PMC:7146662 / 4273-5044 JSONTXT

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According to the respective manufacturers, Buffalo Filter has 4 stages of filtration that reportedly ensure 99.999% efficiency, down to 0.1 to 0.2 microns, and HME filters provide bacterial and viral filtration exceeding 99.9%.\nFigure 3 Buffalo Filter smoke evacuator tubing connected to 2 heat moisture exchange filters and placed under the drape to provide further air filtration.\nFigure 4 Two heat moisture exchange filters connected in series to the Buffalo Filter smoke evacuator.","divisions":[{"label":"figure","span":{"begin":514,"end":668}},{"label":"label","span":{"begin":514,"end":522}},{"label":"caption","span":{"begin":523,"end":668}},{"label":"p","span":{"begin":523,"end":668}},{"label":"label","span":{"begin":669,"end":677}}],"tracks":[{"project":"LitCovid-PubTator","denotations":[{"id":"55","span":{"begin":687,"end":695},"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_"}],"attributes":[{"subj":"55","pred":"source","obj":"LitCovid-PubTator"}]},{"project":"LitCovid-PD-MONDO","denotations":[{"id":"T20","span":{"begin":93,"end":96},"obj":"Disease"},{"id":"T21","span":{"begin":446,"end":449},"obj":"Disease"}],"attributes":[{"id":"A20","pred":"mondo_id","subj":"T20","obj":"http://purl.obolibrary.org/obo/MONDO_0000225"},{"id":"A21","pred":"mondo_id","subj":"T21","obj":"http://purl.obolibrary.org/obo/MONDO_0000225"},{"subj":"T20","pred":"source","obj":"LitCovid-PD-MONDO"},{"subj":"T21","pred":"source","obj":"LitCovid-PD-MONDO"}]},{"project":"LitCovid-PD-CLO","denotations":[{"id":"T41","span":{"begin":44,"end":50},"obj":"http://purl.obolibrary.org/obo/UBERON_0000025"},{"id":"T42","span":{"begin":344,"end":347},"obj":"http://purl.obolibrary.org/obo/CLO_0051582"},{"id":"T43","span":{"begin":554,"end":560},"obj":"http://purl.obolibrary.org/obo/UBERON_0000025"}],"attributes":[{"subj":"T41","pred":"source","obj":"LitCovid-PD-CLO"},{"subj":"T42","pred":"source","obj":"LitCovid-PD-CLO"},{"subj":"T43","pred":"source","obj":"LitCovid-PD-CLO"}]},{"project":"LitCovid-PD-GO-BP","denotations":[{"id":"T2","span":{"begin":83,"end":91},"obj":"http://purl.obolibrary.org/obo/GO_0015297"},{"id":"T3","span":{"begin":590,"end":598},"obj":"http://purl.obolibrary.org/obo/GO_0015297"},{"id":"T4","span":{"begin":696,"end":704},"obj":"http://purl.obolibrary.org/obo/GO_0015297"}],"attributes":[{"subj":"T2","pred":"source","obj":"LitCovid-PD-GO-BP"},{"subj":"T3","pred":"source","obj":"LitCovid-PD-GO-BP"},{"subj":"T4","pred":"source","obj":"LitCovid-PD-GO-BP"}]},{"project":"LitCovid-sentences","denotations":[{"id":"T29","span":{"begin":0,"end":184},"obj":"Sentence"},{"id":"T30","span":{"begin":185,"end":285},"obj":"Sentence"},{"id":"T31","span":{"begin":286,"end":513},"obj":"Sentence"},{"id":"T32","span":{"begin":514,"end":668},"obj":"Sentence"},{"id":"T33","span":{"begin":669,"end":771},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"attributes":[{"subj":"T29","pred":"source","obj":"LitCovid-sentences"},{"subj":"T30","pred":"source","obj":"LitCovid-sentences"},{"subj":"T31","pred":"source","obj":"LitCovid-sentences"},{"subj":"T32","pred":"source","obj":"LitCovid-sentences"},{"subj":"T33","pred":"source","obj":"LitCovid-sentences"}]},{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T30","span":{"begin":269,"end":274},"obj":"NCBITaxon:10239"},{"id":"T31","span":{"begin":466,"end":475},"obj":"NCBITaxon:2"},{"id":"T32","span":{"begin":480,"end":485},"obj":"NCBITaxon:10239"},{"id":"T74133","span":{"begin":269,"end":274},"obj":"NCBITaxon:10239"},{"id":"T5661","span":{"begin":466,"end":475},"obj":"NCBITaxon:2"},{"id":"T31756","span":{"begin":480,"end":485},"obj":"NCBITaxon:10239"}],"attributes":[{"subj":"T30","pred":"source","obj":"LitCovid-PMC-OGER-BB"},{"subj":"T31","pred":"source","obj":"LitCovid-PMC-OGER-BB"},{"subj":"T32","pred":"source","obj":"LitCovid-PMC-OGER-BB"},{"subj":"T74133","pred":"source","obj":"LitCovid-PMC-OGER-BB"},{"subj":"T5661","pred":"source","obj":"LitCovid-PMC-OGER-BB"},{"subj":"T31756","pred":"source","obj":"LitCovid-PMC-OGER-BB"}]}],"config":{"attribute types":[{"pred":"source","value type":"selection","values":[{"id":"LitCovid-PubTator","color":"#ecc893","default":true},{"id":"LitCovid-PD-MONDO","color":"#ae93ec"},{"id":"LitCovid-PD-CLO","color":"#93ec94"},{"id":"LitCovid-PD-GO-BP","color":"#ec93ac"},{"id":"LitCovid-sentences","color":"#93c6ec"},{"id":"LitCovid-PMC-OGER-BB","color":"#e0ec93"}]}]}}