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19403 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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Free Fatty Acid Fluorometric Assay Kit

Free Fatty Acid Fluorometric Assay Kit

Supplier: Cayman Chemical

A sensitive tool for measuring free fatty acids in plasma, serum, and urine.

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Screen Quest™ Luminometric Calcium Assay Kit

Screen Quest™ Luminometric 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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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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DuraClone Dry Unitized Antibody Panels For Flow Cytometry

DuraClone Dry Unitized Antibody Panels For Flow Cytometry

Supplier: Beckman Coulter

The dry DURAClone antibody panels are designed for clinical research studies. Every assay tube or well contains a layer with the dried-down antibody panel unitized for a single test.

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VWR® Protein Precipitation Kit

VWR® Protein Precipitation Kit

Supplier: VWR Chemicals

The Protein Precipitation Kit utilises a simple trichloroacetic acid (TCA) based method to precipitate proteins in complex mixtures. Only protein in the sample is pelleted, while interfering salts and surfactants remain in the supernatant. A gentle acetone wash removes TCA and co-precipitants allowing the end-user to recover the protein in a small volume of buffer.

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Pierce™ 660 nm Protein Assay Kit and Reagent

Pierce™ 660 nm Protein Assay Kit and Reagent

Supplier: Thermo Fisher Scientific

Pierce™ 660 nm Protein Assay is a ready to use, detergent- and reducing agent-compatible assay reagent to quickly measure (A660 nm) total protein concentration compared to a protein standard.

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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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Apoptosis and necrosis quantitation kits

Apoptosis and necrosis quantitation kits

Supplier: Biotium

Apoptosis and necrosis are two processes by which cells die. Apoptosis is an active, regulated disassembly of the cell from within. During apoptosis, phosphatidylserine is translocated from the inner to the outer surface of the cell, allowing the dying cell to be engulfed by phagocytic cells. Annexin V is a 35 kD Ca2+-dependent phospholipid binding protein with a high affinity for phosphatidylserine.

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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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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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BCA protein assay kit (BCA-PAK)

BCA protein assay kit (BCA-PAK)

Supplier: OZ BIOSCIENCES

BCA Protein Assay kit (BCA-PAK) is useful for colorimetric detection and quantification of total protein content, even in the presence of detergents.

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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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Bicinchoninic acid disodium salt hydrate

Supplier: SIGMA ALDRICH MICROSCOPY

Bicinchoninic acid is used for the determination of protein concentration. It is responsible for the making of intense purple complex with cuprous ion (Cu+) in the presence of alkaline conditions. The amount of Cu+ is in relation with the protein concentration.

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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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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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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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Cell Meter™ Caspase 9 Activity Apoptosis Assay Kit *Green Fluorescence*

Cell Meter™ Caspase 9 Activity Apoptosis Assay Kit *Green Fluorescence*

Supplier: AAT Bioquest

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

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Screen Quest™ Fluo-4 No Wash Calcium Assay Kit

Screen Quest™ Fluo-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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cAMP and cGMP conjugates

Supplier: Biotium

Conjugates for probing cAMP receptors or measuring cGMP in immunoassays.

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Myeloperoxidase fluorometric detection kit

Supplier: Enzo Life Sciences

The Myeloperoxidase fluorometric detection kit is a one-step no wash homogeneous activity assay that is adaptable to HTS applications. This kit offers highly sensitive fluorescent detection and the ability to monitor multiple time points to follow the kinetics of MPO activity.

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sPLA2 activity kit

Supplier: Enzo Life Sciences

For the quantitative determination of sPLA2 in culture supernatants, cell lysates, and buffers from any species.

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Autophagy detection tests, CYTO-ID®

Supplier: Enzo Life Sciences

CYTO-ID can monitor autophagy in live cells and autophagic flux in lysosomally inhibited live cells using a novel dye that selectively labels accumulated autophagic vacuoles.

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Quantitative peroxide assay kit (lipid), Pierce™

Quantitative peroxide assay kit (lipid), Pierce™

Supplier: Thermo Fisher Scientific

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

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Cell Meter™ Caspase 9 Activity Apoptosis Assay Kit *Red Fluorescence*

Cell Meter™ Caspase 9 Activity Apoptosis Assay Kit *Red Fluorescence*

Supplier: AAT Bioquest

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

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Auto-Ubiquitinylation Kit

Auto-Ubiquitinylation Kit

Supplier: Enzo Life Sciences

This E3 ligase auto-ubiquitinylation kit enables proteins to be tested for ubiquitin E3 ligase activity through assessment of their ability to under auto-ubiquitinylation. Utilizing the first three steps in the ubiquitin cascade the kit facilitates ubiquitinylation of known or putative E3 ligase enzymes followed by Western blot analysis using the highly sensitive reagents provided or using antibodies to the specific protein of interest (user supplied). A high integrity ubiquitin E3 ligase enzyme is also provided for use as a positive control.

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NUCLEAR-ID® green chromatin condensation detection kit

Supplier: Enzo Life Sciences

This kit provides a rapid assay for nuclear condensation, a prominent hallmark of apoptosis.A highly permeable green-emitting dye for enhanced detection of apoptosis-induced chromatin condensation.

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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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Mito-ID® Membrane potential cytotoxicity kit for microplates

Supplier: Enzo Life Sciences

A Real-time Mitochondrial membrane Potential Assay with Superior Sensitivity. Suitable for high-throughput applications.

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Live bacterial gram stain kit

Supplier: Biotium

Wheat germ agglutinin binds specifically to N-acetylglucosamine in the peptidoglycan layer of gram-positive bacteria. The Live Bacterial Gram Stain Kit contains wheat germ agglutinin (WGA) conjugated to CF™594 to stain the surface of gram-positive cells with red fluorescence. The kit also includes DAPI to stain the DNA of all bacteria with blue fluorescence. Gram-positive bacteria stained using this kit will show a fluorescent blue interior and fluorescent red cell surface, while gram-negative bacterial will be stained with blue fluorescence only.

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Catalase fluorometric detection kit

Supplier: Enzo Life Sciences

The Catalase fluorometric detection kit provides a higher throughput sensitive method for measuring catalase activity in just one hour. This is a homogeneous mix-and-read assay that enables you to monitor multiple time points for a kinetic read. Positive control is provided.

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