PMC:7299399 / 69685-69775 JSONTXT

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T312","span":{"begin":59,"end":63},"obj":"Chemical"}],"attributes":[{"id":"A16039","pred":"chebi_id","subj":"T312","obj":"http://purl.obolibrary.org/obo/CHEBI_32234"}],"text":"s have developed second-generation photocatalysts in which TiO2 is used in combination wit"}

{"project":"LitCovid-PubTator","denotations":[{"id":"1136","span":{"begin":59,"end":63},"obj":"Chemical"}],"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":"s have developed second-generation photocatalysts in which TiO2 is used in combination wit"}