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13849 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 behavior than what can be handled by traditional chemical analysis and titration.

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FLUOR DE LYS® HDAC1 fluorometric drug discovery assay kit

Supplier: ENZO LIFE SCIENCES

The HDAC1 Fluorescent Activity Assay/Drug Discovery Kit is a complete assay system designed to measure the lysyl deacetylase activity of the recombinant human HDAC1 included in the kit.

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Proteasome 20S Assay Kit

Supplier: ENZO LIFE SCIENCES

A QuantiZyme™ Assay System. Fluorogenic, non-radioactive assay designed to measure chymotrypsin-like protease activity of purified 20S proteasome. This 96-well assay is useful for screening inhibitors and modulators of the 20S proteasome.

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Red hydrogen peroxide assay kit

Supplier: ENZO LIFE SCIENCES

Red Hydrogen Peroxide Assay Kit provides a simple absorbance-based or fluorometric assay to detect and quantify hydrogen peroxide or peroxidase activity in biochemical assays, cell extracts and in live cells. It can also be used to detect a variety of oxidase activities through enzyme-coupled reactions. The kit is an optimized ‘mix and read’ assay that is suitable for both 96- and 348-well formats and is compatible with HTS liquid handling.

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Cell viability assay kits, EarlyTox™ live/dead assay kits

Cell viability assay kits, EarlyTox™ live/dead assay kits

Supplier: Molecular Devices

EarlyTox™ Cell Viability Assay Kits are a family of fluorescence-based reagents for the assessment of cell viability, cell proliferation, and various apoptosis events using mammalian cells. Optimised for use with microplate readers, these assay kits employ a no-wash, homogeneous assay protocol that enables characterisation of a full concentration-response profile of test compounds.

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FLUOR DE LYS® SIRT3 fluorometric drug discovery assay kit

Supplier: ENZO LIFE SCIENCES

A Fluor-de-Lys® fluorescent assay system. The SIRT3 Fluorescent Activity Assay/Drug Discovery Kit is a complete assay system designed to measure the lysyl deacetylase activity of the recombinant human SIRT3 included in the kit. The kit is ideal for chemical library screening for candidate inhibitors or activators or kinetic assay of the enzyme under varying conditions.

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PPARα transcription factor assay kit

PPARα transcription factor assay kit

Supplier: Cayman Chemical

A 96-well assay for measurement of PPARα DNA binding activity.

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Calcium assay kit

Supplier: Cayman Chemical

For the determination of total calcium concentration in a variety of biological samples, as well as tissue homogenates and cell lysates.

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Calcium assay kits, FLIPR® Calcium 4 assay kit

Calcium assay kits, FLIPR® Calcium 4 assay kit

Supplier: Molecular Devices

The FLIPR® Calcium 4 Assay Kit provides a fast, simple and reliable fluorescence-based assay for detecting changes in intracellular calcium.

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FLUOR DE LYS® HDAC fluorometric activity assay kit

Supplier: ENZO LIFE SCIENCES

The FLUOR DE LYS® HDAC fluorometric activity assay kit is a sensitive and convenient alternative to protocols utilizing radiolabeled, acetylated histones or peptide/HPLC methods for the assay of histone deacetylases. It is based on the unique FLUOR DE LYS® (Fluorimetric Histone deAcetylaseLysyl) substrate and developer combination and provides an assay that can be carried out in two simple mixing steps, all on the same 96-well plate. Histone deacetylase inhibitors have shown promise as anti-tumor agents and naturally this has stimulated interest in the screening of compounds for HDAC inhibition.

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LDH Cytotoxicity WST Assay

Supplier: ENZO LIFE SCIENCES

Colorimetric kit for the determination of cytotoxicity through the measurement of lactate dehydrogenase activity.

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FLUOR DE LYS®-Green HDAC2 fluorometric drug discovery assay kit

Supplier: ENZO LIFE SCIENCES

The HDAC2 Fluorescent Activity Assay/Drug Discovery Kit is a complete assay system designed to measure the lysyl deacetylase activity of the recombinant human HDAC2 included in the kit. The kit is ideal for chemical library screening for candidate inhibitors or kinetic assay of the enzyme under varying conditions.

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ApoSENSOR™ Cell viability assay kit

Supplier: ENZO LIFE SCIENCES

The assay utilizes bioluminescent detection of the ATP level for a rapid screening of apoptosis and cell proliferation simultaneously in mammalian cells. The assay utilizes the enzyme luciferase to catalyze the formation of light from ATP and luciferin. The light can be measured using a luminometer or Beta Counter. The assay can be fully automatic for high throughput (10 seconds/sample) and is highly sensitive (detects 10-100 mammalian cells/well).

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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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FLUOR DE LYS® HDAC fluorometric cellular activity assay kit

Supplier: ENZO LIFE SCIENCES

The HDAC fluorometric cellular activity assay allows the determination of deacetylase activity within an undisturbed cellular environment and provides accurate activity information that is reflective of endogenous regulation. It also allows the study of the effects of upstream regulators on deacetylase activity and the detection of inhibitors or activators that act indirectly to affect deacetylase activity.

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Fluorescent protease assay, Fluoro™

Fluorescent protease assay, Fluoro™

Supplier: 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)-labelled casein as a general protease substrate. The fluorescein label on the FITC-casein is highly quenched. When the proteases present in the sample of interest digest the FITC-casein substrate into smaller peptides, the quenching of the fluorescence label is relieved and the fluorescence of the substrate is increased. The fluorescence of the FITC-labeled peptide is measured with excitation at 485 nm and emission at 530 nm to determine protease activity. The kit detects picogram level of proteases present in the sample.

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Calcium assay kit, FluoForte®

Calcium assay kit, FluoForte®

Supplier: ENZO LIFE SCIENCES

FluoForte® Calcium Assay Kits detect mobilisation of intracellular calcium utilising a fluorogenic calcium-binding dye optimised for superior cell-permeability and retention. The self-quenching dye undergoes an electronic change upon binding of calcium, resulting in a several order of magnitude greater fluorescence.

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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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Calcium assay kits, FLIPR® Calcium 6 and 6-QF assay kits

Calcium assay kits, FLIPR® Calcium 6 and 6-QF assay kits

Supplier: Molecular Devices

The FLIPR® Calcium 6 and 6-QF Assay Kits provide a fast, simple, and reliable fluorescence based assay for detecting changes in intracellular calcium. The Calcium 6 Assay Kit significantly reduces fluorescence background with a one-step protocol. The Calcium 6-QF Assay Kit provides a quench-free option for sensitive targets or multiplexing applications.

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Superoxide dismutase assay kit

Superoxide dismutase assay kit

Supplier: Cayman Chemical

Superoxide Dismutase Assay (SOD) kit is a fast and reliable assay for the measurement of SOD activity from plasma, serum, tissue homogenates and cell lysates.

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LEADING LIGHT® Wnt Reporter Assay Starter Kit

Supplier: ENZO LIFE SCIENCES

The LEADING LIGHT® Wnt Reporter Assay Starter Kit is a cell-based luciferase activity test suitable for 96 well plate format.

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OXI-TEK TBARS assay kit

OXI-TEK TBARS assay kit

Supplier: ENZO LIFE SCIENCES

The sensitivity of measuring thiobarbituric acid reactive substances (TBARS) has made this assay the method of choice for screening and monitoring lipid peroxidation, which is a major indication of oxidative stress.

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Calcium assay kits, FLIPR® Calcium 5 assay kit

Calcium assay kits, FLIPR® Calcium 5 assay kit

Supplier: Molecular Devices

The FLIPR® Calcium 5 Assay Kit provides a fast, simple, and reliable fluorescence-based assay for detecting changes in intracellular calcium.

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Cell viability assay kits, EarlyTox™ Caspase-3/7 R110 assay kit

Cell viability assay kits, EarlyTox™ Caspase-3/7 R110 assay kit

Supplier: Molecular Devices

EarlyTox™ Cell Viability Assay Kits are a family of fluorescence-based reagents for the assessment of cell viability, cell proliferation, and various apoptosis events using mammalian cells. Optimised for use with microplate readers, these assay kits employ a no-wash, homogeneous assay protocol that enables characterisation of a full concentration-response profile of test compounds.

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Cell proliferation assay kit, WST-1

Supplier: Cayman Chemical

WST-1 Proliferation Assay Kit provides an easy to use tool for studying the induction and inhibition of cell proliferation in any in vitro model. The assay is based on the reduction of tetrazolium salt WST-1 to soluble formazan by electron transport across the plasma membrane of dividing cells. This kit will also allow investigators to screen drug candidates involved in regulation of cell cycle.

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Bacterial Ssaining, viability/cytotoxicity assay kit for bacteria live and dead cells

Supplier: Biotium

The Bacteria Viability/Cytotoxicity Assay Kit provides two-colour fluorescence staining of both live bacteria (green) and dead bacteria (red) using two probes, DMAO and EthD-III.

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eFluxx-ID® multidrug resistance assay kit

Supplier: ENZO LIFE SCIENCES

The EFLUXX-ID® Multidrug Resistance Assay Kit allows for functional detection of all three clinically relevant ABC transporter proteins MDR1 (p-glycoprotein), MRP1/2, and BCRP. The assay uses a hydrophobic, non-fluorescent compound that readily penetrates the cell membrane, where it is hydrolyzed to a hydrophilic fluorescent dye by intracellular esterases.

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Reagents for Color-de-Lys™ HDAC colorimetric activity assay kit

Supplier: ENZO LIFE SCIENCES

Cellular assay, Color-de-Lys™ developer concentrate, 300 µl

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Bicinchoninic acid (BCA) reducing agent compatible protein Assay

Bicinchoninic acid (BCA) reducing agent compatible protein Assay

Supplier: G-Biosciences

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

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Steady-Luc™ Firefly HTS assay kit (lyophilised)

Steady-Luc™ Firefly HTS assay kit (lyophilised)

Supplier: Biotium

Firefly luciferase is widely used as a transcriptional reporter gene for research and drug screening. The Steady-Luc™ HTS kit can be used with luminescence plate readers without sample injection systems or for high-throughput screening.

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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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