CORD-19:12f1cc78e99a0b82f3225d10abe9a5649f1b33fc / 5409-5662 JSONTXT

{"project":"CORD-19_Custom_license_subset","denotations":[{"id":"T29","span":{"begin":0,"end":253},"obj":"Sentence"}],"text":"Virus-infected cells were frozen and thawed three times, the supernatant fluid was cleared of cell debris by centrifugation, the virus was concentrated by overnight centrifugation, and the virus pellet was resuspended in phosphate-buffered saline (PBS)."}

{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T29","span":{"begin":0,"end":253},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Virus-infected cells were frozen and thawed three times, the supernatant fluid was cleared of cell debris by centrifugation, the virus was concentrated by overnight centrifugation, and the virus pellet was resuspended in phosphate-buffered saline (PBS)."}