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19530 results for Assays

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Assays

An assay is an investigative procedure in laboratory medicine, pharmacology, environmental biology, and molecular biology for qualitatively assessing or quantitatively measuring the presence or functional activity of the analyte, or the entity being targeted by the assay. Generally, assays involve biological materials or phenomena which tend to be intrinsically more complex in composition or in behaviour than what can be handled by traditional chemical analysis and titration.

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DNA quantitation, SpectraMax® Quant™ dsDNA assay kits

DNA quantitation, SpectraMax® Quant™ dsDNA assay kits

Supplier: Molecular Devices

SpectraMax® Quant™ dsDNA Assay kits are designed for fluorescence-based dsDNA quantitation across a broad range of concentrations.

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Creatinine (serum) Colorimetric Assay Kit

Creatinine (serum) Colorimetric Assay Kit

Supplier: Cayman Chemical

For the measurement of creatinine levels in plasma and serum.

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Calcium assay kits, Fura-2 QBT™ Calcium kit

Calcium assay kits, Fura-2 QBT™ Calcium kit

Supplier: Molecular Devices

The Fura-2 QBT™ Calcium Kit eliminates the cause of data variability and reduces the number of steps compared to conventional wash protocols using Fura-2.

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Peroxide assay kit, PEROXsay™

Peroxide assay kit, PEROXsay™

Supplier: G-Biosciences

PEROXsay™ is a colorimetric quantitative peroxide assay that measures the oxidation of ferrous (Fe²⁺+) ions to ferric (Fe³⁺) 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 of the assay allows the ferric (Fe³⁺) ion to complex with the colorimetric reagent, resulting in a change in absorbance that is proportional to the peroxide concentration.

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Complex I Enzyme Activity Dipstick Assay Kit

Complex I Enzyme Activity Dipstick Assay Kit

Supplier: Abcam

Complex I Enzyme Activity Dipstick Assay kit is an immunoassay kit for the detection of Complex I Enzyme Activity in Mouse, Rat, Cow, Human in cell culture extracts, tissue, cell culture supernatant samples.

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SAM Methyltransferase assay, SAMfluoro™

SAM Methyltransferase assay, SAMfluoro™

Supplier: G-Biosciences

The SAMfluoro™ assay is a fluorescent, continuous enzyme coupled assay that can continuously monitor SAM-dependent methyltransferases without the use of radioactive labels or endpoint measurements.

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CytoScan™-SRB cytotoxicity assay

Supplier: G-Biosciences

CytoScan™-SRB Cytotoxicity Assay is based upon the quantitative staining of cellular proteins by sulforhodamine B (SRB). The assay is used for cell density determination, based on the measurement of cellular protein content.

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Pierce™ Protease Assay Kits, Colorimetric and Fluorometric

Pierce™ Protease Assay Kits, Colorimetric and Fluorometric

Supplier: Thermo Fisher Scientific

Pierce™ Protease Assay Kits are an ideal choice for performing routine assays necessary during the isolation of proteases, or for identifying the presence of contaminating proteases in protein samples. These protease assays are also ideal for studying pH or temperature vs. activity profiles of purified proteases.

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α-Amylase Inhibitor Screening Kit

α-Amylase Inhibitor Screening Kit

Supplier: Abcam

Simple, 1-step assay for screening potential α-amylase inhibitors.

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MycoLight™ Bacterial Viability Assay Kit

MycoLight™ Bacterial Viability Assay Kit

Supplier: AAT Bioquest

Mycolight™ Bacterial Viability Assay Kit provides two-colour fluorescence assay of bacterial viability in both gram-positive and negative bacterial cell.

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Thermal shift protein stability kits, GloMelt™

Supplier: Biotium

Kit for fluorescence-based measurement of protein unfolding or thermal stability in thermal shift assay, also called Protein Thermal Shift™, differential scanning fluorimetry, or Thermofluor assay.

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ONPG assay kit

ONPG assay kit

Supplier: OZ BIOSCIENCES

ONPG assay kit is ideal to quantify high expression level of beta-Gal.

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CPRG assay kit

CPRG assay kit

Supplier: OZ BIOSCIENCES

CPRG assay kit is designed to quantify low expression level β-Galactosidase.

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Cell Meter™ Cell Adhesion Assay Kit

Cell Meter™ Cell Adhesion Assay Kit

Supplier: AAT Bioquest

The Cell Meter™ cell adhesion assay kit is a fast and sensitive assay for measuring cell-cell or cell-surface adhesion for a variety of cell types.

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Phosphoprotein phosphate estimation assay Kit, Pierce™

Phosphoprotein phosphate estimation assay Kit, Pierce™

Supplier: Thermo Fisher Scientific

Pierce™ Phosphoprotein Phosphate Estimation Assay Kit enables classification and identification of proteins as phosphorylated (serine and threonine), as well as semi-quantitative assessment of the phosphorylation level.

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Easy-Titer® IgG assay kits

Easy-Titer® IgG assay kits

Supplier: Thermo Fisher Scientific

Easy-Titer® IgG assay kits are simple, mix-and-read assays that allow quick and accurate determination of concentrations from 15 to 300 ng/ml of IgG.

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Cell counting kit-8

Cell counting kit-8

Supplier: Enzo Life Sciences

Cellular assay, Cell counting kit-8

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Modified lowry protein assay kit, Pierce™

Modified lowry protein assay kit, Pierce™

Supplier: Thermo Fisher Scientific

The Modified Lowry Protein Assay Kit is the preferred colorimetric assay for quantifying total protein concentration.

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dsDNA quantitation kits for the Qubit® fluorometer, AccuGreen™, high-sensitivity and broad-range

dsDNA quantitation kits for the Qubit® fluorometer, AccuGreen™, high-sensitivity and broad-range

Supplier: Biotium

AccuGreen™ kit is specific for dsDNA and can quantify DNA samples in the range of 0,1 to 10 ng/μl.

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Luciferase assay kit

Luciferase assay kit

Supplier: OZ BIOSCIENCES

The luciferase assay kit is the most sensitive analytical tools for measuring gene expression.

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Pyruvate dehydrogenase (PDH) Protein Quantity Dipstick Assay Kit

Pyruvate dehydrogenase (PDH) Protein Quantity Dipstick Assay Kit

Supplier: Abcam

Pyruvate dehydrogenase (PDH) Protein Quantity Dipstick Assay Kit is an immunoassay kit for the detection of Pyruvate dehydrogenase (PDH) Protein Quantity in Mouse, Rat, Cow, Human in Cell culture extracts, Tissue samples.

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Pierce™ BCA™ Protein assay kits and reagents

Pierce™ BCA™ Protein assay kits and reagents

Supplier: Thermo Fisher Scientific

Pierce BCA™ (bicinchoninic acid) reagents provide accurate determination of protein concentration with most sample types encountered in protein research. The Pierce BCA™ Protein Assay can be used to assess yields in whole cell lysates and affinity-column fractions, as well as to monitor protein contamination in industrial applications. Compared to most dye-binding methods, the BCA™ Assay is affected much less by protein compositional differences, providing greater protein-to-protein uniformity.

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Cell Meter™ Fluorimetric Cell Cytotoxicity Assay Kit

Cell Meter™ Fluorimetric Cell Cytotoxicity Assay Kit

Supplier: AAT Bioquest

Our Cell Meter™ assay kits are a set of tools for monitoring cell viability.

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p70 S6K activity kit

Supplier: Enzo Life Sciences

The p70 S6K activity kit is an efficient assay that utilizes little sample volume. This kit gives you the ability to an end-point or kinetic assay read-out in a convenient 96-well plate based assay and offers easy sample handling protocols. The assay also offers a high signal to background ratio.

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Phosphatase assay kit

Phosphatase assay kit

Supplier: 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 phosphatases, acid phosphatases, protein tyrosine phosphatases and serine/threonine phosphatases.

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Bradford protein assay kits (B-Pak)

Bradford protein assay kits (B-Pak)

Supplier: OZ BIOSCIENCES

Bradford Protein Assay Kit (B-Pak) is a straightforward and rapid kit for determining the concentration of proteins in solution. This ready to use kit is provided with 1X reagent and 2 sets of BSA standards which means no dilution, filtration or calculation required. B-Pak is provided with adapted protocols for all experimental conditions – micro and macroassays.

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Pierce™ Micro BCA™ Protein Assay Kit and Reagents

Pierce™ Micro BCA™ Protein Assay Kit and Reagents

Supplier: Thermo Fisher Scientific

Micro BCA™ protein assay kit is a specialised version of Pierce™ BCA protein assay for determining the protein concentration of dilute samples.

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Cell Meter™ Flow Cytometric Calcium Assay Kit

Cell Meter™ Flow Cytometric Calcium Assay Kit

Supplier: AAT Bioquest

Cell Meter™ flow cytometric calcium assay kit provides fluorescence-based assays for detecting intracellular calcium mobilisation using a flow cytometer.

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Screen Quest™ Rhod-4 No Wash Calcium Assay Kit

Screen Quest™ Rhod-4 No Wash Calcium Assay Kit

Supplier: AAT Bioquest

Calcium flux assays are preferred methods in drug discovery for screening G protein coupled receptors (GPCR).

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Frataxin Protein Quantity Dipstick Assay Kit

Frataxin Protein Quantity Dipstick Assay Kit

Supplier: Abcam

Frataxin Protein Quantity Dipstick Assay Kit is an immunoassay kit for the detection of Frataxin Protein Quantity in Human in Whole Blood samples.

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