You Searched For: 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.

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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Catalog Number: (1B1301-KIT)
Supplier: VWR Chemicals
Description: 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.
UOM: 1 * 1 KIT


Catalog Number: (M172-1L)
Supplier: VWR Chemicals
Description: The Bradford protein assay is the preferred colorimetric assay for quantifying total protein concentration. Based upon complex formation between basic and aromatic amino acid residues with Coomassie® Brilliant Blue G-250 dye, the Bradford method is easier, faster, and more sensitive than the Lowry method.
UOM: 1 * 1 L

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Catalog Number: (1B1558-KIT)
Supplier: VWR Chemicals
Description: Fluorescent DNA Quantitation Kit uses fluorescent bisBenzimide H33258 dye to bind to AT sequences of the minor groove of double-stranded DNA. In the assay, the sample is excited at 360 nm and when the dye binds to dsDNA an emission spectrum at 460 nm is produced.
UOM: 1 * 1 KIT


Supplier: SIGMA ALDRICH MICROSCOPY
Description: 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.

Catalog Number: (GAHK20-1KT)
Supplier: Merck
Description: The Glucose (HK) Assay Kit is for the quantitative, enzymatic determination of glucose in food and other material.
UOM: 1 * 1 items


Supplier: Cayman Chemical
Description: Latanoprost ELISA kit is a sensitive detection method for measuring the free acid form of latanoprost. It also detects the isopropyl ester form of latanoprost, but with less sensitivity.

Supplier: Molecular Devices
Description: The FLIPR® Membrane Potential Assay Kit provide a fast, simple and reliable, fluorescence-based assay for detecting changes in voltage across the cell membrane and its homogenous fluorescence-based formulations for observation of real-time membrane potential changes associated with ion channel activation and ion transporter proteins.

Supplier: G-Biosciences
Description: These 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 agents (dithiothreitol (DTT), ß-mercaptoethanol and TCEP), detergents, chelating agents, amines, sugars, strong chaotropic buffers, salts, drugs, antibiotics, cobalt and other common laboratory agents.

Catalog Number: (ORIGTR30038)
Supplier: OriGene
Description: One-Wash™ Lentivirus Titer Kit, p24 ELISA for quantitative detection of HIV-1 p24 antigen in cell culture supernates for lentiviral particles titration.
UOM: 1 * 1 KIT


Supplier: Cayman Chemical
Description: For direct quantification of cAMP from a variety of biological samples.

Catalog Number: (ENZOALX850326KI01)
Supplier: ENZO LIFE SCIENCES
Description: Histone acetyltransferases (HATs) have been implicated to play a crucial role in various cellular functions, such as gene transcription, differentiation, and proliferation. HAT Activity Colorimetric Assay Kit offers a convenient, nonradioactive system for a rapid and sensitive detection of HAT activity in mammalian samples.
UOM: 1 * 100 Tests

New Product


Supplier: ENZO LIFE SCIENCES
Description: 5' GMP standard

New Product

Catalog Number: (ENZOADI960072)
Supplier: ENZO LIFE SCIENCES
Description: For the quantitative determination of PDI in cell lysates, culture supernatants, plasma, and tissue of human, mouse, and rat origin.
UOM: 1 * 1 SET

New Product


Catalog Number: (BSBTEK1171)
Supplier: BosterBio
Description: Sandwich high sensitivity ELISA kit for quantitative detection of human SP-D.
UOM: 1 * 1 KIT


Catalog Number: (BSBTEK1446)
Supplier: BosterBio
Description: Sandwich high sensitivity ELISA kit for quantitative detection of human ADA.
UOM: 1 * 1 KIT


Supplier: Cayman Chemical
Description: Sensitive ELISA for vitamin D quantification in plasma or serum.

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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us on 0800 22 33 44
Additional Documentation may be needed to purchase this item. A VWR representative will contact you if needed.
Additional Documentation may be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organisation. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
Product(s) marked with this symbol are discontinued - sold till end of stock. Alternatives may be available by searching with the VWR Catalogue Number listed above. If you need further assistance, please call VWR Customer Service on 0800 22 33 44.
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