PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21548084-0 2011 Ultrasensitive determination of cysteine based on the photocurrent of nafion-functionalized CdS-MV quantum dots on an ITO electrode. perfluorosulfonic acid 70-76 CDP-diacylglycerol synthase 1 Homo sapiens 92-95