Assertion: trypsin | /r/HasProperty | confirmed with spectrophotometric assay
Facets:
value: at l280
type: TEMPORAL
Source sentences:
text: These gauze pieces and the trypsin solution (prepared with a buffer solution) were incubated, at 4 ºC, for 18 h and, finally, washed with physiological solution, until the washing solution was free of trypsin, which was confirmed with a spectrophotometric assay at l280