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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 behaviour 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 behaviour than what can be handled by traditional chemical analysis and titration.


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Leverancier: Cayman Chemical
Omschrijving: A competitive assay for measurement of enterolactone in plasma, urine, and other biological sample matrices.

Leverancier: Biotium
Omschrijving: This kit is designed to measure firefly luciferase activity in transfected cell reporter assays.

Leverancier: G-Biosciences
Omschrijving: The Bicinchoninic Acid (BCA) Protein Assay is a highly sensitive colorimetric assay that is compatible with detergent solubilised protein solutions, however is dramatically affected by the presence of reducing agents, including DTT, ß-mercaptoethanol and TCEP.

Catalogus nummer: (23006.)
Leverancier: Biotium
Omschrijving: Flow Cytometry Fixation/Permeabilisation Kit contains optimally formulated buffers for fixation and permeabilisation of suspension cells for immunofluorescence staining of intracellular antigens for analysis by flow cytometry. The bufffers are also available separately.
UOM: 1 * 1 EA

Leverancier: Molecular Devices
Omschrijving: CatchPoint™ cAMP Fluorescent Assay Kit measures cAMP levels via a competitive immunoassay format. Cell signaling via G protein-coupled receptors (GPCRs) can be assessed by monitoring the downstream effectors calcium or Cyclic AMP (cAMP). Monitoring levels of cAMP, a second messenger produced in response to activation of adenylate cyclase, is one of the most common ways to screen for agonists and antagonists of GPCRs.

Catalogus nummer: (CAYM10005020-96)
Leverancier: Cayman Chemical
Omschrijving: The Protein Carbonyl Colorimetric Assay Kit is for the measurement of oxidised proteins. Protein samples are derivatised by making use of the reaction between 2,4-dinitrophenylhydrazine and protein carbonyls.
UOM: 1 * 1 EA


Leverancier: G-Biosciences
Omschrijving: The femtoELISA™ kits utilise a non animal protein blocker, NAP-BLOCKER™ that minimises cross-reactivity with researcher's antigens and antibodies. For the detection of HRP, an improved, ultra sensitive, non volatile, stable colorimetric substrate based on tetramethyl benzidine (TMB) is supplied. Reagent does not require hydrogen peroxide that can have detrimental effects on many biological factors, which may ultimately affect the assays.

Leverancier: Molecular Devices
Omschrijving: The FLIPR® Calcium 4 Assay Kit provides a fast, simple and reliable fluorescence-based assay for detecting changes in intracellular calcium.

Catalogus nummer: (CAYM10009779-192)
Leverancier: Cayman Chemical
Omschrijving: Cholesterol Cell-Based Detection Assay Kit is a 192-well assay for measurement of cholesterol.
UOM: 1 * 1 Kit


Leverancier: Biotium
Omschrijving: 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.
Catalogus nummer: (30050.)
Leverancier: Biotium
Omschrijving: Cell proliferation dyes diffuse passively into cells and covalently label intracellular proteins, resulting in long term cell labelling. They are non-fluorescent until they are hydrolysed by intracellular esterase's. The dyes then react with intracellular amines forming fluorescent conjugates that are retained in the cell. Immediately after staining, a single, bright fluorescent population will be detected by flow cytometry. With each cell division, daughter cells inherit roughly half of the fluorescent label, allowing the number of cell divisions that occur after labelling to be detected by the appearance of successively dimmer fluorescent peaks on a flow cytometry histogram compared to cells analysed immediately after staining. Staining is formaldehyde fixable.
UOM: 1 * 1 Kit


Catalogus nummer: (32001.)
Leverancier: Biotium
Omschrijving: The Bacterial Viability and Gram Stain Kit contains three components: CF™488A-WGA, DAPI, and EthD-III solutions for distinguishing between gram-negative and gram-positive, as well as live versus dead bacteria.
UOM: 1 * 1 Kit


Leverancier: G-Biosciences
Omschrijving: RED 660™ Protein Assay is a single reagent colorimetric assay that outperforms many commercial colorimetric assays, including Bradford and improved Coomassie/Bradford assays. It offers greater linearity, colour stability, and compatibility with detergents, reducing agents and other interfering agents compared to the Coomassie assays. The single, ready to use reagent allows for rapid analysis of total protein concentration and generates highly reproducible results.

Leverancier: Cayman Chemical
Omschrijving: For the quantification of LTC₄ in culture media and other sample matrices.

Catalogus nummer: (CAYM701220-192)
Leverancier: Cayman Chemical
Omschrijving: For the determination of total calcium concentration in a variety of biological samples, as well as tissue homogenates and cell lysates.
UOM: 1 * 1 EA


Leverancier: ENZO LIFE SCIENCES
Omschrijving: The PATHO-GENE® HPV type 6/11 probe is a mixture of biotin-labeled HPV 6 and HPV 11-specific probes in buffered formamide and hybridisation enhancers.

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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.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at Regulatory_Affairs@vwr.com
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