CORD-19:e9900f49f3469114a7ad6b81b7692540cdf17817 / 11377-11636 JSONTXT

{"project":"CORD-19_Custom_license_subset","denotations":[{"id":"T56","span":{"begin":0,"end":259},"obj":"Sentence"}],"text":"Virus stocks were obtained by using virus from a single plaque (ϳ10 7 PFU) to infect ϳ4 ϫ 10 6 cells to yield 6 ml of stock virus, which was then used to infect ϳ1 ϫ 10 7 cells at 33°C for 16 h to yield passage 2 virus stocks with a titer of ϳ5 ϫ 10 8 PFU/ml."}

{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T56","span":{"begin":0,"end":259},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Virus stocks were obtained by using virus from a single plaque (ϳ10 7 PFU) to infect ϳ4 ϫ 10 6 cells to yield 6 ml of stock virus, which was then used to infect ϳ1 ϫ 10 7 cells at 33°C for 16 h to yield passage 2 virus stocks with a titer of ϳ5 ϫ 10 8 PFU/ml."}