Results 81 to 90 of about 4,590 (135)
Mesoporous hydrochar from Acacia falcata leaves by hydrothermal process for hexavalent chromium adsorption. [PDF]
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Evidence of Hexavalent Chromium Ingestion
Journal of Forensic Sciences, 2003Abstract We describe the application of histochemical demonstration of chromium in a case of fatal ingestion of potassium dichromate in a suicide attempt. Using 2-(8-quinolylazo)-4,5-di-p-tolylimidazole (QTI), we could demonstrate chromium in the erythrocyte of the victim, in situ.
Hiroshi, Kinoshita +7 more
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Dermatological Toxicity of Hexavalent Chromium
Critical Reviews in Toxicology, 2007Hexavalent chromium causes two types of dermatological toxicities: allergic contact dermatitis (ACD) and skin ulcers. This report reviews the etiology, prevalence, pathology, dose-response, and prognosis of both of these reactions. Reports in the literature indicate that repeated exposure to hexavalent chromium in concentrations of 4-25 ppm can both ...
Susan R, Shelnutt +2 more
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Chromium Isotopes and the Fate of Hexavalent Chromium in the Environment
Science, 2002Measurements of chromium (Cr) stable-isotope fractionation in laboratory experiments and natural waters show that lighter isotopes reacted preferentially during Cr(VI) reduction by magnetite and sediments. The 53 Cr/ 52 Cr ratio of the product was 3.4 ± 0.1 per mil less than that of the ...
Andre S, Ellis +2 more
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Hexavalent chromium disrupts chromatin architecture
Seminars in Cancer Biology, 2021Accessibility of DNA elements and the orchestration of spatiotemporal chromatin-chromatin interactions are critical mechanisms in the regulation of gene transcription. Thus, in an ever-changing milieu, cells mount an adaptive response to environmental stimuli by modulating gene expression that is orchestrated by coordinated changes in chromatin ...
Andrew VonHandorf +2 more
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Inactivation of Hexavalent Chromium
Archives of Dermatology, 1962Inactivation of chromium ion in allergic eczematous dermatitis with an antichrome agent was demonstrated by patch test studies in chromate-sensitive patients. 1,2 The purpose of this paper is to report on the stability of our antichrome agent in solutions and ointment bases, on the removal of hexavalent chromium from various materials, and on ...
M H, SAMITZ, E, EPSTEIN, S, KATZ
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Hexavalent chromium reduction by gallic acid
Chemosphere, 2021Cr(VI) is widely used in industry and often large quantities have been accidently or due to lack of precautions released at the environment. The presence of high concentrations of Cr(VI) in waste streams causes concern due to its toxicity and solubility. However the Cr(III) is a useful micronutrient in human diet.
Christiana, Mystrioti +3 more
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Fastening and Assembly Solutions and Technology, 2022
The Academy Award-nominated film ‘Erin Brockovich’ (2000) tells the true story of a woman who fought a utility company that was polluting the water supply of the surrounding community with a cancer-causing chemical waste compound. Over two decades later, that same substance is still used as a rust-inhibiting plating on industrial fasteners, according ...
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The Academy Award-nominated film ‘Erin Brockovich’ (2000) tells the true story of a woman who fought a utility company that was polluting the water supply of the surrounding community with a cancer-causing chemical waste compound. Over two decades later, that same substance is still used as a rust-inhibiting plating on industrial fasteners, according ...
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In vivo production of hexavalent chromium
Biomaterials, 1984Abstract Surgical implants which contain chromium result in increased in vivo concentrations. The oxidation chemistry of this reaction is considered.
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