About: http://webisa.webdatacommons.org/182277451

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	Poly(ethylene glycol), poly(vinyl pyrrolidone), polyacrylamide, poly(hydroxyethyl methacrylate), and copolymers of the foregoing, are examples of polymers that may be used to make hydrogels.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr