An inexpensive particle monitor for smoker behaviour modification in homes

Semple, Sean; Apsley, Andrew; MacCalman, Laura

doi:10.1136/tobaccocontrol-2011-050401

Cited by 57 publications

(78 citation statements)

References 13 publications

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“…The Dylos has been used and evaluated in other studies, both indoors and outdoors, e.g. by Semple et al (2012Semple et al ( , 2013, in the context of exposure to SHS, and by Northcross et al (2013) and Holstius et al (2014) who compared the performance of the Dylos against other commercially-available particle monitors (both for chamber and ambient environments).…”

Section: Portable Monitoring Solutionmentioning

confidence: 99%

“…In the following the instrument is referred to as the Dylos. This device, which has already been successfully applied in studies assessing second-hand smoke (SHS) exposure (Semple et al, 2012(Semple et al, , 2013, has distinct advantages over other small and lightweight equipment typically used in occupational exposure assessments. The Dylos produces low, barely audible, noise levels and the ease of operation reduces the burden on the participants and enables volunteers to carry it without substantially interfering with their daily routine.…”

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confidence: 99%

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Personal exposure monitoring of PM 2.5 in indoor and outdoor microenvironments

Steinle

Reis

Sabel

et al. 2015

Science of The Total Environment

Self Cite

279

178

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Adverse health effects from exposure to air pollution are a global challenge and of widespread concern. Recent high ambient concentration episodes of air pollutants in European cities highlighted the dynamic nature of human exposure and the gaps in data and knowledge about exposure patterns. In order to support health impact assessment it is essential to develop a better understanding of individual exposure pathways in people's everyday lives by taking account of all environments in which people spend time. Here we describe the development, validation and results of an exposure method applied in a study conducted in Scotland. A low-cost particle counter based on light-scattering technology - the Dylos 1700 was used. Its performance was validated in comparison with equivalent instruments (TEOM-FDMS) at two national monitoring network sites (R(2)=0.9 at a rural background site, R(2)=0.7 at an urban background site). This validation also provided two functions to convert measured PNCs into calculated particle mass concentrations for direct comparison of concentrations with equivalent monitoring instruments and air quality limit values. This study also used contextual and time-based activity data to define six microenvironments (MEs) to assess everyday exposure of individuals to short-term PM2.5 concentrations. The Dylos was combined with a GPS receiver to track movement and exposure of individuals across the MEs. Seventeen volunteers collected 35 profiles. Profiles may have a different overall duration and structure with respect to times spent in different MEs and activities undertaken. Results indicate that due to the substantial variability across and between MEs, it is essential to measure near-complete exposure pathways to allow for a comprehensive assessment of the exposure risk a person encounters on a daily basis. Taking into account the information gained through personal exposure measurements, this work demonstrates the added value of data generated by the application of low-cost monitors.

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Section: Portable Monitoring Solutionmentioning

confidence: 99%

mentioning

confidence: 99%

Personal exposure monitoring of PM 2.5 in indoor and outdoor microenvironments

Steinle

Reis

Sabel

et al. 2015

Science of The Total Environment

Self Cite

279

178

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“…These results add new information to characterize secondhand exposure to ecigarette emissions and warrant further research using sensitive particle monitors to assess longer period of time [17]. Additional research is needed assessing these relevant chemicals and potential new ones across a variety of ecigarette devices as well as measuring personal biological markers among exposed people [8••].…”

Section: Discussionmentioning

confidence: 99%

Particulate Matter from Electronic Cigarettes and Conventional Cigarettes: a Systematic Review and Observational Study

Fernández

Ballbè

Sureda

et al. 2015

Curr Envir Health Rpt

105

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Objectives The aim of this study is to review the literature on the composition of aerosols from electronic cigarettes (ecigarettes) originated by human vaping and to describe the emission of particulate matter ≤2.5 μm in diameter (PM 2.5 ) from conventional and e-cigarettes at home in real-use conditions. Methods We conducted a systematic literature search in PubMed and Web of Science. We measured PM 2.5 in four different homes: one from a conventional cigarette smoker, one from an e-cigarette user, and two from non-smokers. Results The review identified eight previous investigations on the composition of aerosols from e-cigarettes originated by human vaping and indicated that emissions from ecigarettes can contain potential toxic compounds such as nicotine, carbonyls, metals, and organic volatile compounds, besides particulate matter. In the observational study, the PM 2.5 median concentration was 9.88 μg/m 3 in the e-cigarette user home and 9.53 and 9.36 μg/m 3 in the smoke-free homes, with PM 2.5 peaks concurrent with the e-cigarette puffs. Conclusion Both the literature review and the observational study indicate that e-cigarettes used under real-conditions emit toxicants, including PM 2.5 . Further research is needed to characterize the chemicals emitted by different types of ecigarettes and to assess secondhand exposure to e-cigarette aerosol using biological markers.

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“…We hypothesize that such a message would have maximum impact, similar to the ways in which delivering the PM2.5 levels worked in the cited REFRESH study (Wilson, Ritchie, et al, 2013, Wilson, Semple, et al, 2012. We should also be able to correlate our electronic measurements to others currently in use, such as the real-time PM2.5 studies (Semple, Apsley, & MacCalman, 2012), by a cross calibration. Response of the sensor, in terms of relative resistance, generated from repetitive smoking of 10 cigarettes in the Teague system.…”

Section: Impactmentioning

confidence: 99%

Detection of Secondhand Cigarette Smoke via Nicotine Using Conductive Polymer Films

Liu

Antwi-Boampong

BelBruno

et al. 2013

Nicotine & Tobacco Research

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The 2006 U.S. Surgeon General's Report found that there is no safe level of exposure to secondhand smoke (SHS). Many smokers attempt to protect others from exposure to SHS; however, it is difficult to assess effectiveness of these behavior changes. There is a need for personal monitoring devices that provide real-time SHS exposure data; at present, there is no device that measures ambient nicotine levels in real time. The development of such a sensor is the objective of this research.

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An inexpensive particle monitor for smoker behaviour modification in homes

Cited by 57 publications

References 13 publications

Personal exposure monitoring of PM 2.5 in indoor and outdoor microenvironments

Personal exposure monitoring of PM 2.5 in indoor and outdoor microenvironments

Particulate Matter from Electronic Cigarettes and Conventional Cigarettes: a Systematic Review and Observational Study

Detection of Secondhand Cigarette Smoke via Nicotine Using Conductive Polymer Films

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