About: http://webisa.webdatacommons.org/428539186

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, low cost and reliable biosensors and sensor arrays remain a significant challenge especially given the difficulty in devising an effective label-free and sensitive detection strategy.
http://www.w3.org/ns/prov#wasQuotedFrom	umich.edu