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Environmental Research

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https://www.readbyqxmd.com/read/28528142/per-and-polyfluoroalkyl-substances-pfas-in-american-red-cross-adult-blood-donors-2000-2015
#1
Geary W Olsen, David C Mair, Cleston C Lange, Laura M Harrington, Timothy R Church, Corinne L Goldberg, Ross M Herron, Hank Hanna, John B Nobiletti, Jorge A Rios, William K Reagen, Carol A Ley
In 2015, thirteen per- and polyfluoroalkyl substances (PFAS), including perfluorohexanesulfonate (PFHxS), perfluorooctanesulfonate (PFOS), perfluorooctanoate (PFOA), perfluorononanoate (PFNA), and perfluorodecanoate (PFDA) were analyzed in human plasma that was collected from a total of 616 American Red Cross male and female blood donors (ages 20-69) at 6 regional blood collection centers. Plasma samples were analyzed using a validated solvent precipitation-isotope dilution direction-liquid chromatography tandem mass spectrometry method...
May 17, 2017: Environmental Research
https://www.readbyqxmd.com/read/28525860/a-comparison-of-individual-exposure-perception-and-acceptable-levels-of-pm2-5-with-air-pollution-policy-objectives-in-china
#2
Lei Huang, Chao Rao, Tsering Jan van der Kuijp, Jun Bi, Yang Liu
Atmospheric pollution has emerged as a major public health issue in China. Public perception and acceptable risk levels of air pollution can prompt individual behavioral changes and play a major role in the public's response to health risks. Therefore, to explore these responses and evaluate what constitutes publicly acceptable concentrations of fine particulate matter (PM2.5), questionnaire surveys were conducted in three representative cities of China: Beijing, Nanjing, and Guangzhou. Great differences in public risk perception were revealed...
May 16, 2017: Environmental Research
https://www.readbyqxmd.com/read/28525859/the-association-between-ambient-inhalable-particulate-matter-and-the-disease-burden-of-respiratory-disease-an-ecological-study-based-on-ten-year-time-series-data-in-tianjin-china
#3
Qiang Zeng, Ziting Wu, Guohong Jiang, Xiaoyin Wu, Pei Li, Yang Ni, Xiuqin Xiong, Xinyan Wang, Parasat, Guoxing Li, Xiaochuan Pan
There is limited evidence available worldwide about the quantitative relationship between particulate matter with an aerodynamic diameter of less than 10µm (PM10) and years of life lost (YLL) caused by respiratory diseases (RD), especially regarding long-term time series data. We investigated the quantitative exposure-response association between PM10 and the disease burden of RD. We obtained the daily concentration of ambient pollutants (PM10, nitrogen dioxide and sulphur dioxide), temperature and relative humidity data, as well as the death monitoring data from 2001 to 2010 in Tianjin...
May 16, 2017: Environmental Research
https://www.readbyqxmd.com/read/28525858/effects-of-intermediate-frequency-magnetic-fields-on-male-fertility-indicators-in-mice
#4
K Kumari, M Capstick, A M Cassara, M Herrala, H Koivisto, J Naarala, H Tanila, M Viluksela, J Juutilainen
Human exposure to intermediate frequency (IF) fields is increasing due to new applications such as electronic article surveillance systems, wireless power transfer and induction heating cookers. However, limited data is available on effects of IF magnetic fields (MF) on male fertility function. This study was conducted to assess possible effects on fertility indicators from exposure to IF MF. Male C57BL/6J mice were exposed continuously for 5 weeks to 7.5kHz MF at 12 and 120μT. Sperm cells from cauda epididymis were analysed for motility, total sperm counts, and head abnormalities...
May 16, 2017: Environmental Research
https://www.readbyqxmd.com/read/28525857/industrial-air-emissions-and-proximity-to-major-industrial-emitters-are-associated-with-anti-citrullinated-protein-antibodies
#5
Sasha Bernatsky, Audrey Smargiassi, Lawrence Joseph, Phillip Awadalla, Ines Colmegna, Marie Hudson, Marvin J Fritzler
OBJECTIVE: To determine the association of anti-citrullinated antibodies (ACPA) with the ambient air pollutants fine particulate matter (PM2.5) and sulfur dioxide (SO2). METHODS: The CARTaGENE first-wave cohort includes 20,000 general population subjects from Quebec (Canada). On a sample of unselected 1586 subjects, we determined serum, ACPA and performed multivariable logistic regression, for the outcome of positive ACPA, assessing for independent effects of our air pollution variables, adjusting for age, sex, smoking, and French Canadian origin...
May 16, 2017: Environmental Research
https://www.readbyqxmd.com/read/28521257/arsenic-in-drinking-water-and-adverse-birth-outcomes-in-ohio
#6
Kirsten S Almberg, Mary E Turyk, Rachael M Jones, Kristin Rankin, Sally Freels, Judith M Graber, Leslie T Stayner
BACKGROUND: Arsenic in drinking water has been associated with adverse reproductive outcomes in areas with high levels of naturally occurring arsenic. Less is known about the reproductive effects of arsenic at lower levels. OBJECTIVES: This research examined the association between low-level arsenic in drinking water and small for gestational age (SGA), term low birth weight (term LBW), very low birth weight (VLBW), preterm birth (PTB), and very preterm birth (VPTB) in the state of Ohio...
May 15, 2017: Environmental Research
https://www.readbyqxmd.com/read/28511138/neurodevelopment-for-the-first-three-years-following-prenatal-mobile-phone-use-radio-frequency-radiation-and-lead-exposure
#7
Kyung-Hwa Choi, Mina Ha, Eun-Hee Ha, Hyesook Park, Yangho Kim, Yun-Chul Hong, Ae-Kyoung Lee, Jong Hwa Kwon, Hyung-Do Choi, Nam Kim, Suejin Kim, Choonghee Park
BACKGROUND: Studies examining prenatal exposure to mobile phone use and its effect on child neurodevelopment show different results, according to child's developmental stages. OBJECTIVES: To examine neurodevelopment in children up to 36 months of age, following prenatal mobile phone use and radiofrequency radiation (RFR) exposure, in relation to prenatal lead exposure. METHODS: We analyzed 1198 mother-child pairs from a prospective cohort study (the Mothers and Children's Environmental Health Study)...
May 13, 2017: Environmental Research
https://www.readbyqxmd.com/read/28511080/cadmium-and-alzheimer-s-disease-mortality-in-u-s-adults-updated-evidence-with-a-urinary-biomarker-and-extended-follow-up-time
#8
Qing Peng, Kelly M Bakulski, Bin Nan, Sung Kyun Park
Cadmium has been linked to impaired cognitive function in adults and may cause behavioral, physiological and molecular abnormalities characteristic of Alzheimer's disease (AD) in animals. Evidence linking cadmium and AD in humans is limited, but supportive. In the most recent epidemiologic study, blood cadmium in U.S. adults was positively associated with elevated AD mortality 7-13 years later. The association between urinary cadmium - an arguably more appropriate biomarker for studying chronic diseases - and AD mortality has not yet been explored...
May 13, 2017: Environmental Research
https://www.readbyqxmd.com/read/28511079/psychosocial-stress-and-obesity-among-children-residing-in-kaunas-city
#9
Regina Grazuleviciene, Inga Petraviciene, Sandra Andrusaityte, Birute Balseviciene
INTRODUCTION: An unfavorable psychosocial environment has been associated with an increased prevalence of obesity among children. However, the available evidence on the association of low socioeconomic status and parent-child relationships with childhood obesity is scarce. The aim of our study was to conduct a simultaneous evaluation of the risks associated with pathological mother-child relationships, education level, and overweight/obesity among 4-6 year-old children. METHODS: This cross-sectional study included 1489 mother-child pairs living in Kaunas city, Lithuania...
May 13, 2017: Environmental Research
https://www.readbyqxmd.com/read/28511078/performance-of-electro-osmotic-dewatering-on-different-types-of-sewage-sludge
#10
Simone Visigalli, Andrea Turolla, Paolo Gronchi, Roberto Canziani
The feasibility of pressure-driven electro-dewatering (EDW) on sludge samples taken after different biological processes, stabilisation methods or mechanical dewatering techniques was assessed. First, the influence of potential values on EDW of anaerobically and aerobically stabilised, mechanically dewatered, sludge samples was investigated. Preliminary tests carried out by applying a constant potential (10, 15 and 20V) in a lab-scale device confirmed the possibility to reach a dry solid (DS) content of up to 42...
May 13, 2017: Environmental Research
https://www.readbyqxmd.com/read/28505591/factors-associated-with-serum-thyroglobulin-in-a-ukrainian-cohort-exposed-to-iodine-131-from-the-accident-at-the-chernobyl-nuclear-plant
#11
Kamau O Peters, Mykola Tronko, Maureen Hatch, Valeriy Oliynyk, Galyna Terekhova, Ruth M Pfeiffer, Victor M Shpak, Robert J McConnell, Vladimir Drozdovitch, Mark P Little, Lydia B Zablotska, Kiyohiko Mabuchi, Alina V Brenner, Elizabeth K Cahoon
BACKGROUND: Serum thyroglobulin (Tg) is associated with the presence of thyroid disease and has been proposed as a biomarker of iodine status. Few studies have examined factors related to serum Tg in populations environmentally exposed to ionizing radiation and living in regions with endemic mild-to-moderate iodine deficiency. METHODS: We screened 10,430 individuals who were living in Ukraine and under 18 years of age at the time of the 1986 Chernobyl Nuclear Power Plant accident for thyroid disease from 2001 to 2003...
May 12, 2017: Environmental Research
https://www.readbyqxmd.com/read/28501677/modeling-variability-in-air-pollution-related-health-damages-from-individual-airport-emissions
#12
Stefani L Penn, Scott T Boone, Brian C Harvey, Wendy Heiger-Bernays, Yorghos Tripodis, Sarav Arunachalam, Jonathan I Levy
In this study, we modeled concentrations of fine particulate matter (PM2.5) and ozone (O3) attributable to precursor emissions from individual airports in the United States, developing airport-specific health damage functions (deaths per 1000t of precursor emissions) and physically-interpretable regression models to explain variability in these functions. We applied the Community Multiscale Air Quality model using the Decoupled Direct Method to isolate PM2.5- or O3-related contributions from precursor pollutants emitted by 66 individual airports...
May 11, 2017: Environmental Research
https://www.readbyqxmd.com/read/28501653/incorporating-wind-availability-into-land-use-regression-modelling-of-air-quality-in-mountainous-high-density-urban-environment
#13
Yuan Shi, Kevin Ka-Lun Lau, Edward Ng
Urban air quality serves as an important function of the quality of urban life. Land use regression (LUR) modelling of air quality is essential for conducting health impacts assessment but more challenging in mountainous high-density urban scenario due to the complexities of the urban environment. In this study, a total of 21 LUR models are developed for seven kinds of air pollutants (gaseous air pollutants CO, NO2, NOx, O3, SO2 and particulate air pollutants PM2.5, PM10) with reference to three different time periods (summertime, wintertime and annual average of 5-year long-term hourly monitoring data from local air quality monitoring network) in Hong Kong...
May 11, 2017: Environmental Research
https://www.readbyqxmd.com/read/28501654/urinary-organophosphate-insecticide-metabolite-concentrations-during-pregnancy-and-children-s-interpersonal-communication-repetitive-and-stereotypic-behaviors-at-8-years-of-age-the-home-study
#14
Marisa E Millenson, Joseph M Braun, Antonia M Calafat, Dana Boyd Barr, Yen-Tsung Huang, Aimin Chen, Bruce P Lanphear, Kimberly Yolton
BACKGROUND: Prenatal exposure to organophosphate insecticides may be associated with autism spectrum disorders and related behaviors. This association may be modified by single nucleotide polymorphisms in the paraoxonase (PON1) enzyme. OBJECTIVE: We examined the relationship of prenatal organophosphate insecticide biomarkers with reciprocal social, repetitive, and stereotypic behaviors in 8-year old children, and modification of this relationship by child PON1 polymorphisms...
May 10, 2017: Environmental Research
https://www.readbyqxmd.com/read/28500962/the-methylation-levels-of-the-h19-differentially-methylated-region-in-human-umbilical-cords-reflect-newborn-parameters-and-changes-by-maternal-environmental-factors-during-early-pregnancy
#15
Hidenobu Miyaso, Kenichi Sakurai, Shunya Takase, Akifumi Eguchi, Masahiro Watanabe, Hideoki Fukuoka, Chisato Mori
H19 is a tumor-suppressor gene, and changes in the methylation of the H19-differential methylation region (H19-DMR) are related to human health. However, little is known about the factors that regulate the methylation levels of H19-DMR. Several recent studies have shown that maternal environmental factors during pregnancy, such as smoking, drinking, chemical exposure, and nutrient intake, can alter the methylation levels of several genes in fetal tissues. In this study, we examined the effects of maternal factors on changes in the methylation levels of H19-DMR in the human umbilical cord (UC), an extra-embryonic tissue...
May 10, 2017: Environmental Research
https://www.readbyqxmd.com/read/28499249/estimates-of-potential-childhood-lead-exposure-from-contaminated-soil-using-the-us-epa-ieubk-model-in-sydney-australia
#16
Mark A S Laidlaw, Shaike M Mohmmad, Brian L Gulson, Mark P Taylor, Louise J Kristensen, Gavin Birch
Surface soils in portions of the Sydney (New South Wales, Australia) urban area are contaminated with lead (Pb) primarily from past use of Pb in gasoline, the deterioration of exterior lead-based paints, and industrial activities. Surface soil samples (n=341) were collected from a depth of 0-2.5cm at a density of approximately one sample per square kilometre within the Sydney estuary catchment and analysed for lead. The bioaccessibility of soil Pb was analysed in 18 samples. The blood lead level (BLL) of a hypothetical 24 month old child was predicted at soil sampling sites in residential and open land use using the United States Environmental Protection Agency (US EPA) Integrated Exposure Uptake and Biokinetic (IEUBK) model...
May 9, 2017: Environmental Research
https://www.readbyqxmd.com/read/28499248/influence-of-fertilisation-with-sewage-sludge-derived-preparation-on-selected-soil-properties-and-prairie-cordgrass-yield
#17
Ewa Ociepa, Maciej Mrowiec, Joanna Lach
The aim of the study was to evaluate the effect of using a fertilizer obtained from waste substances on selected physical and chemical properties of soil and biomass yield Spartina pectinate. The fertilizer used for soil (C) fertilisation contained sewage sludge (SS), waste soil fractions of brown coal (BC), brown coal ash (BCA) enriched with mineral potassium (K) fertilizer (C+SS+BC+BCA+K). The composition of the preparation was developed by the authors and adjusted to the quality of the fertilised soil and the individual characteristics of the plant...
May 9, 2017: Environmental Research
https://www.readbyqxmd.com/read/28494429/decompose-the-association-between-heatwave-and-mortality-which-type-of-heatwave-is-more-detrimental
#18
Zhiwei Xu, Shilu Tong
BACKGROUND: Heatwaves is the most hazardous natural disaster in Australia and its health impacts need to be well unveiled, but how to properly define a heatwave is still debatable. This study aimed to identify which type of heatwave is more detrimental to health and to elucidate which temperature indicator is more suitable for heatwave definition and early warning. METHODS: We categorized temperature into extremely-hot and not-extremely-hot, and extremely-hot temperature refers to temperature at least ≥96th percentile of the monthly temperature distribution, and accordingly, heatwaves were categorized into four types: 1) Type I: extremely-hot days followed by extremely-hot nights (HWboth); 2) Type II: extremely-hot days followed by not-extremely-hot nights (HWday); 3) Type III: not-extremely-hot days followed by extremely-hot nights (HWnight); and 4) Type IV: not-extremely-hot days followed by not-extremely-hot nights (HWwarm)...
May 8, 2017: Environmental Research
https://www.readbyqxmd.com/read/28486200/mutagenicity-of-particle-emissions-from-solid-fuel-cookstoves-a-literature-review-and-research-perspective
#19
REVIEW
Guofeng Shen
Household solid fuel use is a major source of many air pollutants causing severe air pollution and adverse health outcomes. In evaluation of health impacts of household air pollution, it is essential to characterize toxic properties like mutagenicity of residential fuel combustion emissions and exposure assessments. Mutagenicity of emissions from solid fuel cookstoves were analyzed through a literature review. T98 and TA100 strains are two most widely used strains in mutagenic Ames test, and results for these two strains are generally positively correlated though they have different endpoints...
May 6, 2017: Environmental Research
https://www.readbyqxmd.com/read/28482296/is-mercury-exposure-causing-diabetes-metabolic-syndrome-and-insulin-resistance-a-systematic-review-of-the-literature
#20
REVIEW
Cynthia Roy, Pierre-Yves Tremblay, Pierre Ayotte
INTRODUCTION: Several populations are exposed to mercury (Hg) via their environment, occupation or diet. It is hypothesized that Hg exposure can lead to the development of diabetes mellitus (DM). Metabolic syndrome (MS) is also a possible outcome as its symptoms are closely linked to those of DM. METHOD: We conducted a systematic review of the literature by screening Web of Science, MEDLINE, SciFinder and Embase and we included original studies pertaining to the relationship of total Hg exposure (elemental, inorganic or organic) to DM, MS or insulin resistance...
May 5, 2017: Environmental Research
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