<http://webisa.webdatacommons.org/prov/297738889>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/216647699> .
<http://webisa.webdatacommons.org/216647699>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/216647699>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/216647699>	<http://www.w3.org/ns/prov#value>	"The blocking agent is a chemical that is capable of reducing deleterious side reactions such as cell surface modifications or protein modifications." .