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https://www.readbyqxmd.com/read/28934721/association-of-long-term-exposure-to-transportation-noise-and-traffic-related-air-pollution-with-the-incidence-of-diabetes-a-prospective-cohort-study
#1
Charlotte Clark, Hind Sbihi, Lillian Tamburic, Michael Brauer, Lawrence D Frank, Hugh W Davies
BACKGROUND: Evidence for an association between transportation noise and cardiovascular disease has increased; however, few studies have examined metabolic outcomes such as diabetes or accounted for environmental coexposures such as air pollution, greenness, or walkability. OBJECTIVES: Because diabetes prevalence is increasing and may be on the causal pathway between noise and cardiovascular disease, we examined the influence of long-term residential transportation noise exposure and traffic-related air pollution on the incidence of diabetes using a population-based cohort in British Columbia, Canada...
August 31, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28934712/biotransformation-of-flubendazole-and-fenbendazole-and-their-effects-in-the-ribwort-plantain-plantago-lanceolata
#2
Lucie Raisová Stuchlíková, Lenka Skálová, Barbora Szotáková, Eliška Syslová, Ivan Vokřál, Tomáš Vaněk, Radka Podlipná
Although veterinary anthelmintics represent an important source of environmental pollution, the fate of anthelmintics and their effects in plants has not yet been studied sufficiently. The aim of our work was to identify metabolic pathways of the two benzimidazole anthelmintics fenbendazole (FBZ) and flubendazole (FLU) in the ribwort plantain (Plantago lanceolata L.). Plants cultivated as in vitro regenerants were used for this purpose. The effects of anthelmintics and their biotransformation products on plant oxidative stress parameters were also studied...
September 18, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28934708/different-partition-of-polycyclic-aromatic-hydrocarbon-on-environmental-particulates-in-freshwater-microplastics-in-comparison-to-natural-sediment
#3
Wenfeng Wang, Jun Wang
Microplastics pollution in the aquatic ecosystems has aroused increasing concerns in recent years. Though microplastics are known to sorb organic contaminants from water, the interaction mechanisms between microplastics and organic chemicals are not yet well understood. Here we investigated the partition characteristics of phenanthrene (Phe) in three mass-produced plastic particles, including polyethylene (PE), polystyrene (PS) and polyvinylchloride (PVC), and one natural sediment, as a comparison. The sorption kinetics of Phe onto microplastics and natural sediment were successfully described by the pseudo-second-order model (R(2) > 0...
September 18, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28934379/autotrophic-biorefinery-dawn-of-the-gaseous-carbon-feedstock
#4
Sai Kishore Butti, S Venkata Mohan
CO2 is a resource yet to be effectively utilized in the autotrophic biotechnology, not only to mitigate and moderate the anthropogenic influence on our climate, but also to steer CO2 sequestration for sustainable development and carbon neutral status. The atmospheric CO2 concentration has seen an exponential increase with the turn of the new millennia causing numerous environmental issues and also in a way feedstock crisis. To progressively regulate the growing CO2 concentrations and to incorporate the integration strategies to our existing CO2 capturing tools, all the influencing factors need to be collectively considered...
October 2, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28934127/removal-of-phenolic-compounds-from-water-using-sewage-sludge-based-activated-carbon-adsorption-a-review
#5
REVIEW
Nuhu Dalhat Mu'azu, Nabeel Jarrah, Mukarram Zubair, Omar Alagha
Due to their industrial relevance, phenolic compounds (PC) are amongst the most common organic pollutants found in many industrial wastewater effluents. The potential detrimental health and environmental impacts of PC necessitate their removal from wastewater to meet regulatory discharge standards to ensure meeting sustainable development goals. In recent decades, one of the promising, cost-effective and environmentally benign techniques for removal of PC from water streams has been adsorption onto sewage sludge (SS)-based activated carbon (SBAC)...
September 21, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28933555/a-water-stable-cl-ag14-cluster-based-metal-organic-open-framework-for-dichromate-trapping-and-bacterial-inhibition
#6
Shan-Shan Zhang, Xin Wang, Hai-Feng Su, Lei Feng, Zhi Wang, Wen-Qiang Ding, Vladislav A Blatov, Mohamedally Kurmoo, Chen-Ho Tung, Di Sun, Lan-Sun Zheng
Decoding the principles of cluster-based framework assembly at the molecular level remains a persistent challenge. Herein, we isolated and characterized a novel water-stable three-dimensional (3D) metal-organic open framework [Cl@Ag14(cPrC≡C)10Cl2·(p-TOS)·1/3H2O]n (SD/Ag14, cPrC≡CH = cyclopropylacetylene; p-TOS = p-toluenesulfonate), which contains a chloride-templated Ag14 cluster as building block. For SD/Ag14, one chloride acts as the template to shape the Ag14 cluster and the other bridges the clusters to a 3D pcu-h open framework...
September 21, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28933499/multi-biomarker-approach-in-the-scallop-chlamys-farreri-to-assess-pahs-pollution-in-qingdao-coastal-areas-of-china
#7
Luqing Pan, Mengyu Zhang, Qian Jin, Rongwang Ji
A multi-biomarker approach was conducted in the scallop Chlamys farreri from three sites, denoted here as S1, S2, and S3, in Qingdao coastal areas of China in March, June, September and December 2014 to assess pollution from polycyclic aromatic hydrocarbons (PAHs) and to select appropriate biomarkers. A suite of biological responses of the gills and digestive glands of the scallops was assayed, including: (i) phase I detoxification enzymes of 7-ethoxyresorufin-O-deethylase (EROD), epoxide hydrolase (EH), and dihydrodiol dehydrogenase (DD) and phase II detoxification enzymes of glutathione-S-transferase (GST) and sulfotransferase (SULT); (ii) antioxidant enzymes: catalase (CAT), superoxide dismutase (SOD), and glutathione peroxidase (GPx); (iii) oxidative damage parameters: lipid peroxidation (LPO) expressed by malondialdehyde (MDA) contents, protein carbonylation (PC) and DNA damage (F value); and (iv) the metabolism-related genes of EH, DD, GST, SULT and SOD...
September 21, 2017: Environmental Science. Processes & Impacts
https://www.readbyqxmd.com/read/28933159/hemoglobin-adducts-and-urinary-metabolites-of-arylamines-and-nitroarenes
#8
Gabriele Sabbioni
Arylamines and nitroarenes are intermediates in the production of pharmaceuticals, dyes, pesticides, and plastics and are important environmental and occupational pollutants. N-Hydroxyarylamines are the toxic common intermediates of arylamines and nitroarenes. N-Hydroxyarylamines and their derivatives can form adducts with hemoglobin (Hb-adducts), albumin, DNA, and tissue proteins in a dose-dependent manner. Most of the arylamine Hb-adducts are labile and undergo hydrolysis in vitro, by mild acid or base, to form the arylamines...
September 21, 2017: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/28933111/-effect-of-herb-residues-compost-on-growth-and-phenols-of-perilla-frutescens
#9
Mei-Lan Chen, Ye Shen, Xiu-Teng Zhou, Peng-Ying Li, Guang Yang
Herb residue is post-decoction material that can be used as organic fertilizer. Unfortunately, it is currently disposed of as solid waste. This method of disposal is a waste of this resource and a source of environmental pollution. For this case,we studied effects of six different herb residues compost on growth and phenols of Perilla frutescens by pot experiment. Our results show that all six herb residues can improve the growth of P. frutescens. The order of their efficiencies was as follows: Salviae Miltiorrhizae Radix residue>Hordei Fructus germinates residue>Forsythia fructus residue>Atractylodis Macrocephalae Rhizome residue>Sophorae Flavescentis Redix residue and Moutan cortex residue...
December 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28933031/screening-isolation-and-molecular-identification-of-biodegrading-mycobacteria-from-iranian-ecosystems-and-analysis-of-their-biodegradation-activity
#10
Davood Azadi, Hasan Shojaei, Sina Mobasherizadeh, Abass Daei Naser
Anthropogenic origin pollutants including pesticides, heavy metals, pharmaceuticals and industry chemicals impose many risks to human health and environment and bioremediation has been considered the strategy of choice to reduce the risk of hazardous chemicals. In the current study, we aimed to screen and characterize mycobacteria from the diverse range of Iranian aquatic and terrestrial ecosystems with harsh and unfavorable environmental conditions that can be utilized for biodegradation of target pollutants...
September 20, 2017: AMB Express
https://www.readbyqxmd.com/read/28932981/the-spatial-distribution-and-accumulation-characteristics-of-heavy-metals-in-steppe-soils-around-three-mining-areas-in-xilinhot-in-inner-mongolia-china
#11
Yongfei Gao, Honglin Liu, Guixiang Liu
Metal deposition has become a major environmental problem in China due to its adverse effects on human and ecosystem health, particularly in Inner Mongolia, where frequent dust storms (due to steppe degradation and desertification) and soil pollution (associated with the increasing mining activities) have occurred in recent decades. To assess spatial distribution of heavy metals and the influences of mining activities on geochemical behavior of heavy metals in soils, soil samples with depth of 0-10, 10-20, and 20-30 cm at each site were collected from different directions in the vicinity of three mines (coal mine, gold mine, and fluorite mine) in a typical steppe zone of Inner Mongolia, China...
September 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28932943/response-of-magnetic-properties-to-metal-deposition-on-urban-green-in-nanjing-china
#12
Xiang'zi Leng, Cheng Wang, Huiming Li, Xin Qian, Jinhua Wang, Yixuan Sun
Environmental magnetism is a simple and fast method that can be used to assess heavy metal pollution in urban areas from the relationships between magnetic properties and heavy metal concentrations. Leaves of Osmanthus fragrans, one of the most widely distributed evergreen trees in Nanjing, China, were collected from four different district types, i.e., residential, educational, traffic, and industrial. The magnetic properties and heavy metal concentrations were measured both for unwashed (dust-loaded) and washed leaves...
September 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28931793/itai-itai-disease-lessons-from-the-investigations-of-environmental-epidemiology-conducted-in-the-1970-s-with-special-reference-to-the-studies-of-the-toyama-institute-of-health
#13
Keiko Aoshima
The outbreak of itai-itai disease, which is the most severe stage of chronic cadmium poisoning, has occurred in the cadmium-polluted Jinzu River basin in Toyama. In this area, the river was contaminated by slags from a mine upstream; consequently, the soil in rice paddies became polluted with heavy metals including cadmium through irrigation water streams from around 1910 to the 1960s. The inhabitants of the Jinzu River basin used the river water for drinking and cooking until around 1960. In this paper, we review the geographical features of the Jinzu River basin and the endemic area of itai-itai disease, and reevaluated the studies conducted in 1970's by the Toyama Institute of Health, because these studies have revealed a clear relationship between renal dysfunction or occurrence of itai-itai disease and exposure to cadmium through irrigation water streams...
2017: Nihon Eiseigaku Zasshi. Japanese Journal of Hygiene
https://www.readbyqxmd.com/read/28931792/effects-of-prenatal-methylmercury-exposure-from-minamata-disease-to-environmental-health-studies
#14
Mineshi Sakamoto, Takaaki Itai, Katsuyuki Murata
Methylmercury, the causative agent of Minamata disease, can easily penetrate the brain, and adult-type Minamata disease patients showed neurological symptoms according to the brain regions where the neurons, mainly in the cerebrum and cerebellum, were damaged. In addition, fetuses are exposed to methylmercury via the placenta from maternal fish consumption, and high-level exposure to methylmercury causes damage to the brains of infants. Typical patients with fetal-type Minamata disease (i.e., serious poisoning caused by in utero exposure to methylmercury) were born during the period of severe methylmercury pollution in 1955-1959, although they showed no abnormality during gestation nor at delivery...
2017: Nihon Eiseigaku Zasshi. Japanese Journal of Hygiene
https://www.readbyqxmd.com/read/28929713/-comparison-between-cohort-and-case-control-approaches-for-health-impact-assessment-on-a-population-exposed-to-the-emissions-of-an-incinerator
#15
Luigi Fonte, Rossella Murtas, Antonio Giampiero Russo
OBJECTIVES: to compare the cohort and case-control approaches to evaluate the health effects of an incinerator. DESIGN: dispersion maps have been used to identify subjects exposed to the pollutants from the considered incinerator. Both cohort and case-control approaches have been applied to the study population to evaluate the following outcome: hospitalization for cardiovascular and respiratory causes between 2012 and 2014. The same two approaches have been applied to simulated populations, to which the risk and the base prevalence of the outcome have been varied...
May 2017: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/28929358/green-synthesis-of-inp-zns-core-shell-quantum-dots-for-application-in-heavy-metal-free-light-emitting-diodes
#16
Tsung-Rong Kuo, Shih-Ting Hung, Yen-Ting Lin, Tzu-Lin Chou, Ming-Cheng Kuo, Ya-Pei Kuo, Chia-Chun Chen
Quantum dot light-emitting diodes (QD-LEDs) have been considered as potential display technologies with the characterizations of high color purity, flexibility, transparency, and cost efficiency. For the practical applications, the development of heavy-metal-free QD-LEDs from environment-friendly materials is the most important issue to reduce the impacts on human health and environmental pollution. In this work, heavy-metal-free InP/ZnS core/shell QDs with different fluorescence were prepared by green synthesis method with low cost, safe, and environment-friendly precursors...
September 19, 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28929288/complex-organic-pollutant-mixtures-originating-from-industrial-and-municipal-emissions-in-surface-waters-of-the-megacity-jakarta-an-example-of-a-water-pollution-problem-in-emerging-economies
#17
Larissa Dsikowitzky, Lukas Hagemann, Dwiyitno, Farida Ariyani, Hari Eko Irianto, Jan Schwarzbauer
During the last decades, the global industrial production partly shifted from industrialized nations to emerging and developing countries. In these upcoming economies, the newly developed industrial centers are generally located in densely populated areas, resulting in the discharge of often only partially treated industrial and municipal wastewaters into the surface waters. There is a huge gap of knowledge about the composition of the complex organic pollutant mixtures occurring in such heavily impacted areas...
September 19, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28928754/responses-of-plant-proteins-to-heavy-metal-stress-a-review
#18
REVIEW
Md Kamrul Hasan, Yuan Cheng, Mukesh K Kanwar, Xian-Yao Chu, Golam J Ahammed, Zhen-Yu Qi
Plants respond to environmental pollutants such as heavy metal(s) by triggering the expression of genes that encode proteins involved in stress response. Toxic metal ions profoundly affect the cellular protein homeostasis by interfering with the folding process and aggregation of nascent or non-native proteins leading to decreased cell viability. However, plants possess a range of ubiquitous cellular surveillance systems that enable them to efficiently detoxify heavy metals toward enhanced tolerance to metal stress...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28928379/ylehd-an-epoxide-hydrolase-with-promiscuous-haloalkane-dehalogenase-activity-from-tropical-marine-yeast-yarrowia-lipolytica-is-induced-upon-xenobiotic-stress
#19
Chandrika Bendigiri, Smita Zinjarde, Ameeta RaviKumar
Recalcitrant environmental pollutants, like bromoorganics and epoxides are hydrolysed with limited substrate specificities by microbial oxygenases, reductases, hydrolases and dehalogenases. Here, we report the identification and characterisation of a protein (XP_504164) from the tropical marine yeast Yarrowia lipolytica NCIM 3589, known to degrade bromoorganics and epoxides. Multiple sequence alignment suggests it belongs to α/β superfamily with conservation of catalytic triad and oxyanion hole motifs. The corresponding gene cloned and protein (Ylehd) expressed in E...
September 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28927887/epidermal-overexpression-of-xenobiotic-receptor-pxr-impairs-the-epidermal-barrier-and-triggers-th2-immune-response
#20
Andreas Elentner, Matthias Schmuth, Nikolaos Yannoutsos, Thomas O Eichmann, Robert Gruber, Franz Pw Radner, Martin Hermann, Barbara Del Frari, Sandrine Dubrac
The skin is in daily contact with environmental pollutants, but the long-term effects of such exposure remain under-investigated. Many of these toxins bind and activate the pregnane x receptor (PXR), a ligand-activated transcription factor that regulates genes central to xenobiotic metabolism. The objective of this work was to investigate the effect of constitutive activation of PXR in the basal layer of the skin to mimic repeated skin exposure to noxious molecules. We designed a transgenic mouse model which overexpresses the human PXR gene linked to the herpes simplex VP16 domain under the control of the keratin 14 promoter...
September 16, 2017: Journal of Investigative Dermatology
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