<http://webisa.webdatacommons.org/prov/27267781>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/19945223> .
<http://webisa.webdatacommons.org/19945223>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/60482401>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/19945223> .
<http://webisa.webdatacommons.org/prov/340731896>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/19945223> .
<http://webisa.webdatacommons.org/19945223>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<nanotech-now.com> .
<http://webisa.webdatacommons.org/19945223>	<http://www.w3.org/ns/prov#value>	"In order to reproduce this effect in artificial systems and to allow such opal characteristics to be applied to, for example, flexible materials such as clothing or packaging, research into synthetic opals has gained momentum in the last decades." .