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215 results

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Quoted phrase not found in phrase index: "arsenic trimethyl"
Page 1
Arsenic intake and excretion by Japanese adults: a 7-day duplicate diet study.
Mohri T, Hisanaga A, Ishinishi N. Mohri T, et al. Food Chem Toxicol. 1990 Jul;28(7):521-9. doi: 10.1016/0278-6915(90)90123-5. Food Chem Toxicol. 1990. PMID: 2210525
Specifically, there was also a significant correlation between the daily intakes of trimethylarsenic compounds and dimethylarsinic acid and the amounts of these compounds found in the urine the following day (r = 0.6833, P less than 0.01 and r = 0.6630, P less than 0.01, r …
Specifically, there was also a significant correlation between the daily intakes of trimethylarsenic compounds and dimethylarsinic ac …
Is arsenic biotransformation a detoxification mechanism for microorganisms?
Rahman MA, Hassler C. Rahman MA, et al. Aquat Toxicol. 2014 Jan;146:212-9. doi: 10.1016/j.aquatox.2013.11.009. Epub 2013 Nov 22. Aquat Toxicol. 2014. PMID: 24321575 Review.
The biomethylation process results in the conversion of toxic iAs to the less toxic pentavalent MetAs forms (monomethylarsonate; MMA(V), dimethylarsonate; DMA(V), and trimethylarsenic oxide; TMAO(V)) and trimethylarsine (TMAO(III)). However, biomethylation by microo …
The biomethylation process results in the conversion of toxic iAs to the less toxic pentavalent MetAs forms (monomethylarsonate; MMA(V), dim …
Environmental biochemistry of arsenic.
Tamaki S, Frankenberger WT Jr. Tamaki S, et al. Rev Environ Contam Toxicol. 1992;124:79-110. doi: 10.1007/978-1-4612-2864-6_4. Rev Environ Contam Toxicol. 1992. PMID: 1732996 Review.
The pathway proceeds aerobically by arsenate reduction to arsenite followed by several methylation steps producing trimethylarsine. Volatile arsine gases are very toxic to mammals because they destroy red blood cells (LD50 in rats; 3.0 mg kg-1). Further studies are needed …
The pathway proceeds aerobically by arsenate reduction to arsenite followed by several methylation steps producing trimethylarsine. V …
Efficient Arsenic Methylation and Volatilization Mediated by a Novel Bacterium from an Arsenic-Contaminated Paddy Soil.
Huang K, Chen C, Zhang J, Tang Z, Shen Q, Rosen BP, Zhao FJ. Huang K, et al. Environ Sci Technol. 2016 Jun 21;50(12):6389-96. doi: 10.1021/acs.est.6b01974. Epub 2016 Jun 10. Environ Sci Technol. 2016. PMID: 27258163 Free PMC article.
SM-1 showed strong As methylation and volatilization abilities, converting almost all arsenite (10 muM) to dimethylarsenate and trimethylarsenic oxide in the medium and trimethylarsine gas into the headspace within 24 h, with trimethylarsine accounting for ne …
SM-1 showed strong As methylation and volatilization abilities, converting almost all arsenite (10 muM) to dimethylarsenate and trimethyl …
Metabolism and excretion of orally administrated arsenic trioxide in the hamster.
Yamauchi H, Yamamura Y. Yamauchi H, et al. Toxicology. 1985 Feb;34(2):113-21. doi: 10.1016/0300-483x(85)90161-1. Toxicology. 1985. PMID: 3969684
The single oral dose of arsenic trioxide was followed by a very small amount of trimethylarsenic compounds (TMA) occurring only in the liver but not in any other organs, tissues, blood or feces. ...
The single oral dose of arsenic trioxide was followed by a very small amount of trimethylarsenic compounds (TMA) occurring only in th …
Glutathione modulates recombinant rat arsenic (+3 oxidation state) methyltransferase-catalyzed formation of trimethylarsine oxide and trimethylarsine.
Waters SB, Devesa V, Fricke MW, Creed JT, Stýblo M, Thomas DJ. Waters SB, et al. Chem Res Toxicol. 2004 Dec;17(12):1621-9. doi: 10.1021/tx0497853. Chem Res Toxicol. 2004. PMID: 15606138
Hydride generation atomic absorption spectrometry and electrospray ionization mass spectrometry identified the third reaction product as trimethylarsine oxide. The addition of glutathione to reaction mixtures containing radiolabeled arsenite and rrAS3MT increased the yield …
Hydride generation atomic absorption spectrometry and electrospray ionization mass spectrometry identified the third reaction product as …
A unique arsenic speciation profile in Elaphomyces spp. ("deer truffles")-trimethylarsine oxide and methylarsonous acid as significant arsenic compounds.
Braeuer S, Borovička J, Goessler W. Braeuer S, et al. Anal Bioanal Chem. 2018 Mar;410(9):2283-2290. doi: 10.1007/s00216-018-0903-3. Epub 2018 Feb 12. Anal Bioanal Chem. 2018. PMID: 29430602 Free PMC article.
This is the first report of the occurrence of trimethylarsine oxide and methylarsonous acid at significant concentrations in a terrestrial organism. Our findings point out that there is still a lot to be understood about the biotransformation pathways of arsenic in the ter …
This is the first report of the occurrence of trimethylarsine oxide and methylarsonous acid at significant concentrations in a terres …
The reduction of trimethylarsine oxide by Candida humicola.
Pickett AW, McBride BC, Cullen WR, Manji H. Pickett AW, et al. Can J Microbiol. 1981 Aug;27(8):773-8. doi: 10.1139/m81-120. Can J Microbiol. 1981. PMID: 7296411
Trimethylarsine oxide, a probable intermediate in the biological transformation of arsenate, was reduced to volatile trimethylarsine by Candida humicola. A simple assay for the rate of trimethylarsine production from trimethylarsine oxide by the fungus …
Trimethylarsine oxide, a probable intermediate in the biological transformation of arsenate, was reduced to volatile trimethylarsi …
Liver is a target of arsenic carcinogenesis.
Liu J, Waalkes MP. Liu J, et al. Toxicol Sci. 2008 Sep;105(1):24-32. doi: 10.1093/toxsci/kfn120. Epub 2008 Jun 19. Toxicol Sci. 2008. PMID: 18566022 Free PMC article. Review.
In rats, the methylated arsenicals, dimethylarsinic acid promotes diethylnitrosamine-initiated liver tumors, whereas trimethylarsine oxide induces liver adenomas. Chronic exposure of rat liver epithelial cells to low concentrations of inorganic arsenic induces malignant tr …
In rats, the methylated arsenicals, dimethylarsinic acid promotes diethylnitrosamine-initiated liver tumors, whereas trimethylarsine …
Cellular metabolism of arsenocholine.
Christakopoulos A, Norin H, Sandström M, Thor H, Moldeus P, Ryhage R. Christakopoulos A, et al. J Appl Toxicol. 1988 Apr;8(2):119-27. doi: 10.1002/jat.2550080209. J Appl Toxicol. 1988. PMID: 3288685
The biotransformation products were arsenobetaine aldehyde, arsenobetaine, trimethylarsine oxide and trimethylarsine. Arsenobetaine was the major metabolite and it was formed via arsenobetaine aldehyde. Trimethylarsine oxide was formed via a side reaction fro …
The biotransformation products were arsenobetaine aldehyde, arsenobetaine, trimethylarsine oxide and trimethylarsine. Arsenobe …
215 results