Assertion: fibril's mixture | /r/HasProperty | centrifuged for 30 min
Facets:
value: at 4 °c
type: TEMPORAL
value: at 18 000 g
type: OTHER
Source sentences:
text: The mixture was incubated for 20 min on ice and centrifuged for 30 min at 18 000 g at 4 °C.