Assertion: free histidine | /r/HasProperty | removed
Facets:
value: by dialyzing the samples
type: MANNER
Source sentences:
text: Free histidine was removed by dialyzing the samples at 4°C against 10 m MOPS buffer, pH 7.0, containing 0.1% sodium azide, for 17 h, which decreases the concentration of free -[ 3 H]histidine to 1 n or less.