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Assays


38,160  results were found
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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Catalog Number: (89141-118)

Supplier:  Enzo Life Sciences
Description:   For the quantitative determination of LTB4 in culture supernatants, plasma, saliva, and urine from any species

Supplier:  Enzo Life Sciences
Description:   For the quantitative determination of human Gastrin I in culture supernatants, plasma, and serum.
Supplier:  Enzo Life Sciences
Description:   For the quantitative determination of Complement C3a des arg in human EDTA plasma.
Catalog Number: (89141-066)

Supplier:  Enzo Life Sciences
Description:   Most sensitive (0.088pmol/m) colorimetric kit for extracellular cGMP quantification.
Supplier:  Enzo Life Sciences
Description:   The Sulforhodamine Multi-Caspase Activity Kit detects apoptosis through the covalent binding of a red fluorescent probe to active caspase enzymes in living cells. The sulforhodamine-labeled caspase inhibitor probe (SR-VAD-FMK; excitation at 550 nm and emission at 595 nm), comprising a sulforhodamine derivative of valylalanylaspartic acid fluoromethyl ketone (VAD-FMK), covalently binds to the reactive cysteine (Cys 285) on the large subunit of active caspase heterodimers. This probe is both cell permeable and non-cytotoxic during the time of the labeling procedure and allows detection of apoptosis by fluorescence microscopy, flow cytometry, and 96-well-plate based fluorometry. Use of the fluorescence microscope provides a qualitative view of the level of apoptosis induced as compared to the use of a fluorometer or a flow cytometer which will generate quantitative data. One kit includes enough reagent to test 100 samples. The Carboxyfluorescein Multi-Caspase Activity Kit for Apoptosis Detection is a related kit that contains a carboxyfluoroscein-labeled probe (Ex: 490 nm, Em: 520 nm).

Supplier:  Enzo Life Sciences
Description:   Based on the dye cresyl violet and the caspase 3/7 DEVD peptide recognition sequence, this kit allows the detection of caspases 3 and 7 in living cells by fluorescence microscopy.
Supplier:  Enzo Life Sciences
Description:   A QUANTIZYME® Assay System Complete assay system designed to examine the specificity of inhibitors against a panel of ten matrix metalloproteinase enzymes. The assays are performed in a convenient 96-well microplate format using a chromogenic substrate1,2 detected at 412nm. Included are active MMP enzymes, assay buffer, a prototypic control inhibitor (NNGH3), and a detailed instruction booklet.

Supplier:  Enzo Life Sciences
Description:   Based on the dye cresyl violet and the cathepsin K LeuArg peptide recognition sequence, this kit allows the detection of cathepsin K activity in living cells by fluorescence microscopy.

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

Supplier:  Enzo Life Sciences
Description:   For the quantitative determination of human sVEGFR-1 in cell culture supernatants, serum and other body fluids.
Supplier:  Enzo Life Sciences
Description:   Disruption of the mitochondrial transmembrane potential is one of the earliest intracellular events that occur following induction of apoptosis. The MitoCaptureâ„¢ Apoptosis Detection Kit provides a simple, fluorescent-based method for distinguishing between healthy and apoptotic cells by detecting the changes in the mitochondrial membrane potential.
Supplier:  Enzo Life Sciences
Description:   1. Ubiquitinylation of specific endogenous HeLa lysate proteins, followed by their immediate detection/analysis using antibodies to the protein/s of interest, indicating a particular protein is a substrate for the ubiquitin-proteasome pathway. 2. Ubiquitinylation of proteins of interest contained in exogenously added expression culture/cell extracts or tissue lysates/extracts, followed by their immediate detection/analysis or isolation/purification for use in subsequent experiments. 3. Modification of proteins using ubiquitin derivatives or mutants for improved detection/analysis or investigation of alternative (non-proteasomal) ubiquitin related pathways in subsequent experiments. For example, biotinylated-ubiquitin (Prod. No. BML-UW8705), for sensitive detection
Supplier:  Enzo Life Sciences
Description:   This kit has been designed for monitoring protein stability under systematic thermal stress conditions.
Supplier:  Enzo Life Sciences
Description:   The kit contains two proprietary dyes suitable for visualizing nucleoli and nuclei simultaneously in living cells.

Supplier:  Enzo Life Sciences
Description:   The ER-ID® Green assay kit is specifically designed for use with RFP- or OFP-expressing cell lines, as well as cells expressing blue or cyan fluorescent proteins (BFPs, CFPs).
MSDS SDS
Supplier:  Enzo Life Sciences
Description:   ER-ID® Red assay kit (GFP-CERTIFIED®) contains an endoplasmic reticulum-selective dye suitable for live cell, or detergent-permeabilized aldehyde-fixed cell staining.
MSDS SDS
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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.
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
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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