About: Biodegradable CA/CPB electrospun nanofibers for efficient retention of airborne nanoparticles

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An Entity of Type : schema:ScholarlyArticle, within Data Space : wasabi.inria.fr associated with source document(s)

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	Biodegradable CA/CPB electrospun nanofibers for efficient retention of airborne nanoparticles
Creator	Beal, Alexandra Bonfim, Freire Curti Muniz, Edvani Gimenes, Marcelino Lopes Aguiar, Mônica Martins, Leila Muniz, Curti Patrícia, Daniela Ricardo De Souza, Paulo Rudke, Anderson Sanches De Almeida, Daniela Squizzato, Rafaela
source	Elsevier; Medline; PMC
abstract	The increase of the industrialization process brought the growth of pollutant emissions into the atmosphere. At the same time, the demand for advances in aerosol filtration is evolving towards more sustainable technologies. Electrospinning is gaining notoriety, once it enables to produce polymeric nanofibers with different additives and also the obtaining of small pore sizes and fiber diameters; desirable features for air filtration materials. Therefore, this work aims to evaluate the filtration performance of cellulose acetate (CA) nanofibers and cationic surfactant cetylpyridinium bromide (CPB) produced by electrospinning technique for retention of aerosol nanoparticles. The pressure drop and collection efficiency measurements of sodium chloride (NaCl) aerosol particles (diameters from 7 to 300 nm) were performed using Scanning Mobility Particle Sizer (SMPS). The average diameter of the electrospun nanofibers used was 239 nm, ranging from 113 to 398 nm. Experimental results indicated that the nanofibers showed good permeability (10(-9) cm(2)) and high-efficiency filtration for aerosol nanoparticles (about 100%), which can include black carbon (BC) and the new coronavirus. The pressure drop was 1.8 kPa at 1.6 cm s(-1), which is similar to reported for some high-efficiency nanofiber filters. In addition, it also retains BC particles present in air, which was about 90 % for 375 nm and about 60% for the 880 nm wavelength. Finally, this research provided information for future designs of indoor air filters and filter media for facial masks with renewable, non-toxic biodegradable, and potential antibacterial characteristics.
has issue date	2020-07-17(xsd:dateTime)
bibo:doi	10.1016/j.psep.2020.07.024
bibo:pmid	32834561
has license	no-cc
sha1sum (hex)	7d915f74773edf41ecef150282e90bc3c8f6c4b5
schema:url	https://doi.org/10.1016/j.psep.2020.07.024
resource representing a document's title	Biodegradable CA/CPB electrospun nanofibers for efficient retention of airborne nanoparticles
has PubMed Central identifier	PMC7366959
has PubMed identifier	32834561
schema:publication	Process Saf Environ Prot
resource representing a document's body	covid:7d915f74773edf41ecef150282e90bc3c8f6c4b5#body_text
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