About: http://webisa.webdatacommons.org/60978905

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	Accordingly, a metal, a hydrophilic non-metallic material or a hydrophobic nonmetallic material coated with a thin film of hydrophilic material (e.g., PEG, PLURONICS or other hydrogels) may be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es