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International Journal of Environmental Research and Public Health

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https://www.readbyqxmd.com/read/28106851/workplace-violence-against-health-care-workers-in-north-chinese-hospitals-a-cross-sectional-survey
#1
Peihang Sun, Xue Zhang, Yihua Sun, Hongkun Ma, Mingli Jiao, Kai Xing, Zheng Kang, Ning Ning, Yapeng Fu, Qunhong Wu, Mei Yin
This research aimed to determine the prevalence of workplace violence (WPV) against healthcare workers, explore the frequency distribution of violence in different occupational groups, and determine which healthcare occupation suffers from WPV most frequently. Furthermore, the current study aimed to compare risk factors affecting different types of WPV in Chinese hospitals. A cross-sectional design was utilized. A total of 1899 healthcare workers from Heilongjiang, a province in Northeastern China, completed the questionnaire...
January 19, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28106848/a-new-strategy-for-heavy-metal-polluted-environments-a-review-of-microbial-biosorbents
#2
REVIEW
Ayansina Segun Ayangbenro, Olubukola Oluranti Babalola
Persistent heavy metal pollution poses a major threat to all life forms in the environment due to its toxic effects. These metals are very reactive at low concentrations and can accumulate in the food web, causing severe public health concerns. Remediation using conventional physical and chemical methods is uneconomical and generates large volumes of chemical waste. Bioremediation of hazardous metals has received considerable and growing interest over the years. The use of microbial biosorbents is eco-friendly and cost effective; hence, it is an efficient alternative for the remediation of heavy metal contaminated environments...
January 19, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28106813/transcriptome-profiling-of-the-lungs-reveals-molecular-clock-genes-expression-changes-after-chronic-exposure-to-ambient-air-particles
#3
Pengcheng Song, Zhigang Li, Xiaoqian Li, Lixin Yang, Lulu Zhang, Nannan Li, Chen Guo, Shuyu Lu, Yongjie Wei
The symptoms of asthma, breathlessness, insomnia, etc. all have relevance to pulmonary rhythmic disturbances. Epidemiology and toxicology studies have demonstrated that exposure to ambient air particles can result in pulmonary dysfunction. However, there are no data directly supporting a link between air pollution and circadian rhythm disorder. In the present study, we found that breathing highly polluted air resulted in changes of the molecular clock genes expression in lung by transcriptome profiling analyses in a rodent model...
January 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28106812/are-cockroaches-an-important-source-of-indoor-endotoxins
#4
Ka Man Lai
Endotoxins are common indoor biocontaminants. Their levels have been shown to link to many sources and factors. One of them is cockroach infestation but the role of cockroaches and contamination mechanisms are unclear. We hypothesized that not only is cockroach infestation a sign of poor hygiene, but it also contributes to indoor endotoxins via fecal contamination. In this study, different cockroach species were caught in homes. The endotoxin and allergen levels and their ratios in cockroach feces were determined...
January 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28106811/prevalence-and-social-risk-factors-for-hearing-impairment-in-chinese-children-a-national-survey
#5
Chunfeng Yun, Zhenjie Wang, Jiamin Gao, Ping He, Chao Guo, Gong Chen, Xiaoying Zheng
Hearing impairment may affect children's communication skills, social development, and educational achievement. Little is known about the prevalence of hearing impairment among Chinese children. Data were taken from the 2006 second China National Survey on Disability (CNSD). Hearing impairment was defined as moderate (41-60 dB HL), severe (61-80 dB HL), profound (81-90 dB HL), or complete (>91 dB HL). Logistic regression was used to estimate the odds ratio (OR) and 95% confidence intervals (CI). A weighted number of 567,915 hearing impairment children were identified, yielding a prevalence of 17...
January 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28106810/genetic-aspects-of-susceptibility-to-mercury-toxicity-an-overview
#6
REVIEW
Virginia Andreoli, Francesca Sprovieri
Human exposure to mercury is still a major public health concern. In this context, children have a higher susceptibility to adverse neurological mercury effects, compared to adults with similar exposures. Moreover, there exists a marked variability of personal response to detrimental mercury action, in particular among population groups with significant mercury exposure. New scientific evidence on genetic backgrounds has raised the issue of whether candidate susceptibility genes can make certain individuals more or less vulnerable to mercury toxicity...
January 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28106788/comparison-of-gastric-versus-gastrointestinal-pbet-extractions-for-estimating-oral-bioaccessibility-of-metals-in-house-dust
#7
Kristina Boros, Danielle Fortin, Innocent Jayawardene, Marc Chénier, Christine Levesque, Pat E Rasmussen
Oral bioaccessibility estimates for six metals which are prevalent as contaminants in Canada (zinc, lead, cadmium, copper, nickel, and chromium) are investigated for house dust using the simple gastric phase versus the two-phase physiologically-based extraction technique (PBET). The purpose is to determine whether a complete gastrointestinal (GI) assay yields a more conservative (i.e., higher) estimate of metal bioaccessibility in house dust than the gastric phase alone (G-alone). The study samples include household vacuum dust collected from 33 homes in Montreal, Canada, plus four certified reference materials (NIST 2583, NIST 2584, NIST 2710 and NIST 2710a)...
January 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28106779/water-quality-sanitation-and-hygiene-conditions-in-schools-and-households-in-dolakha-and-ramechhap-districts-nepal-results-from-a-cross-sectional-survey
#8
Akina Shrestha, Subodh Sharma, Jana Gerold, Séverine Erismann, Sanjay Sagar, Rajendra Koju, Christian Schindler, Peter Odermatt, Jürg Utzinger, Guéladio Cissé
This study assessed drinking water quality, sanitation, and hygiene (WASH) conditions among 708 schoolchildren and 562 households in Dolakha and Ramechhap districts of Nepal. Cross-sectional surveys were carried out in March and June 2015. A Delagua water quality testing kit was employed on 634 water samples obtained from 16 purposively selected schools, 40 community water sources, and 562 households to examine water quality. A flame atomic absorption spectrophotometer was used to test lead and arsenic content of the same samples...
January 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28106776/distribution-characteristics-and-risk-assessment-of-polycyclic-aromatic-hydrocarbons-in-the-momoge-wetland-china
#9
Jianling Xu, Hanxi Wang, Lianxi Sheng, Xuejun Liu, Xiaoxue Zheng
The Momoge Nature Reserve is the research object of this study. Through field sampling, laboratory experiments and analysis, the contents, distribution characteristics, source identification, pollution levels and risk levels of polycyclic aromatic hydrocarbons (PAHs) in wetland soils were studied. The results show that the sum content of 16 types of PAHs (Σ16 PAH) in the wetland soil was within the range (0.029-0.4152) mg/kg. PAHs in wetland soil are primarily 2-3-rings PAHs. PAHs in the Momoge wetland soil have multiple sources: petroleum, combustion of petroleum and coal, and others, of which petroleum and the sum of combustion of petroleum and coal account for 38...
January 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28106727/self-reported-snoring-is-associated-with-dyslipidemia-high-total-cholesterol-and-high-low-density-lipoprotein-cholesterol-in-obesity-a-cross-sectional-study-from-a-rural-area-of-china
#10
Naijin Zhang, Yintao Chen, Shuang Chen, Pengyu Jia, Xiaofan Guo, Guozhe Sun, Yingxian Sun
Studies to explore the relationship between self-reported snoring and dyslipidemia, especially high total cholesterol (TC) and high low-density lipoprotein cholesterol (LDL-C), in the general population are still lacking. Our study was designed to examine whether self-reported snoring is significantly associated with dyslipidemia and ascertain the effects of different snoring intensities on dyslipidemia. There were 10,139 participants in our study. After adjustment for all confounding factors, self-reported snoring (OR = 1...
January 17, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28098836/association-of-school-environment-and-after-school-physical-activity-with-health-related-physical-fitness-among-junior-high-school-students-in-taiwan
#11
Kai-Yang Lo, Min-Chen Wu, Shu-Chin Tung, City C Hsieh, Hsueh-Hua Yao, Chien-Chang Ho
The relationship between students' school environment and exercise habits is complex, and is affected by numerous factors. However, the few studies that have been conducted on this relationship have reported inconsistent results, especially regarding Taiwanese students. We conducted this cross-sectional study to investigate the association of school environment and after-school physical activity with health-related physical fitness in Taiwanese adolescents. Data were drawn from a national survey conducted by the Ministry of Education in Taiwan in 2008 of health-related physical fitness measurements among junior high school students (649,442 total) in grades seven to nine...
January 15, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28098835/an-electrostatic-barrier-forming-window-that-captures-airborne-pollen-grains-to-prevent-pollinosis
#12
Yoshihiro Takikawa, Yoshinori Matsuda, Teruo Nonomura, Koji Kakutani, Shin-Ichi Kusakari, Hideyoshi Toyoda
An electrostatic-barrier-forming window (EBW) was devised to capture airborne pollen, which can cause allergic pollinosis. The EBW consisted of three layers of insulated conductor wires (ICWs) and two voltage generators that supplied negative charges to the two outer ICW layers and a positive charge to the middle ICW layer. The ICWs generated an attractive force that captured pollen of the Japanese cedar, Cryptomeria japonica, from air blown through the EBW. The attractive force was directly proportional to the applied voltage...
January 15, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28098817/spatial-analysis-of-human-health-risk-due-to-arsenic-exposure-through-drinking-groundwater-in-taiwan-s-pingtung-plain
#13
Ching-Ping Liang, Yi-Chi Chien, Cheng-Shin Jang, Ching-Fang Chen, Jui-Sheng Chen
Chronic arsenic (As) exposure continues to be a public health problem of major concern worldwide, affecting hundreds of millions of people. A long-term groundwater quality survey has revealed that 20% of the groundwater in southern Taiwan's Pingtung Plain is clearly contaminated with a measured As concentration in excess of the maximum level of 10 µg/L recommended by the World Health Organization. The situation is further complicated by the fact that more than half of the inhabitants in this area continue to use groundwater for drinking...
January 14, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28098799/occurrence-of-emerging-micropollutants-in-water-systems-in-gauteng-mpumalanga-and-north-west-provinces-south-africa
#14
Elijah M M Wanda, Hlengilizwe Nyoni, Bhekie B Mamba, Titus A M Msagati
The ubiquitous occurrence of emerging micropollutants (EMPs) in water is an issue of growing environmental-health concern worldwide. However, there remains a paucity of data regarding their levels and occurrence in water. This study determined the occurrence of EMPs namely: carbamazepine (CBZ), galaxolide (HHCB), caffeine (CAF), tonalide (AHTN), 4-nonylphenol (NP), and bisphenol A (BPA) in water from Gauteng, Mpumalanga, and North West provinces, South Africa using comprehensive two-dimensional gas chromatography coupled to high resolution time-of-flight mass spectrometry (GCxGC-HRTOFMS)...
January 13, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28098789/implications-of-changing-temperatures-on-the-growth-fecundity-and-survival-of-intermediate-host-snails-of-schistosomiasis-a-systematic-review
#15
REVIEW
Chester Kalinda, Moses Chimbari, Samson Mukaratirwa
Climate change has been predicted to increase the global mean temperature and to alter the ecological interactions among organisms. These changes may play critical roles in influencing the life history traits of the intermediate hosts (IHs). This review focused on studies and disease models that evaluate the potential effect of temperature rise on the ecology of IH snails and the development of parasites within them. The main focus was on IH snails of schistosome parasites that cause schistosomiasis in humans...
January 13, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28098788/evaluation-of-potential-average-daily-doses-adds-of-pm2-5-for-homemakers-conducting-pan-frying-inside-ordinary-homes-under-four-ventilation-conditions
#16
Seonyeop Lee, Sol Yu, Sungroul Kim
Several studies reported that commercial barbecue restaurants likely contribute to the indoor emission of particulate matters with a diameter of 2.5 micrometers or less (PM2.5) while pan-frying meat. However, there is inadequate knowledge of exposure level to indoor PM2.5 in homes and the contribution of a typical indoor pan-frying event. We measured the indoor PM2.5 concentration and, using Monte-Carlo simulation, estimated potential average daily dose (ADD) of PM2.5 for homemakers pan-frying a piece of pork inside ordinary homes...
January 13, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28098787/pathological-impairment-cell-cycle-arrest-and-apoptosis-of-thymus-and-bursa-of-fabricius-induced-by-aflatoxin-contaminated-corn-in-broilers
#17
Xi Peng, Shiping Bai, Xuemei Ding, Keying Zhang
This study aimed to evaluate the comparative effects of aflatoxin-contaminated corn on the thymus and bursa of Fabricius (BF) in chickens by detecting histopathological lesions, cell cycle phase distribution and apoptosis. A total of 900 COBB500 male broilers were randomly allocated into five groups. The experiment lasted for six weeks and the five dietary treatments consisted of uncontaminated corn (control), 25% contaminated corn, 50% contaminated corn, 75% contaminated corn and 100% contaminated corn groups...
January 13, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28098785/neighborhood-design-physical-activity-and-wellbeing-applying-the-walkability-model
#18
Adriana A Zuniga-Teran, Barron J Orr, Randy H Gimblett, Nader V Chalfoun, David P Guertin, Stuart E Marsh
Neighborhood design affects lifestyle physical activity, and ultimately human wellbeing. There are, however, a limited number of studies that examine neighborhood design types. In this research, we examine four types of neighborhood designs: traditional development, suburban development, enclosed community, and cluster housing development, and assess their level of walkability and their effects on physical activity and wellbeing. We examine significant associations through a questionnaire (n = 486) distributed in Tucson, Arizona using the Walkability Model...
January 13, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28085105/demographic-and-substance-use-factors-associated-with-non-violent-alcohol-related-injuries-among-patrons-of-australian-night-time-entertainment-districts
#19
Kerri Coomber, Richelle Mayshak, Shannon Hyder, Nicolas Droste, Ashlee Curtis, Amy Pennay, William Gilmore, Tina Lam, Tanya Chikritzhs, Peter G Miller
This study examined the relationship between patron demographics, substance use, and experience of recent alcohol-related accidents and injuries that were not due to interpersonal violence in night-time entertainment districts. Cross-sectional interviews (n = 4016) were conducted around licensed venues in entertainment districts of five Australian cities. Demographic factors associated with non-violent alcohol-related injuries were examined, including gender, age, and occupation. The association between substance use on the night of interview; blood alcohol concentration (BAC), pre-drinking, energy drink consumption, and illicit drug use; and experience of injury was also explored...
January 12, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28085104/mercury-exposure-and-heart-diseases
#20
REVIEW
Giuseppe Genchi, Maria Stefania Sinicropi, Alessia Carocci, Graziantonio Lauria, Alessia Catalano
Environmental contamination has exposed humans to various metal agents, including mercury. It has been determined that mercury is not only harmful to the health of vulnerable populations such as pregnant women and children, but is also toxic to ordinary adults in various ways. For many years, mercury was used in a wide variety of human activities. Nowadays, the exposure to this metal from both natural and artificial sources is significantly increasing. Recent studies suggest that chronic exposure, even to low concentration levels of mercury, can cause cardiovascular, reproductive, and developmental toxicity, neurotoxicity, nephrotoxicity, immunotoxicity, and carcinogenicity...
January 12, 2017: International Journal of Environmental Research and Public Health
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