The Octet Anti-HIS HIS2 Biosensors are coated with high affinity high specificity Anti-HIS antibody and offer a label-free method for HIS-tagged protein quantitation. The high specificity of the antibody-based biosensor enables the direct quantitation of HIS-tagged proteins in crude lysates column eluents and cell culture supernatants thus serving as an alternative to traditional time-consuming analytical methods such as HPLC and ELISA. Flexible Applications The Octet Anti-HIS HIS2 Biosensors are qualified specifically for quantitation of HIS-tagged recombinant proteins and offer unparalleled ease of use and time-to-result in a wide range of applications such as: Protein expression monitoring Cell line development and optimization