This kit teaches three methods of protein estimation - Biuret, Lowry and Coomassie Dye Protein Assays. Perform protein assays, including protein standards for accurate quantification, in a single lab activity with the reagents supplied in this kit. An often underestimated factor in quantifying protein is the presence of non-protein interfering agents, such as salts and detergents. This kit teaches students about common laboratory agents that affect the protein assays, the reasoning behind their interferences, and how to overcome the interference. Students also learn how to select a protein assay for different applications. Requires spectrophotometer, microplate, and cuvettes or microplate reader.