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Heather Morgan, Elizabeth Treasure, Mo Tabib, Majella Johnston, Chris Dunkley, Deborah Ritchie, Sean Semple, Steve Turner
BACKGROUND: Maternal smoking can cause health complications in pregnancy. Particulate matter (PM2.5) metrics applied to second hand smoke (SHS) concentrations provide indoor air quality (IAQ) measurements and have been used to promote smoking behaviour change among parents of young children. Here, we present the qualitative results from a study designed to use IAQ measurements to help pregnant women who smoke to quit smoking. METHODS: We used IAQ measurements in two centres (Aberdeen and Coventry) using two interventions: 1...
October 12, 2016: BMC Pregnancy and Childbirth
Deepak Singh, Amit Kumar, Krishan Kumar, Bupender Singh, Usha Mina, Braj Bihari Singh, Vinod Kumar Jain
Indoor Air Quality (IAQ) is considered to be of great concern due to its adverse impact on the human health nowadays. The presence of different air pollutants along with noise may aggravate the IAQ. The present study attempts to examine IAQ in terms of major criteria air pollutants (O3, NOx=NO+NO2, CO and PM2.5) along with total volatile organic compound (TVOC), individual VOC and noise pollution in indoor and outdoor environment of a Commercial Shopping Complex (CSC) in Delhi. Real time measurements have been carried out for O3, NOx, CO, PM2...
August 27, 2016: Science of the Total Environment
Kazuhide Ito
In modern society where people spend more than 90% of their time in indoor spaces, the indoor air quality (IAQ) created by buildings has the potential of greatly influencing quality of life. Because the time spent by workers/residents in indoor spaces has increased over time, the importance of IAQ issues in terms of public health is also increasing. Additionally, the quality of the indoor thermal environment also has great impact on human comfort and performance; hence, the development of a comprehensive prediction method integrating indoor air quality/thermal environment assessment and human physiological responses, is crucial for creating a healthy, comfortable, and productive indoor environment...
2016: Proceedings of the Japan Academy. Series B, Physical and Biological Sciences
Chung-Yen Lu, Sy-Yuan Kang, Shu-Hui Liu, Cheng-Wei Mai, Chao-Heng Tseng
Indoor air quality (IAQ) control of hospitals plays a critical role in protecting both hospital staffs and patients, particularly those who are highly susceptible to the adverse effects of indoor noxious hazards. However, moxibustion in outpatient departments (OPDs) of traditional Chinese medicine (TCM) may be a source of indoor air pollution in hospitals. Some studies have investigated indoor air pollution during moxibustion in Chinese medicine clinics (CMCs) and moxibustion rooms, demonstrating elevated air pollutants that pose a threat to the health of medical staff and patients...
2016: International Journal of Environmental Research and Public Health
W Stuart Dols, Steven J Emmerich, Brian J Polidoro
Building modelers need simulation tools capable of simultaneously considering building energy use, airflow and indoor air quality (IAQ) to design and evaluate the ability of buildings and their systems to meet today's demanding energy efficiency and IAQ performance requirements. CONTAM is a widely-used multizone building airflow and contaminant transport simulation tool that requires indoor temperatures as input values. EnergyPlus is a prominent whole-building energy simulation program capable of performing heat transfer calculations that require interzone and infiltration airflows as input values...
August 2016: Building Simulation
Allahbakhsh Javid, Amir Abbas Hamedian, Hamed Gharibi, Mohammad Hossein Sowlat
BACKGROUND: In the past few decades, Indoor Air Pollution (IAP) has become a primary concern to the point. It is increasingly believed to be of equal or greater importance to human health compared to ambient air. However, due to the lack of comprehensive indices for the integrated assessment of indoor air quality (IAQ), we aimed to develop a novel, Fuzzy-Based Indoor Air Quality Index (FIAQI) to bridge the existing gap in this area. METHODS: We based our index on fuzzy logic, which enables us to overcome the limitations of traditional methods applied to develop environmental quality indices...
February 2016: Iranian Journal of Public Health
Prashant Kumar, Andreas N Skouloudis, Margaret Bell, Mar Viana, M Cristina Carotta, George Biskos, Lidia Morawska
Household air pollution is ranked the 9(th) largest Global Burden of Disease risk (Forouzanfar et al., The Lancet 2015). People, particularly urban dwellers, typically spend over 90% of their daily time indoors, where levels of air pollution often surpass those of outdoor environments. Indoor air quality (IAQ) standards and approaches for assessment and control of indoor air require measurements of pollutant concentrations and thermal comfort using conventional instruments. However, the outcomes of such measurements are usually averages over long integrated time periods, which become available after the exposure has already occurred...
August 1, 2016: Science of the Total Environment
W Stuart Dols, Steven J Emmerich, Brian J Polidoro
: Building energy analysis tools are available in many forms that provide the ability to address a broad spectrum of energy-related issues in various combinations. Often these tools operate in isolation from one another, making it difficult to evaluate the interactions between related phenomena and interacting systems, forcing oversimplified assumptions to be made about various phenomena that could otherwise be addressed directly with another tool. One example of such interdependence is the interaction between heat transfer, inter-zone airflow and indoor contaminant transport...
March 2016: Building Services Engineering Research & Technology: BSER & T
Pedro T B S Branco, Rafael A O Nunes, Maria C M Alvim-Ferraz, Fernando G Martins, Sofia I V Sousa
The literature proves an evident association between indoor radon exposure and lung cancer, even at low doses. This study brings a new approach to the study of children's exposure to radon by aiming to evaluate exposure to indoor radon concentrations in nursery and primary schools from two districts in Portugal (Porto and Bragança), considering different influencing factors (occupation patterns, classroom floor level, year of the buildings' construction and soil composition of the building site), as well as the comparison with IAQ standard values for health protection...
April 2016: International Journal of Environmental Research and Public Health
Eerika Finell, Ulla Haverinen-Shaughnessy, Asko Tolvanen, Seppo Laaksonen, Sakari Karvonen, Reijo Sund, Vesa Saaristo, Pauliina Luopa, Timo Ståhl, Tuula Putus, Juha Pekkanen
Subjective evaluation of indoor air quality (subjective IAQ) reflects both building related and psychosocial factors, but their associations have rarely been studied other than on the individual level in occupational settings and their interactions have not been assessed. We therefore studied whether schools' observed indoor air problems and psychosocial factors are associated with subjective IAQ, and their potential interactions. The analysis was done with a nationwide sample (N= 195 schools/ 26946 students) using multilevel modelling...
March 28, 2016: Indoor Air
Kanistha C Coombs, Ginger L Chew, Christopher Schaffer, Patrick H Ryan, Cole Brokamp, Sergey A Grinshpun, Gary Adamkiewicz, Steve Chillrud, Curtis Hedman, Meryl Colton, Jamie Ross, Tiina Reponen
Green eco-friendly housing includes approaches to reduce indoor air pollutant sources and to increase energy efficiency. Although sealing/tightening buildings can save energy and reduce the penetration of outdoor pollutants, an adverse outcome can be increased buildup of pollutants with indoor sources. The objective of this study was to determine the differences in the indoor air quality (IAQ) between green and non-green homes in low-income housing complexes. In one housing complex, apartments were renovated using green principles (n=28)...
June 1, 2016: Science of the Total Environment
A De Luca, S Santra, R Ghosh, S Z Ali, J W Gardner, P K Guha, F Udrea
In this paper we present a temperature-modulated graphene oxide (GO) resistive humidity sensor that employs complementary-metal-oxide-semiconductor (CMOS) micro-electro-mechanical-system (MEMS) micro-hotplate technology for the monitoring and control of indoor air quality (IAQ). GO powder is obtained by chemical exfoliation, dispersed in water and deposited via ink-jet printing onto a low power micro-hotplate. Atomic force microscopy (AFM) and transmission electron microscopy (TEM) show the typical layered and wrinkled morphology of the GO...
February 28, 2016: Nanoscale
Ana Nikolic, Giulia Ricci, Francesco Sera, Elisabetta Bucci, Monica Govi, Fabiano Mele, Marta Rossi, Lucia Ruggiero, Liliana Vercelli, Sabrina Ravaglia, Giacomo Brisca, Chiara Fiorillo, Luisa Villa, Lorenzo Maggi, Michelangelo Cao, Maria Chiara D'Amico, Gabriele Siciliano, Giovanni Antonini, Lucio Santoro, Tiziana Mongini, Maurizio Moggio, Lucia Morandi, Elena Pegoraro, Corrado Angelini, Antonio Di Muzio, Carmelo Rodolico, Giuliano Tomelleri, Maria Grazia D'Angelo, Claudio Bruno, Angela Berardinelli, Rossella Tupler
OBJECTIVES: Facioscapulohumeral muscular dystrophy type 1 (FSHD1) has been genetically linked to reduced numbers (≤ 8) of D4Z4 repeats at 4q35. Particularly severe FSHD cases, characterised by an infantile onset and presence of additional extra-muscular features, have been associated with the shortest D4Z4 reduced alleles with 1-3 repeats (1-3 DRA). We searched for signs of perinatal onset and evaluated disease outcome through the systematic collection of clinical and anamnestic records of de novo and familial index cases and their relatives, carrying 1-3 DRA...
2016: BMJ Open
Gianluigi de Gennaro, Paolo Rosario Dambruoso, Alessia Di Gilio, Valerio Di Palma, Annalisa Marzocca, Maria Tutino
Around 50% of the world's population, particularly in developing countries, uses biomass as one of the most common fuels. Biomass combustion releases a considerable amount of various incomplete combustion products, including particulate matter (PM) and polycyclic aromatic hydrocarbons (PAHs). The paper presents the results of Indoor Air Quality (IAQ) measurements in six houses equipped with wood burning stoves or fireplaces as heating systems. The houses were monitored for 48-h periods in order to collect PM10 samples and measure PAH concentrations...
January 2016: International Journal of Environmental Research and Public Health
Hongbin Liu, ChangKyoo Yoo
Developing accurate soft sensors to predict and monitor the indoor air quality (IAQ) of hazardous pollutants that accumulate in underground metro systems is of key importance. The just-in-time (JIT) learning technique possesses a local feature that can track the variations in the dynamic process more effectively, which is different from the traditional soft sensor modeling methods, such as partial least squares (PLS), which models the process in an offline and global way. In this study, a robust soft sensor that combined the JIT learning technique with a least squares support vector regression (LSSVR) method, named JIT-LSSVR, was derived in order to improve the prediction performance of a PM2...
March 15, 2016: Journal of Hazardous Materials
Pedro Carreiro-Martins, Ana Luisa Papoila, Iolanda Caires, Susana Azevedo, Maria Manuela Cano, Daniel Virella, Paula Leiria-Pinto, João Paulo Teixeira, José Rosado-Pinto, Isabella Annesi-Maesano, Nuno Neuparth
BACKGROUND: Scarce information is available about the relationships between indoor air quality (IAQ) at day care centers (DCC), the estimated predisposition for asthma, and the actual wheezing susceptibility. METHODS: In the Phase II of ENVIRH study, 19 DCC were recruited after cluster analysis. Children were evaluated firstly using the ISAAC questionnaire and later by a follow-up questionnaire about recent wheezing. A positive asthma predictive index (API) was considered as predisposition for asthma...
May 2016: Pediatric Allergy and Immunology
John Dixon
No abstract text is available yet for this article.
September 2015: Occupational Health & Safety
A Mazzatenta, M Pokorski, A Di Tano, M Cacchio, C Di Giulio
The real-time exhaled volatile organic compounds (VOCs) have been suggested as a new biomarker to detect and monitor physiological processes in the respiratory system. The VOCs profile in exhaled breath reflects the biochemical alterations related to metabolic changes, organ failure, and neuronal activity, which are, at least in part, transmitted via the lungs to the alveolar exhaled breath. Breath analysis has been applied to investigate cancer, lung failure, and neurodegenerative diseases. There are by far no studies on the real-time monitoring of VOCs in sensory stimulation in healthy subjects...
2016: Advances in Experimental Medicine and Biology
Hironari Sakamoto, Shigehisa Uchiyama, Akiko Kihara, Toyoshige Tsutake, Kanae Bekki, Yohei Inaba, Hideki Nakagome, Naoki Kunugita
OBJECTIVES: Indoor air quality (IAQ) is a major concern, because people on average spend the vast majority of their time indoors and they are repeatedly exposed to indoor air pollutants. In this study, to assess indoor air quality in Chiba City, gaseous chemical compounds were surveyed using four types of diffusive sampler. METHODS: Gaseous chemical compounds such as carbonyls, volatile organic compounds (VOC), acid gases, basic gases, and ozone were measured in indoor and outdoor air of 50 houses throughout Chiba City in winter and summer...
2015: Nihon Eiseigaku Zasshi. Japanese Journal of Hygiene
Chien-Cheng Jung, Huey-Jen Su, Hsiu-Hao Liang
This study investigates the effects of high body mass index (BMI) of subjects on individual who exhibited high cardiovascular disease indexes with blood pressure (BP) and heart rate (HR) when exposed to high levels of indoor air pollutants. We collected 115 office workers, and measured their systolic blood pressure (SBP), diastolic blood pressure (DBP) and HR at the end of the workday. The subjects were divided into three groups according to BMI: 18-24 (normal weight), 24-27 (overweight) and >27 (obese)...
January 1, 2016: Science of the Total Environment
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