PMC:7594251 / 54791-54948 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T377","span":{"begin":0,"end":157},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Hence, the preparation of the sample becomes tricky and an optimum ratio between 10–30 to 1 is maintained while considering the dissociation constant values."}