QconCATs are heavy isotope labelled reference standards for absolute protein quantification using mass spectrometry. Our proprietary technology facilitates parallel quantification of dozens of proteins in a single experiment and can be applied to diagnostics, biomarker validation, drug development, food safety, clinical studies etc. QconCATs are custom-made for individual applications based on the customer’s requirements, delivering sensitive and reproducible results. Customer's can build on PolyQuant's over 15 years of experience to design the optimal standard for their application.