PMC:7299399 / 77765-78209 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T643","span":{"begin":258,"end":259},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"},{"id":"T644","span":{"begin":368,"end":369},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"fibers). In this context, recent findings exploring the performance of several fabrics commonly used in cloth masks, alone or in combination, suggest that the combined mechanical and electrostatic effect observed in hybrids enabled enhanced performance with a filtration efficiency \u003e80 and \u003e90% for particle sizes \u003c300 and \u003e300 nm, respectively.205\nElectrospinning is a technique that is widely used to produce nanofibers with diameters smaller"}

{"project":"LitCovid-sentences","denotations":[{"id":"T309","span":{"begin":9,"end":348},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"fibers). In this context, recent findings exploring the performance of several fabrics commonly used in cloth masks, alone or in combination, suggest that the combined mechanical and electrostatic effect observed in hybrids enabled enhanced performance with a filtration efficiency \u003e80 and \u003e90% for particle sizes \u003c300 and \u003e300 nm, respectively.205\nElectrospinning is a technique that is widely used to produce nanofibers with diameters smaller"}

{"project":"2_test","denotations":[{"id":"32519842-32329337-158627","span":{"begin":345,"end":348},"obj":"32329337"}],"text":"fibers). In this context, recent findings exploring the performance of several fabrics commonly used in cloth masks, alone or in combination, suggest that the combined mechanical and electrostatic effect observed in hybrids enabled enhanced performance with a filtration efficiency \u003e80 and \u003e90% for particle sizes \u003c300 and \u003e300 nm, respectively.205\nElectrospinning is a technique that is widely used to produce nanofibers with diameters smaller"}