About: http://webisa.webdatacommons.org/13173129

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	Assessing the chemical integrity of an antigen at concentrations of approximately 100 ??g/mL is a real challenge and is time-consuming,??? using HPLC, isofocusing, capillary electrophoresis, and other process steps.
http://www.w3.org/ns/prov#wasQuotedFrom	genengnews.com