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AnaSpec Introduces SensoLyte[R] Biotin Quantitation Assay Kit.

San Francisco, CA, August 20, 2010 --( In the first step, Reagent A, which is tagged with a quencher dye, is briefly incubated with biotin samples/standards. In the second step, fluorescent biotin, Reagent B, is added to assay mixture. The assay can detect between 2 to 20 picomoles of biotin in a sample. A biotinylated IgG for use as a positive control and a protease for optional protein digestion to expose hidden biotin groups are also included in the kit.

Biotin and avidin (or streptavidin) bind non-covalently with a higher binding affinity than most antigen-antibody interactions.1, 2 This very tight binding makes labeling proteins with biotin a useful tool for applications such as affinity chromatography and immunoanalytical methods. Reaction conditions for biotinylation are chosen such that the target molecule (e.g. an antibody) is labeled with sufficient biotin residues to purify or detect the molecule, but not too much that the biotin will interfere with the function of the molecule.


Angerer, L. et al. Cell. 9, 81-90 (1976).

Gitlin, G. et al. Biochem. J. 242,923 (1987).

About AnaSpec

AnaSpec is a leading provider of integrated proteomics solutions to the world's largest biotech, pharmaceutical, and academic research institutions. With a vision for innovation through synergy, AnaSpec focuses on three core technologies: peptides, detection reagents, and antibodies.

AnaSpec recently joined forces with Eurogentec to provide an even broader spectrum of products and services to serve the worldwide life science community.

For more information visit

About Eurogentec

Eurogentec is a leading global supplier of innovative reagents, kits, specialty products and custom services to scientists in the life science, biotechnology, pharmaceutical and diagnostic markets. Eurogentec provides a wide range of expertize in small- and large-scale DNA, RNA, PCR and qPCR kits, peptide synthesis and antibody supply for research applications. Our ISO13485:2003-certified manufacturing facilities in Belgium provides a wide range of high value oligonucleotide-based components for diagnostic and therapeutic applications. Eurogentec's Belgium manufacturing facility is complemented by additional production facilities in North America and Japan. Eurogentec is also an experienced Contract Manufacturing Organization (CMO) for Biopharmaceuticals, operating a full-service, state-of-the-art GMP facility in Belgium.

Eurogentec is a privately held company headquartered in Liege, Belgium, with subsidiaries in North America, France, Germany, the UK, the Netherlands and Switzerland and has additional production facilities in North America, Japan and Singapore. Eurogentec employs 400+ people globally.

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Contact Information:

AnaSpec, Inc.

Tiffany Kao

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Date:Aug 20, 2010
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