About: Effects of humidity and other factors on the generation and sampling of a coronavirus aerosol

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About: Effects of humidity and other factors on the generation and sampling of a coronavirus aerosol 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	Effects of humidity and other factors on the generation and sampling of a coronavirus aerosol
Creator	Ae, Kim Ae, M Goyal, M Raynor, Peter Sagar, A Won, Seung
Source	Medline; PMC
abstract	Suspensions of transmissible gastroenteritis virus (TGEV), a porcine coronavirus, were nebulized at rates of 0.1–0.2 ml/min into moving air using a Collison nebulizer or a plastic medical nebulizer operating at pressures ranging from 7 to 15 psi. The airborne viruses were collected on heating, ventilating, and air conditioning (HVAC) filters in an experimental apparatus and also sampled upstream of these test filters using AGI-30 and BioSampler impinger samplers. To study the effects of relative humidity (RH) on TGEV collection by the filters and samplers, the virus was nebulized into air at 30, 50, 70, and 90% RH. There were no significant changes in virus titer in the nebulizer suspension before and after nebulization for either nebulizer at any of the pressures utilized. Aerosolization efficiency – the ratio of viable virus sampled with impingers to the quantity of viable virus nebulized – decreased with increasing humidity. BioSamplers detected more airborne virus than AGI-30 samplers at all RH levels. This difference was statistically significant at 30 and 50% RH. Nebulizer type and pressure did not significantly affect the viability of the airborne virus. Virus recovery from test filters relative to the concentration of virus in the nebulizer suspension was less than 10%. The most and the least virus were recovered from filter media at 30% and 90% RH, respectively. The results suggest that TGEV, and perhaps other coronaviruses, remain viable longer in an airborne state and are sampled more effectively at low RH than at high humidity.
has issue date	2007-07-25(xsd:dateTime)
bibo:doi	10.1007/s10453-007-9068-9
bibo:pmid	32214623
has license	no-cc
sha1sum (hex)	d50193b69925aa965c272518a2a28bdfb1219c68
schema:url	https://doi.org/10.1007/s10453-007-9068-9
resource representing a document's title	Effects of humidity and other factors on the generation and sampling of a coronavirus aerosol
has PubMed Central identifier	PMC7087841
has PubMed identifier	32214623
schema:publication	Aerobiologia (Bologna)
resource representing a document's body	covid:d50193b69925aa965c272518a2a28bdfb1219c68#body_text
is schema:about of	named entity 'AEROSOL' named entity 'humidity' named entity 'samplers' named entity 'ventilating' named entity 'samplers' named entity 'recovered' named entity 'COLLECTION' named entity 'SAMPLED' named entity 'STATE' named entity 'PORCINE' named entity 'RELATIVE HUMIDITY' named entity 'CORONAVIRUS' named entity 'AGI' named entity 'AIR CONDITIONING' named entity 'RATIO' named entity 'SUSPENSIONS' named entity 'MOVING' named entity '90%' named entity 'RESULTS' named entity 'AIRBORNE' named entity 'VIABILITY' named entity 'NEBULIZED' named entity 'HIGH HUMIDITY' named entity 'DID' named entity 'EFFICIENCY' named entity 'NEBULIZER' named entity 'CORONAVIRUSES' named entity 'STUDY' named entity 'PSI' named entity 'AIR' named entity 'CORONAVIRUS' named entity 'VIABLE' named entity 'APPARATUS' named entity 'TITER' named entity 'VIRUS' named entity 'RECOVERY' named entity 'CONCENTRATION OF' named entity 'TYPE' named entity 'MEDIA' named entity 'USING' named entity 'AFFECT' named entity 'COLLECTED' named entity 'FILTER' named entity 'TRANSMISSIBLE GASTROENTERITIS VIRUS' named entity 'VIRUSES' named entity 'MEDICAL' named entity 'RATES' named entity 'EFFECTS' named entity 'GENERATION' named entity 'SIGNIFICANT' named entity 'OPERATING' named entity 'EFFECTS' named entity 'PRESSURES' named entity 'HUMIDITY' named entity 'FILTERS' named entity 'QUANTITY' named entity 'LEVELS' named entity 'STATISTICALLY SIGNIFICANT' named entity 'RELATIVE TO' named entity 'SUGGEST' named entity 'VENTILATING' named entity 'DETECTED' named entity 'LOW' named entity 'TEST' named entity 'PRESSURE' named entity 'INCREASING' named entity 'SUSPENSION' named entity 'UPSTREAM' named entity 'HUMIDITY' named entity 'THESE' named entity 'SAMPLING' named entity '0.1' named entity 'RECOVERED' named entity 'NEBULIZATION' named entity '50%' named entity 'DIFFERENCE'

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