PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17388277-1 2007 The interaction of NO3 free radical and N2O5 with laboratory flame soot was investigated in a Knudsen flow reactor at T = 298 K equipped with beam-sampling mass spectrometry and in situ REMPI detection of NO2 and NO. radical 28-35 NBL1, DAN family BMP antagonist Homo sapiens 19-22