<http://webisa.webdatacommons.org/prov/418599729>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/130516696> .
<http://webisa.webdatacommons.org/130516696>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.ca> .
<http://webisa.webdatacommons.org/130516696>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/130516696>	<http://www.w3.org/ns/prov#value>	"Biomaterial such as an enzyme, cell, antigen or antibody is immobilized by covalent bonding to a substrate having an Si3 N4 surface containing Si--NH2 groups that provide reactive NH2 groups." .