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Aerosolization of fine particles increases due to microbial contamination of metalworking fluids

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Title: Aerosolization of fine particles increases due to microbial contamination of metalworking fluids
Authors: Wang, H.X.1, Reponen, T. tiina.reponen@uc.edu, Li, W.1, Martuzevicius, D., Grinshpun, S.A.1, Willeke, K.1
Source: Journal of Aerosol Science. May2005, Vol. 36 Issue 5/6, p721-734. 14p.
Subjects: Microbial contamination, Microbiology, Microorganisms, Fluid mechanics
Abstract: Abstract: Aerosolization of microorganisms from metalworking fluids (MWFs) was studied using a laboratory-scale set-up simulating grinding operations. An optical particle counter (OPC), a condensation nucleus counter (CNC), an electrical low pressure impactor (ELPI), and a photometric aerosol mass monitor were used to measure the airborne particles and microorganisms aerosolized from MWFs. The tests were performed using a semi-synthetic MWF with and without bacterial contamination (Pseudomonas fluorescens). Microbial contamination of the MWF increased the number and mass concentrations of aerosolized particles by a factor of 2 (as measured by the OPC and the photometric aerosol mass monitor, respectively). At the same time, there was an up to 50-fold increase in the concentration of fine particles , as measured by the CNC. The data collected with the ELPI showed that the peak of the fine particle number concentration was at . The results indicate that MWF mist may contain high concentrations of microbial fragments, which may not be detected by traditional microbial analysis methods, such as cultivation or microscopic counting. [Copyright &y& Elsevier]
Copyright of Journal of Aerosol Science is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 17698732
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Aerosolization of fine particles increases due to microbial contamination of metalworking fluids
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+H%2EX%2E%22">Wang, H.X.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Reponen%2C+T%2E%22">Reponen, T.</searchLink><i> tiina.reponen@uc.edu</i><br /><searchLink fieldCode="AR" term="%22Li%2C+W%2E%22">Li, W.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Martuzevicius%2C+D%2E%22">Martuzevicius, D.</searchLink><br /><searchLink fieldCode="AR" term="%22Grinshpun%2C+S%2EA%2E%22">Grinshpun, S.A.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Willeke%2C+K%2E%22">Willeke, K.</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Aerosol+Science%22">Journal of Aerosol Science</searchLink>. May2005, Vol. 36 Issue 5/6, p721-734. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Microbial+contamination%22">Microbial contamination</searchLink><br /><searchLink fieldCode="DE" term="%22Microbiology%22">Microbiology</searchLink><br /><searchLink fieldCode="DE" term="%22Microorganisms%22">Microorganisms</searchLink><br /><searchLink fieldCode="DE" term="%22Fluid+mechanics%22">Fluid mechanics</searchLink>
– Name: Abstract
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  Data: Abstract: Aerosolization of microorganisms from metalworking fluids (MWFs) was studied using a laboratory-scale set-up simulating grinding operations. An optical particle counter (OPC), a condensation nucleus counter (CNC), an electrical low pressure impactor (ELPI), and a photometric aerosol mass monitor were used to measure the airborne particles and microorganisms aerosolized from MWFs. The tests were performed using a semi-synthetic MWF with and without bacterial contamination (Pseudomonas fluorescens). Microbial contamination of the MWF increased the number and mass concentrations of aerosolized particles by a factor of 2 (as measured by the OPC and the photometric aerosol mass monitor, respectively). At the same time, there was an up to 50-fold increase in the concentration of fine particles , as measured by the CNC. The data collected with the ELPI showed that the peak of the fine particle number concentration was at . The results indicate that MWF mist may contain high concentrations of microbial fragments, which may not be detected by traditional microbial analysis methods, such as cultivation or microscopic counting. [Copyright &y& Elsevier]
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  Data: <i>Copyright of Journal of Aerosol Science is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.jaerosci.2004.11.007
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      – Code: eng
        Text: English
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              Text: May2005
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