<http://webisa.webdatacommons.org/214403535>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/214403535>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/214403535>	<http://www.w3.org/ns/prov#value>	"The invention relates in general to techniques for detecting substances immobilized to a substrate, and in particular to a method and apparatus employing a sensor array operated at AC frequencies." .
<http://webisa.webdatacommons.org/prov/420534330>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/214403535> .