PMC:7796291 / 6092-6584 JSONTXT

{"project":"LitCovid-PubTator","denotations":[{"id":"53","span":{"begin":445,"end":449},"obj":"Gene"},{"id":"54","span":{"begin":433,"end":437},"obj":"Gene"},{"id":"55","span":{"begin":175,"end":179},"obj":"Gene"},{"id":"56","span":{"begin":74,"end":78},"obj":"Gene"},{"id":"57","span":{"begin":316,"end":320},"obj":"Chemical"},{"id":"58","span":{"begin":363,"end":367},"obj":"Chemical"},{"id":"59","span":{"begin":372,"end":384},"obj":"Chemical"}],"attributes":[{"id":"A53","pred":"tao:has_database_id","subj":"53","obj":"Gene:13897326"},{"id":"A54","pred":"tao:has_database_id","subj":"54","obj":"Gene:13897326"},{"id":"A55","pred":"tao:has_database_id","subj":"55","obj":"Gene:13897326"},{"id":"A56","pred":"tao:has_database_id","subj":"56","obj":"Gene:13897326"},{"id":"A57","pred":"tao:has_database_id","subj":"57","obj":"MESH:D012965"},{"id":"A58","pred":"tao:has_database_id","subj":"58","obj":"MESH:D012965"},{"id":"A59","pred":"tao:has_database_id","subj":"59","obj":"MESH:C015418"}],"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":"2.1. Respirators\nA commercial respirator certified by N95 grade (coded as Resp. A) and the one certified by the Korean Ministry of Food and Drug Safety (MFDS) for KF94 grade (Resp. B) were used as sample respirators. N95 and KF94 grades refer to the particle capture efficiency of not less than 95% during 200 mg of NaCl particle loading [34] and 94% after 3 min NaCl and paraffin oil loading [35], respectively. The surface area of Resp. A and Resp. B were 249 cm2 and 208 cm2, respectively."}

{"project":"LitCovid-sentences","denotations":[{"id":"T38","span":{"begin":0,"end":4},"obj":"Sentence"},{"id":"T39","span":{"begin":5,"end":16},"obj":"Sentence"},{"id":"T40","span":{"begin":17,"end":79},"obj":"Sentence"},{"id":"T41","span":{"begin":80,"end":180},"obj":"Sentence"},{"id":"T42","span":{"begin":181,"end":216},"obj":"Sentence"},{"id":"T43","span":{"begin":217,"end":412},"obj":"Sentence"},{"id":"T44","span":{"begin":413,"end":438},"obj":"Sentence"},{"id":"T45","span":{"begin":439,"end":450},"obj":"Sentence"},{"id":"T46","span":{"begin":451,"end":492},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"2.1. Respirators\nA commercial respirator certified by N95 grade (coded as Resp. A) and the one certified by the Korean Ministry of Food and Drug Safety (MFDS) for KF94 grade (Resp. B) were used as sample respirators. N95 and KF94 grades refer to the particle capture efficiency of not less than 95% during 200 mg of NaCl particle loading [34] and 94% after 3 min NaCl and paraffin oil loading [35], respectively. The surface area of Resp. A and Resp. B were 249 cm2 and 208 cm2, respectively."}