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Quan Zhang, Ximing Wang, Jianqiang Zhu, Zhe Li, Ye Wang
The Grand Canal is one of the most important waterways and sources of drinking water in China. The security of this water environment has a strong influence on national economic development and public health. However, data on the pollution status and potential risks due to persistent organic pollutants (POPs) in this area is insufficient. In this study, we selected a branch of the Grand Canal in Hangzhou as the study subject from which 16 surface water samples were collected in the summer of 2016. The concentrations of organochlorine pesticides (OCPs) (including 4 hexachlorocyclohexanes (HCHs) and 6 dichlorodiphenyltrichloroethanes (DDTs)), 12 polycyclic aromatic hydrocarbons (PAHs), and 35 polychlorinated biphenyls (PCBs) in the water samples were determined by gas chromatography-mass spectrometry (GC-MS)...
March 12, 2018: Environmental Monitoring and Assessment
Mitra Tabari, Homayoon Alaghemand, Durdi Qujeq, Elahe Mohammadi
Aims and Objectives: Dental erosion is a common disease in children. Food diets, due to high amounts of juice, soft drinks, chewing gum, and acidic chocolate, are one of the most important risk factors in erosive processes among children. The aim of this study was to evaluate the effect of candy and chocolate on the microhardness of tooth enamel. Materials and Methods: Two types of popping candy and one type of popping chocolate were used in this study. Thirty-three healthy permanent premolar teeth and 33 primary incisor teeth (A or B) were selected...
November 2017: Journal of International Society of Preventive & Community Dentistry
J P Unyimadu, O Osibanjo, J O Babayemi
This study assessed the levels and distribution of selected persistent organic pollutants (POPs) in water of River Niger. The selected POPs of interest were organochlorine pesticides (OCPs). Fifteen representative sites along River Niger: three each from Gurara River (tributary) in Niger State, Lokoja (confluence) in Kogi State, Onitsha in Anambra State, Brass and Nicolas Rivers (tributaries) in Bayelsa State were selected for sampling quarterly over a 24-month period. A total of 240 surface and bottom water samples were collected using Van Dorn water sampler in the eight quarters of 2008-2009...
December 6, 2017: Environmental Monitoring and Assessment
J P Unyimadu, O Osibanjo, J O Babayemi
Contamination of rivers with persistent organic pollutants (POPs) is an issue of current global concern. Polychlorinated biphenyls (PCBs) are POPs with origin from commercial, incineration and industrial sources. Hence, there is a need for monitoring their occurrence and distribution in the environment. This study assessed the occurrence, distribution and composition profiles of PCBs in River Niger, Nigeria. Surface and bottom water samples were collected in consecutive quarters for a period of 2 years, covering the beginning and end of the rainy seasons and the dry seasons, from five locations (Gurara, Lokoja, Onitsha, Brass and Nicolas) along River Niger...
January 2018: Toxicology and Industrial Health
Alison B Singer, Arthur S Aylsworth, Christina Cordero, Lisa A Croen, Carolyn DiGuiseppi, M Daniele Fallin, Amy H Herring, Stephen R Hooper, Rebecca E Pretzel, Laura A Schieve, Gayle C Windham, Julie L Daniels
BACKGROUND: Prenatal alcohol exposure can affect neurodevelopment, but few studies have examined associations with autism spectrum disorder (ASD). METHODS: We assessed the association between maternal alcohol use and ASD in the Study to Explore Early Development, a multi-site case-control study of children born between September 2003 and August 2006 in the US Regression analyses included 684 children with research clinician-confirmed ASD, 869 children with non-ASD developmental delays or disorders (DDs), and 962 controls ascertained from the general population (POP)...
November 2017: Paediatric and Perinatal Epidemiology
Jennifer D Ellis, Emily R Grekin, Jessica R Beatty, Lucy McGoron, Benjamin V LaLiberte, Damaris E Pop, Anthony P Kostecki, Steven J Ondersma
Computer-delivered, brief interventions (CDBIs) have been an increasingly popular way to treat alcohol use disorders; however, very few studies have examined which characteristics of CDBIs maximize intervention effectiveness. The literature has consistently demonstrated that therapist empathy is associated with reduced substance use in in-person therapy; however, it is unclear whether this principle applies to CDBIs. Therefore, the study aimed to examine whether the presence of an empathic narrator increased intentions to reduce heavy drinking in a CDBI...
July 18, 2017: Contemporary Clinical Trials
Briana Aguila, Qi Sun, Jason A Perman, Lyndsey D Earl, Carter W Abney, Radwan Elzein, Rudy Schlaf, Shengqian Ma
The primary challenge in materials design and synthesis is achieving the balance between performance and economy for real-world application. This issue is addressed by creating a thiol functionalized porous organic polymer (POP) using simple free radical polymerization techniques to prepare a cost-effective material with a high density of chelating sites designed for mercury capture and therefore environmental remediation. The resulting POP is able to remove aqueous and airborne mercury with uptake capacities of 1216 and 630 mg g(-1) , respectively...
June 14, 2017: Advanced Materials
Gabrielle Miller, Caitlin Merlo, Zewditu Demissie, Sarah Sliwa, Sohyun Park
Beverages play an important role in the diets of adolescents because they help to maintain hydration and can provide important nutrients, such as calcium, vitamin D, and vitamin C (1). However, some beverages, such as sugar-sweetened beverages (SSBs) (e.g., soda or pop), provide calories with no beneficial nutrients. Beverage consumption patterns among American youth have changed over time; however, little is known about differences in consumption of various beverages by demographic characteristics such as grade in school, free/reduced price lunch eligibility, and race/ethnicity (2)...
February 3, 2017: MMWR. Morbidity and Mortality Weekly Report
Michele L Susko, Michael S Bloom, Iulia A Neamtiu, Allison A Appleton, Simona Surdu, Cristian Pop, Edward F Fitzgerald, Doru Anastasiu, Eugen S Gurzau
High level arsenic exposure is associated with reproductive toxicity in experimental and observational studies; however, few data exist to assess risks at low levels. Even less data are available to evaluate the impact of low level arsenic exposure on human fecundity. Our aim in this pilot study was a preliminary evaluation of associations between low level drinking water arsenic contamination and female fecundity. This retrospective study was conducted among women previously recruited to a hospital-based case-control study of spontaneous pregnancy loss in Timiṣ County, Romania...
April 2017: Environmental Research
Michelle Porepa, Melissa Chan, Joelene Huber, Catherine G Lam, Hosanna Au, Catherine S Birken
BACKGROUND: Health magazines effectively deliver health information. No data regarding student-led magazines to promote health exist. OBJECTIVE: To evaluate whether children's health knowledge, interests and lifestyle choices improve following distribution of a student-led health magazine. METHODS: Elementary students worked with teachers and paediatric residents to publish a health magazine. A healthy lifestyle challenge page promoted reduction in soda pop consumption...
April 2016: Paediatrics & Child Health
Dehua Xia, Irene M C Lo
Ibuprofen (IBU) is one of the representative persistent organic pollutants (POPs) which can cause severe adverse effects in humans and wildlife. Therefore, effectively removing IBU from water is a worldwide necessity. In this study, a novel superparamagnetic Bi2O4/Fe3O4 nanocomposite was successfully prepared by an in-situ growth method and utilized for photocatalytic removal of IBU. The structural characterization of the Bi2O4/Fe3O4 nanocomposite indicates that the monodisperse Fe3O4 nanoparticles of diameter 10 nm are highly assembled on the Bi2O4 nanorods of diameter 120 nm...
September 1, 2016: Water Research
Celeste D Butts, Michael S Bloom, Iulia A Neamtiu, Simona Surdu, Cristian Pop, Doru Anastasiu, Edward F Fitzgerald, Eugen S Gurzau
We conducted a pilot study of associations between drinking water contaminated by inorganic arsenic (iAs), mostly <10 μg/L, and self-reported chronic diseases in 297 pregnant women. Adjusted for confounding variables, we identified a positive association between iAs and heart disease (OR = 1.63, 95%CI 0.81-3.04, p = 0.094), which was stronger for women living at their current residence ≥ 10 years (OR = 2.47, 95%CI 0.87-10.43, p = 0.058). Confounder-adjusted associations were also suggested for iAs with kidney disease (OR = 1...
November 2015: Environmental Toxicology and Pharmacology
Simona Surdu, Michael S Bloom, Iulia A Neamtiu, Cristian Pop, Doru Anastasiu, Edward F Fitzgerald, Eugen S Gurzau
Anemia is a global health problem. To evaluate the impact of low-moderate water arsenic exposure (mostly <10 µg/L) on anemia, we conducted a cross-sectional study of 217 Romanian women. The adjusted prevalences for 'any' anemia (prevalence proportion ratio (PPR)=1.71, 95% CI 0.75-3.88) and pregnancy anemia (PPR=2.87, 95% CI 0.62-13.26) were higher among drinking water arsenic exposed women than among unexposed women. These preliminary data underscore the need for a more definitive study in this area.
July 2015: Environmental Research
Ana Miralles-Marco, Stuart Harrad
Perfluorooctane sulfonate (PFOS) found extensive use for over 60 years up until its restriction in the early 2000s, culminating in its listing under the Stockholm Convention on Persistent Organic Pollutants (POPs) in 2009. Efforts to minimise human body burdens are hindered by uncertainty over their precise origins. While diet appears the principal source for the majority of western populations (with other pathways like dust ingestion, drinking water and inhalation also important contributors); the role played by exposure to PFOS-precursor compounds followed by in vivo metabolism to PFOS as the ultimate highly stable end-product is unclear...
April 2015: Environment International
Onur Kenan Ulutaş, Ismet Çok, Feyza Darendeliler, Banu Aydin, Asuman Çoban, Bernhard Henkelmann, Karl-Werner Schramm
The human body is not a chemically uncontaminated system. Every simple action that humans undertake, such as drinking water, eating, nursing, and even breathing air, puts the system under environmental xenobiotic exposure stress. Environmental chemicals have been shown to produce unwanted effects on health and remove the right to healthy living, starting from the first encounter in utero to geriatrics, throughout the lifespan. Organochlorine pesticides (OCPs) and polychlorinated biphenyl (PCB) levels, important members of the persistent organic pollutants (POPs), have been detected before in human breast milk and also in the adipose tissue of women from different regions of Turkey; however, there was no information about the blood levels of these chemicals...
March 2015: Environmental Monitoring and Assessment
Iulia Neamtiu, Michael S Bloom, Gabriel Gati, Walter Goessler, Simona Surdu, Cristian Pop, Simone Braeuer, Edward F Fitzgerald, Calin Baciu, Ioana Rodica Lupsa, Doru Anastasiu, Eugen Gurzau
Excessive arsenic content in drinking water poses health risks to millions of people worldwide. Inorganic arsenic (iAs) in groundwater exceeding the 10μg/l maximum contaminant level (MCL) set by the World Health Organization (WHO) is characteristic for intermediate-depth aquifers over large areas of the Pannonian Basin in Central Europe. In western Romania, near the border with Hungary, Arad, Bihor, and Timis counties use drinking water coming partially or entirely from iAs contaminated aquifers. In nearby Arad and Bihor counties, more than 45,000 people are exposed to iAs over 10μg/l via public drinking water sources...
June 2015: International Journal of Hygiene and Environmental Health
Sangita Sharma, Erin Mead, Desiree Simeon, Gary Ferguson, Fariba Kolahdooz
OBJECTIVES: To assess (1) energy and nutrient intake; (2) dietary adequacy; (3) traditional and nontraditional foods consumed; and (4) main foods contributing to energy and selected nutrient intake among Yup'ik women in Western Alaska. METHODS: Up to 3 24-hour dietary recalls were collected to assess the dietary intake. Dietary adequacy was determined by comparing women's daily nutrient intakes to corresponding dietary reference intakes (DRIs). RESULTS: Mean daily energy intake for the women was 2172 kcal, exceeding the DRI for energy...
2015: Journal of the American College of Nutrition
Hongyan Ren, Xia Wan, Fei Yang, Xiaoming Shi, Jianwei Xu, Dafang Zhuang, Gonghuan Yang
The relationship between the ever-increasing cancer mortality and water pollution is an important public concern in China. This study aimed to explore the association between serious water pollution and increasing digestive cancer mortality in the Huai River Basin (HRB) in China. A series of frequency of serious pollution (FSP) indices including water quality grade (FSPWQG), biochemical oxygen demand (FSPBOD), chemical oxygen demand (FSPCOD), and ammonia nitrogen (FSPAN) were used to characterize the surface water quality between 1997 and 2006...
January 2015: International Journal of Environmental Research and Public Health
Antonia Mureşan, Lucian Liviu Pop, Dan Lucian Dumitraşcu
Impaired gastric accommodation has been proposed as an im- portant mechanism in the generation of functional dyspepsia. There is an interest in methods that allow recording and quantifica- tion of the gastric accommodation reflex. Drinking tests, with water or nutrients, have been developed as a noninvasive, inexpensive method to assess gastric perception and accommodation. These tests are easily performed, do not need any special equipment and are well tolerated by patients. Drink test results are reported as the maximum tolerated volume, individual and cumulative symptom scores...
September 2014: Acta Gastro-enterologica Belgica
Michael S Bloom, Iulia A Neamtiu, Simona Surdu, Cristian Pop, Ioana Rodica Lupsa, Doru Anastasiu, Edward F Fitzgerald, Eugen S Gurzau
BACKGROUND: Previous work suggests an increased risk for spontaneous pregnancy loss linked to high levels of inorganic arsenic (iAs) in drinking water sources (>10 μg/L). However, there has been little focus to date on the impact of low-moderate levels of iAs in drinking water (<10 μg/L). To address this data gap we conducted a hospital-based case-control study in Timis County, Romania. METHODS: We recruited women with incident spontaneous pregnancy loss of 5-20 weeks completed gestation as cases (n = 150), and women with ongoing pregnancies matched by gestational age (±1 week) as controls (n = 150)...
2014: Environmental Health: a Global Access Science Source
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