About: http://webisa.webdatacommons.org/362825154

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	Most commercial SPR instruments comprise a sample introduction device or sensor that includes a semispherical dielectric prism coated with a thin layer (50 nm) of a noble metal such as Au or Ag.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com