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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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VWR® Bradford Method Protein Assay Kit

Supplier: VWR
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. The standard protocol is used for measuring 10-100 μg of protein and the microassay is used for measuring 1-10 μg of protein. For maximum convenience, Bradford Reagent and 0.5 mg/ml BSA standard solution are offered individually or as components of a kit.

SDS Certificates

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sparQ RNA-Seq HMR Kits

Supplier: Quantabio
Description: Ultra FAST RNA library prep with integrated rRNA and globin depletion.

New Product

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qScript® Ultra Flex Kits, Quantabio

Supplier: Quantabio
Description: Faster, longer, tougher next gen cDNA synthesis with flexible priming.

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AzureRed Fluorescent Protein Stain, Azure BioSystems

Catalog Number: (10147-342)
Supplier: Azure Biosystems
Description: AzureRed Fluorescent Protein Stain is a quantitative total protein stain for blots and blots with the sensitivity to detect less than 1 ng of protein per band or spot

SDS Product available on GSA Advantage®


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HIGHDEF® Green AP Chromogen/Substrate, Enzo Life Sciences

Catalog Number: (76196-688)
Supplier: Enzo Life Sciences
Description: High definition IHC chromogen producing brilliant green color for AP-activated development.
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Mouse EGFR ELISA Kit, Rockland Immunochemicals

Catalog Number: (76237-528)
Supplier: Rockland Immunochemical
Description: Mouse EGFR AccuSignal ELISA Kit
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Rat HGF ELISA Kit, Rockland Immunochemicals

Catalog Number: (76237-490)
Supplier: Rockland Immunochemical
Description: Rat HGF AccuSignal ELISA Kit
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Human Livin ELISA Kit, Rockland Immunochemicals

Catalog Number: (76237-500)
Supplier: Rockland Immunochemical
Description: Human Livin AccuSignal ELISA Kit
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Rat IGFBP5 ELISA Kit, Rockland Immunochemicals

Catalog Number: (76237-484)
Supplier: Rockland Immunochemical
Description: Rat IGFBP5 AccuSignal ELISA Kit
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AccuSignal DNA Damage (8-OHdG) ELISA Kit, Rockland Immunochemicals

Catalog Number: (76237-546)
Supplier: Rockland Immunochemical
Description: AccuSignal DNA Damage 8-hydroxy-2-deoxy Guanosine (8-OHdG) ELISA Kit
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Human CXCL6 - GCP2 ELISA Kit, Rockland Immunochemicals

Catalog Number: (76237-558)
Supplier: Rockland Immunochemical
Description: Human CXCL6 - GCP2 AccuSignal ELISA Kit
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Human Relaxin 3 ELISA Kit, Rockland Immunochemicals

Catalog Number: (76237-648)
Supplier: Rockland Immunochemical
Description: Human Relaxin 3 AccuSignal ELISA Kit
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Human HGF ELISA Kit, Rockland Immunochemicals

Catalog Number: (76237-576)
Supplier: Rockland Immunochemical
Description: Human HGF AccuSignal ELISA Kit
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Human COMT ELISA Kit, Rockland Immunochemicals

Catalog Number: (76237-646)
Supplier: Rockland Immunochemical
Description: Human COMT AccuSignal ELISA Kit
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Human OSM - Oncostatin M ELISA Kit, Rockland Immunochemicals

Catalog Number: (76237-594)
Supplier: Rockland Immunochemical
Description: Human OSM - Oncostatin M AccuSignal ELISA Kit
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Mouse DKK1 ELISA Kit, Rockland Immunochemicals

Catalog Number: (76235-686)
Supplier: Rockland Immunochemical
Description: Mouse DKK1 AccuSignal ELISA Kit
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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 at 1-800-932-5000.
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 at 1-800-932-5000.
To process your orders without delay, please provide the required business documentation to purchase this product.

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  • State issued document with your organization's Federal Tax ID Number
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  • City or County issued Business License
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  • Any other ID issued by the State that includes the business name & address

* ATTN: California Customers may require additional documentation as part of the CA Health & Safety Code. Products that fall under this regulation will be placed on a mandatory 21-day hold after documentation is received. VWR will not lift restrictions for residential shipping addresses.

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