About: http://webisa.webdatacommons.org/274986547

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	contain absorbent or porous materials such as filter paper or porous plastic materials to control further the volume and/or rate of flow of the biological material through the channel.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com