About: http://webisa.webdatacommons.org/188269165

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	However, due to the low yield it is necessary to use a relatively large number of particles per sample and the carboxyl group modification only allows the use of a few special types of particles.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr