Preparation of defected SWCNTs decorated with en-APTAS for application in high-performance nitric oxide gas detection

Checks for tuberculosis an infection: panorama evaluation

Solely tuberculin pores and skin checks (TST) and two interferon-γ launch assays (IGRA) – QuantiFERON-TB Gold In-Tube and T-SPOT.TB – are presently endorsed by the World Well being Group as checks for tuberculosis (TB) an infection. Whereas IGRAs are extra particular than TST, they require subtle laboratory infrastructure and are pricey to carry out. Checks with improved predictive efficiency and operational traits are wanted.We reviewed the present panorama of checks for TB an infection recognized via a web-based survey focusing on diagnostic producers globally.We recognized 20 checks for TB an infection together with 15 in-vitro checks and 5 pores and skin checks.

13 of the in-vitro checks are whole-blood IGRA and 14 makes use of early secreted antigenic goal 6 (ESAT-6) and tradition filtrate protein 10 (CFP-10), with or with out extra antigens. Ten are primarily based on assays apart from an enzyme-linked immunosorbent assay similar to a fluorescent lateral circulate assay, which requires much less guide operation and shorter assay time and therefore is extra appropriate for decentralisation in comparison with the prevailing IGRA.4 of the 5 pores and skin checks use ESAT-6 and CFP-10 proteins whereas the remaining one makes use of a brand new antigen that’s particular to Mycobacterium tuberculosis complicated.

OxiSelect AOPP Assay Kit (200 assays)
STA-318	Cell Biolabs	200 assays	EUR 762
Description: Advanced Oxidation Protein Products (AOPP) are uremic toxins created during oxidative stress through the reaction of plasma proteins with chlorinated oxidants such as chloramines or hypochlorous acid. AOPP levels are elevated in patients with renal complications, diabetes mellitus, and atherosclerosis, as well as HIV-positive patients. Our OxiSelect AOPP Assay Kit provides a convenient method to assess oxidative stress. The kit includes a Chloramine standard and an AOPP Human Serum Albumin conjugate for use as a positive control.

OxiSelect Comet Assay Control Cells
STA-354	Cell Biolabs	1 set	EUR 303.6
Description: OxiSelect Comet Assay Control Cells are a set of two cell lines that serve as a positive control (Etoposide-treated) and a negative control (untreated) respectively.

OxiSelect Protein Radical ELISA Kit
STA-810	Cell Biolabs	96 assays	EUR 706.8
Description: Protein radicals form from electron transfer from various reactive oxygen and reactive nitrogen species. Protein radicals have been linked to various disorders including amyotrophic lateral sclerosis, Huntington's Disease and Alzheimer's disease. The OxiSelect Protein Radical ELISA Kit quantifies free radicals in a standard 96-well plate.

OxiSelect 96-Well Comet Assay Kit
STA-355	Cell Biolabs	96 assays	EUR 512.4
Description: Our OxiSelect 96-Well Comet Assay Kits provide a higher-throughput way to screen for general DNA damage, regardless of the source or nature of the damage. Kits contain Comet Slides, reagents, and a fluorescent dye to visualize cells under an epifluorescence microscope.

OxiSelect 96-Well Comet Assay Kit
STA-355-5	Cell Biolabs	5 x 96 assays	EUR 1959.6
Description: Our OxiSelect 96-Well Comet Assay Kits provide a higher-throughput way to screen for general DNA damage, regardless of the source or nature of the damage. Kits contain Comet Slides, reagents, and a fluorescent dye to visualize cells under an epifluorescence microscope.

OxiSelect BPDE DNA Adduct ELISA Kit
STA-357	Cell Biolabs	96 assays	EUR 908.4
Description: BPDE-DNA standards or unknown DNA samples are adsorbed onto a 96-well DNA high-binding plate. The BPDE-DNA adducts present in the sample or standard are probed with an Anti-BPDE-I Antibody, followed by an HRP Conjugated Secondary Antibody. The BPDE-DNA adduct content in an unknown sample is determined by comparing with a standard curve that is prepared from predetermined BPDE-DNA standards.

OxiSelect Polyamine Oxidase Assay Kit
XPX-5107	Cell Biolabs	100 assays	EUR 540

OxiSelect Comet Assay Slides (3-Well)
STA-352	Cell Biolabs	5 slides	EUR 261.6
Description: The OxiSelect Comet Assay Slides are useful as a screening tool for various types of DNA damage. Slides are specially treated for adhesion of low-melting agarose. Easily visualize results by epifluorescence microscopy.

OxiSelect Comet Assay Slides (3-Well)
STA-353	Cell Biolabs	25 slides	EUR 435.6
Description: The OxiSelect Comet Assay Slides are useful as a screening tool for various types of DNA damage. Slides are specially treated for adhesion of low-melting agarose. Easily visualize results by epifluorescence microscopy.

OxiSelect Comet Assay Slides (3-Well)
STA-353-5	Cell Biolabs	5 x 25 slides	EUR 1521.6
Description: The OxiSelect Comet Assay Slides are useful as a screening tool for various types of DNA damage. Slides are specially treated for adhesion of low-melting agarose. Easily visualize results by epifluorescence microscopy.

OxiSelect 96-Well Comet Assay Slide
STA-356	Cell Biolabs	1 slide	EUR 219.6
Description: The OxiSelect Comet Assay Slides are useful as a screening tool for various types of DNA damage. Slides are specially treated for adhesion of low-melting agarose. Easily visualize results by epifluorescence microscopy.

OxiSelect 96-Well Comet Assay Slide
STA-356-5	Cell Biolabs	5 slides	EUR 622.8
Description: The OxiSelect Comet Assay Slides are useful as a screening tool for various types of DNA damage. Slides are specially treated for adhesion of low-melting agarose. Easily visualize results by epifluorescence microscopy.

OxiSelect BPDE Protein Adduct ELISA Kit
STA-301	Cell Biolabs	96 assays	EUR 943.2
Description: BSA standards or protein samples (10 ?g/mL) are adsorbed onto a 96-well plate for 2 hrs at 37ºC.  The BPDE-protein adducts present in the sample or standard are probed with an Anti-BPDE-I Antibody, followed by an HRP Conjugated Secondary Antibody.  The BPDE protein adduct content in an unknown sample is determined by comparing with a standard curve that is prepared from predetermined BPDE-BSA standards.

OxiSelect Ascorbic Acid Assay Kit (FRASC)
STA-860	Cell Biolabs	200 assays	EUR 672
Description: Ascorbic acid is a vital water-soluble antioxidant found in living organisms. Ascorbic acid is critical for a variety of functions related to tissue growth and wound healing, neurotransmitter formation, blood cholesterol levels, as well as free radical neutralization. The OxiSelect Ascorbic Acid Assay Kit is a quantitative assay for measuring ascorbic acid within various samples. The assay is based on the Ferric Reducing/Antioxidant Ascorbic Acid (FRASC) chemistry driven by the electron donating reducing power of antioxidants. The kit employs ascorbate oxidase, which allows the user to differentiate the ascorbic acid content from other antioxidants present within their sample. Ascorbic acid levels in a sample are determined by measuring the difference in optical density between two sample wells, one with and one without the enzyme.

OxiSelect Protein Carbonyl Immunoblot Kit
STA-308	Cell Biolabs	10 blots	EUR 574.8
Description: The most common products of protein oxidation in biological samples are the carbonyl derivatives of proline, lysine, arginine and threonine residues. Such derivatives are chemically stable and serve as markers for oxidative stress in most types of reactive oxygen species. Our OxiSelect Protein Carbonyl Immunoblot Kit provides a rapid, efficient method for the detection of protein carbonyl residues. The immunoblot format provides a convenient way to compare oxidized and non-oxidized protein fingerprints.

OxiSelect Glutathione Reductase Assay Kit
STA-812	Cell Biolabs	100 assays	EUR 505.2
Description: Cell Biolabs? OxiSelect Glutathione Reductase Assay Kit is a   Glutathione reductase activity is defined as 1 unit of enzyme reducing 1 µmole oxidized glutathione (GSSG) per minute at pH 7.6 and 25ºC.  The kit employs a simple enzymatic recycling reaction for glutathione quantification where the reduction of a chromagen is correlated to glutathione reductase enzymatic activity.  The kit has a detection sensitivity limit of approximately 0.6 mU/mL.  Each kit provides sufficient reagents to perform up to 100 assays, including standard curve and unknown samples.

OxiSelect Comet Assay Kit (3-Well Slides)
STA-350	Cell Biolabs	15 assays	EUR 393.6
Description: Our OxiSelect 3-Well Comet Assay Kits provide a fast, convenient way to screen for general DNA damage, regardless of the source or nature of the damage. Kits include Comet Slides, reagents, and a fluorescent dye to visualize cells under an epifluorescence microscope.

OxiSelect Comet Assay Kit (3-Well Slides)
STA-351	Cell Biolabs	75 assays	EUR 721.2
Description: Our OxiSelect 3-Well Comet Assay Kits provide a fast, convenient way to screen for general DNA damage, regardless of the source or nature of the damage. Kits include Comet Slides, reagents, and a fluorescent dye to visualize cells under an epifluorescence microscope.

OxiSelect Comet Assay Kit (3-Well Slides)
STA-351-5	Cell Biolabs	5 x 75 assays	EUR 2836.8
Description: Our OxiSelect 3-Well Comet Assay Kits provide a fast, convenient way to screen for general DNA damage, regardless of the source or nature of the damage. Kits include Comet Slides, reagents, and a fluorescent dye to visualize cells under an epifluorescence microscope.

OxiSelect Nitrotyrosine ELISA Kit (1 plate)
STA-305	Cell Biolabs	96 assays	EUR 957.6
Description: Nitric oxide influences a variety of biological processes including cell proliferation, apoptosis, neurotoxicity and extracellular matrix remodeling. Nitric oxide reacts with superoxide to form peroxynitrite, which in turn nitrates tyrosine residues in proteins. Nitrotyrosine therefore serves as a marker for peroxynitrite action in a variety of disease states and in conditions of cellular damage and oxidative stress. Our OxiSelect Nitrotyrosine ELISA Kit provides a sensitive method to measure the formation of 3-nitrotyrosine in proteins.

OxiSelect TBARS Assay Kit (MDA Quantitation)
STA-330	Cell Biolabs	200 assays	EUR 790.8
Description: The TBARS (Thiobarbituric Acid Reactive Substances) assay is well-established for screening and monitoring lipid peroxidation. MDA forms a 1:2 adduct with thiobarbituric acid; the MDA-TBA adduct can then be measured. Our OxiSelect TBARS Assay Kit provides a much more user-friendly protocol to measure the MDA-TBA adduct. Reaction volumes are much smaller than the traditional assay, so much less sample is required. Also, reactions can be performed in standard polypropylene tubes - no glass tubes or glass marbles are required. Important Note: MDA adducts are not stable long term. For best results test all samples immediately upon collection, or freeze them at -80ºC for up to one month. MDA may be degraded in samples that have been frozen for longer periods; in such cases more reliable results may be obtained from more stable markers of oxidative stress such as protein carbonyl, 8-OHdG or 4-HNE.

OxiSelect TBARS Assay Kit (MDA Quantitation)
STA-330-5	Cell Biolabs	5 x 200 assays	EUR 3205.2
Description: The TBARS (Thiobarbituric Acid Reactive Substances) assay is well-established for screening and monitoring lipid peroxidation. MDA forms a 1:2 adduct with thiobarbituric acid; the MDA-TBA adduct can then be measured. Our OxiSelect TBARS Assay Kit provides a much more user-friendly protocol to measure the MDA-TBA adduct. Reaction volumes are much smaller than the traditional assay, so much less sample is required. Also, reactions can be performed in standard polypropylene tubes - no glass tubes or glass marbles are required. Important Note: MDA adducts are not stable long term. For best results test all samples immediately upon collection, or freeze them at -80ºC for up to one month. MDA may be degraded in samples that have been frozen for longer periods; in such cases more reliable results may be obtained from more stable markers of oxidative stress such as protein carbonyl, 8-OHdG or 4-HNE.

OxiSelect MDA Adduct Competitive ELISA Kit
STA-832	Cell Biolabs	96 assays	EUR 957.6
Description: MDA, or malondialdehyde, is a widely accepted marker for oxidative stress. Our OxiSelect MDA Competitive ELISA Kit provides a sensitive, specific method for detection of this lipid peroxidation by-product. Important Note: MDA adducts are not stable long term. For best results test all samples immediately upon collection, or freeze them at -80ºC for up to one month. MDA may be degraded in samples that have been frozen for longer periods; in such cases more reliable results may be obtained from more stable markers of oxidative stress such as protein carbonyl, 8-OHdG or 4-HNE.

OxiSelect MDA Adduct Competitive ELISA Kit
STA-832-5	Cell Biolabs	5 x 96 assays	EUR 3888
Description: MDA, or malondialdehyde, is a widely accepted marker for oxidative stress. Our OxiSelect MDA Competitive ELISA Kit provides a sensitive, specific method for detection of this lipid peroxidation by-product. Important Note: MDA adducts are not stable long term. For best results test all samples immediately upon collection, or freeze them at -80ºC for up to one month. MDA may be degraded in samples that have been frozen for longer periods; in such cases more reliable results may be obtained from more stable markers of oxidative stress such as protein carbonyl, 8-OHdG or 4-HNE.

OxiSelect HNE Adduct Competitive ELISA Kit
STA-838	Cell Biolabs	96 assays	EUR 957.6
Description: 4-hydroxynonenal (4-HNE or HNE) is a well known by-product of lipid peroxidation and is widely accepted as a stable marker for oxidative stress. Our OxiSelect HNE Adduct Competitive ELISA Kit measures the formation of HNE adducts to any protein residue using a competitive ELISA format.

OxiSelect HNE Adduct Competitive ELISA Kit
STA-838-5	Cell Biolabs	5 x 96 assays	EUR 3888
Description: 4-hydroxynonenal (4-HNE or HNE) is a well known by-product of lipid peroxidation and is widely accepted as a stable marker for oxidative stress. Our OxiSelect HNE Adduct Competitive ELISA Kit measures the formation of HNE adducts to any protein residue using a competitive ELISA format.

OxiSelect Nitrotyrosine ELISA Kit (5 plates)
STA-305-5	Cell Biolabs	5 x 96 assays	EUR 3888
Description: Nitric oxide influences a variety of biological processes including cell proliferation, apoptosis, neurotoxicity and extracellular matrix remodeling. Nitric oxide reacts with superoxide to form peroxynitrite, which in turn nitrates tyrosine residues in proteins. Nitrotyrosine therefore serves as a marker for peroxynitrite action in a variety of disease states and in conditions of cellular damage and oxidative stress. Our OxiSelect Nitrotyrosine ELISA Kit provides a sensitive method to measure the formation of 3-nitrotyrosine in proteins.

OxiSelect Protein Carbonyl Fluorometric Assay
STA-307	Cell Biolabs	100 assays	EUR 783.6
Description: The most common products of protein oxidation in biological samples are the carbonyl derivatives of proline, lysine, arginine and threonine residues. Such derivatives are chemically stable and serve as markers for oxidative stress in most types of reactive oxygen species. Our OxiSelect Protein Carbonyl Fluorometric Assay Kit provides a rapid, efficient method for the detection of protein carbonyl residues. The fluorescence plate-based format provides a convenient system for direct measurement of protein carbonyl content.

OxiSelect Nitrotyrosine ELISA Kit, Trial Size
STA-305-T	Cell Biolabs	32 assays	EUR 505.2
Description: Nitric oxide influences a variety of biological processes including cell proliferation, apoptosis, neurotoxicity and extracellular matrix remodeling. Nitric oxide reacts with superoxide to form peroxynitrite, which in turn nitrates tyrosine residues in proteins. Nitrotyrosine therefore serves as a marker for peroxynitrite action in a variety of disease states and in conditions of cellular damage and oxidative stress. Our OxiSelect Nitrotyrosine ELISA Kit provides a sensitive method to measure the formation of 3-nitrotyrosine in proteins.

OxiSelect Nitrotyrosine Protein Immunoblot Kit
STA-303	Cell Biolabs	10 blots	EUR 490.8
Description: Nitric oxide influences a variety of biological processes including cell proliferation, apoptosis, neurotoxicity and extracellular matrix remodeling. Nitric oxide reacts with superoxide to form peroxynitrite, which in turn nitrates tyrosine residues in proteins. Nitrotyrosine therefore serves as a marker for peroxynitrite action in a variety of disease states and in conditions of cellular damage and oxidative stress. Our OxiSelect Nitrotyrosine Immunoblot Kit provides a simple method to measure the formation of 3-nitrotyrosine in proteins by Western blot detection.

OxiSelect Protein Carbonyl ELISA Kit (1 plate)
STA-310	Cell Biolabs	96 assays	EUR 957.6
Description: The most common products of protein oxidation in biological samples are the carbonyl derivatives of proline, lysine, arginine and threonine residues. Such derivatives are chemically stable and serve as markers for oxidative stress in most types of reactive oxygen species. Our OxiSelect Protein Carbonyl ELISA Kit provides a rapid, efficient method for the detection of protein carbonyl residues. The ELISA format is perfect for higher throughput and high sensitivity; we have eliminated concentration and precipitation steps allowing greater sample retention.

OxiSelect Free Hydrogen Sulfide Gas Assay Kit
XAN-5084	Cell Biolabs	100 assays	EUR 512.4

OxiSelect Protein Carbonyl ELISA Kit (5 plates)
STA-310-5	Cell Biolabs	5 x 96 assays	EUR 3888
Description: The most common products of protein oxidation in biological samples are the carbonyl derivatives of proline, lysine, arginine and threonine residues. Such derivatives are chemically stable and serve as markers for oxidative stress in most types of reactive oxygen species. Our OxiSelect Protein Carbonyl ELISA Kit provides a rapid, efficient method for the detection of protein carbonyl residues. The ELISA format is perfect for higher throughput and high sensitivity; we have eliminated concentration and precipitation steps allowing greater sample retention.

OxiSelect Total Glutathione (GSSG/GSH) Assay Kit
STA-312	Cell Biolabs	100 assays	EUR 622.8
Description: The OxiSelect Total Glutathione Assay Kit is a quantitative assay for measuring the total glutathione content within a sample (GSH/GSSG).  Glutathione Reductase reduces oxidized glutathione (GSSG) to reduced glutathione (GSH) in the presence of NADPH.  Subsequently, the  chromogen reacts with the thiol group of GSH to produce a colored compound that absorbs at 405 nm.  The total glutathione content in unknown samples is determined by comparison with the predetermined glutathione standard curve.  The rate of chromophore production is proportional to the concentration of glutathione within the sample.  The rate can be determined from the absorbance change over time.  Metaphosphoric acid is provided to remove interfering proteins or enzymes from samples.

OxiSelect Protein Carbonyl ELISA Kit, Trial Size
STA-310-T	Cell Biolabs	32 assays	EUR 505.2
Description: The most common products of protein oxidation in biological samples are the carbonyl derivatives of proline, lysine, arginine and threonine residues. Such derivatives are chemically stable and serve as markers for oxidative stress in most types of reactive oxygen species. Our OxiSelect Protein Carbonyl ELISA Kit provides a rapid, efficient method for the detection of protein carbonyl residues. The ELISA format is perfect for higher throughput and high sensitivity; we have eliminated concentration and precipitation steps allowing greater sample retention.

OxiSelect 8-iso-Prostaglandin F2a ELISA Kit
STA-337	Cell Biolabs	96 assays	EUR 727.2
Description: 8-iso-Prostaglandin F2alpha (8-isoprostane) is a stable by-product of lipid peroxides generated during oxidative stress. Our OxiSelect 8-Isoprostane Assay Kit provides a convenient method for absolute quantitation in just a few hours. The 8-Isoprostane ELISA is suitable for a variety of sample types including urine, plasma, and cell lysates.

OxiSelect 8-iso-Prostaglandin F2a ELISA Kit
STA-337-5	Cell Biolabs	5 x 96 assays	EUR 2913.6
Description: 8-iso-Prostaglandin F2alpha (8-isoprostane) is a stable by-product of lipid peroxides generated during oxidative stress. Our OxiSelect 8-Isoprostane Assay Kit provides a convenient method for absolute quantitation in just a few hours. The 8-Isoprostane ELISA is suitable for a variety of sample types including urine, plasma, and cell lysates.

OxiSelect Methylglyoxal (MG) Competitive ELISA Kit
STA-811	Cell Biolabs	96 assays	EUR 957.6
Description: The OxiSelect Methylglyoxal (MG) ELISA Kit is an enzyme immunoassay developed for rapid detection and quantitation of MG-H1 (methyl-glyoxal-hydro-imidazolone) protein adducts.  The quantity of MG adduct in protein samples is determined by comparing its absorbance with that of a known MG-BSA standard curve.  Each kit provides sufficient reagents to perform up to 96 assays, including standard curve and unknown protein samples.

OxiSelect Methylglyoxal (MG) Competitive ELISA Kit
STA-811-5	Cell Biolabs	5 x 96 assays	EUR 3888
Description: The OxiSelect Methylglyoxal (MG) ELISA Kit is an enzyme immunoassay developed for rapid detection and quantitation of MG-H1 (methyl-glyoxal-hydro-imidazolone) protein adducts.  The quantity of MG adduct in protein samples is determined by comparing its absorbance with that of a known MG-BSA standard curve.  Each kit provides sufficient reagents to perform up to 96 assays, including standard curve and unknown protein samples.

OxiSelect Monoamine Oxidase Assay Kit (Fluorometric)
XPX-5000	Cell Biolabs	96 assays	EUR 540
Description: Our Monoamine Oxidase Assay Kit measures MOA-A and MAO-B in biological samples. MAO reacts with a substrate, generating hydrogen peroxide. A reaction between hydrogen peroxide and the probe results in a signal that is directly proportional to the level of MAO in the sample and is detected fluorescence plate reader. MAO activity in unknown samples is calculated based on a hydrogen peroxide standard curve.

OxiSelect Monoamine Oxidase Assay Kit (Fluorometric)
XPX-5000-5	Cell Biolabs	5 x 96 assays	EUR 2154
Description: Our Monoamine Oxidase Assay Kit measures MOA-A and MAO-B in biological samples. MAO reacts with a substrate, generating hydrogen peroxide. A reaction between hydrogen peroxide and the probe results in a signal that is directly proportional to the level of MAO in the sample and is detected fluorescence plate reader. MAO activity in unknown samples is calculated based on a hydrogen peroxide standard curve.

OxiSelect Monoamine Oxidase Assay Kit (Colorimetric)
XPX-5006	Cell Biolabs	96 assays	EUR 540
Description: Our Monoamine Oxidase Assay Kit measures MOA-A and MAO-B in biological samples. MAO reacts with a substrate, generating hydrogen peroxide. A reaction between hydrogen peroxide and the probe results in a signal that is directly proportional to the level of MAO in the sample and is detected colorimetric plate reader. MAO activity in unknown samples is calculated based on a hydrogen peroxide standard curve.

OxiSelect Monoamine Oxidase Assay Kit (Colorimetric)
XPX-5006-5	Cell Biolabs	5 x 96 assays	EUR 2154
Description: Our Monoamine Oxidase Assay Kit measures MOA-A and MAO-B in biological samples. MAO reacts with a substrate, generating hydrogen peroxide. A reaction between hydrogen peroxide and the probe results in a signal that is directly proportional to the level of MAO in the sample and is detected colorimetric plate reader. MAO activity in unknown samples is calculated based on a hydrogen peroxide standard curve.

OxiSelect Superoxide Dismutase Activity Assay Kit
STA-340	Cell Biolabs	100 assays	EUR 762
Description: Superoxide dismutase (SOD), which catalyzes the dismutation of the superoxide anion into hydrogen peroxide and molecular oxygen, is one of the most important antioxidant enzymes. SOD enzymes are classified into three groups: cytosolic CuZn-SOD, mitochondrial Mn-SOD, and extracellular Ec-SOD. Our OxiSelect Superoxide Dismutase Activity Assay uses a xanthine/xanthine oxidase (XOD) system to generate superoxide anions and a chromagen to produce a water-soluble formazan dye upon reduction by superoxide anions. The superoxide dismutase activity is determined as the inhibition or reduction of chromagen.

OxiSelect Catalase Activity Assay Kit, Fluorometric
STA-339	Cell Biolabs	500 assays	EUR 908.4
Description: Catalase is a ubiquitous enzyme that destroys hydrogen peroxides formed during oxidative stress. Our OxiSelect Catalase Activity Assay Kit measures catalase activity in less than one hour from a variety of samples including blood, cells and tissues. Each kit provides sufficient reagents to perform up to 500 assays in a 96-well microtiter plate. This includes blanks, catalase standards and unknown samples. The OxiSelect Catalase Activity Assay Kit (Fluorometric) provides a 40-fold increase in sensitivity compared to our colorimetric assay.

OxiSelect Catalase Activity Assay Kit (Colorimetric)
STA-341	Cell Biolabs	96 assays	EUR 811.2
Description: Catalase is a ubiquitous enzyme that destroys hydrogen peroxides formed during oxidative stress. Our OxiSelect Catalase Activity Assay Kits measure catalase activity in less than one hour from a variety of samples including blood, cells and tissues. Each kit provides sufficient reagents to perform up to 100 assays in a 96-well microtiter plate, or 50 assays in microcentrifuge tubes. This includes blanks, catalase standards and unknown samples. Direct spectrophotometric detection of catalase activity with ultraviolet light can cause interference from proteins and other biological components. The OxiSelect Catalase Activity Assay Kit (Colorimetric) utilizes visible light (520 nm), which reduces sample interference. The OxiSelect Catalase Activity Assay Kit (Fluorometric) provides a 40-fold increase in sensitivity compared to our colorimetric assay.

OxiSelect Protein Carbamylation Sandwich ELISA Kit
STA-877	Cell Biolabs	96 assays	EUR 936
Description: The OxiSelect Protein Carbamylation Sandwich ELISA Kit is an enzyme immunoassay developed for rapid detection and quantitation of protein carbamylation. The quantity of carbamylated adduct in protein samples is determined by comparing its absorbance with that of a known CBL-BSA standard curve. The kit has a detection sensitivity limit of 1.5 ng/mL of CBL-BSA.

OxiSelect Total Antioxidant Capacity (TAC) Assay Kit
STA-360	Cell Biolabs	200 assays	EUR 622.8
Description: The OxiSelect Total Antioxidant Capacity (TAC) Assay measures the total antioxidant capacity of biomolecules from a variety of samples via a SET mechanism. In the presence of antioxidants, copper(II) is reduced to copper(I). In turn, the copper(I) ions react with a chromogen to produce a color with maximum absorbance at 490nm.

OxiSelect Protein Carbonyl Immunoblot Kit, Trial Size
STA-308-T	Cell Biolabs	4 blots	EUR 316.8
Description: The most common products of protein oxidation in biological samples are the carbonyl derivatives of proline, lysine, arginine and threonine residues. Such derivatives are chemically stable and serve as markers for oxidative stress in most types of reactive oxygen species. Our OxiSelect Protein Carbonyl Immunoblot Kit provides a rapid, efficient method for the detection of protein carbonyl residues. The immunoblot format provides a convenient way to compare oxidized and non-oxidized protein fingerprints.

OxiSelect DNA Double-Strand Break (DSB) Staining Kit
STA-321	Cell Biolabs	100 assays	EUR 790.8
Description: Double-strand breaks (DSB) in DNA are among the most dangerous types of DNA damage occuring within cells. One of the earliest cellular responses to double-strand breaks is the phosphorylation of a histone variant, H2AX, at the sites of DNA damage. Within seconds Ser139 is phosphorylated when DSBs are induced in mammalian cells. Phosphorylation of this serine residue causes chromatin condensation and appears to play a critical role in the recruitment of repair or damage-signaling factors to the DNA damage sites. The OxiSelect DNA Double-Strand Break Staining Kit provides an easy-to-use method for detecting the presence of DSBs in cells cultured in microtiter plates. Double strand breaks can be detected in just a few hours by immunofluorescence staining of the phosphorylated histone H2AX.

OxiSelect TBARS Assay Kit (MDA Quantitation), Trial Size
STA-330-T	Cell Biolabs	20 assays	EUR 408
Description: The TBARS (Thiobarbituric Acid Reactive Substances) assay is well-established for screening and monitoring lipid peroxidation. MDA forms a 1:2 adduct with thiobarbituric acid; the MDA-TBA adduct can then be measured. Our OxiSelect TBARS Assay Kit provides a much more user-friendly protocol to measure the MDA-TBA adduct. Reaction volumes are much smaller than the traditional assay, so much less sample is required. Also, reactions can be performed in standard polypropylene tubes - no glass tubes or glass marbles are required. Important Note: MDA adducts are not stable long term. For best results test all samples immediately upon collection, or freeze them at -80ºC for up to one month. MDA may be degraded in samples that have been frozen for longer periods; in such cases more reliable results may be obtained from more stable markers of oxidative stress such as protein carbonyl, 8-OHdG or 4-HNE.

OxiSelect MDA Adduct Competitive ELISA Kit, Trial Size
STA-832-T	Cell Biolabs	32 assays	EUR 505.2
Description: MDA, or malondialdehyde, is a widely accepted marker for oxidative stress. Our OxiSelect MDA Competitive ELISA Kit provides a sensitive, specific method for detection of this lipid peroxidation by-product. Important Note: MDA adducts are not stable long term. For best results test all samples immediately upon collection, or freeze them at -80ºC for up to one month. MDA may be degraded in samples that have been frozen for longer periods; in such cases more reliable results may be obtained from more stable markers of oxidative stress such as protein carbonyl, 8-OHdG or 4-HNE.

OxiSelect HNE Adduct Competitive ELISA Kit, Trial Size
STA-838-T	Cell Biolabs	32 assays	EUR 505.2
Description: 4-hydroxynonenal (4-HNE or HNE) is a well known by-product of lipid peroxidation and is widely accepted as a stable marker for oxidative stress. Our OxiSelect HNE Adduct Competitive ELISA Kit measures the formation of HNE adducts to any protein residue using a competitive ELISA format.

OxiSelect s-Glutathione Adduct Competitive ELISA Kit
STA-814	Cell Biolabs	96 assays	EUR 748.8
Description: Glutathione helps protect cells from free radical damage as an antioxidant, but it can also covalently attach to proteins through its sulfhydryl moiety upon derivatization by reactive oxygen species (ROS). Glutathione protein adducts can therefore serve as a marker of oxidative stress. OxiSelect s-Glutathione Adduct Competitive ELISA Kit quantifies the glutathionylation of proteins in a standard 96-well plate.

OxiSelect Oxidative DNA Damage Quantitation Kit (AP sites)
STA-324	Cell Biolabs	50 assays	EUR 936
Description: DNA damage can manifest in the formation of apurinic or apyrimidinic (AP or abasic) sites. Such spontaneous base loss in mammalian cells has been estimated at between 50,000 and 200,000 sites per day. Unrepaired abasic sites can inhibit transcription and may be mutagenic. Our OxiSelect Oxidative DNA Damage Quantitation Kit provides a simple, user-friendly method for the quantitaiton DNA damage in the form of abasic sites. The assay uses an Aldehyde Reactive Probe (ARP) to specifically react with an aldehyde group on the open ring of the AP site. This allows the AP site to be labeled with Biotin, followed by detection with Streptavidin-Enzyme conjugate.

OxiSelect In Vitro ROS/RNS Assay Kit (Green Fluorescence)
STA-347	Cell Biolabs	96 assays	EUR 734.4
Description: The OxiSelect In Vitro ROS/RNS Assay provides a sensitive method to detect total reactive oxygen species (ROS) plus reactive nitrogen species (RNS) in a wide variety of sample types. This assay employs a proprietary fluorogenic probe, DCFH-DiOxyQ; the probe is primed with a dequenching reagent to the highly reactive DCFH form. In the presence of ROS and RNS, the DCFH is rapidly oxidized to the highly fluorescent DCF.

OxiSelect In Vitro ROS/RNS Assay Kit (Green Fluorescence)
STA-347-5	Cell Biolabs	5 x 96 assays	EUR 2913.6
Description: The OxiSelect In Vitro ROS/RNS Assay provides a sensitive method to detect total reactive oxygen species (ROS) plus reactive nitrogen species (RNS) in a wide variety of sample types. This assay employs a proprietary fluorogenic probe, DCFH-DiOxyQ; the probe is primed with a dequenching reagent to the highly reactive DCFH form. In the presence of ROS and RNS, the DCFH is rapidly oxidized to the highly fluorescent DCF.

OxiSelect Protein Carbonyl Fluorometric Assay, Trial Size
STA-307-T	Cell Biolabs	20 assays	EUR 421.2
Description: The most common products of protein oxidation in biological samples are the carbonyl derivatives of proline, lysine, arginine and threonine residues. Such derivatives are chemically stable and serve as markers for oxidative stress in most types of reactive oxygen species. Our OxiSelect Protein Carbonyl Fluorometric Assay Kit provides a rapid, efficient method for the detection of protein carbonyl residues. The fluorescence plate-based format provides a convenient system for direct measurement of protein carbonyl content.

OxiSelect Superoxide Dismutase Activity Assay, Trial Size
STA-340-T	Cell Biolabs	20 assays	EUR 414
Description: Superoxide dismutase (SOD), which catalyzes the dismutation of the superoxide anion into hydrogen peroxide and molecular oxygen, is one of the most important antioxidant enzymes. SOD enzymes are classified into three groups: cytosolic CuZn-SOD, mitochondrial Mn-SOD, and extracellular Ec-SOD. Our OxiSelect Superoxide Dismutase Activity Assay uses a xanthine/xanthine oxidase (XOD) system to generate superoxide anions and a chromagen to produce a water-soluble formazan dye upon reduction by superoxide anions. The superoxide dismutase activity is determined as the inhibition or reduction of chromagen.

OxiSelect Intracellular ROS Assay Kit (Green Fluorescence)
STA-342	Cell Biolabs	96 assays	EUR 762
Description: The OxiSelect ROS Assay Kit is a cell-based assay for measuring hydroxyl, peroxyl, and other reactive oxygen species activity within a cell. The assay employs the cell-permeable fluorogenic probe DCFH-DA, which diffuses into cells and is deacetylcated by cellular esterases into the non-fluorescent DCFH (Figure 1). In the presence of ROS, DCFH is rapidly oxidized to highly fluorescent DCF. Fluorescence is read on a standard fluorometric plate reader.

OxiSelect Intracellular ROS Assay Kit (Green Fluorescence)
STA-342-5	Cell Biolabs	5 x 96 assays	EUR 3058.8
Description: The OxiSelect ROS Assay Kit is a cell-based assay for measuring hydroxyl, peroxyl, and other reactive oxygen species activity within a cell. The assay employs the cell-permeable fluorogenic probe DCFH-DA, which diffuses into cells and is deacetylcated by cellular esterases into the non-fluorescent DCFH (Figure 1). In the presence of ROS, DCFH is rapidly oxidized to highly fluorescent DCF. Fluorescence is read on a standard fluorometric plate reader.

OxiSelect Cellular UV-Induced DNA Damage ELISA Kit (CPD)
STA-326	Cell Biolabs	96 assays	EUR 790.8
Description: Our OxiSelect Cellular UV-Induced DNA Damage ELISA Kit mesaures the formation of cyclobutane pyrimidine dimers (CPD) in intact cells. Cells are first seeded in a 96-well tissue culture plate. Wells are then UV irradiated to induce DNA damage. After fixation and denaturation, cells containing the DNA lesions are probed with an anti-CPD antibody, followed by an HRP conjugated secondary antibody.

OxiSelect Cellular UV-Induced DNA Damage ELISA Kit (CPD)
STA-326-5	Cell Biolabs	5 x 96 assays	EUR 3205.2
Description: Our OxiSelect Cellular UV-Induced DNA Damage ELISA Kit mesaures the formation of cyclobutane pyrimidine dimers (CPD) in intact cells. Cells are first seeded in a 96-well tissue culture plate. Wells are then UV irradiated to induce DNA damage. After fixation and denaturation, cells containing the DNA lesions are probed with an anti-CPD antibody, followed by an HRP conjugated secondary antibody.

OxiSelect Total Glutathione (GSSG/GSH) Assay Kit, Trial Size
STA-312-T	Cell Biolabs	20 assays	EUR 338.4
Description: The OxiSelect Total Glutathione Assay Kit is a quantitative assay for measuring the total glutathione content within a sample (GSH/GSSG).  Glutathione Reductase reduces oxidized glutathione (GSSG) to reduced glutathione (GSH) in the presence of NADPH.  Subsequently, the  chromogen reacts with the thiol group of GSH to produce a colored compound that absorbs at 405 nm.  The total glutathione content in unknown samples is determined by comparison with the predetermined glutathione standard curve.  The rate of chromophore production is proportional to the concentration of glutathione within the sample.  The rate can be determined from the absorbance change over time.  Metaphosphoric acid is provided to remove interfering proteins or enzymes from samples.

OxiSelect N?-(carboxyethyl) lysine (CEL) Competitive ELISA Kit
STA-813	Cell Biolabs	96 assays	EUR 957.6
Description: First, a CEL conjugate is coated on the ELISA plate.  The unknown CEL protein samples or CEL-BSA standards are then added to the CEL conjugate preabsorbed plate.  After a brief incubation, the anti-CEL monoclonal antibody is added, followed by an HRP conjugated secondary antibody.  The content of CEL protein adducts in unknown samples is determined by comparison with the predetermined CEL-BSA standard curve.  Despite the structure similarity between CEL and CML, the anti-CEL specific antibody in the OxiSelect CEL ELISA Kit will not cross react with CML protein adducts.

OxiSelect Ferric Reducing Antioxidant Power (FRAP) Assay Kit
STA-859	Cell Biolabs	200 assays	EUR 609.6
Description: OxiSelect Ferric Reducing Antioxidant Power (FRAP) Assay Kit is a quantitative assay for measuring the antioxidant potential within various samples. Following the reduction of ferric iron (Fe3+) to ferrous iron (Fe2+) by antioxidants present in the sample, the kit colorimetric probe develops a blue color that is read colorimetrically at 540-600nm. The antioxidant potential of samples is determined based on an iron standard curve and results are calculated at Fe2+ equivalents (µM) or FRAP value.

OxiSelect 8-iso-Prostaglandin F2a ELISA Kit, Trial Size
STA-337-T	Cell Biolabs	32 assays	EUR 393.6
Description: 8-iso-Prostaglandin F2alpha (8-isoprostane) is a stable by-product of lipid peroxides generated during oxidative stress. Our OxiSelect 8-Isoprostane Assay Kit provides a convenient method for absolute quantitation in just a few hours. The 8-Isoprostane ELISA is suitable for a variety of sample types including urine, plasma, and cell lysates.

OxiSelect Cellular Antioxidant Assay Kit (Green Fluorescence)
STA-349	Cell Biolabs	192 assays	EUR 644.4
Description: The OxiSelect Cellular Antioxidant Assay Kit is a cell-based assay for measuring the activity of an exogenous antioxidant compound within adherent cells.  Cells are first cultured in a 96-well black fluorescence cell culture plate until confluent. Then the cells are pre-incubated with a cell-permeable DCFH-DA fluorescence probe dye and the bioflavonoid Quercetin, or the antioxidant sample being tested.  After a brief incubation, the cells are washed, and the reaction started by adding the Free Radical Initiator.  The Free Radical Initiator creates free radicals that convert the probe to highly fluorescent DCF.  The Quercetin inhibits the formation of free radicals, and thus DCF formation, in a concentration dependent manner.

OxiSelect N?-(carboxymethyl) lysine (CML) Competitive ELISA Kit
STA-816	Cell Biolabs	96 assays	EUR 957.6
Description: Advanced glycation end products (AGE) are formed during the Maillard reaction where reducing carbohydrates react with lysine side chains and N-terminal amino groups of various macromolecules, particularly proteins. The advanced glycation end products can adversely affect the fuction of these macromolecules. One of the most prevalent AGE products, N-epsilon-(Carboxymethyl) Lysine, has been implicated in oxidative stress and vascular damage. The OxiSelect N-epsilon-(Carboxymethyl) Lysine Competitive ELISA kit specifically detects CML formation with a high level of sensitivity. This is a Competitive ELISA Kit in which the plate is coated with a CML conjugate.  Standards and unknown samples are added to the plate, followed by incubation with the primary antibody. The CML in the unknown samples and the CML attached to the plate compete for the primary antibody. Higher CML content in unknown samples results in more binding of the antibody to the sample, and thus less antibody binds to the plate. Since the antibody bound to the sample is washed away, higher CML content in samples correlates with a lower signal.

OxiSelect N?-(carboxymethyl) lysine (CML) Competitive ELISA Kit
STA-816-5	Cell Biolabs	5 x 96 assays	EUR 3888
Description: Advanced glycation end products (AGE) are formed during the Maillard reaction where reducing carbohydrates react with lysine side chains and N-terminal amino groups of various macromolecules, particularly proteins. The advanced glycation end products can adversely affect the fuction of these macromolecules. One of the most prevalent AGE products, N-epsilon-(Carboxymethyl) Lysine, has been implicated in oxidative stress and vascular damage. The OxiSelect N-epsilon-(Carboxymethyl) Lysine Competitive ELISA kit specifically detects CML formation with a high level of sensitivity. This is a Competitive ELISA Kit in which the plate is coated with a CML conjugate.  Standards and unknown samples are added to the plate, followed by incubation with the primary antibody. The CML in the unknown samples and the CML attached to the plate compete for the primary antibody. Higher CML content in unknown samples results in more binding of the antibody to the sample, and thus less antibody binds to the plate. Since the antibody bound to the sample is washed away, higher CML content in samples correlates with a lower signal.

OxiSelect Cellular UV-Induced DNA Damage Staining Kit (CPD)
STA-327	Cell Biolabs	96 assays	EUR 790.8
Description: Our OxiSelect Cellular UV-Induced DNA Damage Staining Kit measures the formation of cyclobutane pyrimidine dimers (CPD) by immunofluorescence. Cells are first seeded in a 96-well tissue culture plate. Wells are then UV irradiated to induce DNA damage. After fixation and denaturation, cells containing the DNA lesions are probed with an anti-CPD antibody, followed by a FITC conjugated secondary antibody. The unbound secondary antibody is removed during a wash step, and stained cells can then be visualized with a fluorescence microscope.

OxiSelect Hydrogen Peroxide / Peroxidase Assay Kit (Fluorometric)
STA-344	Cell Biolabs	500 assays	EUR 679.2
Description: The OxiSelect Hydrogen Peroxide/Peroxidase Assay Kit is a sensitive quantitative fluorometric assay for hydrogen peroxide or peroxidase.   In the presence of HRP, ADHP reacts with H2O2 in a 1:1 stoichiometry to produce highly fluorescent Resorufin.  The Resorufin product can be easily read by a fluorescence microplate reader with an excitation of 530-560 nm and an emission of 590 nm, or for absorbance at 560 nm.  Fluorescence values are proportional to the H2O2 or peroxidase levels within the samples.  The H2O2 or peroxidase content in unknown samples is determined by comparison with its respective standard curve.

OxiSelect Hydrogen Peroxide/Peroxidase Assay Kit (Colorimetric)
STA-844	Cell Biolabs	500 assays	EUR 637.2
Description: The OxiSelect Hydrogen Peroxide/Peroxidase Assay Kit is a sensitive colorimetric assay for hydrogen peroxide or peroxidase. The H2O2 or peroxidase content in unknowns is compared with a standard curve. 500 assays/kit.

OxiSelect Cellular UV-Induced DNA Damage ELISA Kit (6-4PP)
STA-328	Cell Biolabs	96 assays	EUR 790.8
Description: Our OxiSelect Cellular UV-Induced DNA Damage ELISA Kit measures the formation of 6-4PP in intact cells in a 96-well ELISA plate-based format. Cells are first seeded in a 96-well tissue culture plate. Wells are then UV irradiated to induce DNA damage. After fixation and denaturation, cells containing the DNA lesions are probed with an anti-6-4PP antibody, followed by an HRP conjugated secondary antibody.

OxiSelect Human Oxidized LDL ELISA Kit (MDA-LDL Quantitation)
STA-369	Cell Biolabs	96 assays	EUR 936
Description: LDL, so-called "bad cholesterol", is even more dangerous when it becomes oxidized. Oxidized LDL (OxLDL) is more reactive with surrounding tissues and can collect within the inner-lining of arteries. Macrophages, cholesterol, and other lipids can accumulate at the site (atherosclerosis), ultimately forming a plaque that can lead to heart attack, stroke or death. Oxidation of LDL affects both the lipid and protein components of LDL.  The OxiSelect Human Oxidized LDL ELISA Kits are enzyme immunoassays developed for the detection and quantitation of human oxLDL in plasma, serum or other biological fluid samples. The kits contain a copper oxidized LDL standard against which unknown samples may be compared. This oxidized LDL assay kit is configured to selectively measure oxLDL in MDA-LDL.

OxiSelect Human Oxidized LDL ELISA Kit (CML-LDL Quantitation)
STA-388	Cell Biolabs	96 assays	EUR 936
Description: LDL, so-called "bad cholesterol", is even more dangerous when it becomes oxidized. Oxidized LDL (OxLDL) is more reactive with surrounding tissues and can collect within the inner-lining of arteries. Macrophages, cholesterol, and other lipids can accumulate at the site (atherosclerosis), ultimately forming a plaque that can lead to heart attack, stroke or death. Oxidation of LDL affects both the lipid and protein components of LDL.  The OxiSelect Human Oxidized LDL ELISA Kits are enzyme immunoassays developed for the detection and quantitation of human oxLDL in plasma, serum or other biological fluid samples. The kits contain a copper oxidized LDL standard against which unknown samples may be compared. This oxidized LDL assay kit is configured to selectively measure oxLDL in CML-LDL.

OxiSelect Human Oxidized LDL ELISA Kit (HNE-LDL Quantitation)
STA-389	Cell Biolabs	96 assays	EUR 936
Description: LDL, so-called "bad cholesterol", is even more dangerous when it becomes oxidized. Oxidized LDL (OxLDL) is more reactive with surrounding tissues and can collect within the inner-lining of arteries. Macrophages, cholesterol, and other lipids can accumulate at the site (atherosclerosis), ultimately forming a plaque that can lead to heart attack, stroke or death. Oxidation of LDL affects both the lipid and protein components of LDL.  The OxiSelect Human Oxidized LDL ELISA Kits are enzyme immunoassays developed for the detection and quantitation of human oxLDL in plasma, serum or other biological fluid samples. The kits contain a copper oxidized LDL standard against which unknown samples may be compared. This oxidized LDL assay kit is configured to selectively measure oxLDL in HNE-LDL.

OxiSelect Human Oxidized HDL ELISA Kit (MDA-HDL Quantitation)
STA-869	Cell Biolabs	96 assays	EUR 936
Description: The OxiSelect Human Oxidized HDL ELISA Kits are enzyme immunoassays developed for the detection and quantitation of human oxHDL in plasma, serum or other biological fluid samples. This oxidized HDL assay kit is configured to selectively measure MDA-modified HDL. The kit contains an MDA-HDL standard against which unknown samples may be compared. Note: For samples stored for more than one month, better results may be obtained with measurement of CML or HNE modifications, both of which are more stable than MDA.

OxiSelect Human Oxidized HDL ELISA Kit (CML-HDL Quantitation)
STA-888	Cell Biolabs	96 assays	EUR 936
Description: The OxiSelect Human Oxidized HDL ELISA Kits are enzyme immunoassays developed for the detection and quantitation of human oxHDL in plasma, serum or other biological fluid samples. This oxidized HDL assay kit is configured to selectively measure CML-modified HDL. The kit contains an CML-HDL standard against which unknown samples may be compared.

OxiSelect Human Oxidized HDL ELISA Kit (HNE-HDL Quantitation)
STA-889	Cell Biolabs	96 assays	EUR 936
Description: The OxiSelect Human Oxidized HDL ELISA Kits are enzyme immunoassays developed for the detection and quantitation of human oxHDL in plasma, serum or other biological fluid samples. This oxidized HDL assay kit is configured to selectively measure HNE-modified HDL. The kit contains an HNE-HDL standard against which unknown samples may be compared.

OxiSelect UV-Induced DNA Damage ELISA Kit (CPD Quantitation)
STA-322	Cell Biolabs	96 assays	EUR 790.8
Description: Our OxiSelect UV-Induced DNA Damage ELISA Kit measures the formation of cyclobutane pyrimidine dimers (CPD) in DNA isolated from cells or tissues. Standards or unknown DNA samples are first heat denatured before adsorbed onto a 96-well DNA binding plate.  The sample or standard are then probed with an anti-CPD antibody, followed by an HRP conjugated secondary antibody.

OxiSelect UV-Induced DNA Damage ELISA Kit (CPD Quantitation)
STA-322-5	Cell Biolabs	5 x 96 assays	EUR 3205.2
Description: Our OxiSelect UV-Induced DNA Damage ELISA Kit measures the formation of cyclobutane pyrimidine dimers (CPD) in DNA isolated from cells or tissues. Standards or unknown DNA samples are first heat denatured before adsorbed onto a 96-well DNA binding plate.  The sample or standard are then probed with an anti-CPD antibody, followed by an HRP conjugated secondary antibody.

OxiSelect Intracellular Nitric Oxide (NO) Assay Kit (Fluorometric)
STA-800	Cell Biolabs	96 assays	EUR 588
Description: The OxiSelect Intracellular Nitric Oxide Assay Kit is a cell-based assay for rapid detection of intracellular NO or NOS activity in cultured cells.  In brief, the cell-permeant NO probe passively diffuses into cells and is deacetylated by cellular esterases to a non-fluorescent intermediate.  When intracellular nitric oxide encounters this intermediate, it rapidly oxidizes to a highly fluorescent, triazolo-fluorescein analog.  The fluorescence intensity is proportional to the NO levels within the cell cytosol (detection limit of ~3 nM).  The kit?s provided Nitric Oxide Fluorometric Probe is NO specific, has excellent photostablity and pH stability, and is detected with standard fluorescein filters.  The probe is suitable for flow cytometry, fluorescent microscopy, and fluorescent microplate detection.  Each kit provides sufficient reagents to perform up to 96 assays, including blanks, standards, and unknown samples.

OxiSelect Intracellular Nitric Oxide (NO) Assay Kit (Fluorometric)
STA-800-5	Cell Biolabs	5 x 96 assays	EUR 2307.6
Description: The OxiSelect Intracellular Nitric Oxide Assay Kit is a cell-based assay for rapid detection of intracellular NO or NOS activity in cultured cells.  In brief, the cell-permeant NO probe passively diffuses into cells and is deacetylated by cellular esterases to a non-fluorescent intermediate.  When intracellular nitric oxide encounters this intermediate, it rapidly oxidizes to a highly fluorescent, triazolo-fluorescein analog.  The fluorescence intensity is proportional to the NO levels within the cell cytosol (detection limit of ~3 nM).  The kit?s provided Nitric Oxide Fluorometric Probe is NO specific, has excellent photostablity and pH stability, and is detected with standard fluorescein filters.  The probe is suitable for flow cytometry, fluorescent microscopy, and fluorescent microplate detection.  Each kit provides sufficient reagents to perform up to 96 assays, including blanks, standards, and unknown samples.

OxiSelect N-epsilon-(Carboxymethyl) Lysine (CML) Immunoblot Kit
STA-313	Cell Biolabs	10 blots	EUR 637.2
Description: Advanced glycation end products (AGE) are formed during the Maillard reaction where reducing carbohydrates react with lysine side chains and N-terminal amino groups of various macromolecules, particularly proteins. The advanced glycation end products can adversely affect the fuction of these macromolecules. One of the most prevalent AGE products, N-epsilon-(Carboxymethyl) Lysine, has been implicated in oxidative stress and vascular damage. The OxiSelect N-epsilon-(Carboxymethyl) Lysine Immunoblot kit specifically detects CML formation in protein samples.

OxiSelect Catalase Activity Assay Kit, Fluorometric, Trial Size
STA-339-T	Cell Biolabs	50 assays	EUR 477.6
Description: Catalase is a ubiquitous enzyme that destroys hydrogen peroxides formed during oxidative stress. Our OxiSelect Catalase Activity Assay Kit measures catalase activity in less than one hour from a variety of samples including blood, cells and tissues. Each kit provides sufficient reagents to perform up to 500 assays in a 96-well microtiter plate. This includes blanks, catalase standards and unknown samples. The OxiSelect Catalase Activity Assay Kit (Fluorometric) provides a 40-fold increase in sensitivity compared to our colorimetric assay.

OxiSelect Catalase Activity Assay Kit (Colorimetric), Trial Size
STA-341-T	Cell Biolabs	20 assays	EUR 435.6
Description: Catalase is a ubiquitous enzyme that destroys hydrogen peroxides formed during oxidative stress. Our OxiSelect Catalase Activity Assay Kits measure catalase activity in less than one hour from a variety of samples including blood, cells and tissues. Each kit provides sufficient reagents to perform up to 100 assays in a 96-well microtiter plate, or 50 assays in microcentrifuge tubes. This includes blanks, catalase standards and unknown samples. Direct spectrophotometric detection of catalase activity with ultraviolet light can cause interference from proteins and other biological components. The OxiSelect Catalase Activity Assay Kit (Colorimetric) utilizes visible light (520 nm), which reduces sample interference. The OxiSelect Catalase Activity Assay Kit (Fluorometric) provides a 40-fold increase in sensitivity compared to our colorimetric assay.

OxiSelect Human Oxidized LDL ELISA Kit (OxPL-LDL Quantitation)
STA-358	Cell Biolabs	96 assays	EUR 936
Description: LDL, so-called "bad cholesterol", is even more dangerous when it becomes oxidized. Oxidized LDL (OxLDL) is more reactive with surrounding tissues and can collect within the inner-lining of arteries. Macrophages, cholesterol, and other lipids can accumulate at the site (atherosclerosis), ultimately forming a plaque that can lead to heart attack, stroke or death. Oxidation of LDL affects both the lipid and protein components of LDL.  The OxiSelect Human Oxidized LDL ELISA Kits are enzyme immunoassays developed for the detection and quantitation of human oxLDL in plasma, serum or other biological fluid samples. The kits contain a copper oxidized LDL standard against which unknown samples may be compared. This oxidized LDL assay kit is configured to selectively measure OxLDL in the phospholipid component (OxPL).

OxiSelect DNA Double Strand Break (DSB) Staining Kit, Trial Size
STA-321-T	Cell Biolabs	20 assays	EUR 421.2
Description: Double-strand breaks (DSB) in DNA are among the most dangerous types of DNA damage occuring within cells. One of the earliest cellular responses to double-strand breaks is the phosphorylation of a histone variant, H2AX, at the sites of DNA damage. Within seconds Ser139 is phosphorylated when DSBs are induced in mammalian cells. Phosphorylation of this serine residue causes chromatin condensation and appears to play a critical role in the recruitment of repair or damage-signaling factors to the DNA damage sites. The OxiSelect DNA Double-Strand Break Staining Kit provides an easy-to-use method for detecting the presence of DSBs in cells cultured in microtiter plates. Double strand breaks can be detected in just a few hours by immunofluorescence staining of the phosphorylated histone H2AX.

OxiSelect Total Antioxidant Capacity (TAC) Assay Kit, Trial Size
STA-360-T	Cell Biolabs	20 assays	EUR 338.4
Description: The OxiSelect Total Antioxidant Capacity (TAC) Assay measures the total antioxidant capacity of biomolecules from a variety of samples via a SET mechanism. In the presence of antioxidants, copper(II) is reduced to copper(I). In turn, the copper(I) ions react with a chromogen to produce a color with maximum absorbance at 490nm.

OxiSelect Cellular UV-Induced DNA Damage Staining Kit (6-4PP)
STA-329	Cell Biolabs	96 assays	EUR 790.8
Description: Our OxiSelect Cellular UV-Induced DNA Damage Staining Kit measures the formation of 6-4PP structures in DNA by immunofluorescence. Cells are first seeded in a 96-well tissue culture plate. Wells are then UV irradiated to induce DNA damage. After fixation and denaturation, cells containing the DNA lesions are probed with an anti-6-4PP antibody, followed by a FITC conjugated secondary antibody. The unbound secondary antibody is removed during a wash step, and stained cells can then be visualized with a fluorescence microscope.

OxiSelect UV-Induced DNA Damage ELISA Kit (6-4PP Quantitation)
STA-323	Cell Biolabs	96 assays	EUR 790.8
Description: Our OxiSelect UV-Induced DNA Damage ELISA Kit measures 6-4PP formation in DNA isolated from cells or tissue. Standards or unknown DNA samples are first heat denatured before adsorbed onto a 96-well DNA binding plate.  The sample or standard is then probed with an anti-6-4PP antibody, followed by an HRP conjugated secondary antibody.

OxiSelect UV-Induced DNA Damage ELISA Kit (6-4PP Quantitation)
STA-323-5	Cell Biolabs	5 x 96 assays	EUR 3205.2
Description: Our OxiSelect UV-Induced DNA Damage ELISA Kit measures 6-4PP formation in DNA isolated from cells or tissue. Standards or unknown DNA samples are first heat denatured before adsorbed onto a 96-well DNA binding plate.  The sample or standard is then probed with an anti-6-4PP antibody, followed by an HRP conjugated secondary antibody.

OxiSelect In Vitro ROS/RNS Assay Kit (Green Fluorescence), Trial Size
STA-347-T	Cell Biolabs	20 assays	EUR 400.8
Description: The OxiSelect In Vitro ROS/RNS Assay provides a sensitive method to detect total reactive oxygen species (ROS) plus reactive nitrogen species (RNS) in a wide variety of sample types. This assay employs a proprietary fluorogenic probe, DCFH-DiOxyQ; the probe is primed with a dequenching reagent to the highly reactive DCFH form. In the presence of ROS and RNS, the DCFH is rapidly oxidized to the highly fluorescent DCF.

OxiSelect Oxidative DNA Damage Quantitation Kit (AP Sites), Trial Size
STA-324-T	Cell Biolabs	10 assays	EUR 498
Description: DNA damage can manifest in the formation of apurinic or apyrimidinic (AP or abasic) sites. Such spontaneous base loss in mammalian cells has been estimated at between 50,000 and 200,000 sites per day. Unrepaired abasic sites can inhibit transcription and may be mutagenic. Our OxiSelect Oxidative DNA Damage Quantitation Kit provides a simple, user-friendly method for the quantitaiton DNA damage in the form of abasic sites. The assay uses an Aldehyde Reactive Probe (ARP) to specifically react with an aldehyde group on the open ring of the AP site. This allows the AP site to be labeled with Biotin, followed by detection with Streptavidin-Enzyme conjugate.

OxiSelect Intracellular ROS Assay Kit (Green Fluorescence), Trial Size
STA-342-T	Cell Biolabs	20 assays	EUR 414
Description: The OxiSelect ROS Assay Kit is a cell-based assay for measuring hydroxyl, peroxyl, and other reactive oxygen species activity within a cell. The assay employs the cell-permeable fluorogenic probe DCFH-DA, which diffuses into cells and is deacetylcated by cellular esterases into the non-fluorescent DCFH (Figure 1). In the presence of ROS, DCFH is rapidly oxidized to highly fluorescent DCF. Fluorescence is read on a standard fluorometric plate reader.

OxiSelect Advanced Glycation End Product (AGE) Competitive ELISA Kit
STA-817	Cell Biolabs	96 assays	EUR 888
Description: Advanced glycation end products (AGE) are formed during the Maillard reaction where reducing carbohydrates react with lysine side chains and N-terminal amino groups of various macromolecules, particularly proteins (Figure 1). The advanced glycation end products can adversely affect the fuction of these macromolecules. One of the most prevalent advanced glycation end products, N-epsilon-(Carboxymethyl) Lysine, has been implicated in oxidative stress and vascular damage. Our OxiSelect AGE Competitive ELISA kit is designed for rapid detection and quantitation of advanced glycation end product protein adducts. The quantity of AGE adduct in protein samples is determined by comparing its OD with that of a known AGE-BSA standard curve.

OxiSelect Advanced Glycation End Product (AGE) Competitive ELISA Kit
STA-817-5	Cell Biolabs	5 x 96 assays	EUR 3630
Description: Advanced glycation end products (AGE) are formed during the Maillard reaction where reducing carbohydrates react with lysine side chains and N-terminal amino groups of various macromolecules, particularly proteins (Figure 1). The advanced glycation end products can adversely affect the fuction of these macromolecules. One of the most prevalent advanced glycation end products, N-epsilon-(Carboxymethyl) Lysine, has been implicated in oxidative stress and vascular damage. Our OxiSelect AGE Competitive ELISA kit is designed for rapid detection and quantitation of advanced glycation end product protein adducts. The quantity of AGE adduct in protein samples is determined by comparing its OD with that of a known AGE-BSA standard curve.

OxiSelect Cellular UV-Induced DNA Damage ELISA Kit (CPD), Trial Size
STA-326-T	Cell Biolabs	32 assays	EUR 421.2
Description: Our OxiSelect Cellular UV-Induced DNA Damage ELISA Kit mesaures the formation of cyclobutane pyrimidine dimers (CPD) in intact cells. Cells are first seeded in a 96-well tissue culture plate. Wells are then UV irradiated to induce DNA damage. After fixation and denaturation, cells containing the DNA lesions are probed with an anti-CPD antibody, followed by an HRP conjugated secondary antibody.

OxiSelect In Vitro Nitric Oxide (Nitrite / Nitrate) Assay Kit (Fluorometric)
STA-801	Cell Biolabs	100 assays	EUR 567.6
Description: Cell Biolabs? OxiSelect Nitric Oxide (Nitrite/Nitrate) Assay Kit is a simple, colorimetric assay that quantitatively measures NO in various samples by NO2-/NO3- determination.  First, the nitrate (NO3-) in the sample is converted to nitrite (NO2-) by nitrate reductase enzyme.  Next, total nitrite is detected with Griess Reagents as a colored azo dye product (absorbance 540 nm).  Each kit provides sufficient reagents to perform up to 100 assays using a 96-well microtiter plate format, including blanks, standards and unknown samples.  The kit is suitable for serum, plasma, urine, saliva, lysates, and media (see Preparation of Samples) with detection sensitivity limit of ~ 2 µM (in 50 µL sample volume).

OxiSelect In Vitro Nitric Oxide (Nitrite / Nitrate) Assay Kit (Fluorometric)
STA-801-5	Cell Biolabs	5 x 100 assays	EUR 2182.8
Description: Cell Biolabs? OxiSelect Nitric Oxide (Nitrite/Nitrate) Assay Kit is a simple, colorimetric assay that quantitatively measures NO in various samples by NO2-/NO3- determination.  First, the nitrate (NO3-) in the sample is converted to nitrite (NO2-) by nitrate reductase enzyme.  Next, total nitrite is detected with Griess Reagents as a colored azo dye product (absorbance 540 nm).  Each kit provides sufficient reagents to perform up to 100 assays using a 96-well microtiter plate format, including blanks, standards and unknown samples.  The kit is suitable for serum, plasma, urine, saliva, lysates, and media (see Preparation of Samples) with detection sensitivity limit of ~ 2 µM (in 50 µL sample volume).

OxiSelect In Vitro Nitric Oxide (Nitrite / Nitrate) Assay Kit (Colorimetric)
STA-802	Cell Biolabs	100 assays	EUR 518.4
Description: Cell Biolabs? OxiSelect Nitric Oxide (Nitrite/Nitrate) Assay Kit is a simple, colorimetric assay that quantitatively measures NO in various samples by NO2-/NO3- determination.  First, the nitrate (NO3-) in the sample is converted to nitrite (NO2-) by nitrate reductase enzyme.  Next, total nitrite is detected with Griess Reagents as a colored azo dye product (absorbance 540 nm).  Each kit provides sufficient reagents to perform up to 100 assays using a 96-well microtiter plate format, including blanks, standards and unknown samples.  The kit is suitable for serum, plasma, urine, saliva, lysates, and media (see Preparation of Samples) with detection sensitivity limit of ~ 2 µM (in 50 µL sample volume).

OxiSelect In Vitro Nitric Oxide (Nitrite / Nitrate) Assay Kit (Colorimetric)
STA-802-5	Cell Biolabs	5 x 100 assays	EUR 2071.2
Description: Cell Biolabs? OxiSelect Nitric Oxide (Nitrite/Nitrate) Assay Kit is a simple, colorimetric assay that quantitatively measures NO in various samples by NO2-/NO3- determination.  First, the nitrate (NO3-) in the sample is converted to nitrite (NO2-) by nitrate reductase enzyme.  Next, total nitrite is detected with Griess Reagents as a colored azo dye product (absorbance 540 nm).  Each kit provides sufficient reagents to perform up to 100 assays using a 96-well microtiter plate format, including blanks, standards and unknown samples.  The kit is suitable for serum, plasma, urine, saliva, lysates, and media (see Preparation of Samples) with detection sensitivity limit of ~ 2 µM (in 50 µL sample volume).

OxiSelect Trolox Equivalent Antioxidant Capacity (TEAC) Assay Kit (ABTS)
XAN-5040	Cell Biolabs	200 assays	EUR 609.6

OxiSelect Myeloperoxidase Chlorination Activity Assay Kit (Colorimetric)
STA-803	Cell Biolabs	200 assays	EUR 664.8
Description: Myeloperoxidase (MPO) is a heme-based peroxidase enzyme responsible for antimicrobial activity against a wide range of organisms. It has also been found to be correlated with increased oxidative stress and decreased levels of catalase activity. The OxiSelect Myeloperoxidase Chlorination Activity Assay Kit is a quantitative, colorimetric assay for measuring the myeloperoxidase activity within a sample.

OxiSelect Myeloperoxidase Chlorination Activity Assay Kit (Fluorometric)
STA-804	Cell Biolabs	192 assays	EUR 692.4
Description: Myeloperoxidase (MPO) is a heme-based peroxidase enzyme responsible for antimicrobial activity against a wide range of organisms. It has also been found to be correlated with increased oxidative stress and decreased levels of catalase activity. The OxiSelect Myeloperoxidase Chlorination Activity Assay Kit is a quantitative, fluorometric assay for measuring the myeloperoxidase activity within a sample.

OxiSelect Myeloperoxidase Peroxidation Activity Assay Kit (Fluorometric)
STA-805	Cell Biolabs	192 assays	EUR 692.4
Description: Myeloperoxidase (MPO) is a heme-based peroxidase enzyme responsible for antimicrobial activity against a wide range of organisms. It has also been found to be correlated with increased oxidative stress and decreased levels of catalase activity. The OxiSelect Myeloperoxidase Chlorination Activity Assay Kit is a quantitative, fluorometric assay for measuring the myeloperoxidase peroxidation activity within a sample.

OxiSelect Oxidative RNA Damage ELISA Kit (8-OHG Quantitation) (96 tests)
STA-325	Cell Biolabs	96 assays	EUR 1152
Description: Recently oxidative RNA damage has been described in conjunction with a wide variety of neurological diseases including Alzheimer?s disease, Parkinson?s disease, Dementia with Lewy Bodies, prion disease, and subacute sclerosing panencephalitis. We have developed an easy-to-use ELISA for the detection of the most common marker of RNA damage: 8-hydroxyguanosine (8-OHG).

OxiSelect N?-(carboxymethyl) lysine (CML) Competitive ELISA Kit, Trial Size
STA-816-T	Cell Biolabs	32 assays	EUR 505.2
Description: Advanced glycation end products (AGE) are formed during the Maillard reaction where reducing carbohydrates react with lysine side chains and N-terminal amino groups of various macromolecules, particularly proteins. The advanced glycation end products can adversely affect the fuction of these macromolecules. One of the most prevalent AGE products, N-epsilon-(Carboxymethyl) Lysine, has been implicated in oxidative stress and vascular damage. The OxiSelect N-epsilon-(Carboxymethyl) Lysine Competitive ELISA kit specifically detects CML formation with a high level of sensitivity. This is a Competitive ELISA Kit in which the plate is coated with a CML conjugate.  Standards and unknown samples are added to the plate, followed by incubation with the primary antibody. The CML in the unknown samples and the CML attached to the plate compete for the primary antibody. Higher CML content in unknown samples results in more binding of the antibody to the sample, and thus less antibody binds to the plate. Since the antibody bound to the sample is washed away, higher CML content in samples correlates with a lower signal.

OxiSelect Oxidative DNA Damage ELISA Kit (8-OHdG Quantitation) (1 plate)
STA-320	Cell Biolabs	96 assays	EUR 1152
Description: Among numerous types of oxidative DNA damage, 8-hydroxydeoxyguanosine (8-OHdG) is a ubiquitous marker of oxidative stress. 8-OHdG, one of the byproducts of oxidative DNA damage, is physiologically formed and enhanced by chemical carcinogens. Our OxiSelect Oxidative DNA Damage ELISA Kit (8-hydroxydeoxyguanosine assay) provides a powerful method for rapid, sensitive quantitation of 8-OHdG in DNA samples.

OxiSelect Cellular UV-Induced DNA Damage Staining Kit (CPD), Trial Size
STA-327-T	Cell Biolabs	32 assays	EUR 421.2
Description: Our OxiSelect Cellular UV-Induced DNA Damage Staining Kit measures the formation of cyclobutane pyrimidine dimers (CPD) by immunofluorescence. Cells are first seeded in a 96-well tissue culture plate. Wells are then UV irradiated to induce DNA damage. After fixation and denaturation, cells containing the DNA lesions are probed with an anti-CPD antibody, followed by a FITC conjugated secondary antibody. The unbound secondary antibody is removed during a wash step, and stained cells can then be visualized with a fluorescence microscope.

OxiSelect Cellular UV-Induced DNA Damage ELISA Kit (6-4PP), Trial Size
STA-328-T	Cell Biolabs	32 assays	EUR 421.2
Description: Our OxiSelect Cellular UV-Induced DNA Damage ELISA Kit measures the formation of 6-4PP in intact cells in a 96-well ELISA plate-based format. Cells are first seeded in a 96-well tissue culture plate. Wells are then UV irradiated to induce DNA damage. After fixation and denaturation, cells containing the DNA lesions are probed with an anti-6-4PP antibody, followed by an HRP conjugated secondary antibody.

OxiSelect Oxidative DNA Damage ELISA Kit (8-OHdG Quantitation) (5 plates)
STA-320-5	Cell Biolabs	5 x 96 assays	EUR 4743.6
Description: Among numerous types of oxidative DNA damage, 8-hydroxydeoxyguanosine (8-OHdG) is a ubiquitous marker of oxidative stress. 8-OHdG, one of the byproducts of oxidative DNA damage, is physiologically formed and enhanced by chemical carcinogens. Our OxiSelect Oxidative DNA Damage ELISA Kit (8-hydroxydeoxyguanosine assay) provides a powerful method for rapid, sensitive quantitation of 8-OHdG in DNA samples.

OxiSelect Oxidative DNA Damage ELISA Kit (8-OHdG Quantitation), Trial Size
STA-320-T	Cell Biolabs	32 assays	EUR 609.6
Description: Among numerous types of oxidative DNA damage, 8-hydroxydeoxyguanosine (8-OHdG) is a ubiquitous marker of oxidative stress. 8-OHdG, one of the byproducts of oxidative DNA damage, is physiologically formed and enhanced by chemical carcinogens. Our OxiSelect Oxidative DNA Damage ELISA Kit (8-hydroxydeoxyguanosine assay) provides a powerful method for rapid, sensitive quantitation of 8-OHdG in DNA samples.

OxiSelect Oxidative RNA Damage ELISA Kit (8-OHG Quantitation) (5x96 tests)
STA-325-5	Cell Biolabs	5 x 96 assays	EUR 4743.6
Description: Recently oxidative RNA damage has been described in conjunction with a wide variety of neurological diseases including Alzheimer?s disease, Parkinson?s disease, Dementia with Lewy Bodies, prion disease, and subacute sclerosing panencephalitis. We have developed an easy-to-use ELISA for the detection of the most common marker of RNA damage: 8-hydroxyguanosine (8-OHG).

OxiSelect Oxidative RNA Damage ELISA Kit (8-OHG Quantitation), Trial Size
STA-325-T	Cell Biolabs	32 assays	EUR 609.6
Description: Recently oxidative RNA damage has been described in conjunction with a wide variety of neurological diseases including Alzheimer?s disease, Parkinson?s disease, Dementia with Lewy Bodies, prion disease, and subacute sclerosing panencephalitis. We have developed an easy-to-use ELISA for the detection of the most common marker of RNA damage: 8-hydroxyguanosine (8-OHG).

OxiSelect UV-Induced DNA Damage ELISA Kit (CPD Quantitation), Trial Size
STA-322-T	Cell Biolabs	32 assays	EUR 421.2
Description: Our OxiSelect UV-Induced DNA Damage ELISA Kit measures the formation of cyclobutane pyrimidine dimers (CPD) in DNA isolated from cells or tissues. Standards or unknown DNA samples are first heat denatured before adsorbed onto a 96-well DNA binding plate.  The sample or standard are then probed with an anti-CPD antibody, followed by an HRP conjugated secondary antibody.

OxiSelect Hydrogen Peroxide/Peroxidase Assay Kit (Fluorometric), Trial Size
STA-344-T	Cell Biolabs	50 assays	EUR 344.4
Description: The OxiSelect Hydrogen Peroxide/Peroxidase Assay Kit is a sensitive quantitative fluorometric assay for hydrogen peroxide or peroxidase.   In the presence of HRP, ADHP reacts with H2O2 in a 1:1 stoichiometry to produce highly fluorescent Resorufin.  The Resorufin product can be easily read by a fluorescence microplate reader with an excitation of 530-560 nm and an emission of 590 nm, or for absorbance at 560 nm.  Fluorescence values are proportional to the H2O2 or peroxidase levels within the samples.  The H2O2 or peroxidase content in unknown samples is determined by comparison with its respective standard curve.

OxiSelect UV-Induced DNA Damage ELISA Combo Kit (CPD / 6-4PP Quantitation)
STA-322-C	Cell Biolabs	96 assays	EUR 992.4
Description: Our OxiSelect UV-Induced DNA Damage ELISA Combo Kit measures the formation of both CPD and 6-4PP structures in DNA isolated from cells or tissues. Standards or unknown DNA samples are first heat denatured before adsorbed onto a 96-well DNA binding plate.  The sample or standard are then probed with an anti-6-4PP or CPD antibody, followed by an HRP conjugated secondary antibody. CPD and 6-4PP structures are assayed on the same plate but in separate wells.

OxiSelect Cellular UV-Induced DNA Damage Staining Kit (6-4PP), Trial Size
STA-329-T	Cell Biolabs	32 assays	EUR 421.2
Description: Our OxiSelect Cellular UV-Induced DNA Damage Staining Kit measures the formation of 6-4PP structures in DNA by immunofluorescence. Cells are first seeded in a 96-well tissue culture plate. Wells are then UV irradiated to induce DNA damage. After fixation and denaturation, cells containing the DNA lesions are probed with an anti-6-4PP antibody, followed by a FITC conjugated secondary antibody. The unbound secondary antibody is removed during a wash step, and stained cells can then be visualized with a fluorescence microscope.

OxiSelect UV-Induced DNA Damage ELISA Kit (6-4PP Quantitation), Trial Size
STA-323-T	Cell Biolabs	32 assays	EUR 421.2
Description: Our OxiSelect UV-Induced DNA Damage ELISA Kit measures 6-4PP formation in DNA isolated from cells or tissue. Standards or unknown DNA samples are first heat denatured before adsorbed onto a 96-well DNA binding plate.  The sample or standard is then probed with an anti-6-4PP antibody, followed by an HRP conjugated secondary antibody.

OxiSelect Oxygen Radical Antioxidant Capacity (ORAC) Activity Assay, Trial Size
STA-345-T	Cell Biolabs	48 assays	EUR 379.2
Description: The ORAC assay is a powerful tool to measure the antioxidant capacity of biomolecules. Our OxiSelect ORAC Activity Assay measures this capacity in less than 2 hours from a wide variety of sample types.

OxiSelect Nitrosative DNA/RNA Damage ELISA Kit (8-Nitroguanine Quantitation)
STA-825	Cell Biolabs	96 assays	EUR 957.6
Description: The OxiSelect Nitrosative DNA/RNA Damage ELISA Kit is a competitive enzyme immunoassay developed for rapid detection and quantitation of 8-nitroguanine in urine, serum, or plasma samples.

OxiSelect Nitrosative DNA/RNA Damage ELISA Kit (8-Nitroguanine Quantitation)
STA-825-5	Cell Biolabs	5 x 96 assays	EUR 3888
Description: The OxiSelect Nitrosative DNA/RNA Damage ELISA Kit is a competitive enzyme immunoassay developed for rapid detection and quantitation of 8-nitroguanine in urine, serum, or plasma samples.

OxiSelect Aldehyde-Induced DNA Damage ELISA Kit (Ethenocytidine Quantitation)
STA-821	Cell Biolabs	96 assays	EUR 762
Description: The OxiSelect Aldehyde-Induced DNA Damage ELISA Kit (Ethenocytidine Quantitation) is a competitive ELISA kit allowing the quantitation of ethenocytidine adducts in DNA isolated from cells or tissues. Samples and standards are added to a provided microplate preabsorbed with etheno-damaged DNA. An anti-ethenocytidine antibody is added and binds competitively to ethenocytidine in the unknown sample or to the ethenocytidine in the DNA coated on the plate. After washing a secondary antibody is added. A low signal means most of the primary antibody was bound to the unknown, indicating a high level of ethenocytidine in the sample.

OxiSelect Advanced Glycation End Product (AGE) Competitive ELISA Kit, Trial Size
STA-817-T	Cell Biolabs	32 assays	EUR 477.6
Description: Advanced glycation end products (AGE) are formed during the Maillard reaction where reducing carbohydrates react with lysine side chains and N-terminal amino groups of various macromolecules, particularly proteins (Figure 1). The advanced glycation end products can adversely affect the fuction of these macromolecules. One of the most prevalent advanced glycation end products, N-epsilon-(Carboxymethyl) Lysine, has been implicated in oxidative stress and vascular damage. Our OxiSelect AGE Competitive ELISA kit is designed for rapid detection and quantitation of advanced glycation end product protein adducts. The quantity of AGE adduct in protein samples is determined by comparing its OD with that of a known AGE-BSA standard curve.

OxiSelect Aldehyde-Induced DNA Damage ELISA Kit (Ethenoadenosine Quantitation)
STA-820	Cell Biolabs	96 assays	EUR 762
Description: The OxiSelect Aldehyde-Induced DNA Damage ELISA Kit (Ethenoadenosine Quantitation) is a competitive ELISA kit allowing the quantitation of ethenoadenosine adducts in DNA isolated from cells or tissues. Samples and standards are added to a provided microplate preabsorbed with etheno-damaged DNA. An anti-ethenoadenosine antibody is added and binds competitively to ethenoadenosine in the unknown sample or to the ethenoadenosine in the DNA coated on the plate. After washing a secondary antibody is added. A low signal means most of the primary antibody was bound to the unknown, indicating a high level of ethenoadenosine in the sample.

OxiSelect Hydroxyl Radical Antioxidant Capacity (HORAC) Activity Assay, Trial Size
STA-346-T	Cell Biolabs	48 assays	EUR 379.2
Description: The HORAC assay is a powerful tool to measure the antioxidant capacity of biomolecules. Our OxiSelect HORAC Activity Assay measures the degradation of free hydroxyl radicals in less than 2 hours from a wide variety of sample types.

OxiSelect Aldehyde-Induced DNA Damage ELISA Combo Kit (Ethenoadenosine / Ethenocytidine Quantitation)
STA-820-C	Cell Biolabs	96 assays	EUR 957.6
Description: The OxiSelect Aldehyde-Induced DNA Damage ELISA Combo Kit (Ethenoadenosine / Ethenocytidine Quantitation) is a competitive ELISA kit allowing the quantitation of ethenoadenosine or ethenocytidine adducts in DNA isolated from cells or tissues. Samples and standards are added to a provided microplate preabsorbed with etheno-damaged DNA. A primary antibody is added and binds competitively to ethenoadenosine in the unknown sample or to the etheno adduct in the DNA coated on the plate. After washing a secondary antibody is added. A low signal means most of the primary antibody was bound to the unknown, indicating a high level of etheno adducts in the sample. Each combo kit can perform up to 96 assays combined for ethenoadenosine and ethenocytidine. The two targets are assayed in separate wells, but any well on the provided plate may be used for either target in any ratio (e.g. 64 wells for ethenoadenosine and 32 wells for ethenocytidine, or 48 wells for each).

Rat NADP oxidase enzyme (NADP oxidase enzyme) ELISA Kit
YLA1460RA-48T	Shanghai YL Biotech	48T	EUR 465

Rat NADP oxidase enzyme (NADP oxidase enzyme) ELISA Kit
YLA1460RA-96T	Shanghai YL Biotech	96T	EUR 600

Poly(ethylene oxide-b-propylene oxide) [ratio 0.15:1]
16273-100	Polysciences Europe GmbH	100g	EUR 177

New checks have the potential to enhance accuracy, operational traits and end-user entry to checks for TB an infection. Nonetheless, printed knowledge in varied populations and settings are restricted for many new checks. Analysis of those new checks in a standardised design would facilitate their endorsement and programmatic scale-up. Nonetheless, each sorts of checks have restricted efficiency to foretell growth of energetic TB.