PMC:7435837 / 18838-19010 JSONTXT

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{"project":"LitCovid-PubTator","denotations":[{"id":"451","span":{"begin":68,"end":77},"obj":"Chemical"},{"id":"452","span":{"begin":98,"end":103},"obj":"Chemical"}],"attributes":[{"id":"A451","pred":"tao:has_database_id","subj":"451","obj":"MESH:C009791"},{"id":"A452","pred":"tao:has_database_id","subj":"452","obj":"MESH:D014867"}],"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":"nge. A substrate for coating is required, a polycation and separate polyanion solution, and clean water as the washing liquid. Figure 3 illustrates the technique. Numerous "}

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