About: http://webisa.webdatacommons.org/174210434

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	Photoreactive agents have a characteristic light absorption waveband and react when exposed to light within that waveband by releasing free radicals and other chemicals.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com