About: http://webisa.webdatacommons.org/312460929

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	This obviously avoids the undesired co-purification of toxic contaminants (e.g., viruses) or other types of contaminants, for example, proteins that would complicate purification.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com