About: Development and evaluation of a novel bioaerosol amplification unit (BAU) for improved viral aerosol collection

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About: Development and evaluation of a novel bioaerosol amplification unit (BAU) for improved viral aerosol collection Goto Sponge NotDistinct Permalink

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

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Development and evaluation of a novel bioaerosol amplification unit (BAU) for improved viral aerosol collection
Creator	Anwar, Diandra Wu, Chang-Yu Lee, Jin-Hwa Oh, Sewon Theodore, Alexandros Wander, Joe
Source	Elsevier; Medline; PMC
abstract	Abstract A novel bioaerosol amplification unit (BAU) that increases the size of viral particles by condensational growth has been designed and evaluated for improved viral aerosol collection. In the BAU, water was used as the condensing vapor to preserve viability of virus, and supersaturation conditions for condensational growth of particles were achieved by either conductive cooling or mixing with hot, water-saturated air. MS2 bacteriophage (28nm) was used as the test agent, and changes in collection efficiency of an SKC Biosampler with and without the BAU were determined by assaying plaque-forming units (PFUs) in the collection medium. Results showed that the mixing-type BAU (mBAU) was a promising device for improved viral aerosol sampling. The number of viruses (PFU) collected in the Biosampler increased 2–3 fold after passing through the mBAU. However, PFU increases in the cooling-type BAU (cBAU) were insignificant. APS results likewise showed that the mBAU was better in growing particles than the cBAU. After growth, number concentrations of particles larger than 327nm in the cBAU and mBAU increased 1.3 and 15.0 fold, respectively. The relatively high molecular diffusivity of water vapor compared to the thermal diffusivity of air and the temperature gradient in the cBAU tube limited particle growth by causing condensation to occur predominantly at the colder wall.
has issue date	2010-09-30(xsd:dateTime)
bibo:doi	10.1016/j.jaerosci.2010.06.002
bibo:pmid	32226123
has license	els-covid
sha1sum (hex)	30aab7cf61032a69da35a4b1c979bbb8d067b3c5
schema:url	https://doi.org/10.1016/j.jaerosci.2010.06.002
resource representing a document's title	Development and evaluation of a novel bioaerosol amplification unit (BAU) for improved viral aerosol collection
has PubMed Central identifier	PMC7094383
has PubMed identifier	32226123
schema:publication	Journal of Aerosol Science
resource representing a document's body	covid:30aab7cf61032a69da35a4b1c979bbb8d067b3c5#body_text
is schema:about of	named entity 'particles' named entity 'evaluated' named entity 'BAU' named entity 'AEROSOL' named entity 'WATER' named entity 'IMPROVED' named entity 'MIXING' named entity 'DETERMINED BY' named entity 'AGENT' named entity 'VIRAL PARTICLES' named entity 'CONDITIONS' named entity 'SATURATED' named entity 'PRESERVE' named entity 'SIZE' named entity 'VAPOR' named entity 'AMPLIFICATION' named entity 'AEROSOL' covid:arg/30aab7cf61032a69da35a4b1c979bbb8d067b3c5 named entity 'VIRAL' named entity 'INCREASES' named entity 'NOVEL' named entity 'CHANGES' named entity 'PARTICLES' named entity 'COOLING' named entity 'HOT' named entity 'GROWTH' named entity 'EVALUATED' named entity 'IMPROVED' named entity 'BIOAEROSOL' named entity 'DEVELOPMENT' named entity 'UNIT' named entity 'BIOAEROSOL' named entity 'EVALUATION' named entity 'VIRAL' named entity 'NOVEL' named entity 'MEDIUM' named entity 'BACTERIOPHAGE' named entity 'EITHER' named entity 'COLLECTION' named entity 'BAU' named entity 'VIRUS' named entity 'AIR' named entity 'UNIT' named entity 'AMPLIFICATION' named entity 'COLLECTION' named entity 'UNITS' named entity 'USED' named entity 'MS2' named entity 'EFFICIENCY' named entity 'VIABILITY' named entity 'TEST' named entity 'size' named entity '28 nm' named entity 'aerosol' named entity 'conductive cooling' named entity 'virus' named entity 'aerosol' named entity 'surface tension' named entity 'water vapor' named entity 'water vapor' named entity 'viruses' named entity 'water vapor' named entity 'aerosol' named entity 'particle size' named entity 'aerosol' named entity 'SKC' named entity 'virus' named entity 'water vapor' named entity 'relative humidity' named entity 'aerosol' named entity 'ultrafine' named entity 'supersaturation' named entity '8.5' named entity 'water vapor' named entity 'bioaerosol' named entity 'water vapor'

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