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Article: Bacterial survival in evaporating deposited droplets on a teflon-coated surface

TitleBacterial survival in evaporating deposited droplets on a teflon-coated surface
Authors
KeywordsBacterial survival
Desiccation effect
Droplet
Evaporation effect
Salinity effect
Issue Date2006
PublisherSpringer. The Journal's web site is located at http://link.springer.de/link/service/journals/00253/index.htm
Citation
Applied Microbiology And Biotechnology, 2006, v. 73 n. 3, p. 703-712 How to Cite?
AbstractUnderstanding of bacterial survival in aerosols is crucial for controlling infection transmission via airborne aerosols and/or large droplets routes. The cell viability changes of four bacteria species (Escherichia coli K12 JM109; Acinetobacter sp. 5A5; Pseudomonas oleovorans X5; and Staphylococcus aureus X8), three Gram-negative and one Gram-positive, in a large evaporating droplet of size 1,800 μm in diameter on teflon-coated slides were measured using the LIVE/DEAD BacLight solution and a microscope. Droplets of three levels of salinity (0, 0.9, and 36% w/v) were tested. All four species survived well during the droplet evaporation process, but died mostly at the time when droplets were dried out at 40-45 min. The final bacteria survival rate after droplets were completely dried was dependent on bacteria species and the salinity of the suspension solution. Droplet evaporation over the first 35-40 min had no adverse effect on bacterial survival for the droplets tested. The lethal effect of desiccation was found to be the most important death mechanism. © 2006 Springer-Verlag.
Persistent Identifierhttp://hdl.handle.net/10722/71644
ISSN
2015 Impact Factor: 3.376
2015 SCImago Journal Rankings: 1.262
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorXie, Xen_HK
dc.contributor.authorLi, Yen_HK
dc.contributor.authorZhang, Ten_HK
dc.contributor.authorFang, HHPen_HK
dc.date.accessioned2010-09-06T06:33:52Z-
dc.date.available2010-09-06T06:33:52Z-
dc.date.issued2006en_HK
dc.identifier.citationApplied Microbiology And Biotechnology, 2006, v. 73 n. 3, p. 703-712en_HK
dc.identifier.issn0175-7598en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71644-
dc.description.abstractUnderstanding of bacterial survival in aerosols is crucial for controlling infection transmission via airborne aerosols and/or large droplets routes. The cell viability changes of four bacteria species (Escherichia coli K12 JM109; Acinetobacter sp. 5A5; Pseudomonas oleovorans X5; and Staphylococcus aureus X8), three Gram-negative and one Gram-positive, in a large evaporating droplet of size 1,800 μm in diameter on teflon-coated slides were measured using the LIVE/DEAD BacLight solution and a microscope. Droplets of three levels of salinity (0, 0.9, and 36% w/v) were tested. All four species survived well during the droplet evaporation process, but died mostly at the time when droplets were dried out at 40-45 min. The final bacteria survival rate after droplets were completely dried was dependent on bacteria species and the salinity of the suspension solution. Droplet evaporation over the first 35-40 min had no adverse effect on bacterial survival for the droplets tested. The lethal effect of desiccation was found to be the most important death mechanism. © 2006 Springer-Verlag.en_HK
dc.languageengen_HK
dc.publisherSpringer. The Journal's web site is located at http://link.springer.de/link/service/journals/00253/index.htmen_HK
dc.relation.ispartofApplied Microbiology and Biotechnologyen_HK
dc.subjectBacterial survivalen_HK
dc.subjectDesiccation effecten_HK
dc.subjectDropleten_HK
dc.subjectEvaporation effecten_HK
dc.subjectSalinity effecten_HK
dc.subject.meshAcinetobacter - physiologyen_HK
dc.subject.meshAerosolsen_HK
dc.subject.meshBacteriaen_HK
dc.subject.meshBacterial Physiological Phenomenaen_HK
dc.subject.meshColony Count, Microbialen_HK
dc.subject.meshDesiccationen_HK
dc.subject.meshEscherichia coli - physiologyen_HK
dc.subject.meshKineticsen_HK
dc.subject.meshMicrobial Viabilityen_HK
dc.subject.meshModels, Biologicalen_HK
dc.subject.meshPolytetrafluoroethyleneen_HK
dc.subject.meshSodium Chloride - chemistryen_HK
dc.subject.meshStaphylococcus aureus - physiologyen_HK
dc.subject.meshSurface Propertiesen_HK
dc.subject.meshWater - chemistryen_HK
dc.subject.meshWater Microbiologyen_HK
dc.titleBacterial survival in evaporating deposited droplets on a teflon-coated surfaceen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0175-7598&volume=73&spage=703&epage=712&date=2006&atitle=Bacterial+survival+in+evaporating+deposited+droplets+on+a+teflon-coated+surface.++en_HK
dc.identifier.emailLi, Y:liyg@hkucc.hku.hken_HK
dc.identifier.emailZhang, T:zhangt@hkucc.hku.hken_HK
dc.identifier.emailFang, HHP:hrechef@hkucc.hku.hken_HK
dc.identifier.authorityLi, Y=rp00151en_HK
dc.identifier.authorityZhang, T=rp00211en_HK
dc.identifier.authorityFang, HHP=rp00115en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1007/s00253-006-0492-5en_HK
dc.identifier.pmid17053902-
dc.identifier.scopuseid_2-s2.0-33750983614en_HK
dc.identifier.hkuros127892en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33750983614&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume73en_HK
dc.identifier.issue3en_HK
dc.identifier.spage703en_HK
dc.identifier.epage712en_HK
dc.identifier.isiWOS:000242057700013-
dc.publisher.placeGermanyen_HK
dc.identifier.scopusauthoridXie, X=14627859000en_HK
dc.identifier.scopusauthoridLi, Y=7502094052en_HK
dc.identifier.scopusauthoridZhang, T=24470677400en_HK
dc.identifier.scopusauthoridFang, HHP=7402542625en_HK
dc.identifier.citeulike1041858-

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