#newtoolsforbetterresearch Part of Proteintech Group. ChromoTek pioneered the development and commercialization of alpaca Nanobodies. As a market and product leader for high quality and reliable Nanobody-based reagents, we assist scientists’ research world-wide. In addition, ChromoTek is a trusted service provider of custom-made Nanobodies for the pharmaceutical industry. Founded in 2008 ChromoTek has offices in Martinsried, Germany, and Hauppauge, NY. In contrast to traditional antibodies Nanobodies consist of only one single polypeptide chain; they are 15 kDa and the smallest antibodies known.