Assay Kits

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  • Bicinchoninic Acid (BCA) Protein Assay

    G-Biosciences

    The Bicinchoninic Acid (BCA) Protein Assay, also known as the Smith Assay, is a highly sensitive colorimetric assay that is compatible with detergent solubilized protein solutions. The Bicinchoninic Acid (BCA) Protein Assay primarily relies on two reactions. Firstly, the peptide bonds in the…

  • RED 660™ Protein Assay

    G-Biosciences

    RED 660™ Protein Assay is a single reagent colorimetric assay that outperforms commercial colorimetric assays, including Bradford and improved Coomassie/ Bradford assays. RED 660™ Protein Assay offers greater linearity, greater color stability, and greater compatibility with detergents,…

  • JC-1 Mitochondrial Membrane Potential Assay

    G-Biosciences

    JC-1 Mitochondrial Membrane Potential Assay comprise of lipophilic cationic fluorescent dye; 5,5,6,6’-tetrachloro-1,1’,3,3’-tetraethylbenzimi-dazoylcarbocyanine iodide (JC-1). In healthy cells, JC-1 enters the energized mitochondria and form aggregates which change the fluorescent…

  • Lumino™ Cell Viability Glow Assay

    G-Biosciences

    ATP serves as a marker for cell viability as it is present in all metabolically active cells.Lumino™ Cell Viability Glow Assay is a bioluminescent assay to detect and/or quantify ATP and thus measures the viable cells.The bioluminescent assay is based on requirement of ATP by luciferase…

  • ß-Galactosidase Assay (CPRG)

    G-Biosciences

    β-Galactosidase Assay (CPRG) provides an easy, rapid, and highly sensitive method for determining the β-galactosidase activity in the lysates of cells transfected with a β-galactosidase expression construct. The β-Galactosidase Assay (CPRG) assay uses chlorophenol…

  • AlamarBlue Cell Viability Assay Reagent

    G-Biosciences

    AlamarBlue Cell Viability Assay reagent quantitatively measures the proliferation of mammalian cell lines, bacteria and fungi. The dye incorporates an oxidation-reduction (REDOX) indicator that both fluoresces and change color in response to the chemical reduction of growth medium due to cell…

  • NUCLEIC dotMETRIC™

    G-Biosciences

    A 1µl Assay For Rapid Estimation of DNA, RNA and Oligo Concentration NUCLEIC dotMETRIC™ kit provides a quick and accurate method for detecting and measuring DNA, RNA and oligonucleotides. The system uses a unique combination of proprietary reagents and test strips and is an…

  • CB™ Protein Assay

    G-Biosciences

    An improved Coomassie Dye based protein assay based on the Bradford Protein Assay (1). This assay is suitable for the simple and rapid estimation of protein concentration. This assay is based on a single Coomassie dye based reagent. The binding of protein to the dye results in a change of color…

  • CytoScan™ LDH Cytotoxicity Assay

    G-Biosciences

    The CytoScan™ LDH Cytotoxicity Assay is a colorimetric method of assaying cellular cytotoxicity and is an alternative to 51 Cr release cytotoxicity assays. The kit combines the advantages of reliability and simple evaluation, characteristic of radioisotope release assays, with the…

  • NI™ (Non-Interfering™) Protein Assay Kit

    G-Biosciences

    A highly sensitive, colorimetric protein assay that overcomes interference of common laboratory agents present in protein solutions and shows minimal protein-to-protein variation. The assay is unaffected by the presence of common laboratory agents, such as reducing agents, chelating agents,…

  • Lumino™ ATP Detection Assay

    G-Biosciences

    Lumino™ ATP Detection Assay is designed for rapid, convenient and quantitative detection of adenosine-5’-triphosphate (ATP). It’s a bioluminescent assay which is based on requirement of ATP by luciferase enzyme for production of light. ATP Detection Assay has widespread…

  • CytoScan™-fluoro Cytotoxicity Assay

    G-Biosciences

    The CytoScan™-fluoro is based on the quantification of cellular lactate dehydrogenase (LDH) released when cells are damaged or under stress. Lactate dehydrogenase released into the culture medium is measured with a diaphorase coupled enzymatic assay that results in the conversion of a…

  • Bicinchoninic Acid (BCA) Protein Assay: Reducing Agent Compatible

    G-Biosciences

    The Bicinchoninic Acid (BCA) Protein Assay is a highly sensitive colorimetric assay that is compatible with detergent solubilized protein solutions, however is dramatically affected by the presence of reducing agents, including DTT, ß-mercaptoethanol and TCEP. The Bicinchoninic Acid…

  • SAMfluoro: SAM Methyltransferase Assay

    G-Biosciences

    Methylation of key biological molecules and proteins plays important roles in numerous biological systems, including signal transduction, biosynthesis, protein repair, gene silencing and chromatin regulation. The S-adenosylmethionine (SAM) dependent methyltransferases use SAM, the second most…

  • SPN™ Protein Assays

    G-Biosciences

    A novel protein assay that is suitable for single sample or high throughput protein estimation. The SPN™ and SPN™- htp protein assays are rapid assays that are suitable for as little as 0.5µg protein and are resistant to interference from common laboratory agents. The assays are…

  • Protease Assay Kit

    G-Biosciences

    The Protease Assay Kit is designed for the quantitative determination of proteases present in a protein sample, using a dye-labeled protein substrate. The proteases present in the sample of interest will digest the protein substrate and release dye labeled peptides. The absorbance of the…

  • Protein dotMETRIC™

    G-Biosciences

    Rapidly, mix 1µl protein sample with the supplied Dilution Buffer and apply 1µl of the solution to the test strip by point-of-contact capillary action. Under the assay's specific buffer conditions the protein enters into the matrix of the test strip, binds and saturates as protein…

  • Assay Strips and Holders

    G-Biosciences

    Assay Strips and Holders: 8-well strips of 200ml flat bottomed wells. Ideal for ELISA assays. Cost effective as individual strips can be used as opposed to a whole 96-well plate. Each holder holds 12 strips, sold separately.

  • Micro Bicinchoninic Acid (BCA) Protein Assay

    G-Biosciences

    The Micro Bicinchoninic Acid (BCA) Protein Assay is a highly sensitive colorimetric assay that is compatible with detergent solubilized protein solutions. This modification of the Bicinchoninic Acid (BCA) Protein Assay is suitable for dilute protein samples (0.5-20µg/ml). The Micro BCA…

  • Lumino™ Firefly Luciferase Glow Assay

    G-Biosciences

    Lumino™ Firefly Luciferase Glow Assay is designed for high throughput screening or quantification of luciferase expression in mammalian cells which is mainly performed by batch processing of 96- and 384- well plates. Lumino™ Firefly Luciferase Glow Assay is homogenous,…

  • Calcein AM Cell Viability Assay

    G-Biosciences

    Calcein AM or Calcein acetoxymethyl ester is a hydrophobic compound which passes easily through cell membrane into live cells and is used for cell viability assays. The non-fluorescent calcein AM dye is hydrolyzed by cellular esterases to give calcein which is fluorescent and is retained in the…

  • NAD+/NADH Assay [Colorimetric]

    G-Biosciences

    NAD+/NADH Assay [Colorimetric] is designed for sensitive detection of intracellular nucleotides, NADH, NAD+ and their ratio. The kit specifically detects NAD+, NADH and not NADP. This colorimetric assay is based on NAD cycling enzyme mix which increases the sensitivity of detection. Features:…

  • SAM510™: SAM Methyltransferase Assay

    G-Biosciences

    Methylation of key biological molecules and proteins plays important roles in numerous biological systems, including signal transduction, biosynthesis, protein repair, gene silencing and chromatin regulation. The S-adenosylmethionine (SAM) dependent methyltransferases use SAM, the second…

  • Protease Screening Kit

    G-Biosciences

    Sensitive protease screening is needed to study protease activity present in the sample of interest. The Protease Screening Kit provides you with a simple and quick method for testing your samples for proteolysis. Simply incubate your sample in the reagent provided and obtain results. The…

  • Protn-Latex™

    G-Biosciences

    Protn-Latex ™ is a simple and reliable method for estimation of protein contamination in latex. Protein estimation can be performed either on the production site or in any laboratory with a minimum of skill or instrumentation. The test detects as low as 25-40µg protein /gm latex (or…

  • PEROXsay™ Peroxide Assays

    G-Biosciences

    PEROX say ™ is a colorimetric quantitative peroxide assay that measures the oxidation of ferrous (Fe 2+ ) ions to ferric (Fe 3+ ) ions. Peroxides react with a sugar alcohol converting it to a peroxyl radical that subsequently starts the oxidation of ferrous ions to ferric ions. The acidic pH…

  • CL (Compatible Lowry's) Protein Assay

    G-Biosciences

    G-Biosciences’ CL (Compatible Lowry) Protein Assay is based on the widely cited protein assay by Lowry et. al. (1951). The CL Protein Assay improves upon the traditional Lowry method to be compatible with common laboratory agents known to interfere with Lowry protein assays such as reducing…

  • Fluoro™ Protease Assay

    G-Biosciences

    The Fluoro™ Protease Assay Kit is designed for the quantitative determination of proteases present in a protein sample. The assay uses fluorescein isothiocyanate (FITC)-labeled casein as a general protease substrate. The fluorescein label on the FITC-casein is highly quenched. When the…

  • PhosphoQuant™

    G-Biosciences

    PhosphoQuant ™ is specifically designed for quick and reliable determination of whether a purified protein is phosphorylated and the extent of phosphorylation. The assay is based on the alkaline hydrolysis of phosphates from seryl and threonyl residues in phosphoproteins and the subsequent…

  • Phosphatase Assay Kit

    G-Biosciences

    The Phosphatase Assay kit is designed to measure the activity of phosphatases in biological samples and to screen for agonists and inhibitors of phosphatases. The Phosphatase Assay kit uses para-nitrophenyl phosphate (pNPP), a chromogenic substrate for most phosphatases, including alkaline…

  • ProteSEEKER™

    G-Biosciences

    Protocols.io provides an interactive version of this protocol where you can discover and share optimizations with the research community. ProteSEEKER™ identifies specific types of proteases with a panel of twelve protease inhibitors and a sensitive colorimetric protease screening…

  • CytoScan™ WST-1 Cell Cytotoxicity Assay

    G-Biosciences

    CytoScan™ WST-1 Cell Proliferation Assay is a sensitive and accurate assay for cell proliferation and cytotoxicity. The assay is highly convenient as it is performed in a single cell tissue culture well and requires no washing, harvesting or solubilization of cells. Adherent or…

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