Assertion: proline | /r/HasProperty | added
Facets:
value: subsequently
type: TEMPORAL
Source sentences:
text: Proline was added subsequently to complex I substrates.
text: When proline was added, the unlabeled alanine m0 fraction of the 260, 232, and 158 [m/z] fragment ions doubled from 1.8, 1.8, and 2.2% to 3.8, 3.4, and 4.0%, respectively (see Additional file 1: Table S4).