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Environmental Health and Toxicology

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https://www.readbyqxmd.com/read/28859472/fish-consumption-mercury-exposure-and-the-risk-of-cholesterol-profiles-findings-from-the-korea-national-health-and-nutrition-examination-survey-2010-2011
#1
Yong Min Cho
Objectives: In this study, the associations between mercury exposure and cholesterol profiles were analyzed, and increased mercury levels and cholesterol profiles according to the amount of fish consumption were evaluated. Methods: Data on levels of blood mercury, the frequency of fish consumption, total blood cholesterol (TC), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), and triglyceride (TG) in 3,951 adults were obtained from the Korea National Health and Nutrition Examination Survey (KNHANES) 2010-2011 database...
August 31, 2017: Environmental Health and Toxicology
https://www.readbyqxmd.com/read/28793754/necessity-of-purification-during-bacterial-dna-extraction-with-environmental-soils
#2
Hyun Jeong Lim, Jung-Hyun Choi, Ahjeong Son
Objectives: Complexity and heterogeneity of soil samples have often implied the inclusion of purification steps in conventional DNA extraction for PCR assays. Unfortunately the purification steps are also time and labor intensive. Therefore the necessity of DNA purification was re-visited and investigated for a variety of environmental soil samples that contained various amounts of PCR inhibitors. Methods: Bead beating and centrifugation was used as the baseline (without purification) method for DNA extraction...
August 8, 2017: Environmental Health and Toxicology
https://www.readbyqxmd.com/read/28728354/spatial-assessment-of-potential-ecological-risk-of-soil-heavy-metals-from-informal-e-waste-recycling-in-ghana
#3
Vincent Nartey Kyere, Klaus Greve, Sampson Atiemo, James Hawkins Ephraim
The rapidly increasing annual global volumes and the inherently valuable fractions of e-waste have created an avenue for individuals in Agbogbloshie, Accra, Ghana to make a living by utilizing unconventional, uncontrolled, primitive and crude procedures to recycle and recover valuable metals from these wastes. The current form of recycling procedures releases hazardous fractions such as heavy metals into the soils posing a significant risk to ecology and human health. 132 soil samples based on 100 m grid intervals were collected using handheld GPS and analyzed for Cadmium (Cd), chromium (Cr), copper (Cu), mercury (Hg), lead (Pb) and zinc (Zn) heavy metals...
July 10, 2017: Environmental Health and Toxicology
https://www.readbyqxmd.com/read/28774164/does-wastewater-discharge-have-relations-with-increase-of-turner-syndrome-and-down-syndrome
#4
Intae Choi
The purpose of this study is to examine whether water and air pollutants have a relationship with an increase in the genetic disorders Turner syndrome and Down syndrome, which are caused by congenital chromosomal abnormalities, and to generate a hypothesis about the genetic health effects of environmental pollutants. A panel regression based on random effect was conducted on Korea's metropolitan councils from 2012 to 2014. The dependent variable was the number of Turner syndrome and Down syndrome cases, and the main independent variables were those regarding the water and air pollution...
2017: Environmental Health and Toxicology
https://www.readbyqxmd.com/read/28602069/the-study-to-estimate-the-floating-population-in-seoul-korea
#5
Geon Woo Lee, Yong Jin Lee, Youngeun Kim, Seung-Han Hong, Soohwaun Kim, Jeong Soo Kim, Jong Tae Lee, Dong Chun Shin, Youngwook Lim
Traffic-related pollutants have been reported to increase the morbidity of respiratory diseases. In order to apply management policies related to motor vehicles, studies of the floating population living in cities are important. The rate of metro rail transit system use by passengers residing in Seoul is about 54% of total public transportation use. Through the rate of metro use, the people-flow ratios in each administrative area were calculated. By applying a people-flow ratio based on the official census count, the floating population in 25 regions was calculated...
2017: Environmental Health and Toxicology
https://www.readbyqxmd.com/read/28521495/thank-you-for-our-reviewers-of-2016-environmental-health-and-toxicology
#6
Mina Ha
No abstract text is available yet for this article.
2017: Environmental Health and Toxicology
https://www.readbyqxmd.com/read/28494538/the-exposome-and-the-future-of-epidemiology-a-vision-and-prospect
#7
Kyoung-Nam Kim, Yun-Chul Hong
It is widely accepted that a relatively small proportion of chronic disease can be explained by genetic factors alone. Although information about environmental exposure is important to comprehensively evaluate chronic diseases, this information is not sufficiently or accurately assessed by comparison with genomic factors. To emphasize the importance of more complete evaluation of environmental exposure, the concept of the exposome, which indicates the entirety of environmental exposure from conception onwards, was introduced in 2005...
2017: Environmental Health and Toxicology
https://www.readbyqxmd.com/read/28331171/accelerated-ecotoxicity-of-photoreactive-nanoparticles-on-moina-macrocopa
#8
Sun-Hwa Nam, Yu-Jin Shin, Youn-Joo An
Zinc oxide nanoparticles (ZnO NPs) and titanium dioxide nanoparticles (TiO2 NPs) are well known as photoreactive nanoparticles (NPs). Various phototoxicities of ZnO NPs and TiO2 NPs were reported on several organisms. It was still necessary to evaluate the toxicity of photoreactive ZnO NPs and TiO2 NPs due to species-specific effects under various irradiation conditions. We compared the acute toxicity of Moina macrocopa under visible, ultraviolet (UV) A, and B irradiations, according to the Organization for Economic Cooperation and Development guidelines for the testing of chemicals (Test No...
2017: Environmental Health and Toxicology
https://www.readbyqxmd.com/read/28231689/are-children-with-asthma-in-south-korea-also-associated-with-vitamin-d-deficiency
#9
Yu-Ri Kim, Sung Chul Seo, Young Yoo, Ji Tae Choung
Recently, epidemiologic studies have shown that the lack of serum vitamin D levels may be associated with high asthma prevalence, but its effect is still controversial, depending on season, area, and food consumption. We aimed to examine the association of serum vitamin D levels with the prevalence of pediatric asthma in Korea. A total of 80 children (50 asthmatic children and 30 healthy controls) aged 6-14 years were participated in this study. Serum vitamin D levels were measured and compared between the two groups...
2017: Environmental Health and Toxicology
https://www.readbyqxmd.com/read/28231688/study-of-the-removal-difference-in-indoor-particulate-matter-and-volatile-organic-compounds-through-the-application-of-plants
#10
Seung-Han Hong, Jiyeon Hong, Jihyeon Yu, Youngwook Lim
This study was conducted to evaluate the ability of plants to purify indoor air by observing the effective reduction rate among pollutant types of particulate matter (PM) and volatile organic compounds (VOCs). PM and four types of VOCs were measured in a new building that is less than three years old and under three different conditions: before applying the plant, after applying the plant, and a room without a plant. The removal rate of each pollutant type due to the plant was also compared and analyzed. In the case of indoor PM, the removal effect was negligible because of outdoor influence...
2017: Environmental Health and Toxicology
https://www.readbyqxmd.com/read/28183164/estrogenic-activity-of-zinc-pyrithione-an-in-vivo-and-in-vitro-study
#11
Kyung Sik Yoon, Namhee Youn, Hyungyung Gu, Seung Jun Kwack
Zinc pyrithione (ZP) is commonly used to prevent dandruff and seborrheic dermatitis. Many consumers are exposed daily to high doses of ZP, causing serious concerns about its toxicity. The reproductive and developmental toxicities were previously reported in pregnant rats. However, the estrogenic activity of ZP at varying degrees of exposure has been rarely studied. Thus, we performed an uterotrophic assay, E-screen assay, and gene expression profiling to assess the estrogenic activity of ZP. For the uterotrophic assay, ZP (2, 10, or 50 mg/kg/d) was subcutaneously administered to ovariectomized rats every day for three days...
2017: Environmental Health and Toxicology
https://www.readbyqxmd.com/read/28111422/humidifier-disinfectant-disaster-what-do-we-know-and-what-are-left-to-be-clarified
#12
Sungkyoon Kim, Domyung Paek
After the initial investigations of Korean CDC in 2011, more than 1,000 suspicious cases of humidifier disinfectant victims were subsequently reported up to 2015, and numbers are still increasing dramatically in 2016 in the midst of prosecutor's office investigation. In this study, we tried to summarize the current understandings of humidifier disinfectant related health effects based upon systemic review of published epidemiologic studies and toxicology investigations. Published studies of humidifier disinfectants were searched through 'pubmed' and 'toxline'?under the heading of 'humidifier disinfectant', and related reports were identified from the references and published report list of regulatory agencies including Korean National Institute of Environmental Research, US Environmental Protection Agency, and EU European Chemicals Agency...
December 4, 2016: Environmental Health and Toxicology
https://www.readbyqxmd.com/read/28118702/act-on-the-registration-and-evaluation-of-chemicals-k-reach-and-replacement-reduction-or-refinement-best-practices
#13
REVIEW
Soojin Ha, Troy Seidle, Kyung-Min Lim
OBJECTIVES: Korea's Act on the Registration and Evaluation of Chemicals (K-REACH) was enacted for the protection of human health and the environment in 2015. Considering that about 2000 new substances are introduced annually across the globe, the extent of animal testing requirement could be overwhelming unless regulators and companies work proactively to institute and enforce global best practices to replace, reduce or refine animal use. In this review, the way to reduce the animal use for K-REACH is discussed...
2016: Environmental Health and Toxicology
https://www.readbyqxmd.com/read/28118701/a-study-on-the-factors-affecting-the-follow-up-participation-in-birth-cohorts
#14
Bohyun Park, Eun Jeung Choi, Eunhee Ha, Jong Hyuk Choi, Yangho Kim, Yun-Chul Hong, Mina Ha, Hyesook Park
OBJECTIVES: A stable follow-up participation rate is a very important factor for validity in a cohort study. This study analyzed the factors that affect the participation rate at one hospital-based birth cohort in South Korean. METHODS: The participants were recruited from the Mothers' and Children's Environmental Health study between 2006 and 2010. The analysis targeted 1751 mothers who participated in a birth cohort. We conducted analyses of general characteristics during pregnancy and those of infants at birth that affect the participation rate of the 6-month follow-up survey...
2016: Environmental Health and Toxicology
https://www.readbyqxmd.com/read/28111421/combined-approaches-using-adverse-outcome-pathways-and-big-data-to-find-potential-diseases-associated-with-humidifier-disinfectant
#15
Jong-Han Leem, Kyu Hyuck Chung
According to previous survey, about two million of people were expected to suffer from toxic effects due to humidifier disinfectant (HD), regardless of healing or not. Extremely small group are recognized as HDs' victims. Up to now, previous research tried to focus on interstitial fibrosis on terminal bronchiole because it is specific finding, compared with other diseases. To figure out overall effects from HDs, we recommend adverse outcome pathways (AOPs) as new approach. Reactive oxygen species (ROS) generation, decreased T-cell and pro-inflammatory cytokine release from macrophage could be key events between the exposure to HDs and diseases...
2016: Environmental Health and Toxicology
https://www.readbyqxmd.com/read/28111420/a-follow-up-study-of-the-association-between-mobile-phone-use-and-symptoms-of-ill-health
#16
Yong Min Cho, Hee Jin Lim, Hoon Jang, Kyunghee Kim, Jae Wook Choi, Chol Shin, Seung Ku Lee, Jong Hwa Kwon, Nam Kim
The duration and frequency of mobile phone calls, and their relationship with various health effects, have been investigated in our previous cross-sectional study. This 2-year period follow-up study aimed to assess the changes in these variables of same subjects. The study population comprised 532 non-patient adult subjects sampled from the Korean Genome Epidemiology Study. The subjects underwent a medical examination at a hospital in 2012/2013 and revisited the same hospital in 2014/2015 to have the same examination for the characteristics of mobile phone use performed...
2016: Environmental Health and Toxicology
https://www.readbyqxmd.com/read/28111419/chemical-colitis-caused-by-hydrogen-peroxide-enema-in-a-child-case-report-and-literature-review
#17
Joon Sang Lee, Jung Kyung Yoo
A 2-year-old girl, previously healthy, was brought to the emergency department because of significant cramping abdominal pain with recurrent hematochezia after an accidental hydrogen peroxide enema (35%, 5 mL) by her caregiver. She was hospitalized to the pediatric department and treated with nothing per mouth, intravenous fluid and parenteral antibiotic therapy. Laboratory, radiologic and endoscopic evaluation was performed during the admission period. She was discharged in a fully recovered state on the tenth hospital day, and this is the first case report of acute chemical colitis by accidental hydrogen peroxide enema in children...
2016: Environmental Health and Toxicology
https://www.readbyqxmd.com/read/27923269/what-must-be-done-to-prevent-another-humidifier-disinfectant-disaster
#18
Jong-Hyeon Lee
The humidifier disinfectant disaster (HDD) was not a simple poisoning accident by biocides, but a singular disaster in history created by chemicals in household products. This disaster was a result of the failure of a system for the management of chemical and product safety. Since the management authority for chemical usage safety is different from those for chemical safety in products, many blind areas for chemical safety management in products still remain. The 'Act on the Registration and Evaluation, etc...
2016: Environmental Health and Toxicology
https://www.readbyqxmd.com/read/27788568/a-cross-sectional-study-of-the-association-between-mobile-phone-use-and-symptoms-of-ill-health
#19
Yong Min Cho, Hee Jin Lim, Hoon Jang, Kyunghee Kim, Jae Wook Choi, Chol Shin, Seung Ku Lee, Jong Hwa Kwon, Nam Kim
OBJECTIVES: This study analyzed the associations between mobile phone call frequency and duration with non-specific symptoms. METHODS: This study was conducted with a population group including 532 non-patient adults established by the Korean Genome and Epidemiology Study. The pattern of phone call using a mobile phone was investigated through face-to-face interview. Structured methods applied to quantitatively assess health effects are Headache Impact Test-6 (HIT-6), Psychosocial Well-being Index-Short Form, Beck Depression Inventory, Korean-Instrumental Activities of Daily Living, Perceived Stress Scale (PSS), Pittsburgh Sleep Quality Index, and 12-item Short Form Health Survey where a higher score represents a higher greater health effect...
2016: Environmental Health and Toxicology
https://www.readbyqxmd.com/read/27756122/a-call-for-action-from-workers-local-residents-and-consumers-a-safe-society-from-toxic-chemicals
#20
Shinbum Kim, Sanghyuk Im, Youngeun Choi, Soomi Park, Jaesoon Hyun, Kyung Seok Lee, Sunimm Lee, Sung-Nan Lee, Jeongri Seo, Ju Hee Kim, Hyunsun Na, Minsun Kim
No abstract text is available yet for this article.
2016: Environmental Health and Toxicology
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