About: http://webisa.webdatacommons.org/134757319

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	Therefore, backward elution mode was used.System carryover was a particular concern when developing assays utilizing on-line SPE methodology.
http://www.w3.org/ns/prov#wasQuotedFrom	mdpi.com