About: The uses and limitations of a hand-held germicidal ultraviolet wand for surface disinfection

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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
title	The uses and limitations of a hand-held germicidal ultraviolet wand for surface disinfection
Creator	Rutherford, George Petras, Daniel Barham, Beverly Byrns, George Scannell, Michele Steiner, Garrett Webster, Kathryn Yang, Liangcheng
source	PMC
abstract	The morbidity and mortality from healthcare associated infections has raised concern that conventional disinfection methods are inadequate and that other adjunct methods such as room fumigation and ultraviolet irradiation may be needed. There is also concern that these alternative methods may pose a risk to workers and patients. Objectives. (1) Determine the efficacy of a germicidal UV-C wand for surface disinfection, (2) evaluate changing relative humidity (RH) and different target distances on bacteria kill rates, and (3) assess potential exposure concerns. Methods. This study investigates whether a hand-held germicidal wand can efficaciously disinfect surfaces treated with either a vegetative or spore forming bacterium and to evaluate the effect of changing environmental conditions such as relative humidity (RH), target position, and target distances on microbial kill rates. Results. Kill rate was best at 40–65% RH at a temperature range of 21–24°C. Both high and low RH interfered with the ability of UV-C to kill the vegetative microbe. In the case of the spore forming bacterium, increased surface drying time was the most significant factor increasing kill rate. Conclusions. This research demonstrates that UV-C was efficacious under optimal conditions, a direct beam exposure, and a short target distance (12.7 cm). However, there are limitations when used in non-optimal conditions. Increased distance and indirect beam angles resulted in lower kill rates. It is also important to minimize unnecessary patient and worker exposure during its use.
has issue date	2017-09-21(xsd:dateTime)
bibo:doi	10.1080/15459624.2017.1328106
bibo:pmid	28609247
has license	no-cc
sha1sum (hex)	063ef853a4d797646b484d16345ed589a979fcc9
schema:url	https://doi.org/10.1080/15459624.2017.1328106
resource representing a document's title	The uses and limitations of a hand-held germicidal ultraviolet wand for surface disinfection
has PubMed Central identifier	PMC7157946
has PubMed identifier	28609247
schema:publication	J Occup Environ Hyg
resource representing a document's body	covid:063ef853a4d797646b484d16345ed589a979fcc9#body_text
is schema:about of	named entity 'surface' named entity 'adjunct' named entity 'disinfection' named entity 'fumigation' named entity 'pathogens' named entity 'surface area' named entity 'photometer' named entity 'UVC' named entity 'photometer' named entity 'air turbulence' named entity 'agar plates' named entity 'disinfection' named entity 'infectious agent' named entity 'UVC' named entity 'disinfection' named entity 'S. epidermidis' named entity 'disinfection' named entity 'sterile technique' named entity 'UVC' named entity 'microbes' named entity 'organism' named entity 'position 1' named entity 'healthcare worker' named entity 'environmental resistance' named entity 'comorbidities' named entity 'infection' named entity 'skin cancer' named entity 'microbial contamination' named entity 'desiccation' named entity 'infection' named entity 'Biosafety level 1' named entity 'UVC' named entity 'relative humidity' named entity 'p-value' named entity 'electrolyzed' named entity 'low humidity' named entity 'photometer' named entity '0.01' named entity 'cellular damage' named entity 'CRE' named entity 'S. epidermidis' named entity 'quaternary ammonium' named entity 'healthcare industry' named entity 'spore' named entity 'Sterility' named entity 'bacterial strain' named entity 'TSB' named entity 'MRSA' named entity 'spore formers' named entity 'morbidity' named entity 'organism' named entity 'norovirus' named entity 'UVC' named entity 'B. subtilis' named entity 'UVC' named entity 'S. epidermidis' named entity 'humidity' named entity 'disinfection' named entity 'germicidal lamps' named entity 'microbes' named entity 'pathogenicity' named entity 'UVC' named entity 'body fluids' named entity 'U.S.' named entity 'Acinetobacter baumannii' named entity 'healthcare systems' named entity 'S. epidermidis' named entity 'irradiation' named entity 'disinfection' named entity 'hypervirulent' named entity 'C. difficile' named entity 'B. subtilis' named entity 'UVC' named entity 'skin cancer'

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