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13848 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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Quantitative peroxide assay kit (aqueous), Pierce™

Quantitative peroxide assay kit (aqueous), Pierce™

Supplier: Thermo Fisher Scientific

Pierce™ Quantitative Peroxide Assay Kit (Aqueous) detects and measures hydrogen peroxide levels in biological samples using an iron and xylenol orange* (XO) reagent.

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β-Galactosidase Assay Kit and Reagents

β-Galactosidase Assay Kit and Reagents

Supplier: Thermo Fisher Scientific

The Mammalian β-Galactosidase Assay Reagent Kit is a simple and versatile assay to measure β-galactosidase activity in cultured mammalian cells. Cells grown on a plate may be lysed and tested for β-galactosidase activity by adding a single all-in-one lysis-and-assay solution. Alternatively, M-PER™ Mammalian Protein Extraction Reagent may be used to prepare lysate from washed adherent or pelleted cells, and then a portion of the lysate used to assay for β-galactosidase activity. With M-PER Reagent, there is no need to scrape cells or to perform freeze-thaw cycles. The remaining lysates prepared with M-PER™ Reagent may be used for applications such as reporter assays (luciferase, β-galactosidase and chloramphenical acetyltransferase), protein kinase assays (PKA, PKC, and tyrosine kinase), immunoassays (Western blot, ELISA, RIA) and protein purification.

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Compat-Able™ Protein assay preparation reagent set

Compat-Able™ Protein assay preparation reagent set

Supplier: Thermo Fisher Scientific

The Compat-Able™ Protein assay preparation reagent set eliminates interfering substances from protein assay samples to make them compatible with BCA and Bradford assays.

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ViaFluor® 488 live cell microtubule stain 1000X in DMSO

Supplier: Biotium

Stain microtubules in live cells with green fluorescence.

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MESG *Phosphate Assay Reagent*

MESG *Phosphate Assay Reagent*

Supplier: AAT BIOQUEST

In the presence of inorganic phosphate MESG is converted to 2-amino-6-mercapto-7-methlpurine by purine nucleoside phosphorylase (EC 2.4.2.1) with absorption wavelength shift to red.

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Green long-term cell tracer, CYTO-ID®

Supplier: ENZO LIFE SCIENCES

Live cell fluorescent labelling used for a long term cell viability, cytotoxicity, cell adhesion, cell migration, and cell-cell fusion studies.

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CellBrite™ NIR cytoplasmic membrane dyes

CellBrite™ NIR cytoplasmic membrane dyes

Supplier: Biotium

Biotium’s CellBrite™ NIR Cytoplasmic Membrane Dyes are near-infrared lipophilic carbocyanine dyes for labeling cytoplasmic membranes in live or formaldehyde-fixed cells.

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FLUOR DE LYS® HDAC6 fluorometric drug discovery kit

Supplier: ENZO LIFE SCIENCES

A Fluor-de-Lys® fluorescent assay system. The HDAC6 Fluorescent Activity Assay/Drug Discovery Kit is a complete assay system designed to measure the lysyl deacetylase activity of the recombinant human HDAC6 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. The Fluor de Lys® HDAC6 assay is based on the Fluor de Lys® Substrate and Fluor de Lys® Developer combination. The assay procedure has two steps. First, the Fluor de Lys® Substrate, which comprises an acetylated lysine side chain, is incubated with HDAC6. Deacetylation of the substrate sensitizes the substrate so that, in the second step, treatment with the Fluor de Lys®Developer produces a fluorophore.

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Mitochondria/cytosol fractionation kit

Supplier: ENZO LIFE SCIENCES

For the effective isolation of a highly enriched mitochondrial fraction from the cytosolic fraction of various mammalian cells including both apoptotic an non-apoptotic cells. The enriched mitochondrial and cytosolic fractions can be used to study apoptosis and signal trasduction pathways by detecting translocations of factors of interest between the two fractions by ELISA, Western blot or other assays.

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MycoLight™ Flow Cytometric Live Bacteria Assay Kit

MycoLight™ Flow Cytometric Live Bacteria Assay Kit

Supplier: AAT BIOQUEST

The MycoLight Flow cytometric live bacteria assay kit provides an easy and convenient method for evaluating bacterial vitality as a function of the intracellular esterase activity.

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COX Colorimetric Inhibitor Screening Assay Kit

COX Colorimetric Inhibitor Screening Assay Kit

Supplier: Cayman Chemical

A colorimetric assay for the screening of isozyme-specific inhibitors.

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Apoptosis/Necrosis Detection Kits, for microscopy and flow cytometry, GFP-Certified™

Apoptosis/Necrosis Detection Kits, for microscopy and flow cytometry, GFP-Certified™

Supplier: ENZO LIFE SCIENCES

GFP-Certified™ Apoptosis/Necrosis Detection Kit is a multiplex assay that distinguishes between healthy, early apoptotic, late apoptotic and necrotic cells, compatible with GFP and other green fluorescent probes.

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Cell Meter™ Cell Viability Assay Kit *Blue Fluorescence*

Cell Meter™ Cell Viability Assay Kit *Blue Fluorescence*

Supplier: AAT BIOQUEST

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

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Acetyltransferase activity kit

Supplier: ENZO LIFE SCIENCES

For the measurement of acetyl-CoA dependent acetyltransferase activity in purified in vitro samples that do not contain reductants from any species.

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Nitric oxide reagents and kits

Nitric oxide reagents and kits

Supplier: Biotium

Nitric oxide donors, nitric oxide synthase inhibitors and nitric oxide detection reagents and kits for nitric oxide (NO) studies.

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RedDot™1 Far-Red Nuclear Stain, 200X in Water, Biotium

RedDot™1 Far-Red Nuclear Stain, 200X in Water, Biotium

Supplier: Biotium

RedDot™1 is a far-red cell membrane-permeable nuclear dye similar to Draq5™. The dye is ideal for specifically staining the nuclei of live cells.

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FLUOR DE LYS® HDAC3/NCOR1 fluorometric drug discovery kit

Supplier: ENZO LIFE SCIENCES

The HDAC3/NCOR1 Fluorescent Activity Assay/Drug Discovery Kit is a complete assay system designed to measure the lysyl deacetylase activity of the recombinant human HDAC3 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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Screen Quest™ 10X Calcium Assay Buffer with Phenol Red Plus™

Screen Quest™ 10X Calcium Assay Buffer with Phenol Red Plus™

Supplier: AAT BIOQUEST

Ready-to-use buffer that is optimised for calcium assays.

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PhosphoWorks™ Colorimetric ATP Assay Kit

PhosphoWorks™ Colorimetric ATP Assay Kit

Supplier: AAT BIOQUEST

Adenosine triphosphate (ATP) plays a fundamental role in cellular energetics, metabolic regulation and cellular signaling.

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SOD activity kit

Supplier: ENZO LIFE SCIENCES

ELS offers a large collection of superoxide dismutase products for oxidative stress research.

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RedDot™2 Far-Red Nuclear Stain, 200X in DMSO, Biotium

RedDot™2 Far-Red Nuclear Stain, 200X in DMSO, Biotium

Supplier: Biotium

RedDot™2 is a far-red cell membrane-impermeant nuclear dye similar to Draq7™. Ideal for staining the nuclei of dead or fixed and permeabilized cells with minimal cytoplasmic RNA staining.

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Compat-Able™ BCA™ Protein assay kit

Compat-Able™ BCA™ Protein assay kit

Supplier: Thermo Fisher Scientific

The Compat-Able™ Reagents remove salts, detergents, reducing agents and other substances from protein samples to eliminate interference with protein assays. The protocol selectively precipitates all of the protein, thereby allowing the non-protein components to be easily decanted and removed. The purified, precipitated protein is redissolved in water, making it ready for accurate determination of the protein concentration by standard protein assay methods. The procedure is accomplished in less than 10 min with just a few simple steps. The Compat-Able™ Preparation Set is available conveniently bundled with the Pierce BCA™ Protein Assay Kit.

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Ubiquitin activating kit

Supplier: ENZO LIFE SCIENCES

Ubiquitin Activating Kit for activation of ubiquitin for use in ubiquitinylation experiments. The kit provides the means of generating thioester linked, activated ubiquitin-E1 conjugates, utilising the first step in the ubiquitin cascade, for investigation of ubiquitin activation, subsequent ubiquitin transfer to/interaction with E2 conjugating enzymes, and their use in the ubiquitinylation of E3 ligases and target substrate proteins. Ubiquitin antibody provided allows high sensitivity detection of ubiquitin and ubiquitin-conjugates.

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Cell Meter™ Caspase 3/7 Activity Apoptosis Assay Kit *Green Fluorescence*

Cell Meter™ Caspase 3/7 Activity Apoptosis Assay Kit *Green Fluorescence*

Supplier: AAT BIOQUEST

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

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Cell Meter™ Caspase 8 Activity Apoptosis Assay Kit *Blue Fluorescence*

Cell Meter™ Caspase 8 Activity Apoptosis Assay Kit *Blue Fluorescence*

Supplier: AAT BIOQUEST

Our Cell Meter™ assay kits are a set of tools for monitoring cellular functions.

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Coomassie (Bradford) protein assay kit, Pierce™

Coomassie (Bradford) protein assay kit, Pierce™

Supplier: Thermo Fisher Scientific

The Pierce™ Coomassie (Bradford) Protein Assay Kit is a ready-to-use, stable formulation of the traditional Bradford assay reagent to measure (A595 nm) total protein concentration compared to a protein standard.

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Cytoplasmic membrane labelling kits, CellBrite™

Cytoplasmic membrane labelling kits, CellBrite™

Supplier: Biotium

CellBrite kits are designed to label cell cytoplasmic membranes with a fluorescent membrane dye pre-dissolved as an optimised staining solution. By combining CellBrite membrane stains, it is possible to label multiple cell populations with distinctive colours, a capability useful for the studies of cell-cell interactions.

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PhosphoWorks™ Fluorimetric ATP Assay Kit

PhosphoWorks™ Fluorimetric ATP Assay Kit

Supplier: AAT BIOQUEST

Adenosine triphosphate (ATP) plays a fundamental role in cellular energetics, metabolic regulation and cellular signaling.

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Cell Meter™ Cell Proliferation Assay Kit

Cell Meter™ Cell Proliferation Assay Kit

Supplier: AAT BIOQUEST

The kit does not require cell lysis, long incubations or removal of cells with minimal hands-on time. It is compatible with high throughput screening.

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IHC tissue primer

Supplier: ENZO LIFE SCIENCES

Immunohistochemistry tissue primer is an enzyme blocking reagent.

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