|别名||砷标准溶液 ;灰砷 ;|
|个人防护设备||Eyeshields,Faceshields,Gloves,type P2 (EN 143) respirator cartridges|
The Nrf2-Keap1 signaling pathway is a protective mechanism promoting cell survival. Activation of the Nrf2 pathway by natural compounds has been proven to be an effective strategy for chemoprevention....Read More
Metallothionein is a ubiquitous metal binding protein that plays an important role in metal ion homeostasis and redox chemistry within cells. Mammalian metallothioneins bind a wide variety of metals i...Read More
A Zr-beta-FeOOH adsorbent for both As(V) and As(III) removal was prepared by a chemical co-precipitation method. Compared with beta-FeOOH, the addition of Zr enhanced the adsorption capacities for As(...Read More
[Concentration of Hg, Pb, Cd, Cr and As in liver Carcharhinus limbatus (Carcharhiniformes: Carcharhinidae) captured in Veracruz, Mexico].
Pollution by heavy metals in marine ecosystems in the Gulf of Mexico is one of the hardest conservation issues to solve. Sharks as top predators are bioindicators of the marine ecosystem health, since...Read More
In this prospective cohort study, based on 1,505 mother-infant pairs in rural Bangladesh, we evaluated the associations between early-life exposure to arsenic, cadmium, and lead, assessed via concentr...Read More
A preliminary study on the use of meconium for the assessment of prenatal exposure to heavy metals in Japan.
In recent years, there has been increasing interest in the relevance of environmental pollution to children's health. We investigated whether the concentrations of heavy metals in meconium can be...Read More
The impact of oscillating redox conditions: Arsenic immobilisation in contaminated calcareous floodplain soils.
Arsenic contamination of floodplain soils is extensive and additional fresh arsenic inputs to the pedosphere from human activities are ongoing. We investigate the cumulative effects of repetitive soil...Read More
Concentrations of mercury, lead, chromium, cadmium, arsenic and aluminum in irrigation water wells and wastewaters used for agriculture in Mashhad, northeastern Iran.
Contamination of water by toxic chemicals has become commonly recognized as an environmental concern. Based on our clinical observation in Mashhad, northeastern Iran, many people might be at risk of e...Read More
Association of blood lead and mercury with estimated GFR in herbalists after the ban of herbs containing aristolochic acids in Taiwan.
This study was undertaken to explore the association of estimated glomerular filtration rate (GFR) with exposure to aristolochic acids (ALAs) and nephrotoxic metals in herbalists after the ban of herb...Read More
A baseline study of metals in cod (Gadus morhua) from the North Sea and coastal Norwegian waters, with focus on mercury, arsenic, cadmium and lead.
This study is one of several baseline studies that will provide basic and reliable information about the content of undesirable substances in important species of fish caught in Norwegian waters. Conc...Read More
Trace element reference values in tissues from inhabitants of the European Community. II. Examples of strategy adopted and trace element analysis of blood, lymph nodes and cerebrospinal fluid of Italian subjects.
The EURO TERVIHT (Trace Element Reference Values in Human Tissues), recently initiated, aims to establish and compare trace metal reference values in inhabitants from the different EC countries. The p...Read More
Profiling the ionome of rice and its use in discriminating geographical origins at the regional scale, China.
Element profile was investigated for their use to trace the geographical origin of rice (Oryza sativa L.) samples. The concentrations of 13 elements (calcium (Ca), potassium (K), magnesium (Mg), phosp...Read More
Assessment of biochar and iron filing amendments for the remediation of a metal, arsenic and phenanthrene co-contaminated spoil.
Sites contaminated with mixtures of metals, metalloids and organics are difficult to remediate as each contaminant type may require a different treatment. Biochar, with high metal sorption capacity, u...Read More
Prolonged consumption of arsenic-laden water above the threshold limit of 10μg/L causes a plethora of dermatological and non-dermatological multi-organ health problems, including cancer and death. Am...Read More
The arsenic (As) exposure represents an important problem in many parts of the World. Indeed, it is estimated that over 100 million individuals are exposed to arsenic, mainly through a contamination o...Read More
Arkadia is a RING domain E3 ubiquitin ligase that activates the transforming growth factor β (TGF-β) pathway by inducing degradation of the inhibitor SnoN/Ski. Here we show that Arkadia contains thr...Read More
Immunomodulatory role of Emblica officinalis in arsenic induced oxidative damage and apoptosis in thymocytes of mice.
Arsenic is widely distributed in the environment and has been found to be associated with the various health related problems including skin lesions, cancer, cardiovascular and immunological disorders...Read More
Geography of non-melanoma skin cancer and ecological associations with environmental risk factors in England.
Background:This study investigates the geography of non-melanoma skin cancer (NMSC) in England, and ecological associations with three widespread environmental hazards: radon, arsenic and ultraviolet ...Read More
Development and validation of an analytical method for quantification of arsenic and antimony in liposomes using inductively coupled plasma-optical emission spectrometry.
Arsenic and antimony compounds are used to treat endemic diseases, such as cancer, leishmaniasis, and schistosomiasis, in spite of their toxicity. Several studies seeking the development and character...Read More
We're sorry this abstract is currently not available....Read More
Role of chelating agents on release kinetics of metals and their uptake by maize from chromated copper arsenate-contaminated soil.
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) o...Read More
The results of hygienic assessment of toxic elements in food produced locally. The estimation of the levels of foodborne contaminants (lead, cadmium, arsenic, copper, zinc, mercury) on the basis of da...Read More
Adsorption kinetics and isotherms of arsenic(V) from aqueous solution onto Ni0.5Zn0.5Fe2O4 nanoparticles.
Magnetic Ni0.5Zn0.5Fe2O4 nanoparticles were synthesized by the facile citrate-gel process. Their morphology, chemical composition, microstructure, and magnetic properties were investigated by XRD, TEM...Read More
Functional evaluation of Asp76, 84, 102 and 150 in human arsenic(III) methyltransferase (hAS3MT) interacting with S-adenosylmethionine.
We prepared eight mutants (D76P, D76N, D84P, D84N, D102P, D102N, D150P and D150N) to investigate the functions of residues Asp76, 84, 102 and 150 in human arsenic(III) methyltransferase (hAS3MT) inter...Read More
Accumulation of arsenic, lead, copper, and zinc, and synthesis of phytochelatins by indigenous plants of a mining impacted area.
Several native plants, able to grow in an unconfined mining impacted area that is now in close vicinity with urban areas, were evaluated for their ability to accumulate heavy metals. The main soil con...Read More
Effects of ion concentration and natural organic matter on arsenic(V) removal by nanofiltration under different transmembrane pressures.
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, transmembra...Read More
Arsenic (As) is one of the most ubiquitous elements in nature, and a prolonged exposure has been associated with an increase in the risk of cancer, diabetes mellitus, hypertension and cardiovascular d...Read More
Arsenic-contaminated groundwater used for drinking in China is a health threat that was first recognized in the 1960s. However, because of the sheer size of the country, millions of groundwater wells ...Read More
We're sorry this abstract is currently not available....Read More
During the period 2008-2009, eight sampling stations were carried out on Lake Uluabat to assess trace element distribution in the lake sediments and to identify major sources of the sediment pollution...Read More
Breakthrough studies with mono-, binary- and ternary-ion systems comprised of Fe(II), F(-) and As(III) using river sand packed columns for groundwater treatment.
Groundwater in Assam, India, contains excessive amounts of arsenic (As(III)), fluoride (F(-)) and iron (Fe(II)). The rural and semi-urban population of Assam uses indigenous iron filters fabricated us...Read More
Epithelial to mesenchymal transition in arsenic-transformed cells promotes angiogenesis through activating β-catenin-vascular endothelial growth factor pathway.
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 tra...Read More
In Bangladesh, 20 million people are at the risk of developing arsenicosis because of excessive arsenic intake. Despite increased awareness, many of the implemented arsenic-safe water options are not ...Read More
Arsenic exposure and its health effects and risk of cancer in developing countries: micronutrients as host defence.
Arsenic (As) is a ubiquitous metalloid found in several forms in food and the environment, such as the soil, air and water. The predominant form is inorganic arsenic in drinking water, which is both h...Read More