The Children's Environmental Health and Disease Research Center at Dartmouth is featured in an article outlining measures you can take to reduce exposure to arsenic in rice. Read the full article HERE. October 15, 2021 Featured In Washington Post .
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Researchers have discovered a transporter protein in rice that sequesters arsenic in vacuoles, preventing the toxic element from traveling into grains. Two new studies conclusively prove "arsenic-based" bacteria hailed by NASA …
Featured articles Arsenic speciation in freshwater fish: challenges and research needs. Karen S Hoy, Tetiana Davydiuk, Xiaojian Chen, Chester Lau, Jordan R M Schofield, Xiufen Lu, Jennifer A Graydon, Ruth Mitchell, Megan Reichert, X …
Arsenic (As) distribution and toxicology in the environment is a serious issue, with millions of individuals worldwide being affected by As toxicosis. Sources of As contamination are both natural and anthropogenic and the scale of contamination ranges from local to regional. There are many areas of research that are being actively pursued to address the As …
Exposure to arsenic is associated with cancer and noncancer effects in nearly every organ in the body, and evidence is mounting for health effects at lower levels of arsenic exposure than previously thought.
Objectives: We reviewed recent information on worldwide concerns for arsenic exposures and public health to heighten awareness of the current scope of arsenic exposure and health outcomes and the importance of reducing …
The PL spectra of the un-doped material featured signatures of intrinsic defects associated with mercury vacancy, excessive tellurium, and related complexes. In the arsenic-doped material, optical signatures of these defects appeared to be suppressed. After arsenic activation, shallow (7–8 meV) acceptor levels were found in the material.
featured in several articles in this issue. "Arsenic: Not So Evil After All?" (p 497) discusses the pharmaceutical uses of methylene blue and its development as the first synthetic drug used against a specific disease. The JCE Classroom Activity "Out of the Blue" (p 536A) and the article "Greening the Blue Bottle" (p 537) feature
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Arsenic minerals commonly occurring in Carlin-type gold deposits include orpiment and realgar and, more rarely, native arsenic and arsenopyrite. Other arsenic-bearing phases present include arsenian pyrite and stibnite and a number of thallium and mercury sulfides. Under conditions of constant temperature and pressure, the relative stability of arsenic minerals is a function of …
Fluoride and arsenic are two prime examples of hazardous water contaminants. Not only is the level of arsenic in US tap water high due to natural groundwater contamination, 1 the most commonly used form of fluoride added to water supplies also tends to be contaminated with arsenic. As reported by the featured article: 2
Arsenic has a well-deserved reputation as a poison; in ancient times it was known as the "Poison of Kings and the King of Poisons." But arsenic, an element found naturally in soil, air, and drinking water, also has beneficial …
Arsenic, a metalloid and naturally occurring element, is one of the most abundant elements in the earth's crust, whose toxicity depends on the reduction state. The trivalent arsenicals are more toxic than the pentavalent …
The lower Illinois River Basin (LIRB) covers 47,000 km2 of central and western Illinois. In the LIRB, 90% of the ground water supplies are from the deep and shallow glacial drift aquifers. The deep glacial drift aquifer (DGDA) is below 152 m altitude, a sand and gravel deposit that fills the Mahomet Buried Bedrock Valley, and overlain by more than 30.5 m of clayey till.
Aqueous arsenic speciation, or the chemical forms in which arsenic exists in water, is a challenging, interesting, and complicated aspect of environmental arsenic geochemistry. Arsenic has the ability to form a wide range of chemical bonds with carbon, oxygen, hydrogen, and sulfur, resulting in a large variety of compounds that exhibit a host of chemical and …
Arsenic (As), a potent neurotoxicant shows negative effects on biological species. Experimental studies provided significant insights into its molecular toxicities.
Arsenic concentrations in ground water of the lower Madison River valley, Montana, are high (16 to 176 μg/L). Previous studies hypothesized that arsenic-rich river water, applied as irrigation, was evapoconcentrated during recharge and contaminated the thin alluvial aquifer. Based on additional data collection and a reevaluation of the hydrology and geochemistry of …
Decades of intensive industrial and agricultural practices as well as rapid urbanization have left communities like Pueblo, Colorado facing potential health threats from pollution of its soils, air, water and food supply. To address such concerns about environmental contamination, we conducted an urban geochemical study of the city of Pueblo to offer insights …
Arsenic is a naturally occurring metalloid that exists in many chemical forms in the environment. Among these forms, inorganic arsenic (As (III), As (V)) is more toxic than organic arsenic (Smedley and Kinniburgh, 2002).Arsenic is widely distributed throughout the Earth's crust; it is released into water through natural corrosion of minerals and ores.
Chronic Poisoning. Michael A. Mcguigan, in Goldman's Cecil Medicine (Twenty Fourth Edition), 2012 Definition. Arsenic is a naturally occurring omnipresent element that exists in three valence states: elemental or metallic arsenic (As 0), trivalent (arsenite, As 3+), and pentavalent (arsenate, As 5+).The trivalent form of arsenic (arsenite) is the most toxic and is responsible for the …
The material also featured oxygen, lanthanum and phosphorus, but its transition temperature was just 4 degrees above absolute zero, no better than the very first superconductor discovered a ...
Arsenic has a complex biogeochemical cycle which has a significant role in pollution. Therefore, this review paper has comprehensively analysed the biogeochemical …
About 88% (202) of the sites sampled had a maximum arsenic concentration below the drinking water standard of 10 μg/L. Available data from near former or current breccia-pipe uranium mines in the area indicate limited evidence to-date of mining effects on elevated arsenic in groundwater, although slow groundwater flow paths in the region may ...
Arsenic is a naturally occurring and ubiquitously present metalloid in soil, water, food, and the environment. Arsenic exposure to human through various sources such as …
Geogenic groundwater contaminants (GGCs) affect drinking-water availability and safety, with up to 60% of groundwater sources in some regions contaminated by more than recommended concentrations. As a result, an estimated 300–500 million people are at risk of severe health impacts and premature mortality. In this Review, we discuss the sources, …
À Torres, une ville côtière au sud du Brésil, lors d'une réunion de famille, trois personnes sont décédées et plusieurs ont été hospitalisées après avoir consommé un gâteau à l'arsenic.
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Arsenic (As) poisoning from drinking groundwater is a serious global problem [11]. Concentrations higher than 0.01 mg/L are detrimental to human health [12]. Arsenic concentration ranging from 0.03 to 1.5 mg/L was observed in samples of geothermal waters in deep wells and hot springs collected from western Anatolia, Turkey [12]. Arsenic with ...
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Arsenic species in the trivalent state including arsenous acid (commonly arsenite), monomethylarsonous acid (MMA III), and dimethylarsinous acid (DMA III) are generally considered more toxic at lower doses than other arsenic species (ATSDR 2007; Drobna et al. 2009), although the complexity of arsenic species interconversion and the number of ...
AbstractHere, we present a case of arsenic-induced Bowen's disease treated with a regimen consisting of topical 5-fluouracil and oral nicotinamide. The use of this therapy modality resulted in near complete resolution of all of the patient's lesions except for those on her palms, soles, and scalp. Excellent wound care and treatment adherence were major factors …
Project 4's latest work on filtering arsenic from drinking water is featured in NIEHS's Environmental Factor newsletter.See Culinary-inspired technique removes arsenic from water. The study, pubished in Environmental Science and Technology, was conducted in Paul Westerhoff's lab at Arizona State University.Authors include MEMCARE trainees Alireza …
Arsenical kidney toxicity. Bruce A. Fowler, in Handbook of Arsenic Toxicology (Second Edition), 2023 14.3.3 Arsenite. Arsenite (As 3 +) is another commonly encountered form of inorganic arsenic, and is more acutely toxic than arsenate [1,2] ostensibly as a result of complexation with the dihydrolipoic acid cofactor required for mitochondrial metabolism of NAD-linked substrate …
The article introduces an innovative 3D MAET method, named 3D MAE-CT, which enhances the original 2D MAE-CT approach by extending it to 3D, allowing for the mapping of irregular conductivity distributions within a volume.
Answers for Calcium, aluminium, arsenic etc crossword clue, 7 letters. Search for crossword clues found in the Daily Celebrity, NY Times, Daily Mirror, Telegraph and major publications. Find clues for Calcium, aluminium, arsenic etc or most any crossword answer or …
Gardening magazines of the time often featured articles on the benefits of arsenic in maintaining a beautiful and pest-free garden. One such magazine, "The Gardeners' Chronicle," published in the late 19th century, regularly included articles on the use of arsenic in gardening. These articles provided detailed instructions on how to ...
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Curiosity: it captivates readers with the phrase hidden battle, suggesting that there is more to the issue than meets the eye. Strong and specific vocabulary: the attention-grabbing phrase shedding light implies that the article will bring awareness and understanding to the topic of mental illness among teenagers.It suggests that readers will gain valuable insights into the article ...