PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25736430-1 2015 Case study of PEO and its PPO-PEO diblock copolymers. copolymers 42-52 protoporphyrinogen oxidase Homo sapiens 26-29 25736430-2 2015 Stability and reorganization in Langmuir films of PEO in PEO homopolymers and PPO-PEO block copolymers were investigated using film balance measurements. copolymers 92-102 protoporphyrinogen oxidase Homo sapiens 78-81