PMC:7796291 / 20438-20586 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T166","span":{"begin":13,"end":140},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"aks [47,48]. After UV irradiation, distinctive peaks were observed for: C-O-C (around 1058 cm−1) and O-H bending (around 1161 cm−1) [49,50]. The cha"}