About: http://webisa.webdatacommons.org/127616979

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	Marking particles according to claim 1 wherein the spiropyran material is of the formula wherein n is an integer of from about 2 to about 8.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es