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https://www.readbyqxmd.com/read/27918460/indoor-air-quality-in-the-metro-system-in-north-taiwan
#1
Ying-Yi Chen, Fung-Chang Sung, Mei-Lien Chen, I-Fang Mao, Chung-Yen Lu
Indoor air pollution is an increasing health concern, especially in enclosed environments such as underground subway stations because of increased global usage by urban populations. This study measured the indoor air quality of underground platforms at 10 metro stations of the Taipei Rapid Transit system (TRTS) in Taiwan, including humidity, temperature, carbon monoxide (CO), carbon dioxide (CO₂), formaldehyde (HCHO), total volatile organic compounds (TVOCs), ozone (O₃), airborne particulate matter (PM10 and PM2...
December 2, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27914645/comparison-of-diverse-estimation-methods-for-personal-exposure-to-air-pollutants-and-associations-with-allergic-symptoms-the-allergy-gene-environment-link-angel-study
#2
Young-Min Kim, Jihyun Kim, Youngshin Han, Byung-Jae Lee, Dong-Chull Choi, Hae-Kwan Cheong, Byoung-Hak Jeon, Inbo Oh, Gwi-Nam Bae, Jae Young Lee, Chang-Heok Kim, SungChul Seo, Su Ryeon Noh, Kangmo Ahn
We estimated the exposure to ambient air pollutants and analyzed the associations with allergic diseases. We enrolled 177 children with atopic dermatitis (AD) and 70 asthmatic adults living in Seoul Metropolitan Area, Korea, and followed for 17months between August 2013 and December 2014. Parents or patients recorded symptom scores on a daily basis. Exposure to particulate matter with a diameter <10μm (PM10) and nitrogen dioxide (NO2) was estimated in four different ways in each individual, using the AQ1 (measurements from the nearest air quality monitoring station to residential houses), AQ2 (measurements modified from AQ1 with the indoor level of air pollutants and time activity of each individual), AQ1-DI, and AQ2-DI (measurements modified from AQ1 and AQ2, respectively, with daily inhalation intakes of air pollutants)...
November 30, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27908624/a-review-of-biomass-burning-emissions-and-impacts-on-air-quality-health-and-climate-in-china
#3
REVIEW
Jianmin Chen, Chunlin Li, Zoran Ristovski, Andelija Milic, Yuantong Gu, Mohammad S Islam, Shuxiao Wang, Jiming Hao, Hefeng Zhang, Congrong He, Hai Guo, Hongbo Fu, Branka Miljevic, Lidia Morawska, Phong Thai, Yun Fat Lam, Gavin Pereira, Aijun Ding, Xin Huang, Umesh C Dumka
Biomass burning (BB) is a significant air pollution source, with global, regional and local impacts on air quality, public health and climate. Worldwide an extensive range of studies has been conducted on almost all the aspects of BB, including its specific types, on quantification of emissions and on assessing its various impacts. China is one of the countries where the significance of BB has been recognized, and a lot of research efforts devoted to investigate it, however, so far no systematic reviews were conducted to synthesize the information which has been emerging...
November 28, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27891015/erratum-enhancing-indoor-air-quality-the-air-filter-advantage
#4
(no author information available yet)
[This corrects the article on p. 473 in vol. 32, PMID: 26628762.].
November 2016: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/27890988/variability-in-proteinase-antiproteinase-balance-nutritional-status-and-quality-of-life-in-stable-chronic-obstructive-pulmonary-disease-due-to-tobacco-and-nontobacco-etiology
#5
Anant Mohan, Mini Sharma, Arvind Uniyal, Rajlaxmi Borah, Kalpana Luthra, R M Pandey, Karan Madan, Vijay Hadda, Randeep Guleria
CONTEXT: Although the role of proteinase/antiproteinase imbalance in chronic obstructive pulmonary disease (COPD) due to tobacco is well established, information in COPD due to nontobacco etiology is sparse. AIMS: To assess the variability in metalloproteinase activity in COPD related to tobacco and nontobacco causes. SETTINGS AND DESIGN: This is a hospital-based, prospective, observational study. SUBJECTS AND METHODS: Serum matrix metalloproteinase-9 (MMP-9) and tissue inhibitor of metalloproteinases-1 (TIMP-1) were estimated in 200 subjects divided equally into four groups, i...
November 2016: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/27888933/review-on-modeling-heat-transfer-and-thermoregulatory-responses-in-human-body
#6
REVIEW
Ming Fu, Wenguo Weng, Weiwang Chen, Na Luo
Several mathematical models of human thermoregulation have been developed, contributing to a deep understanding of thermal responses in different thermal conditions and applications. In these models, the human body is represented by two interacting systems of thermoregulation: the controlling active system and the controlled passive system. This paper reviews the recent research of human thermoregulation models. The accuracy and scope of the thermal models are improved, for the consideration of individual differences, integration to clothing models, exposure to cold and hot conditions, and the changes of physiological responses for the elders...
December 2016: Journal of Thermal Biology
https://www.readbyqxmd.com/read/27876224/microenvironmental-air-quality-impact-of-a-commercial-scale-biomass-heating-system
#7
Zheming Tong, Bo Yang, Philip K Hopke, K Max Zhang
Initiatives to displace petroleum and climate change mitigation have driven a recent increase in space heating with biomass combustion. However, there is ample evidence that biomass combustion emits significant quantities of health damaging pollutants. We investigated the near-source micro-environmental air quality impact of a biomass-fueled combined heat and power system equipped with an electrostatic precipitator (ESP) in Syracuse, NY. Two rooftop sampling stations with PM2.5 and CO2 analyzers were established in such that one could capture the plume while the other one served as the background for comparison depending on the wind direction...
January 2017: Environmental Pollution
https://www.readbyqxmd.com/read/27869682/an-indoor-monitoring-system-for-ambient-assisted-living-based-on-internet-of-things-architecture
#8
Gonçalo Marques, Rui Pitarma
The study of systems and architectures for ambient assisted living (AAL) is undoubtedly a topic of great relevance given the aging of the world population. The AAL technologies are designed to meet the needs of the aging population in order to maintain their independence as long as possible. As people typically spend more than 90% of their time in indoor environments, indoor air quality (iAQ) is perceived as an imperative variable to be controlled for the inhabitants' wellbeing and comfort. Advances in networking, sensors, and embedded devices have made it possible to monitor and provide assistance to people in their homes...
November 17, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27867426/fragranced-consumer-products-exposures-and-effects-from-emissions
#9
Anne Steinemann
Fragranced consumer products, such as cleaning supplies, air fresheners, and personal care products, are a primary source of indoor air pollutants and personal exposure. Previous research indicates that fragranced products can trigger adverse health effects, with implications for workplaces and public places. This is the first study to examine the multiple dimensions of exposures related to fragranced products and effects in the US population. The study investigated the prevalence and types of fragranced product exposures, associated health effects, awareness of product emissions, and preferences for fragrance-free policies and environments...
2016: Air Quality, Atmosphere, & Health
https://www.readbyqxmd.com/read/27866741/assessment-of-indoor-air-quality-in-office-buildings-across-europe-the-officair-study
#10
Corinne Mandin, Marilena Trantallidi, Andrea Cattaneo, Nuno Canha, Victor G Mihucz, Tamás Szigeti, Rosanna Mabilia, Erica Perreca, Andrea Spinazzè, Serena Fossati, Yvonne De Kluizenaar, Eric Cornelissen, Ioannis Sakellaris, Dikaia Saraga, Otto Hänninen, Eduardo De Oliveira Fernandes, Gabriela Ventura, Peder Wolkoff, Paolo Carrer, John Bartzis
The European project OFFICAIR aimed to broaden the existing knowledge regarding indoor air quality (IAQ) in modern office buildings, i.e., recently built or refurbished buildings. Thirty-seven office buildings participated in the summer campaign (2012), and thirty-five participated in the winter campaign (2012-2013). Four rooms were investigated per building. The target pollutants were twelve volatile organic compounds, seven aldehydes, ozone, nitrogen dioxide and particulate matter with aerodynamic diameter <2...
November 17, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27846224/effectiveness-of-six-improved-cookstoves-in-reducing-household-air-pollution-and-their-acceptability-in-rural-western-kenya
#11
Tamara Pilishvili, Jennifer D Loo, Stephanie Schrag, Debbi Stanistreet, Bryan Christensen, Fuyuen Yip, Ronald Nyagol, Robert Quick, Mike Sage, Nigel Bruce
BACKGROUND: Household air pollution (HAP) from biomass fuel burning is linked to poor health outcomes. Improved biomass cookstoves (ICS) have the potential to improve HAP. OBJECTIVES: A pre-/post- intervention study assessed the impact of six ICS on indoor air quality and acceptability of ICS to local users in rural Western Kenya. METHODS: We measured mean personal and kitchen level concentrations of particulate matter <2.5μm in diameter (PM2...
2016: PloS One
https://www.readbyqxmd.com/read/27816059/knowledge-and-perceptions-of-air-pollution-in-ningbo-china
#12
Xujun Qian, Guozhang Xu, Li Li, Yueping Shen, Tianfeng He, Yajun Liang, Zuyao Yang, Wan Wei Zhou, Jiaying Xu
BACKGROUND: The residents' knowledge, attitudes and practices related to ambient air pollution and health will help to improve the understanding of environmental protection and make environmental health policies more targeted and effective. This study aimed at knowing the attitudes and behaviors towards ambient air pollution and health. METHODS: A cross-sectional survey was conducted in Ningbo, China in January 2015. Personal information and questions pertaining to the knowledge, attitudes and practices towards ambient air pollution and health were collected through questionnaire investigations...
November 5, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27809331/development-of-a-photocatalytic-filter-to-control-indoor-air-quality
#13
Barbara Del Curto, Paolo Tarsini, Alberto Cigada
BACKGROUND: The aim of this work was the development and characterization of a photocatalytic filter for the treatment of indoor air, characterized by a low pressure drop. METHODS: The filter (photocatalytic filter) was based on a polyester substrate additivated with active carbon (Carbotex 150-6), treated with a sol of titanium dioxide (Sol 121-AB; NextMaterials Ltd.) and illuminated with UV LEDs to induce photocatalytic activity. RESULTS: Tests showed that this filter, used in a suitable device for air circulation with a very low noise level, had the ability to block solid particulates, to photocatalytically oxidize a major fraction of volatile organic compounds (VOCs) and deactivate all of the bacteria blocked on the filter, in contrast to traditional commercial air filters on which the bacteria remain viable...
November 2, 2016: Journal of Applied Biomaterials & Functional Materials
https://www.readbyqxmd.com/read/27798320/effects-of-hookah-smoking-on-indoor-air-quality-in-homes
#14
Michael Weitzman, Afzal Hussein Yusufali, Fatma Bali, M J Ruzmyn Vilcassim, Shashank Gandhi, Richard Peltier, Arthur Nadas, Scott Sherman, Lily Lee, Zhang Hong, Jenni Shearston, Su Hyun Park, Terry Gordon
INTRODUCTION: Hookahs (water pipes) are rapidly increasing in popularity worldwide. Evidence suggests that although perceived as safer than cigarette smoke, hookah smoke may be as, or even more, dangerous as cigarette smoke. METHODS: Air samples from 33 homes-11 where only hookah-smoking occurred, 12 with only cigarettes and 10 with no smoking-were collected to analyse concentrations of particulate matter (PM2.5), black carbon, elemental and organic carbon and carbon monoxide (CO)...
October 26, 2016: Tobacco Control
https://www.readbyqxmd.com/read/27792953/impacts-of-household-coal-and-biomass-combustion-on-indoor-and-ambient-air-quality-in-china-current-status-and-implication
#15
Qing Li, Jingkun Jiang, Shuxiao Wang, Krassi Rumchev, Ryan Mead-Hunter, Lidia Morawska, Jiming Hao
This review briefly introduces current status of indoor and ambient air pollution originating from household coal and biomass combustion in mainland China. Owing to low combustion efficiency, emissions of CO, PM2.5, black carbon (BC), and polycyclic aromatic hydrocarbons have significant adverse consequences for indoor and ambient air qualities, resulting in relative contributions of more than one-third in all anthropogenic emissions. Their contributions are higher in less economically developed regions, such as Guizhou (61% PM2...
October 25, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27792033/assessment-of-dust-exposure-in-a-steel-plant-in-the-eastern-coast-of-peninsular-malaysia
#16
A H Nurul, B M T Shamsul, I Noor Hassim
BACKGROUND: Steel manufacturing produces dust, fumes, and pollutant gases that may give adverse health effects to the respiratory function of workers. Improper occupational hygiene practice in the workplace will affect both workers wellbeing and productivity. OBJECTIVE: To assess the level of particulate matter [(PM2.5, PM10, and Total Particulate Matter (TPM)], and trace metal dust concentrations in different sections of a steel plant and compare with the occupational exposure values...
October 28, 2016: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/27790067/arabidopsis-thaliana-as-bioindicator-of-fungal-vocs-in-indoor-air
#17
Samantha Lee, Richard Hung, Guohua Yin, Maren A Klich, Casey Grimm, Joan W Bennett
In this paper, we demonstrate the ability of Arabidopsis thaliana to detect different mixtures of volatile organic compounds (VOCs) emitted by the common indoor fungus, Aspergillus versicolor, and demonstrate the potential usage of the plant as a bioindicator to monitor fungal VOCs in indoor air. We evaluated the volatile production of Aspergillus versicolor strains SRRC 108 (NRRL 3449) and SRRC 2559 (ATCC 32662) grown on nutrient rich fungal medium, and grown under conditions to mimic the substrate encountered in the built environment where fungi would typically grow indoors (moist wallboard and ceiling tiles)...
September 2016: Mycobiology
https://www.readbyqxmd.com/read/27778085/-the-waterpipe-shisha-indoor-air-quality-human-biomonitoring-and-health-effects
#18
Hermann Fromme, Wolfgang Schober
Waterpipe (WP) smoking, also known as shisha or hookah smoking, is growing in western countries as an alternative to cigarette smoking, especially in younger age groups. A majority of smokers mistakenly believe that shisha smoking is a social entertainment practice that leads to more social behavior and relaxation and that this type of smoking is safe or less harmful and less addictive than cigarette smoking.In reality, WP smokers are exposed to hundreds of toxic substances that include well-known carcinogens...
October 24, 2016: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
https://www.readbyqxmd.com/read/27769774/exposure-and-health-impact-evaluation-based-on-simultaneous-measurement-of-indoor-and-ambient-pm2-5-in-haidian-beijing
#19
Meng Qi, Xi Zhu, Wei Du, Yilin Chen, Yuanchen Chen, Tianbo Huang, Xuelian Pan, Qirui Zhong, Xu Sun, Eddy Y Zeng, Baoshan Xing, Shu Tao
Because people spend most of their time indoors, the characterization of indoor air quality is important for exposure assessment. Unfortunately, indoor air data are scarce, leading to a major data gap in risk assessment. In this study, PM2.5 concentrations in both indoor and outdoor air were simultaneously measured using on-line particulate counters in 13 households in Haidian, Beijing for both heating and non-heating seasons. A bimodal distribution of PM2.5 concentrations suggests rapid transitions between polluted and non-polluted situations...
January 2017: Environmental Pollution
https://www.readbyqxmd.com/read/27761865/appraisal-of-a-hybrid-air-cleaning-process
#20
Mattia Pierpaoli, Chiara Giosuè, Maria Letizia Ruello, Gabriele Fava
Nowadays, there is an amplified interest in maintaining suitable indoor air quality (IAQ). Besides a wide range of available interventions, air cleaners are considered a valuable tool, since based on inexpensive and easily implementing technologies to improve IAQ. The purpose of this work is to combine the TiO2-photocatalysis with the electrostatic and adsorption processes, in order to improve efficiency and reliability. A TiO2-photocatalytic oxidation combined with an electrostatic filter has been studied...
October 19, 2016: Environmental Science and Pollution Research International
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