<http://webisa.webdatacommons.org/173650625>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/256760857>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/173650625> .
<http://webisa.webdatacommons.org/173650625>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/173650625>	<http://www.w3.org/ns/prov#value>	"Where particles or beads are employed, these may be separated from the supernatant before washing, by methods such as filtration, centrifugation, or magnetic separation." .