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PMC:7299399 / 72024-79228 JSONTXT

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LitCovid-PD-FMA-UBERON

Id Subject Object Predicate Lexical cue fma_id
T329 417-434 Body_part denotes respiratory tract http://purl.org/sig/ont/fma/fma265130
T330 717-734 Body_part denotes respiratory tract http://purl.org/sig/ont/fma/fma265130
T331 841-846 Body_part denotes cells http://purl.org/sig/ont/fma/fma68646
T332 851-867 Body_part denotes epithelial cells http://purl.org/sig/ont/fma/fma66768
T333 862-867 Body_part denotes cells http://purl.org/sig/ont/fma/fma68646
T334 2177-2194 Body_part denotes respiratory tract http://purl.org/sig/ont/fma/fma265130
T335 2287-2292 Body_part denotes cells http://purl.org/sig/ont/fma/fma68646
T336 2297-2313 Body_part denotes epithelial cells http://purl.org/sig/ont/fma/fma66768
T337 2308-2313 Body_part denotes cells http://purl.org/sig/ont/fma/fma68646
T338 2850-2854 Body_part denotes cell http://purl.org/sig/ont/fma/fma68646
T339 2861-2876 Body_part denotes epithelial cell http://purl.org/sig/ont/fma/fma66768
T340 2872-2876 Body_part denotes cell http://purl.org/sig/ont/fma/fma68646
T341 3833-3839 Body_part denotes radius http://purl.org/sig/ont/fma/fma23463

LitCovid-PD-UBERON

Id Subject Object Predicate Lexical cue uberon_id
T57 417-434 Body_part denotes respiratory tract http://purl.obolibrary.org/obo/UBERON_0000065
T58 717-734 Body_part denotes respiratory tract http://purl.obolibrary.org/obo/UBERON_0000065
T59 2177-2194 Body_part denotes respiratory tract http://purl.obolibrary.org/obo/UBERON_0000065

LitCovid-PD-MONDO

Id Subject Object Predicate Lexical cue mondo_id
T209 143-151 Disease denotes SARS-CoV http://purl.obolibrary.org/obo/MONDO_0005091
T210 277-287 Disease denotes infectious http://purl.obolibrary.org/obo/MONDO_0005550
T211 417-446 Disease denotes respiratory tract of infected http://purl.obolibrary.org/obo/MONDO_0024355
T212 1999-2007 Disease denotes SARS-CoV http://purl.obolibrary.org/obo/MONDO_0005091
T213 2099-2108 Disease denotes infection http://purl.obolibrary.org/obo/MONDO_0005550
T214 2137-2145 Disease denotes SARS-CoV http://purl.obolibrary.org/obo/MONDO_0005091
T215 2177-2206 Disease denotes respiratory tract of infected http://purl.obolibrary.org/obo/MONDO_0024355
T216 5120-5128 Disease denotes COVID-19 http://purl.obolibrary.org/obo/MONDO_0100096

LitCovid-PD-CLO

Id Subject Object Predicate Lexical cue
T610 83-90 http://purl.obolibrary.org/obo/OBI_0000968 denotes Devices
T611 203-205 http://purl.obolibrary.org/obo/CLO_0008192 denotes NP
T612 812-819 http://purl.obolibrary.org/obo/UBERON_0001005 denotes airways
T613 841-846 http://purl.obolibrary.org/obo/GO_0005623 denotes cells
T614 851-861 http://purl.obolibrary.org/obo/CL_0000066 denotes epithelial
T615 862-867 http://purl.obolibrary.org/obo/GO_0005623 denotes cells
T616 906-907 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T617 961-962 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T618 1061-1062 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T619 1294-1295 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T620 1401-1402 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T621 1690-1691 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T622 2287-2292 http://purl.obolibrary.org/obo/GO_0005623 denotes cells
T623 2297-2307 http://purl.obolibrary.org/obo/CL_0000066 denotes epithelial
T624 2308-2313 http://purl.obolibrary.org/obo/GO_0005623 denotes cells
T625 2494-2495 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T626 2532-2533 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T627 2616-2617 http://purl.obolibrary.org/obo/CLO_0001020 denotes A
T628 2744-2745 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T629 2838-2839 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T630 2850-2854 http://purl.obolibrary.org/obo/GO_0005623 denotes cell
T631 2861-2871 http://purl.obolibrary.org/obo/CL_0000066 denotes epithelial
T632 2872-2876 http://purl.obolibrary.org/obo/GO_0005623 denotes cell
T633 3344-3345 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T634 3372-3373 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T635 3657-3658 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T636 3684-3685 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T637 4292-4293 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T638 4328-4333 http://purl.obolibrary.org/obo/NCBITaxon_10239 denotes virus
T639 4569-4575 http://purl.obolibrary.org/obo/UBERON_0001456 denotes facing
T640 5255-5262 http://purl.obolibrary.org/obo/OBI_0000968 denotes devices
T641 5514-5522 http://purl.obolibrary.org/obo/UBERON_0000158 denotes membrane
T642 5558-5565 http://purl.obolibrary.org/obo/NCBITaxon_10239 denotes viruses
T643 5999-6000 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T644 6109-6110 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T645 6191-6192 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T646 6231-6232 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T647 6310-6317 http://purl.obolibrary.org/obo/NCBITaxon_10239 denotes viruses
T648 6322-6330 http://purl.obolibrary.org/obo/NCBITaxon_2 denotes bacteria
T649 6417-6418 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T650 6516-6521 http://purl.obolibrary.org/obo/NCBITaxon_10239 denotes virus
T651 6575-6576 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T652 6612-6614 http://purl.obolibrary.org/obo/CLO_0053733 denotes 11
T653 6929-6937 http://purl.obolibrary.org/obo/CLO_0001658 denotes activity
T654 7075-7076 http://purl.obolibrary.org/obo/CLO_0001020 denotes a
T655 7127-7128 http://purl.obolibrary.org/obo/CLO_0001021 denotes b

LitCovid-PD-CHEBI

Id Subject Object Predicate Lexical cue chebi_id
T90156 121-123 Chemical denotes EM http://purl.obolibrary.org/obo/CHEBI_73507
T1396 203-205 Chemical denotes NP http://purl.obolibrary.org/obo/CHEBI_50803|http://purl.obolibrary.org/obo/CHEBI_53793|http://purl.obolibrary.org/obo/CHEBI_73425
T96977 1211-1216 Chemical denotes water http://purl.obolibrary.org/obo/CHEBI_15377
T363 1264-1269 Chemical denotes Water http://purl.obolibrary.org/obo/CHEBI_15377
T4713 1598-1603 Chemical denotes water http://purl.obolibrary.org/obo/CHEBI_15377
T51745 1866-1872 Chemical denotes nuclei http://purl.obolibrary.org/obo/CHEBI_33252
T366 1947-1953 Chemical denotes nuclei http://purl.obolibrary.org/obo/CHEBI_33252
T367 2049-2055 Chemical denotes nuclei http://purl.obolibrary.org/obo/CHEBI_33252
T368 2400-2406 Chemical denotes nuclei http://purl.obolibrary.org/obo/CHEBI_33252
T369 2466-2473 Chemical denotes nucleus http://purl.obolibrary.org/obo/CHEBI_33252
T55820 2542-2549 Chemical denotes nucleus http://purl.obolibrary.org/obo/CHEBI_33252
T10258 2649-2656 Chemical denotes nucleus http://purl.obolibrary.org/obo/CHEBI_33252
T372 2754-2761 Chemical denotes nucleus http://purl.obolibrary.org/obo/CHEBI_33252
T373 2892-2898 Chemical denotes nuclei http://purl.obolibrary.org/obo/CHEBI_33252
T374 4348-4354 Chemical denotes nuclei http://purl.obolibrary.org/obo/CHEBI_33252
T375 4856-4862 Chemical denotes nuclei http://purl.obolibrary.org/obo/CHEBI_33252
T21081 6381-6385 Chemical denotes TiO2 http://purl.obolibrary.org/obo/CHEBI_32234
T51813 6602-6611 Chemical denotes polyamide http://purl.obolibrary.org/obo/CHEBI_51953|http://purl.obolibrary.org/obo/CHEBI_53224|http://purl.obolibrary.org/obo/CHEBI_61445
T380 6643-6656 Chemical denotes polypropylene http://purl.obolibrary.org/obo/CHEBI_53550
T28928 6672-6676 Chemical denotes TiO2 http://purl.obolibrary.org/obo/CHEBI_32234
T1241 6743-6751 Chemical denotes electron http://purl.obolibrary.org/obo/CHEBI_10545
T383 6828-6832 Chemical denotes TiO2 http://purl.obolibrary.org/obo/CHEBI_32234
T1035 6860-6864 Chemical denotes TiO2 http://purl.obolibrary.org/obo/CHEBI_32234
T385 6990-6998 Chemical denotes electron http://purl.obolibrary.org/obo/CHEBI_10545
T15652 7046-7059 Chemical denotes polypropylene http://purl.obolibrary.org/obo/CHEBI_53550
T26740 7082-7089 Chemical denotes titania http://purl.obolibrary.org/obo/CHEBI_32234

LitCovid-PD-HP

Id Subject Object Predicate Lexical cue hp_id
T44 417-446 Phenotype denotes respiratory tract of infected http://purl.obolibrary.org/obo/HP_0011947
T45 518-526 Phenotype denotes coughing http://purl.obolibrary.org/obo/HP_0012735
T46 2177-2206 Phenotype denotes respiratory tract of infected http://purl.obolibrary.org/obo/HP_0011947

LitCovid-PD-GO-BP

Id Subject Object Predicate Lexical cue
T76 482-491 http://purl.obolibrary.org/obo/GO_0007585 denotes breathing
T77 1821-1831 http://purl.obolibrary.org/obo/GO_0046903 denotes secretions
T78 4706-4715 http://purl.obolibrary.org/obo/GO_0007585 denotes breathing
T79 5335-5344 http://purl.obolibrary.org/obo/GO_0051235 denotes retention

LitCovid-sentences

Id Subject Object Predicate Lexical cue
T274 0-90 Sentence denotes Nanotechnology-Based Solutions to Increase the Efficiency and Safety of Protective Devices
T275 91-337 Sentence denotes Cryoelectron microscopy (cryo-EM) studies show that SARS-CoV-2 virions are particles near the larger end of the NP size range (70–90 nm).21,201 However, when dispersed into the air, the infectious particles exist as functionally larger particles.
T276 338-617 Sentence denotes Initially, liquid droplets containing coronavirus virions originating from the respiratory tract of infected patients are emitted during normal breathing, forced expiration (e.g., coughing and sneezing), or aerosol-generating medical procedures (e.g., intubation and suctioning).
T277 618-879 Sentence denotes Liquid droplets emitted into the air through these mechanisms originate from points throughout the respiratory tract and carry within them virions as well as other materials associated with the airways, including bacterial cells and epithelial cells (Figure 5).
T278 880-1010 Sentence denotes Droplets are emitted over a wide size range, and their potential viral burden is a cubic function of particle diameter (Figure 6).
T279 1011-1183 Sentence denotes Thus, larger droplets have the potential to carry a significantly larger burden of virions according to their size and are substantially more hazardous than small droplets.
T280 1184-1263 Sentence denotes Once emitted into the air, water from droplets immediately begins to evaporate.
T281 1264-1426 Sentence denotes Water loss is associated with a rapid decrease in both particle diameter and terminal settling velocity (the equilibrium rate of fall of a particle in still air).
T282 1427-1578 Sentence denotes The rate of evaporation of the largest droplets (>150 μm) is often insufficient to slow their swift descent in air, and they impact on nearby surfaces.
T283 1579-1705 Sentence denotes However, the rapid water loss and sharp slowing of settling velocity of smaller droplets enables them to avoid a similar fate.
T284 1706-1873 Sentence denotes Their constituent solid residues are instead drawn together during evaporation and cemented with dried respiratory secretions, and they remain aloft as droplet nuclei.
T285 1874-2017 Sentence denotes Several epidemiological studies have supported the potential for droplet nuclei to be an important means of transmission for SARS-CoV-2.202,203
T286 2018-2109 Sentence denotes Figure 5 Droplets and droplet nuclei as important mechanism for transmission of infection.
T287 2110-2314 Sentence denotes Liquid droplets containing SARS-CoV-2 virions originating from the respiratory tract of infected patients are emitted into the air and carry other materials including bacterial cells and epithelial cells.
T288 2315-2407 Sentence denotes They are reduced in size by evaporation to small, dry particles resulting in droplet nuclei.
T289 2408-2484 Sentence denotes Figure 6 Maximum theoretical viral burden versus droplet nucleus size (nm).
T290 2485-2615 Sentence denotes Assuming a median virion size of about 100 nm, a droplet nucleus of 1 μm diameter could contain up to 370 randomly packed virions.
T291 2616-2685 Sentence denotes A similar 10 μm diameter droplet nucleus could contain up to 360,000.
T292 2686-2877 Sentence denotes In practical terms, however, the size-defining element of a droplet nucleus is determined by the component item with the largest volume, which is often a bacterial cell or an epithelial cell.
T293 2878-2991 Sentence denotes Thus, droplet nuclei in the 1–10 μm size range and above contain far fewer virions than this theoretical maximum.
T294 2992-3140 Sentence denotes Filter media, such as those used in N95 masks and in mechanical ventilation systems, consist of myriad interwoven fibers through which air is moved.
T295 3141-3210 Sentence denotes Their purpose is to arrest particles as they move through the matrix.
T296 3211-3305 Sentence denotes Filters capture particles chiefly by three mechanisms: impaction, interception, and diffusion.
T297 3306-3528 Sentence denotes Impaction occurs when the momentum of a particle propelled toward a filter fiber prevents the particle from diverging around the fiber along the flow lines of the air stream, causing the particle to collide with the fiber.
T298 3529-3631 Sentence denotes Impaction is the primary mechanism responsible for removing particles greater than 500 nm in diameter.
T299 3632-3892 Sentence denotes Interception occurs when a particle diverges around a fiber along the flow lines of the airstream, the distance between the vector of the airstream and the centroid of the particle is smaller than the radius of the particle, and the particle touches the fiber.
T300 3893-3972 Sentence denotes Interception operates efficiently on particles greater than 200 nm in diameter.
T301 3973-4141 Sentence denotes Diffusion is the final important mechanism of particle removal, and it is most effective at removing very fine particles less than 200 nm, especially at low flow rates.
T302 4142-4322 Sentence denotes Particles around 300 nm in diameter are least subject to these three removal mechanisms, and they are considered the “most penetrating” particles for a majority of filter types.204
T303 4323-4654 Sentence denotes When virus-laden droplet nuclei are deposited on filter media, they penetrate the filter matrix to different depths depending on their size characteristics: larger particles tend to become impacted or intercepted nearer the surface of the intake-facing side, whereas smaller particles penetrate more deeply into the fibrous matrix.
T304 4655-4810 Sentence denotes In the case of filtering facepiece masks, cyclical breathing can cause changes in the physical characteristics of particles after they have been deposited.
T305 4811-4938 Sentence denotes Humid exhaled air causes hygroscopic droplet nuclei to swell, becoming larger than they were when captured on filtration media.
T306 4939-5096 Sentence denotes This size change can affect the ability of the filter fibers to retain particles and can lead to redistribution, shedding, or even breakthrough of particles.
T307 5097-5263 Sentence denotes From the standpoint of COVID-19, there are many opportunities for nanotechnology-based solutions to increase the efficiency and safety of air filter and mask devices.
T308 5264-5749 Sentence denotes Some specific opportunities include (i) improving particle capture and retention characteristics, particularly, in the 300 nm diameter size range; (ii) reducing the effects of exhaled humid air on particle redistribution; (iii) rapid inactivation of membrane-bound microbes including enveloped viruses upon capture; and (iv) thin, high-efficiency filtration media for personal masks that are able to be reused repeatedly without loss of efficiency (e.g., novel electrospun nanofibers).
T309 5750-6089 Sentence denotes 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 >80 and >90% for particle sizes <300 and >300 nm, respectively.205
T310 6090-6225 Sentence denotes Electrospinning is a technique that is widely used to produce nanofibers with diameters smaller than a micrometer (typically, ∼100 nm).
T311 6226-6380 Sentence denotes Even a micron-thin layer of nanofibers can capture the smallest droplets containing viruses and bacteria and prevent them from traveling through the mask.
T312 6381-6568 Sentence denotes TiO2-coated nanofibers deposited on a filter surface by the electrospinning process can capture submicrometer droplets and destroy the virus upon UV irradiation or under natural sunlight.
T313 6569-6859 Sentence denotes After a micrometer-thick film of polyamide 11 nanofibers was deposited on polypropylene filter fabric, TiO2 NPs were directly electrosprayed onto the nanofibers.206 Scanning electron microscopy (Figure 7) demonstrated that nanofibers were uniformly coated by TiO2 NPs without agglomeration.
T314 6860-6970 Sentence denotes TiO2-coated filters showed excellent photocatalytic and bactericidal activity and photoinduced hydrophilicity.
T315 6971-7130 Sentence denotes Figure 7 Scanning electron microscope images of electrospun nanofibers on polypropylene filter fabric (a) and titania-coated electrospun nylon nanofibers (b).
T316 7131-7172 Sentence denotes Reprinted with permission from ref (206).
T317 7173-7204 Sentence denotes Copyright 2010 Springer Nature.

LitCovid-PubTator

Id Subject Object Predicate Lexical cue tao:has_database_id
1184 143-153 Species denotes SARS-CoV-2 Tax:2697049
1185 376-387 Species denotes coronavirus Tax:11118
1186 447-455 Species denotes patients Tax:9606
1187 1999-2009 Species denotes SARS-CoV-2 Tax:2697049
1188 417-428 Species denotes respiratory Tax:12814
1189 717-728 Species denotes respiratory Tax:12814
1190 1809-1820 Species denotes respiratory Tax:12814
1191 1211-1216 Chemical denotes water MESH:D014867
1192 1264-1269 Chemical denotes Water MESH:D014867
1193 1598-1603 Chemical denotes water MESH:D014867
1194 438-446 Disease denotes infected MESH:D007239
1195 518-526 Disease denotes coughing MESH:D003371
1201 2137-2147 Species denotes SARS-CoV-2 Tax:2697049
1202 2207-2215 Species denotes patients Tax:9606
1203 2177-2188 Species denotes respiratory Tax:12814
1204 2099-2108 Disease denotes infection MESH:D007239
1205 2198-2206 Disease denotes infected MESH:D007239
1207 5120-5128 Disease denotes COVID-19 MESH:C000657245
1214 6381-6385 Chemical denotes TiO2
1215 6602-6611 Chemical denotes polyamide MESH:D009757
1216 6643-6656 Chemical denotes polypropylene MESH:D011126
1217 6672-6676 Chemical denotes TiO2
1218 6828-6832 Chemical denotes TiO2
1219 6860-6864 Chemical denotes TiO2
1223 7046-7059 Chemical denotes polypropylene MESH:D011126
1224 7109-7114 Chemical denotes nylon MESH:D009757
1225 7082-7096 Disease denotes titania-coated MESH:D058456

2_test

Id Subject Object Predicate Lexical cue
32519842-32333836-158624 228-230 32333836 denotes 21
32519842-32149036-158625 231-234 32149036 denotes 201
32519842-31986261-158626 2010-2013 31986261 denotes 202
32519842-32329337-158627 6086-6089 32329337 denotes 205