PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23939290-2 2013 PyDPP was polymerized with bithiophene (BT) to afford a low band-gap copolymer (PBTPyDPP) which was used as an electron donor of the active layer in polymer solar cells. 2,2'-Bithiophene 27-38 dentin sialophosphoprotein Homo sapiens 80-88