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显示 1-30 共 243 条结果 关于 "202657" 范围 论文
Xing Wu et al.
Ecotoxicology and environmental safety, 102, 168-173 (2014-02-18)
Seafood is considered as the main source of arsenic in the human diet. In this study, we quantified the total arsenic content in 200 samples of 22 species collected from eight cities in Shandong, China. Subsequently, we evaluated the health
Jiaying Sun et al.
Cancer letters, 346(2), 257-263 (2014-01-18)
Environmental or occupational exposure to arsenic, a chemical element classified as metalloid, has been associated with cancer of the lung, skin, bladder, liver, etc. Mdig (mineral dust-induced gene) is a newly identified oncogene linked to occupational lung diseases and lung
Darcy Weidemann et al.
Environmental research, 140, 317-324 (2015-04-25)
Long-term exposure to arsenic is a major public health concern. Emerging evidence suggests adverse health effects even at low levels of exposure. This study examined the association of arsenic exposure with estimated glomerular filtration rate (eGFR) and compared methods of
Meryene C Teixeira et al.
Food chemistry, 154, 38-43 (2014-02-13)
We have developed an eletroanalytical method that employs Cu(2+) solutions to determine arsenic in sugarcane brandy using an electrode consisting of carbon paste modified with carbon nanotubes (CNTPE) and polymeric resins. We used linear sweep (LSV) and differential-pulse (DPV) voltammetry
Syed Moshfiqur Rahman et al.
Reproductive toxicology (Elmsford, N.Y.), 53, 68-74 (2015-04-02)
The essential element manganese (Mn) might be toxic at excess exposure. We assessed the impact of elevated Mn exposure through drinking water during pregnancy on birth size in a population-based cohort(n = 1695) in rural Bangladesh. Concentrations of water Mn
Ya Tang et al.
Environmental monitoring and assessment, 187(1), 4214-4214 (2014-12-17)
Wood preservatives can protect wood from dry rot, fungi, mould and insect damage, and chromated copper arsenate (CCA) has been used as an inorganic preservative for many years. However, wood treated with CCA has been restricted from residential uses in
Linda Önnby et al.
Chemosphere, 113, 151-157 (2014-07-30)
We have investigated the oxidation of inorganic As(III) with H2O2 catalysed by Al2O3, using X-ray absorption near-edge structure and extended X-ray absorption fine structure spectroscopy. The effects of different reaction conditions (pH, time and initial H2O2 concentration) were also studied
Arsenic binding to proteins.
Shengwen Shen et al.
Chemical reviews, 113(10), 7769-7792 (2013-07-03)
Francesco Stea et al.
Environmental science and pollution research international, 21(1), 244-251 (2013-09-11)
Several population studies relate exposure to high levels of arsenic with an increased incidence of ischemic heart disease and cardiovascular mortality. An association has been shown between exposure to high levels of arsenic and cardiovascular risk factors such as hypertension
Channa Jayasumana et al.
SpringerPlus, 4, 90-90 (2015-03-13)
Chronic Kidney Disease of unknown etiology (CKDu) has escalated into an epidemic in North Central Province (NCP) and adjacent farming areas in the dry zone of Sri Lanka. Studies have shown that this special type of CKD is a toxic
Anirban Biswas et al.
Environmental monitoring and assessment, 186(7), 4543-4551 (2014-03-29)
Exposure to arsenic in arsenic endemic areas is most remarkable environmental health challenges. Although effects of arsenic contamination are well established, reports are unavailable on probable seasonal variation due to changes of food habit depending on winter and summer seasons
Caitlin G Howe et al.
The Journal of nutrition, 144(5), 690-697 (2014-03-07)
Chronic exposure to inorganic arsenic (InAs) through drinking water is a major problem worldwide. InAs undergoes hepatic methylation to form mono- and dimethyl arsenical species (MMA and DMA, respectively), facilitating arsenic elimination. Both reactions are catalyzed by arsenic (+3 oxidation
Manickam Kesavan et al.
Toxicology and applied pharmacology, 280(1), 107-116 (2014-07-25)
We evaluated whether atorvastatin, an extensively prescribed statin for reducing the risks of cardiovascular diseases, can reduce the risk of arsenic-induced vascular dysfunction and inflammation in rats and whether the modulation could be linked to improvement in vascular NO signaling.
Hsiu-Chen Lin et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 74, 60-67 (2014-09-23)
The goal of the present study was to compare the arsenic methylation capacities in elementary school and junior high school students in an area of Taiwan with low arsenic exposure, and explore the influence of both arsenic methylation capacity and
Dawit Melak et al.
Toxicology and applied pharmacology, 274(2), 225-231 (2013-12-04)
In humans, ingested inorganic arsenic is metabolized to monomethylarsenic (MMA) then to dimethylarsenic (DMA), although this process is not complete in most people. The trivalent form of MMA is highly toxic in vitro and previous studies have identified associations between
Wei Qu et al.
Toxicology and applied pharmacology, 282(3), 267-274 (2014-12-09)
We studied how protein metallothionein (MT) impacts arsenic-induced oxidative DNA damage (ODD) using cells that poorly express MT (MT-I/II double knockout embryonic cells; called MT-null cells) and wild-type (WT) MT competent cells. Arsenic (as NaAsO2) was less cytolethal over 24h
Outpatient oral treatment for acute promyelocytic leukemia.
Francesco Lo-Coco et al.
The New England journal of medicine, 372(9), 885-885 (2015-02-26)
Nygerma L Dangleben et al.
Environmental health : a global access science source, 12(1), 73-73 (2013-09-06)
Exposure to arsenic (As) is a global public health problem because of its association with various cancers and numerous other pathological effects, and millions of people worldwide are exposed to As on a regular basis. Increasing lines of evidence indicate
Ranya A Amer et al.
BioMed research international, 2015, 981829-981829 (2015-08-15)
Coastal environments worldwide are threatened by the effects of pollution, a risk particularly high in semienclosed basins like the Mediterranean Sea that is poorly studied from bioremediation potential perspective especially in the Southern coast. Here, we investigated the physical, chemical
Adrien Mestrot et al.
Environmental science. Processes & impacts, 15(9), 1639-1651 (2013-07-05)
It has been known for over a hundred years that microorganisms can produce volatile arsenic (As) species, termed "arsines". However, this topic has received relatively little attention compared to As behaviour in soils and biotransformation through the trophic level in
Zi-Miao Liu et al.
Archives of toxicology, 89(12), 2229-2241 (2014-12-30)
Inorganic arsenic is well known as a carcinogen in human beings. Chronic exposure to inorganic arsenic increases risks of developing some cancers and non-carcinogenic diseases, such as skin lesions in humans. However, the modes of action are not well elucidated.
Craig Steinmaus et al.
Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology, 23(8), 1529-1538 (2014-05-27)
From 1958 to 1970, >100,000 people in northern Chile were exposed to a well-documented, distinct period of high drinking water arsenic concentrations. We previously reported ecological evidence suggesting that early-life exposure in this population resulted in increased mortality in adults
Minjuan Huang et al.
Ecotoxicology and environmental safety, 102, 84-92 (2014-03-04)
Eighty-eight scalp hair samples were collected from Guangzhou (GZ) urban population (15-65 years) to investigate the accumulation of As and other metals (Cr, Mn, Ni, Cu, Zn, Cd, Sn, Sb, Hg and Pb). Demographic information, including body weight, height, age
Yang Yu et al.
Journal of environmental sciences (China), 25(2), 302-307 (2013-04-20)
The removal of As(V) from synthetic water was studied using four different nanofiltration (NF) membranes (ESNA-1-K1, NF270, ESNA-1-LF, and HODRA-CORE). The influences of ion concentration, transmembrane pressure (TMP), and the presence of natural organic matter (humic acid, HA) on the
Minjuan Huang et al.
Environmental pollution (Barking, Essex : 1987), 188, 37-44 (2014-02-19)
Speciation of inorganic trivalent arsenicals (iAs(III)), inorganic pentavalent arsenicals (iAs(V)), monomethylarsonic acid (MMA) and dimethylarsinic acid (DMA) in total arsenic (As) content and its bioaccessible fractions contained in road dust, household air-conditioning (AC) filter dust and PM2.5 was investigated. Inorganic
Zhishan Wang et al.
Toxicology and applied pharmacology, 271(1), 20-29 (2013-05-07)
Arsenic exposure represents a major health concern increasing cancer risks, yet the mechanism of arsenic carcinogenesis has not been elucidated. We and others recently reported that cell malignant transformation by arsenic is accompanied by epithelial to mesenchymal transition (EMT). However
Rita Mukhopadhyay et al.
Biochimica et biophysica acta, 1840(5), 1583-1591 (2013-12-03)
Aquaporins (AQPs), members of a superfamily of transmembrane channel proteins, are ubiquitous in all domains of life. They fall into a number of branches that can be functionally categorized into two major sub-groups: i) orthodox aquaporins, which are water-specific channels
Luu Thai Danh et al.
International journal of phytoremediation, 16(5), 429-453 (2014-06-11)
The discovery of the arsenic hyperaccumulator, Pteris vittata (Chinese brake fern), has contributed to the promotion of its application as a means of phytoremediation for arsenic removal from contaminated soils and water. Understanding the mechanisms involved in arsenic tolerance and
Veronika Sele et al.
Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS), 30, 171-179 (2015-01-27)
In the present study liver samples (n=26) of Northeast Arctic cod (Gadus morhua), ranging in total arsenic concentrations from 2.1 to 240mg/kg liver wet weight (ww), were analysed for their content of total arsenic and arsenic species in the lipid-soluble
Yaser A Almaroai et al.
Environmental technology, 34(5-8), 747-755 (2013-07-11)
Kinetic aspects of metal release were investigated to understand the effects of synthetic chelating agents (EDTA, EDDS and NTA) and low molecular weight (LMW) organic acids (oxalic and citric acids) on the release kinetics of Cr, Cu and As in
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