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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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Product Image-M172-1L

VWR®, Bradford protein assay, proteomics grade

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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Product Image-1B1301-KIT

VWR® Protein Precipitation Kit

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

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Product Image-1B1558-KIT

VWR® Fluorescent DNA Quantitation Kit

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
Image Unavailable-D8284-5G

Bicinchoninic acid disodium salt hydrate

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.

Image Unavailable-GAHK20-1KT

Glucose (HK) assay kit

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
Product Image-31070.

dsDNA quantitation kits for the Qubit® fluorometer, AccuGreen™, high-sensitivity and broad-range

Supplier: Biotium
Description: AccuGreen™ kit is specific for dsDNA and can quantify DNA samples in the range of 0,1 to 10 ng/μl.

Product Image-CAYM534721-480

15(S)-HETE ELISA kit

Supplier: Cayman Chemical
Description: 15(S)-HETE ELISA kit is a competitive assay for the measurement of 15(S)-HETE.

Product Image-70031.

Fluorescent nerve terminal probes and stains

Supplier: Biotium
Description: Nerve terminal probes are a series of fluorescent cationic styryl dyes developed to follow synaptic activity. These dyes have a lipophilic tail at one end and a hydrophilic cationically charged head group at the other end. The dyes vary in the number of carbons in the lipophilic tail (m) and the number of double bonds linking the two aromatic rings in the dye (n). AM dyes are similar to FM dyes, but contain an additional formaldehyde-fixable amino group in the cationic head.

Product Image-CAYM10009658-96

Practice ELISA kit

Catalog Number: (CAYM10009658-96)
Supplier: Cayman Chemical
Description: A great alternative to learn Cayman’s AChE ELISA technology.
UOM: 1 * 1 KIT
Product Image-CAYM700190-96

β-Hydroxybutyrate (Ketone Body) Assay Kit

Catalog Number: (CAYM700190-96)
Supplier: Cayman Chemical
Description: A sensitive tool for measuring β-HB levels in plasma, serum, or urine.
UOM: 1 * 1 items
Product Image-CAYM10007819-96

SREBP-2 transcription factor assay kit

Catalog Number: (CAYM10007819-96)
Supplier: Cayman Chemical
Description: 96 well assay for measurement of SREBP-2.
UOM: 1 * 1 KIT
Product Image-40060-1

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

Supplier: Biotium
Description: 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.

SDS

Product Image-CAYM512041-480S

Prostaglandin D₂ Express ELISA kit

Supplier: Cayman Chemical
Description: Prostaglandin D₂ Express ELISA kit is a competitive assay that can be used for quantification of PGD₂.

Product Image-CAYM501001-480

tetranor-PGDM ELISA kit

Supplier: Cayman Chemical
Description: A competitive assay for the quantification of tetranor-PGDM in urine.

Product Image-CAYM10009292-480

Leukotriene B₄ Express ELISA kit

Supplier: Cayman Chemical
Description: A competitive assay that can be used for quantification of LTB₄ in plasma and other sample matrices.

Product Image-CAYM700320-96

Uric acid assay kit

Catalog Number: (CAYM700320-96)
Supplier: Cayman Chemical
Description: Uric Acid Assay Kit is used to measure uric acid in serum, plasma and urine.
UOM: 1 * 1 items
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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.
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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