Progress and priorities in reducing indoor air pollution in developing countries

Carter, Ellison; Earnest, Charles M.; Gall, Elliott T.; Stephens, Brent

doi:10.1111/j.1600-0668.2011.00759.x

Cited by 9 publications

(7 citation statements)

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“…In addition, we believe our dust collection method may be a better predictor of long-term residential contamination in our study population. Although residents may not be directly in contact with the undisturbed dust collected, the dust should be representative of general ambient contamination and potential exposures via non-dietary ingestion, inhalation, dermal absorption of adhered dust, and dermal absorption of gaseous compounds (Weschler and Nazaroff, 2012), as semi-volatile chemicals partition between the dust and gaseous phase (Weschler and Nazaroff, 2010; Weschler et al, 2008). …”

Section: Discussionmentioning

confidence: 99%

Undisturbed dust as a metric of long-term indoor insecticide exposure: Residential DDT contamination from indoor residual spraying and its association with serum levels in the VHEMBE cohort

Gaspar

Chevrier

Bornman

et al. 2015

Environment International

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Although approximately 123 million people may be exposed to high levels of insecticides through the use of indoor residual spraying (IRS) for malaria control, few studies exist on indoor insecticide contamination due to IRS and its relationship with human exposure. In the present study, we developed a sampling method to collect undisturbed dust from 50 homes in Limpopo, South Africa, a region where dichlorodiphenyltrichloroethane (DDT) has been used in IRS programs to prevent malaria for ~70 years. We quantified DDT and its degradation products, dichlorodiphenyldichloroethylene (DDE), and dichlorodiphenyldichloroethane (DDD) in dust samples to determine dust loading levels and compared these levels to paired serum concentrations of p,p’-DDT and p,p’-DDE in women residents. p,p’-DDT and p,p’-DDE had the highest detection frequencies in both dust (58% and 34% detection, respectively) and serum samples (98% and 100% detection, respectively). Significantly higher detection frequencies for o,p’-DDT, p,p’-DDE, and p,p’-DDD were observed in dust samples collected in buildings that had been previously sprayed for malaria control. We also observed a significant, positive association between dust loading and serum concentrations of p,p’-DDT and p,p’-DDE (Spearman’s rho = 0.68 and 0.54, respectively). Despite the low detection frequency in dust, our results indicate that undisturbed dust may be a good metric to quantify longterm home exposure to DDT-related compounds and that contamination of the home environment may be an important determinant/source of DDT and DDE exposure.

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Section: Discussionmentioning

confidence: 99%

Undisturbed dust as a metric of long-term indoor insecticide exposure: Residential DDT contamination from indoor residual spraying and its association with serum levels in the VHEMBE cohort

Gaspar

Chevrier

Bornman

et al. 2015

Environment International

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“…In summary, the use of solid fuel for cooking not only causes disease suffering and cognitive decline but also exacerbates aging and environmental pollution problems in China. Solid fuel use not only brings about severe health risks to users but also exacerbates gender inequality in a negative way 33,34 . In low-and middle-income regions such as rural China, women have lower cognitive function than men because families may only emphasize the development of male ability traditionally but ignore women's demands 35 .…”

Section: Discussionmentioning

confidence: 99%

Association between solid fuel use and cognitive decline among middle-aged and elderly Chinese adults: a longitudinal study

Sun

et al. 2021

Sci Rep

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This study was conducted to investigate (1) the association between solid fuel use for cooking and cognitive function; (2) the moderating effects of gender and residential area on cognitive scores among solid fuel users; and (3) the effects of solid fuel use on cognitive decline among different gender and age subgroups in 2011–2018. A total of 5140 Chinese middle-aged and elderly participants were successfully followed for 7 years (2011–2018). Solid fuel use was self-reported as using solid fuel for cooking at home, and cognitive function was assessed by 4 parts: episodic memory, time orientation, numerical ability and picture drawing. After adjusting for covariates, solid fuel users had lower cognitive scores, and the moderation effects of gender and residence on cognitive function were significant among the solid fuel users. In addition, compared with the group of clean fuel users, solid fuel users had a faster decline rate of cognitive function among the subgroups of female and elderly people.

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“…The World Health Organization estimates that nearly two million people die prematurely each year from indoor air pollution 1 .…”

Section: Introductionmentioning

confidence: 99%

“…T he World Health Organization estimates that nearly two million people die prematurely each year from indoor air pollution. 1 Indoor air pollutants include particulate matter, as in the case of dust arising simply from ventilation 2 or in the severe case of dust from solid combustibles (which has become a major source of indoor air pollution in China 3 ); combustion gases, such as nitrogen dioxide, carbon monoxide, and sulfur dioxide; microbial products; cigarette smoke; volatile organic compounds from carpets, upholstery, and toiletries; and pollutants from ambient air. 4 The increased use of air conditioning in many countries aggravates the exposure to indoor pollutants.…”

mentioning

confidence: 99%

Bioluminescent Liquid Light Guide Pad Biosensor for Indoor Air Toxicity Monitoring

2015

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Indoor air pollution became a recent concern found to be oftentimes worse than outdoor air quality. We developed a tool that is cheap and simple and enables continuous monitoring of air toxicity. It is a biosensor with both a nondisposable (monitor) and disposable (calcium alginate pads with immobilized bacteria) elements. Various parameters to enhance its signal have been tested (including the effect of the pad's orientation, it's exposure to either temperature or time with the air toxicant analyte, and various concentrations thereof). Lastly, the sensor has demonstrated its ability to sense the presence of chemicals in a real, indoor environment. This is the first step in the creation of a sensitive and simple operative tool that may be used in different indoor environments.

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Progress and priorities in reducing indoor air pollution in developing countries

Cited by 9 publications

References 0 publications

Undisturbed dust as a metric of long-term indoor insecticide exposure: Residential DDT contamination from indoor residual spraying and its association with serum levels in the VHEMBE cohort

Undisturbed dust as a metric of long-term indoor insecticide exposure: Residential DDT contamination from indoor residual spraying and its association with serum levels in the VHEMBE cohort

Association between solid fuel use and cognitive decline among middle-aged and elderly Chinese adults: a longitudinal study

Bioluminescent Liquid Light Guide Pad Biosensor for Indoor Air Toxicity Monitoring

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