About: http://webisa.webdatacommons.org/21343540

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 loading buffer may also contain a chaotropic agent such as urea or guanidine hydrochloride, preferably urea, at a concentration of about 1 to 5 M.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com