Duolink reagent kit The Duolink reagent kit, based on in situ PLA enables you to detect and individually count single endogenous proteins, protein-protein interactions and protein phosphorylations or other modifications. The assay can be run on slides or microtiter plates. Simply use your optimized primary antibodies to reveal heterodimers, intra-cellular signaling mechanisms and receptor activation events. Find out more Proseek Does your protein assay consume too much of your precious sample? Is long assay development time slowing down your research? Proseek® is a user friendly, open format reagent kit system for the detection and quantification of proteins in solution. It offers the same level of simplicity and openness as ELISA but enables you to make better use of your precious samples. It also delivers excellent assay performance from a simple working procedure. The simple technology concept, open format and broad dynamic range allow rapid and easy testing of antibody suitability. With very little optimization required, new assays can be developed for any target protein within a day. Find out more