About: http://webisa.webdatacommons.org/228152140

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	One drawback is that the coating charge would have to be balanced to the native surface charge at a particular pH, thus limiting their usefulness especially in the case of isoelectric focusing (where a pH gradient is utilized).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com