About: http://webisa.webdatacommons.org/440415041

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	The particles can have a diameter or less than 500 nanometers, such as less than 250 nanometers or less than 100 nanometers.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com