CORD-19:fccc2cff358d6c08f512003b88bab9934e4ffa7a / 12553-12732 JSONTXT

{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T87","span":{"begin":0,"end":179},"obj":"Sentence"},{"id":"TextSentencer_T87","span":{"begin":0,"end":179},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"After 24 days, the cells were fixed by 4% paraformaldehyde (PFA; Sigma-Aldrich, St. Louis, MO), perforated by 0.2% Triton X-100, and blocked with 3% BSA (Amresco, LLC, Solon, OH)."}