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Merck

MAK171

Sigma-Aldrich

Colorimetric Biotin Assay Kit

sufficient for 200 colorimetric assays

Sinónimos:

Biotin Quantitation Kit

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About This Item

EC Number:
UNSPSC Code:
12352203
NACRES:
NA.84

detection method

colorimetric

relevant disease(s)

dermatological diseases; neurological disorders

shipped in

dry ice

storage temp.

−20°C

General description

Biotinylation is the process of labelling a molecule with a biotin molecule to take advantage of the strong binding and high specificity of biotin and streptavidin for purification or detection applications. Biotinylation is typically used to label proteins or nucleic acid based targets for these applications. Quantitation of biotinylation can be used to optimize the labelling of a given target. Levels of biotinylation can effect detection sensitivity or functionality of a purification product.

Suitability

Suitable for estimating the molar ratio of biotin to protein in biotin-protein conjugates or for quantitating biotin concentration in a solution

Principle

This Colorimetric Biotin Quantitation Kit provides a convenient method for estimating the molar ratio of biotin to protein in biotin-protein conjugates or for quantitating biotin concentration in a solution. The assay utilizes HABA (4′-hydroxyazobenzene-2-carboxylic acid), a reagent that shows dramatic spectral changes when bound to avidin. Biotin easily displaces HABA from the HABA/Avidin complex, resulting in a decrease of absorption at 500 nm.

Preparation Note

Storage and Stability: The kit is shipped on dry ice and storage at –20 °C, protected from light, is recommended.

Precautions and Disclaimer
: This product is for R&D;use only, not for drug, household, or other uses. Please consult the Safety Data Sheet for information regarding hazards and safe handling practices.

Storage Class

10 - Combustible liquids


Certificados de análisis (COA)

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Visite la Librería de documentos

High-throughput biotinylation of proteins.
High Throughput Protein Expression and Purification, 185-198 (2009)
Site-specific biotinylation of purified proteins using BirA.
Fairhead M and Mark H
Site-Specific Protein Labeling, 171-184 (2015)
Imre Gaspar et al.
Bio-protocol, 8(5), e2750-e2750 (2018-03-05)
Arrays of short, singly-labeled ssDNA oligonucleotides enable in situ hybridization with single molecule sensitivity and efficient transcript specific RNA capture. Here, we describe a simple, enzymatic protocol that can be carried out using basic laboratory equipment to convert arrays of

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