Proteopure, Inc. (Proteopure) is a biotechnology company engaged in the development and marketing of sample preparation kits for proteomic research. It uses a novel protein capture technology to bind proteins and separate it out from various contaminants, including salts, nucleic acids and detergents. In addition, the protein capture technology eliminates precipitation-related losses and produces better results for scientists to understand cell functions and discover new biomarkers and drug targets. Proteopure is headquartered in Pennsylvania, the US.