PMC:7443692 / 15044-15285 JSONTXT

{"project":"LitCovid-sample-CHEBI","denotations":[{"id":"T103","span":{"begin":35,"end":42},"obj":"Chemical"},{"id":"T104","span":{"begin":142,"end":145},"obj":"Chemical"},{"id":"T105","span":{"begin":204,"end":211},"obj":"Chemical"}],"attributes":[{"id":"A103","pred":"chebi_id","subj":"T103","obj":"http://purl.obolibrary.org/obo/CHEBI_18154"},{"id":"A104","pred":"chebi_id","subj":"T104","obj":"http://purl.obolibrary.org/obo/CHEBI_24870"},{"id":"A105","pred":"chebi_id","subj":"T105","obj":"http://purl.obolibrary.org/obo/CHEBI_18154"}],"text":"We also observed sulfated N-linked glycans by using negative mode MSn analyses (Table S13), although signal intensity was too low in positive ion mode (at least 10-fold lower than any of the non-sulfated glycans) for accurate quantification."}

{"project":"LitCovid-sample-sentences","denotations":[{"id":"T83","span":{"begin":0,"end":241},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"We also observed sulfated N-linked glycans by using negative mode MSn analyses (Table S13), although signal intensity was too low in positive ion mode (at least 10-fold lower than any of the non-sulfated glycans) for accurate quantification."}