PMC:7594251 / 15780-15909 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T85300","span":{"begin":22,"end":25},"obj":"http://purl.obolibrary.org/obo/CLO_0051582"},{"id":"T32942","span":{"begin":26,"end":27},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"Compared with 1H, 13C has a much higher chemical shift dispersion (~200 ppm), however the natural abundance of 13C is low (1.1%)."}

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T119","span":{"begin":14,"end":16},"obj":"Chemical"}],"attributes":[{"id":"A119","pred":"chebi_id","subj":"T119","obj":"http://purl.obolibrary.org/obo/CHEBI_49637"}],"text":"Compared with 1H, 13C has a much higher chemical shift dispersion (~200 ppm), however the natural abundance of 13C is low (1.1%)."}

{"project":"LitCovid-PubTator","denotations":[{"id":"167","span":{"begin":14,"end":16},"obj":"Chemical"},{"id":"168","span":{"begin":18,"end":21},"obj":"Chemical"},{"id":"169","span":{"begin":111,"end":114},"obj":"Chemical"}],"attributes":[{"id":"A168","pred":"tao:has_database_id","subj":"168","obj":"MESH:C000615229"},{"id":"A169","pred":"tao:has_database_id","subj":"169","obj":"MESH:C000615229"}],"namespaces":[{"prefix":"Tax","uri":"https://www.ncbi.nlm.nih.gov/taxonomy/"},{"prefix":"MESH","uri":"https://id.nlm.nih.gov/mesh/"},{"prefix":"Gene","uri":"https://www.ncbi.nlm.nih.gov/gene/"},{"prefix":"CVCL","uri":"https://web.expasy.org/cellosaurus/CVCL_"}],"text":"Compared with 1H, 13C has a much higher chemical shift dispersion (~200 ppm), however the natural abundance of 13C is low (1.1%)."}

{"project":"LitCovid-sentences","denotations":[{"id":"T113","span":{"begin":0,"end":129},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Compared with 1H, 13C has a much higher chemical shift dispersion (~200 ppm), however the natural abundance of 13C is low (1.1%)."}