Assertion: density gradient centrifugation | /r/HasProperty | the most efficient technique
Facets:
value: for extracting ciliates
type: PURPOSE
value: currently
type: TEMPORAL
Source sentences:
text: Percoll density centrifugation is currently the most efficient technique for extracting ciliates from fine-grained sediments, while the high cost and low density of Percoll limit its wide application.
text: Percoll density centrifugation is currently the most efficient technique for extracting ciliates from fine-grained sediments, while the high cost and low density of Percoll limit its wide application.