PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 26898857-1 2016 We study the orientation of water and urea molecules and protein amide vibrations at aqueous alpha-lactalbumin and alpha-lactalbumin/urea interfaces using heterodyne-detected vibrational sum frequency generation. Urea 38-42 lactalbumin alpha Homo sapiens 115-132