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Antibodies & Immunoassays

Antibodies against 13,000 different proteins in stock for next day delivery.

Chromotek Nanobody-Based Reagents

Ideal for immunoprecipitation, immunofluorescence, live-cell imaging, biosensor assays, and protein purification.


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About Proteintech

Founded in 2001 by scientists, Proteintech is a leading manufacturer of antibodies, proteins, nanobodies, and immunoassays. Proteintech has the largest proprietary portfolio of self-manufactured antibodies covering two-thirds of the human proteome. Proteintech products have been cited over 250,000 times in journals worldwide and enable scientists to publish reliable and reproducible results.