About: http://webisa.webdatacommons.org/189066482

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	Presently, biological materials such as nucleic acids, proteins, cells, viruses and vaccines, are maintained and transported in cold environments (4??C, -20??C, -80??C and liquid nitrogen) to preserve sample integrity.
http://www.w3.org/ns/prov#wasQuotedFrom	stratech.co.uk