PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19904984-6 2009 However, the CR reaction is spin-selective and produces the singlet ground state and both (3*)An and (3*)NI. Chromium 13-15 spindlin 1 Homo sapiens 28-32 19904984-8 2009 MFEs and TREPR experiments were used to measure the spin-spin exchange interaction, 2J, which is directly related to the electronic coupling matrix element for CR, V(CR)(2). Chromium 160-162 spindlin 1 Homo sapiens 52-56 19904984-8 2009 MFEs and TREPR experiments were used to measure the spin-spin exchange interaction, 2J, which is directly related to the electronic coupling matrix element for CR, V(CR)(2). Chromium 160-162 spindlin 1 Homo sapiens 57-61