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return kwic search for system out of >500 occurrences
331253 occurrences (No.58 in the rank) during 5 years in the PubMed. [cache]

231) Although these particles have been measured within residential and occupational settings in multiple studies, the deposition of bioaerosol particles within the human respiratory system has been only minimally explored.

--- ABSTRACT ---

PMID:33476134 DOI:10.1021/acs.est.0c05540

2021 Environmental science & technology

* Estimating Lung Deposition of Fungal Spores Using Actual Airborne Spore Concentrations and Physiological Data.

- Exposure to bioaerosols has been implicated in adverse respiratory symptoms, infectious diseases, and bioterrorism. Although these particles have been measured within residential and occupational settings in multiple studies, the deposition of bioaerosol particles within the human respiratory system has been only minimally explored. This paper uses real-world environmental measurement data of total fungal spores using Air-o-Cell cassettes in 16 different apartments and residents' physiological data in those apartments to predict respiratory deposition of the spores. The airborne spore concentrations were measured during the spring, summer, and fall. The respiratory deposition of five most prevalent spore genera-Ascospores, Aspergillus, Basidiospores, Cladosporium, and Myxomycetes-was predicted using three empirical models: the Multiple Path Particle Dosimetry model, using both the Yeh and age-specific versions, and the Bioaerosol Adaptation of the International Committee on Radiological Protection's Lung deposition model. The predicted total deposited number of spores was highest for Ascospores and Cladosporium. While the majority of spores deposit were in the extrathoracic region, there is a significant deposition for both Aspergillus and Cladosporium in the alveolar region, potentially leading to the development of aspergillosis or allergic asthma. Although the dose-response relationship is unknown, the estimate of the actual spore deposition could be the first step in determining such a relationship.

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(1)71 null	(13)6 the	(25)3 incorporating	(37)2 being
(2)44 and	(14)6 which	(26)3 level	(38)2 but
(3)17 is	(15)5 has	(27)3 may	(39)2 devices
(4)17 to	(16)4 by	(28)3 using	(40)2 especially
(5)12 for	(17)4 should	(29)3 we	(41)2 genes
(6)12 in	(18)4 were	(30)2 (CNS),	(42)2 identified
(7)12 of	(19)4 with	(31)2 (ECS)	(43)2 including
(8)7 are	(20)3 as	(32)2 (GIS)	(44)2 it
(9)7 that	(21)3 barriers	(33)2 (SNS)	(45)2 levels
(10)7 was	(22)3 can	(34)2 Online	(46)2 remains
(11)6 (CNS)	(23)3 could	(35)2 acts	(47)2 seems
(12)6 group	(24)3 factors	(36)2 becomes	(48)2 throughout

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--- WordNet output for system --- =>制度組織体系的方式, システム, 組織, 整然とした手順, (思想などの)体系, 体制 Overview of noun system The noun system has 9 senses (first 8 from tagged texts) 1. (43) system -- (instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity; "he bought a new stereo system"; "the system consists of a motor and a small computer") 2. (23) system, scheme -- (a group of independent but interrelated elements comprising a unified whole; "a vast system of production and distribution and consumption keep the country going") 3. (14) system -- ((physical chemistry) a sample of matter in which substances in different phases are in equilibrium; "in a static system oil cannot be replaced by water on a surface"; "a system generating hydrogen peroxide") 4. (10) system, system of rules -- (a complex of methods or rules governing behavior; "they have to operate under a system they oppose"; "that language has a complex system for indicating gender") 5. (8) arrangement, organization, organisation, system -- (an organized structure for arranging or classifying; "he changed the arrangement of the topics"; "the facts were familiar but it was in the organization of them that he was original"; "he tried to understand their system of classification") 6. (7) system -- (a group of physiologically or anatomically related organs or parts; "the body has a system of organs for digestion") 7. (6) system -- (a procedure or process for obtaining an objective; "they had to devise a system that did not depend on cooperation") 8. (1) system -- (the living body considered as made up of interdependent components forming a unified whole; "exercise helped him get the alcohol out of his system") 9. organization, organisation, system -- (an ordered manner; orderliness by virtue of being methodical and well organized; "his compulsive organization was not an endearing quality"; "we can't do it unless we establish some system around here") --- WordNet end ---