Assertion: differential centrifugation | /r/HasProperty | insufficient
Facets:
Source sentences:
text: Because MWCNTs could form larger agglomerates, and due to the observed agglomerates of bacteria and MWCNTs by optical microscopy ( Figure 1 a), repetitive washing and differential centrifugation were insufficient for separation of bacteria from MWCNT agglomerates (data not shown).