• For the first time ever, the dynamic (potentially bioavailable) fraction of inorganic arsenite, As(III), and arsenate, As(V), were quantified in this estuary, using an antifouling gel-integrated gold microelectrode interrogated by square wave anodic stripping voltammetry (GIME-SWASV). (irb.hr)
  • Arsenite As (III) and arsenate As (V) are inorganic toxic forms of arsenic. (thermofisher.com)
  • Other forms of arsenic in marine products are generally present in lower concentrations, including inorganic arsenic (arsenite and arsenate) which is toxic and rarely exceeds 3% of the total concentration of arsenic in fish and crustaceans. (matis.is)
  • Other arsenic species are generally present in lower concentrations, including the most toxic inorganic arsenic species, arsenite, As (III) and arsenate, As (V), which usually do not exceed 3% of the total arsenic in fish and crustaceans. (matis.is)
  • Hence, sorption behavior of the inorganic species, arsenite and arsenate, has been widely studied. (uni-bayreuth.de)
  • Batch experiments were conducted to determine their sorption kinetics and maximum sorption capacities on goethite (α‑FeOOH) compared to arsenite and arsenate. (uni-bayreuth.de)
  • Sorption equilibrium was reached after 30 minutes for arsenite, 48 hours for arsenate, 7 days for monothioarsenate, and not at all within 14 days for tetrathioarsenate. (uni-bayreuth.de)
  • Overall, it can be concluded that monothioarsenate and especially tetrathioarsenate are much more mobile than arsenite and arsenate. (uni-bayreuth.de)
  • Predictions based on sorption constants from arsenite and arsenate will thus significantly underestimate the arsenic release in sulfidic environments. (uni-bayreuth.de)
  • Urinary levels of total arsenic, inorganic arsenite (AsIII) and arsenate (AsV), monomethylarsonic acid (MMAV), and dimethylarsinic acid (DMA V) were determined. (tmu.edu.tw)
  • Magnetite and IH have been found to be effective in removing both forms of inorganic arsenic (arsenite and arsenate) from aqueous solutions. (nanoenvicz.cz)
  • The neurotoxic langley forms of arsenic include inorganic trivalent arsenite and pentavalent arsenate and the methylated metabolites, milledgeville monomethyl arsonic acid and dimethylarsenic acid foa et al. (hoselito.com)
  • Commonly, only inorganic arsenite and arsenate, as well as organic monomethylarsenate (MMAV) and dimethylarsenate (DMAV) are considered to be important As species in paddy soils, even though sulfate-reducing, methanogenic conditions are reported in paddy soil pore-water. (uni-bayreuth.de)
  • While As concentrations ranged from 3.0 to 84.2 mg As kg -1 (dry weight), only inorganic As (arsenite and arsenate) was detected in the edible portions of the vegetables. (sahmri.org.au)
  • In solution, arsenic primarily occurs as the inorganic arsenate (AsV) species (H2AsO4- and HAsO42-) and the uncharged arsenite (AsIII) species (H3AsO3). (dnsalias.com)
  • There are four oxidation states of arsenic (As) such as arsines and methyl arsines (As 3- ), elemental arsenic (As 0 ), arsenite (As 3+ ) and arsenate (As 5+ ), the inorganic form (As 3+ or As 5+ ). (ijpsr.com)
  • The arsenite (As 3+ ) is 10 times more toxic than arsenate (As 5+ ) 6, 7, 8, 9 . (ijpsr.com)
  • Lerman S, Clarkson TW (1983) The metabolism of arsenite and arsenate by the rat. (springer.com)
  • Vather M, Marafante E (1983) Intracellular interaction and metabolic fate of arsenite and arsenate in mice and rabbits. (springer.com)
  • nitrates NO -3 , nitrites NO -2 , phosphates PO 4 -3 , chromates CrO 4 -2 , cyanides -CN (yanide complexes with metal cations), arsenites AsO 3 -3 and arsenate AsO 4 -3 , sulfide S -2 , and other inorganic and organic anions such as phenolates, anions of anionic detergents R-SO -3 etc. (profibusiness.world)
  • Competitive adsorption of arsenate and arsenite on oxides and clay minerals. (ac.ir)
  • There is a lot of arsenic in the ecosystem in organic compounds as well as in inorganic form and more than 50 natural chemical forms of arsenic have been found. (matis.is)
  • In addition, in a study of CD1 beryllium compounds, cadmium senic is now drinking-water, where mice with "whole-life" exposure to and cadmium compounds, chromi- it is found primarily as the inorgan- multiple levels of sodium arsenite in um(VI) compounds, and nickel and ic forms of arsenite and arsenate. (who.int)
  • Arsenic compounds exist in a number of inorganic and organic forms. (cdc.gov)
  • Other inorganic arsenic compounds may vary somewhat in relative toxicity, and organic arsenic compounds appear to be essentially nontoxic. (cdc.gov)
  • the guidelines for decontamination and medical treatment are applicable for exposure to arsenic and inorganic arsenic compounds, including arsenic trioxide. (cdc.gov)
  • Inorganic arsenic compounds have been used as pesticides, but can no longer be used in agriculture. (cdc.gov)
  • NIOSH skin notation profile: Arsenic and inorganic arsenic containing compounds. (cdc.gov)
  • This Skin Notation Profile provides the SK assignments and supportive data for arsenic and inorganic arsenic containing compounds. (cdc.gov)
  • The concentrations of arsenite in the dynamic fraction, As(III)dyn, ranged from 1.3 to 3.3 nM, contributing almost completely to the dissolved arsenite, As(III)diss, which ranged between 0.9 and 3.1 nM in the 0.2 μm fraction, and between 1.2 and 3.7 nM in the 0.02 μm fraction. (irb.hr)
  • Since pores and skin cells can be a main focus on of both arsenic and UVB, and because arsenite at low concentrations displays a co-carcinogenic impact on mouse pores and skin, mouse epidermal Cl41 cells had been used to check whether low concentrations of arsenite had been capable to lessen UVB-induced cell apoptosis. (phytid.org)
  • Collectively, our results demonstrated that low concentrations of arsenite protected UVB-exposed Cl41 cells from apoptosis in mouse epidermal Cl41 cells. (phytid.org)
  • What is potassium arsenite? (digicomply.com)
  • Potassium arsenite is an inorganic compound composed of potassium and. (digicomply.com)
  • Hunter FT, Kip AF, Irvine JW (1942) Radioactive tracer studies on arsenic injected as potassium arsenite. (springer.com)
  • Sodium arsenite can be used as a reducing agent in organic chemistry, as it is able to reduce a trihaloalkane to a dihaloalkane: CHBr3 + Na3AsO3 + NaOH → CH2Br2 + Na3AsO4 + NaBr The LD50 (oral, mouse) is 40 mg/kg. (wikipedia.org)
  • In inorganic chemistry, Anions , as ionic electrolytic inorganic substances , are any monoatomic or polyatomic species, such as atoms, radicals or groups of atoms with a negative charge (having one or more elementary charges of the electron). (wellnessadvantage.com)
  • In inorganic chemistry, Zwitterions (dipolar ions) , aka Inner Salts are ionically neutral molecules in which both (possible multiple) positive and negative charges are present at different locations within the molecule. (wellnessadvantage.com)
  • Arsenic is found in the biosphere in both organic and inorganic forms, and there have been recognized more than 50 naturally occurring arsenic species. (matis.is)
  • The fourth study confirmed the assumption from the pore-water speciation in study 1 that methylated thioarsenates were sorbed less to Fe(oxyhydr)oxides than inorganic or methylated As species. (uni-bayreuth.de)
  • Arsenic (As) ubiquitously exists in soils as inorganic As and organic species. (attentivelab.com)
  • In flooded rice paddies, arsenite, an inorganic more toxic form is prevalent. (aromahealthtexas.com)
  • Emphasis was then placed on the analysis of toxic inorganic arsenic. (matis.is)
  • Inorganic arsenicals, such as the trioxide, a by-product of smelting of ore containing copper, lead, and zinc, are more toxic than the organic. (medscape.com)
  • The organic forms (eg, arsenobetaine and arsenocholine) are relatively nontoxic, while the inorganic forms are toxic. (testcatalog.org)
  • Some seaweed may contain arsenic in the inorganic form, which is more toxic. (testcatalog.org)
  • Among them the inorganic form (As 3+ or As 5+) of arsenic (As) is highly toxic and mobile in the environment compared to the organic form (As 3- or As 5- ). (ijpsr.com)
  • Vather M, Norin H (1980) Metabolism of 74 As-labeled trivalent and pentavalent inorganic arsenic in mice. (springer.com)
  • Vather M (1981) Biotransformation of trivalent and pentavalent inorganic arsenic in mice and rats. (springer.com)
  • Of all the food components of the US Market Basket Survey, rice-particularly rice grown in the south central United States-has the highest concentration of inorganic arsenic (Schoof et al. (nationalacademies.org)
  • Inorganic arsenic was found to be less than four percent of the total concentration in twelve measured fishmeal samples. (matis.is)
  • On the other hand, when another chemical analysis technique (HPLC-HGAFS) was applied to a sample of certified reference material, the concentration of inorganic arsenic was three times lower. (matis.is)
  • The alkali-alcohol distribution method proved to give a convincing upper limit on the concentration of inorganic arsenic. (matis.is)
  • In addition, they demonstrate the need for a certified concentration of inorganic arsenic in standard materials to test the reliability of chemical analysis methods. (matis.is)
  • OSHA PEL (permissible exposure limit) = 10 µg/m 3 as an 8-hour TWA concentration (as As) for inorganic arsenic (OSHA 2006). (cdc.gov)
  • Fig. 79183-19-0 1 Arsenite at low concentration rendered Cl41 cells resistant to pro-apoptosis 79183-19-0 effects upon UVB radiation Arsenite Had a Co-Inductive Impact with UVB Rays on COX-2 Phrase in Cl41 Cells COX-2 can be an inducible early reactive gene, and takes on a part in the mediation of carcinogenesis and swelling [11]. (phytid.org)
  • In the first study, methylated and inorganic thioarsenates were detected in the pore-water of a large variety of paddy soils from different origins and throughout the whole growing season in Italian soils. (uni-bayreuth.de)
  • Also called sodium meta-arsenite, it is the sodium salt of arsenous acid. (wikipedia.org)
  • We report on the formation of a molecule-ion adduct of β-cyclodextrin (β-CD) with sodium arsenite (SA) both in solid state and in aqueous solution. (pku.edu.cn)
  • Sodium arsenite usually refers to the inorganic compound with the formula NaAsO2. (wikipedia.org)
  • maternal consumption of sodium of which is an arsenic compound of Multiple studies in humans have arsenite in drinking-water during concern. (who.int)
  • Results showed that aging was associated with a diminishing capacity to methylate inorganic arsenic and women possessed a more efficient arsenic methylation capacity than men did. (tmu.edu.tw)
  • 2020. Inorganic arsenic methylation capacity and breast cancer by immunohistochemical subtypes in northern Mexican women. (nih.gov)
  • There is increasing evidence that dietary inorganic arsenic makes an important contribution to total inorganic arsenic exposure, particularly when inorganic arsenic concentrations in water are low. (nationalacademies.org)
  • Given that a great deal of epidemiologic research concerning the health effects of inorganic arsenic exposure from drinking water has been conducted in South Asian and Taiwanese populations, for whom rice is a dietary staple, the committee recommends that the contribution of inorganic arsenic intake from rice be considered in interpreting findings from those regions. (nationalacademies.org)
  • It was concluded that individuals with a higher arsenic exposure and a lower capacity to methylate inorganic arsenic to DMAV have a higher risk of developing PVD in the BFD-hyperendemic area in Taiwan. (tmu.edu.tw)
  • Powder X-Ray Diffraction Analyses for Molecule-Ion Adducts of β-Cyclodextrin with a Series of Inorganic Salts [J]. Acta Phys. (pku.edu.cn)
  • Production of inorganic pesticides such as arsenicals has steadily declined since the 1940s. (cdc.gov)
  • The widespread contamination and toxicity of inorganic arsenic (As) is an alarming issue as the metalloid does not degrade, nor can it be destroyed in the environment. (ijpsr.com)
  • Recently, the EFSA (European Food Safety Authority) called for information on inorganic and organic forms of arsenic in food and for chemical analysis methods to detect inorganic arsenic. (matis.is)
  • It can occur in both organic and inorganic forms. (ijpsr.com)
  • Inorganic monothioarsenate (MTA) was taken up in rice roots and rapidly transformed to arsenite by a so far unknown enzyme, however, this transformation was not complete and MTA was detected in the xylem, as well as in roots and shoots. (uni-bayreuth.de)
  • Some pesticides are inorganic chemicals, such as sulfur, and others are organic chemicals, such as the alkaloid nicotine derived from plants. (cdc.gov)
  • Preparation, Spectral Properties and Decomposition Behavior of a Novel β -Cyclodextrin and Sodium Arsenite Adduct Formed by Stirring[J]. Acta Phys. (pku.edu.cn)
  • Rice absorbs more arsenite in flooded fields because it cannot differentiate arsenite and silicic acid. (aromahealthtexas.com)
  • Probabilistic exposure modeling that used NHANES dietary data from 2003-2004 coupled with duplicate diet and biomarker measurements estimated that the major contributors to dietary inorganic arsenic intake are vegetables (24%), fruit juices and fruits (18%), and rice (17%) (Xue et al. (nationalacademies.org)
  • 2010). Indeed, the lay press has recently called attention to the issue of inorganic arsenic in fruit juices and rice (Consumer Reports 2012a,b), creating concern in the US public. (nationalacademies.org)
  • The aim of this thesis was to investigate the occurrence of inorganic and methylated thioarsenates in paddy fields and to study their transformation, uptake, accumulation, and translocation by rice plants. (uni-bayreuth.de)
  • Arsenic occurs naturally in soil and many kinds of rock (especially minerals and ores that contain copper and lead) as inorganic arsenic. (cdc.gov)
  • Sodium arsenite is an appropriate chemical stressor to induce the production of heat shock proteins, and the formation of cytoplasmic stress granules. (wikipedia.org)
  • These results suggest that arsenite promotes TF synthesis by activating the Nrf2 pathway in HASMCs and that the induction of TF expression by arsenite may be related to the progression of atherosclerosis. (go.jp)
  • Inorganic arsenic is an environmental human carcinogen, and has been shown to act as a co-carcinogen with solar ultraviolet (UV) radiation in mouse skin tumor induction even at low concentrations. (phytid.org)
  • Our results also showed that the COX-2 induction by 79183-19-0 arsenite and UVB depended on an NFB pathway because COX-2 co-induction could be attenuated in either p65-deficient or p50-deficient cells. (phytid.org)
  • Provided the importance of apoptosis evasion during carcinogenesis, we expected that COX-2 induction might become at least partly accountable for the co-carcinogenic impact of arsenite on UVB-induced pores and skin carcinogenesis. (phytid.org)
  • Hence, the COX-2 was examined by us induction by arsenite and/or UVB in Cl41 cells. (phytid.org)
  • Furthermore, our outcomes indicated that treatment of Cl41 with arsenite and 1KL/meters2 UVB also lead in a significant co-induction of COX-2 phrase in the COX-2-luciferase news reporter assay (Fig. 2D), recommending that an co-inductive impact of arsenite with UVB upon COX-2 reflection might take place in transcriptional level. (phytid.org)
  • 0.01 mg/m3, respirable fraction (Cu, inorganic cmpnds. (haz-map.com)
  • The greatest threat to public health from arsenic comes from drinking water, typically through consumption over long periods of water containing low concentrations of inorganic arsenic. (who.int)
  • Recently the EFSA (European Food Safety Authority) stressed the need for more data on levels of organic and inorganic arsenic in different foodstuffs and the need for robust validated analytical methods for the determination of inorganic arsenic. (matis.is)
  • In an previous research, we demonstrate that arsenite exerts an anti-apoptotic impact on Cl41 cells at low concentrations [10]. (phytid.org)
  • By determining the thiolation potential in anoxic lab incubations, the soil pH was found to be an easy to measure indicator for the formation of methylated or inorganic thioarsenates. (uni-bayreuth.de)
  • We found that (1) arsenite stimulated TF synthesis and activated the nuclear factor erythroid 2-related factor 2 (Nrf2) pathway in HASMCs, (2) sulforaphane, an Nrf2 activator, also stimulated TF synthesis in HASMCs, and (3) arsenite-induced upregulation of TF synthesis was prevented by Nrf2 knockdown in HASMCs. (go.jp)
  • Kapahi p50/JNK pathway [29], while low doses of arsenite exposure resulted in cell transformation [30]. (phytid.org)
  • 2011). A recent report also indicates that the meat of broiler chickens fed a diet that included roxarsone, an organic arsenical feed additive that promotes growth and feed use, is a source of dietary arsenic, although it is not clear that the meat arsenic is the inorganic form (Gul Kazi et al. (nationalacademies.org)
  • The previously published alkali-alcohol extraction method, for the detection of inorganic arsenic, was adapted and the samples were measured by HPLC equipment connected to ICP-MS. Arsenobetanide was found to be the predominant form of arsenic in all cases. (matis.is)
  • Moreover, UVB-induced cell apoptosis could become decreased by the intro of exogenous COX-2 appearance significantly, whereas the inhibitory impact of arsenite on UVB-induced cell apoptosis could become reduced in COX-2 knockdown Cl41 cells. (phytid.org)
  • In the present study, we investigated the effect of arsenite on the expression of TF in human aortic smooth muscle cells (HASMCs) and the underlying molecular mechanisms. (go.jp)
  • Accordingly, assays for DNA fragmentation and clevage caspase 3, two classic indicators of apoptosis [21], were further employed to verify the anti-apoptotic effect of arsenite on UVB-treated Cl41 cells (Figs. 1D and 1E). (phytid.org)
  • On the other hand inorganic arsenic (As) is associated with iron, cobalt or nickel coupled with sulphide minerals 3 . (ijpsr.com)
  • How epidemiologic studies have assessed exposure to inorganic arsenic is an important element of study selection, interpretation, and use in dose-response analyses. (nationalacademies.org)