PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16270586-1 2005 A simple and sensitive spectrophotometric method for the determination of human serum albumin (HSA) was established based on the ternary complex-formation reaction of HSA with o-sulfophenylfluorone (SPF) as a xanthene dye and metal ion (niobium(V) and bismuth(III)) in the presence of a dispersion agent. Niobium 237-244 albumin Homo sapiens 80-93