Academic literature on the topic 'Metals – Toxicology'

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Journal articles on the topic "Metals – Toxicology"

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Furst, Arthur. "Toxicology of metals." International Journal of Toxicology 16, no. 6 (November 1997): 684–85. http://dx.doi.org/10.1177/109158189701600613.

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Júnior, Fernando Barbosa, Marcelo Farina, Susana Viegas, and Wilma De Grava Kempinas. "Toxicology of Metals and Metalloids." BioMed Research International 2014 (2014): 1–2. http://dx.doi.org/10.1155/2014/253738.

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Garriott, James C. "A Review ofHazardous Metals in Toxicology." Journal of Forensic Sciences 30, no. 3 (July 1, 1985): 11036J. http://dx.doi.org/10.1520/jfs11036j.

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Marchan, Rosemarie. "Highlight report: redox—metals in toxicology." Archives of Toxicology 89, no. 12 (November 28, 2015): 2475–76. http://dx.doi.org/10.1007/s00204-015-1647-x.

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Raza-Naqvi, Syed Ali, Fareeha Idrees, Tauqir A. Sherazi, Sohail Anjum-Shahzad, Sadaf Ul-Hassan, and Nimra Ashraf. "TOXICOLOGY OF HEAVY METALS USED IN COSMETICS." Journal of the Chilean Chemical Society 67, no. 3 (September 2022): 5615–22. http://dx.doi.org/10.4067/s0717-97072022000305615.

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Waldron, H. A. "Chemical Toxicology and Clinical Chemistry of Metals." Occupational and Environmental Medicine 42, no. 6 (June 1, 1985): 432. http://dx.doi.org/10.1136/oem.42.6.432.

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Forth, W. "Book Reviews : Toxicology of Metals- Biochemical Aspects." Human & Experimental Toxicology 15, no. 3 (March 1996): 277. http://dx.doi.org/10.1177/096032719601500321.

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Shi, Jianbo, and Yong Cai. "Environmental chemistry and toxicology of heavy metals." Ecotoxicology and Environmental Safety 202 (October 2020): 110926. http://dx.doi.org/10.1016/j.ecoenv.2020.110926.

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Meier, J. "Toxicology of metals—clinical and experimental research." Toxicon 27, no. 3 (January 1989): 400. http://dx.doi.org/10.1016/0041-0101(89)90197-9.

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Fry, Jeffrey R. "Book Review: Handbook of the Toxicology of Metals." Alternatives to Laboratory Animals 14, no. 3 (March 1987): 251. http://dx.doi.org/10.1177/026119298701400326.

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Dissertations / Theses on the topic "Metals – Toxicology"

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Chen, Xuehui. "Accumulation of heavy metals and organochlorine pesticides in human milk and adipose tissues, and its health concerns." HKBU Institutional Repository, 2007. http://repository.hkbu.edu.hk/etd_ra/779.

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Intima, Danielle Polidorio. "Avaliação do risco a exposição ocupacional a metais em incineradores de resíduos de serviços de saúde." Universidade de São Paulo, 2004. http://www.teses.usp.br/teses/disponiveis/46/46133/tde-23072008-085439/.

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O trabalho teve como objetivo avaliar o risco a exposição ocupacional a metais em incineradores de resíduos de serviços de saúde, com o intuito de verificar as condições de trabalho das usinas de incineração, a fim de proteger a saúde dos trabalhadores do setor e evitar danos ao meio ambiente. Resíduos de serviços de saúde são resíduos sépticos caracterizados como resíduo Classe I por apresentarem patogenicidade, portanto, seu estudo é de extrema importância para a saúde pública e para qualidade do meio ambiente. Um dos processos de tratamento recomendado pela legislação para este tipo de resíduo consiste na incineração. Este processo baseia-se na decomposição térmica via oxidação, com o objetivo de minimizar a toxicidade e o volume dos resíduos. A presença de metais nos resíduos a serem incinerados é uma preocupação, pois este processo provoca a partição do metal presente nos resíduos de alimentação da câmara de combustão, podendo ocorrer sua emissão juntamente com as cinzas, ou com os resíduos do sistema de controle de poluição ou, até mesmo, através da chaminé dependendo de sua volatilidade. Em face desta problemática, faz-se necessária avaliação do risco ocupacional gerado pela exposição ao material particulado e aos gases tóxicos gerados pelo processo. Esta avaliação consiste na caracterização das partículas através da medição de seus constituintes em massa por volume de ar do ambiente de trabalho amostrado. Para isso, foi aplicada metodologia específica e reconhecida do National Institute of Organization Safety Health (NIOSH), o qual recomenda para a amostragem de mercúrio a utilização de resina hopcalite, e para os demais metais a utilização de filtro de éster de celulose. Como técnicas analíticas, este instituto recomenda a utilização da espectrometria de absorção atômica por geração de vapor frio para determinação de mercúrio e da espectrometria de emissão atômica com plasma de argônio induzido para os demais metais. De acordo com os resultados, foram obtidas concentrações acima do limite estabelecido para arsênio, berílio, cádmio, chumbo e mercúrio. Portanto, foram propostas alterações tecnológicas no processo e adequação dos equipamentos de proteção, com o intuito de proteger a saúde dos trabalhadores, da população e evitar danos ao meio ambiente.
This project aimed to evaluate the risk of metal occupational exposition in hospital waste incinerators, in order to verify the incineration plant work conditions, to protect the workers\' health and to avoid damage to the environment. Hospital waste is septic, characterized as Hazardous Waste (Class I) due to its patogenicity, therefore their study is extremely important for public health and environment quality. One of the legally recommended treatment processes to this kind of waste is the incineration. This process is based on thermal decomposition by oxidation, to minimize the toxicity and the waste volume. The presence of metal in the waste to be incinerated is a concern, because this process causes the partition of the metal present in the feeding waste of the combustion camera, which could lead to its emission together with the ash or even with the pollution control system waste, or, even, through the chimney, depending on its volatility. Due to this issue, occupational risk evaluation generated by exposition to particulate material and toxic gases emitted by the process rests necessary. This evaluation consists of particle characterization by measuring the constituents in mass per volume of the environmental sampling air. In order to reach it, specific and recognized methodology from the National Institute of Organization Safety Health (NIOSH) was applied, which recommends for mercury sampling the use of hopcalite resin, and for the other metaIs the use of cellulose filter. As analytic techniques, this institute recommends the use of cold vapor atomic absorption spectrometry to mercury determination and the inductively coupled plasma emission spectrometry to the other metals. According to the results, the obtained concentrations were above the limit established for arsenic, beryllium, cadmium, lead and mercury. Therefore, technological alterations were proposed in the process and adaptation of the protection equipments, in order to protect the employees\' health, the population health and to avoid damage to the environment.
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Ramos, Teresinha Aparecida Dias. "Exposição a metais em pescadores do alto Rio São Francisco, Brasil: um estudo preliminar." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/9/9141/tde-16112017-110000/.

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Em 2006 foi realizado um estudo preliminar para avaliar a exposição a metais em pescadores do Alto São Francisco, no estado de Minas Gerais, Brasil. Os pescadores das cidades de Três Marias, principal foco de pesquisa, e Morada Nova de Minas, como controle, foram avaliados sob o ponto de vista clínico e laboratorial, através de exames bioquímicos e dosagens de Pb-S, Cd-V, As-V, Zn-V e Mn-V. Os resultados das avaliações apresentaram diferenças estatisticamente significativas para o zinco e o arsênio, entre os dois grupos avaliados. Para o chumbo e o manganês, as diferenças não foram, estatisticamente, relevantes. Para o cádmio os dados foram idênticos para ambas populações. Embora os estudos para verificar a contaminação por metais tenham sido feitos, ainda não há evidências de comprometimento da saúde dos pescadores pela contaminação de metais.
A preliminar study to estimate the exposure to metals by fishermen at the High San Francisco River area in Minas Gerais State, in Brazil, had been accomplished in 2006. The fishemen at Tres Marias and Morada Nova county in Minas Gerais State (used a control group), had been evaluated under a clinical and laboratorial point ofview, through a biochemical analysis and Pb-B; Cd -D, As -D, ZnD and Mn-D determinations. The results apparently presented a significant statistical differences related to Zinc and Arsenic among the evaluated fisherman groups. It was not found statistically relevant differences for Manganese and Lead. For urinary Cd, the results were identical at both cities. Although the possibility of exposure by those metals have been studied, there are no evidences of fishermen\'s health implications yet.
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Yu, Lok Chiu. "Cellular metabolism in in vitro toxicity and toxicology studies." HKBU Institutional Repository, 2005. http://repository.hkbu.edu.hk/etd_ra/675.

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Zheng, Wei. "Defense of mammalian body against heavy metal-induced toxicities: Sequestration by the choroid plexus and elimination via the bile." Diss., The University of Arizona, 1991. http://hdl.handle.net/10150/185389.

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Tissue sequestration and biliary elimination are two of the important mechanisms by which mammalian body defends against heavy metal insults. In rats or rabbits that had received Pb, Cd, Hg, As and ²¹⁰Po, these metal ions were sequestered in the choroid plexus at concentrations of Pb, Cd, Hg, As and Po that were 57, 33, 12, 13 and 5 times higher, respectively, than those found in the brain cortex. In addition, the concentrations of these heavy metal ions were many fold greater in the choroid plexus than in the CSF or blood. The accumulation of Pb in the choroid plexus was dose-dependent and time-related. When the choroid plexus was incubated, in vitro, with ouabain, the latter significantly inhibited the uptake of Cd from the CSF side of the choroid plexus. Cystine concentration was four times greater in the choroid plexus than in brain cortex. Results suggest that the choroid plexus sequesters toxic metal and metalloid ions. It appears to do this in order to protect the CSF and brain from toxic heavy metals in the blood. The effect of N-(2,3-dimercaptopropyl) phthalamidic acid (DMPA), meso-dimercaptosuccinic acid (DMSA) and 2,3-dimercapto-1-propane sulfonic acid (DMPS) on biliary excretion of Cd was studied in rat chronic intoxication mode. DMPA (0.10 mmol/kg, iv), when given to rats three days after exposure to Cd, elicited within 30 min a 20-fold increase in biliary Cd excretion. GSH in rat bile was also increased three fold as compared to control. Neither DMSA nor DMPS increased biliary Cd or GSH. Upon iv administration, DMPA, not DMSA, appeared in bile. An altered, presumably disulfide, form of DMPS was also found in bile. Incubation of DMPA or DMSA with Cd-saturated MT resulted in the removal of Cd from MT. DMPS, however, promoted the formation of MT polymers. DMPA protected biliary GSH from autoxidation. Gel filtration and autoradiographic study of rat bile samples showed that the radioactivity of Cd was correlated with both GSH and DMPA. The evidence supports the mechanism that the increase of biliary Cd by DMPA is the result of DMPA entering cells and removing Cd from MT. Protection of GSH autoxidation by DMPA may facilitate Cd elimination via the bile.
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Sekhula, Koena Sinah. "Heavy metal ion resistance and bioremediation capacities of bacterial strains isolated from an Antimony Mine." Thesis, University of Limpopo, 2005. http://hdl.handle.net/10386/139.

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Thesis (M.Sc.) -- University of Limpopo, 2005
Six aerobic bacterial strains [GM 10(1), GM 10 (2), GM 14, GM 15, GM 16 and GM 17] were isolated from an antimony mine in South Africa. Heavy-metal resistance and biosorptive capacities of the isolates were studied. Three of the isolates (GM 15, GM 16 and GM 17) showed different degrees of resistance to antimony and arsenic oxyanions in TYG media. The most resistant isolate GM 16 showed 90 % resistance, followed by GM 17 showing 60 % resistance and GM 15 was least resistant showing 58 % resistance to 80 mM arsenate (AsO4 3-). GM 15 also showed 90 % resistance whereas isolates GM 16 and GM 17 showed 80 % and 45 % resistance respectively to 20 mM antimonate (SbO4 3-). Arsenite (AsO2 -) was the most toxic oxyanion to all the isolates. Media composition influenced the degrees of resistance of the isolates to some divalent metal ions (Zn2+, Ni2+, Co2+, Cu2+ and Cd2+). Higher resistances were found in MH than in TYG media. All the isolates could tolerate up to 5 mM of the divalent metal ions in MH media, but in TYG media, they could only survive at concentrations below 1 mM. Also, from the toxicity studies, high MICs were observed in MH media than TRIS-buffered mineral salt media. Zn2+ was the most tolerated metal by all the isolates while Co2+ was toxic to the isolates. The biosorptive capacities of the isolates were studied in MH medium containing different concentrations of the metal ions, and the residual metal ions were determined using atomic absorption spectroscopy. GM 16 was effective in the removal of Cu2+ and Cd2+ from the contaminated medium. It was capable of removing 65 % of Cu2+ and 48 % of Cd2+ when the initial concentrations were 100 mg/l, whereas GM 15 was found to be effective in the biosorption of Ni2+ from the aqueous solutions. It was capable of removing 44 % of Ni2+ when the initial concentration was 50 mg/l. GM 17 could only remove 20 % of Cu2+ or Cd2+. These observations indicated that GM 16 could be used for bioremediation of xvi Cu2+ and Cd2+ ions from Cu2+ and Cd2+-contaminated aqueous environment, whereas GM 15 could be used for bioremediation of Ni2+.
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Wilkins, Janine Catherine. "Cadmium tolerance in Holcus lanatus L. : studies of stability and differential cadmium uptake in two ecotypes." Thesis, University of Bristol, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.297644.

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Nkqenkqa, Vuyiseka. "Metal and microbial contamination of agricultural soil and the Veldwachters River, Stellenbosch, South Africa." Thesis, Cape Peninsula University of Technology, 2017. http://hdl.handle.net/20.500.11838/2423.

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Thesis (MTech (Environmental Health))--Cape Peninsula University of Technology, 2017.
Surface water is used as a source of water supply in many countries, including South Africa. One of the sources of surface water pollution is leachate and surface runoff from landfills. In agricultural soils, the landfill runoff and leachate deteriorate the quality and affect the fertility of soil. The entry of metals and microorganisms from landfill leachate to adjacent environments is through surface runoff due to rainfall. Adverse effects on human- and environmental health triggers a need to monitor and control contaminants in the environment. The aims of the study are to determine the effect of landfill runoff and leachate on agricultural soil and river water (Veldwachters River) running adjacent to the Devon Valley landfill site and to identify potential metal-tolerant organisms in environmental samples collected in Stellenbosch, Western Cape, South Africa. Samples (agricultural soil, river water and sediments) were collected once a month for a period of six months from the study area for analysis. Physicochemical parameters that are known to have major effects on environmental samples were assessed and the concentrations of various metals (Al, Pb, Cr, Mn, Mo, Co, Ni, Cu, Zn, Fe, Cd and V) were also determined by means of inductively coupled plasma mass spectrometry (ICP-MS). Soil texture analysis was tested in order to monitor the metal distribution in soils under the influence of environmental factors.
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Gausman, Maria M. "A COMPARISON OF DUCKWEED AND STANDARD ALGAL PHYTOTOXICITY TESTS AS INDICATORS OF AQUATIC TOXICOLOGY." Miami University / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=miami1153752259.

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Santos, Claudia Regina dos. "Avaliação dos indicadores biológicos de exposição aos metais em trabalhadores de fundições." Universidade de São Paulo, 2004. http://www.teses.usp.br/teses/disponiveis/9/9141/tde-13012012-104922/.

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A produção de metais sanitários é um setor em constante fase de crescimento no país. O processo industrial envolve etapas como a evaporação, condensação e oxidação dos metais no ar que levam a formação de fumos metálicos em vários tipos de indústria, inclusive em fundições. A exposição do trabalhador ao ambiente contaminado pode levar ao aparecimento de alterações bioquímicas e, em algumas circunstâncias, de doenças profissionais. No setor de metais sanitários, são utilizadas ligas metálicas de latão, onde predomina o zinco e o cobre, sendo o chumbo, cádmio, manganês e níquel, metais que aparecem sob a forma de impurezas. Desses metais, apenas o chumbo sanguíneo (Pb-S) e o cádmio urinário (Cd-U) são regulamentados no Brasil, de acordo com a NR-7 do Ministério do Trabalho, como indicadores biológicos de exposição. No presente estudo, foram otimizados e validados métodos para a determinação de Pb-S, Cd-U, Mn-U e Ni-U por espectrometria de absorção atômica acoplado a forno de grafite. Posteriormente foram avaliados 273 indivíduos do sexo masculino (178 do grupo exposto e 95 do grupo controle) que trabalhavam em 8 fundições de metais sanitários de Loanda-PR. Os níveis de Pb-S apresentaram-se elevados, considerando o limite internacional. Os metais avaliados na urina Cd-U, Mn-U e Ni-U apresentaram concentrações relativamente baixas, sendo considerado o chumbo como o principal problema, relacionado aos fumos metálicos. Foram propostas medidas corretivas nos ambientes de trabalho e os níveis dos quatro metais em questão foram reavaliados em dois períodos diferentes (antes e após as modificações), apresentando no segundo momento reduções estatisticamente significativas. As médias observadas nos dois períodos foram de 42,74µg/dL e 26,54µg/dL para o Pb-S; 0,269 e 0,015µg/g de creatinina para o Cd-U; 1,94 e 0,39µg/g de creatinina para o Mn-U e 1,82 e 0,68µg/g de creatinina para o Ni-U, com níveis de significância (p) < 0,05, evidenciando assim a importância da adequação do ambiente de trabalho na garantia de exposições seguras para o trabalhador.
The sanitary metal production is a sector in constant development in Brazil. This industrial process involves stages such as evaporation, condensation and oxidation of metals, therefore allowing the formation of metallic fumes in some types of industry, and also in foundries. The contaminated environment can induce, in the workers, biochemical alterations and, in some circumstances, occupational diseases. In the sanitary metal sector, alloys are used in which predominate the metals zinc and copper, being lead, cadmium, manganese and nickel, metals that can be found in the form of impurities. According to Brazilian legislation\'s (Ministry of Work) only lead in blood and cadmium in urine are regulated as biological monitoring of exposure. In the present study, methods based on graphite furnace atomic absorption spectrometry and zeeman background correction were validated for quantification of Pb-B, Cd-U, Mn-U and Ni-U, and 273 male individuais (178 exposed group and 95 non exposed - control group), working in 8 sanitary metal foundries, in Loanda, Paraná, a state located in the south of Brazil, were evaluated. The levels of Pb-B were higher than the international permissible limit. Relatively low concentrations were found for the other evaluated metals: Cd-U, Mn-U and Ni-U, thus lead can be considered, in this case, the main problem, associated with metallic fumes. Corrective measures in the work environment were proposed and implemented, thus the four metais were evaluated in two distinct situations (biological determinations were done before and after the modifications). The results of the second evaluation showed reductions those were statistically significant. The means obtained in the two determinations were 42,74µg/dL and 26,54µg/dL for Pb-B; 0,269 and 0,015µg/g creatinine for Cd-U; 1,94 and 0,39µg/g creatinine for Mn-U and 1,82 and 0,68µg/g creatinine for Ni-U, with leveis of significance (p) < 0,05, thus evidencing the importance of the adequacy of the work environment in the guarantee of safe exposures for the workers.
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Books on the topic "Metals – Toxicology"

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Goyer, Robert A., and M. George Cherian, eds. Toxicology of Metals. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79162-8.

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Homeostasis and toxicology of essential metals. Amsterdam: Academic Press, 2012.

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Masayuki, Yasui, ed. Mineral and metal neurotoxicology. Boca Raton: CRC Press, 1997.

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T, Zelikoff Judith, and Thomas Peter T, eds. Immunotoxicology of environmental and occupational metals. London: Taylor & Francis, 1998.

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C, Newman Michael, McIntosh Alan W, and International Conference on Metals in Soils, Waters, Plants, and Animals (1990 : Orlando, Fla.), eds. Metal ecotoxicology: Concepts & applications. Chelsea, Mich: Lewis Publishers, 1991.

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Farrell, Anthony Peter, Chris M. Wood, and Colin J. Brauner. Homeostasis and toxicology of non-essential metals. Amsterdam: Academic Press, 2012.

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Homeostasis and toxicology of non-essential metals. Amsterdam: Academic Press, 2012.

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1924-, Foulkes Ernest C., ed. Biological effects of heavy metals. Boca Raton, FL: CRC Press, 1990.

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Gupta, Dharmendra K., and Luisa M. Sandalio. Metal toxicity in plants: Perception, signaling and remediation. Heidelberg: Springer, 2012.

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M, Chapman Peter, ed. Assessing the hazard of metals and inorganic metal substances in aquatic and terrestrial systems: Proceedings for the Workshop on Hazard Identification Approach for Metals and Inorganic Metal Substances, 3-8 May 2003, Pensacola Beach, Florida, USA. Boca Raton: Taylor & Francis/SETAC, 2007.

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Book chapters on the topic "Metals – Toxicology"

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Goering, P. L., M. P. Waalkes, and C. D. Klaassen. "Toxicology of Cadmium." In Toxicology of Metals, 189–214. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79162-8_9.

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Saady, Joseph J. "Metals." In Principles of Forensic Toxicology, 569–81. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-42917-1_32.

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Pelletier, L., and P. Druet. "Immunotoxicology of Metals." In Toxicology of Metals, 77–92. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79162-8_4.

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Goyer, R. A. "Transplacental Transfer of Lead and Cadmium." In Toxicology of Metals, 1–17. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79162-8_1.

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O’Flaherty, E. J. "Chromium Toxicokinetics." In Toxicology of Metals, 215–28. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79162-8_10.

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Goering, P. L., and B. R. Fisher. "Metals and Stress Proteins." In Toxicology of Metals, 229–66. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79162-8_11.

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Lazo, J. S. "Metals and Anticancer Drug Resistance." In Toxicology of Metals, 267–78. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79162-8_12.

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Jones, M. M. "Chemistry of Chelation: Chelating Agent Antagonists for Toxic Metals." In Toxicology of Metals, 279–304. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79162-8_13.

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Templeton, D. M. "Therapeutic Use of Chelating Agents in Iron Overload." In Toxicology of Metals, 305–31. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79162-8_14.

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Zeng, J., and J. H. R. Kägi. "Zinc Fingers and Metallothionein in Gene Expression." In Toxicology of Metals, 333–47. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79162-8_15.

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Conference papers on the topic "Metals – Toxicology"

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Olanipekun, E. O., P. O. Tedela, F. O. Iyiola, O. E. Faniyi, and B. A. Falusi. "Accumulation of heavy metals inAzadiractha indicafrom Akungba-Akoko, Nigeria." In ENVIRONMENTAL TOXICOLOGY 2008. Southampton, UK: WIT Press, 2008. http://dx.doi.org/10.2495//etox080161.

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Rodríguez-Espinosa, P. F., D. Chazaro Mendoza, J. A. Montes de Oca, G. Sánchez Torres E., and A. Fierro Cabo A. "Study of metals in leached soils of a municipal dumpsite in Tampico, Tamaulipas, Mexico: preliminary results." In ENVIRONMENTAL TOXICOLOGY 2006. Southampton, UK: WIT Press, 2006. http://dx.doi.org/10.2495/etox060261.

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Broberg, Karin, and Roberto G. Lucchini. "1654 Genetics and epigenetics in toxicology of metals." In 32nd Triennial Congress of the International Commission on Occupational Health (ICOH), Dublin, Ireland, 29th April to 4th May 2018. BMJ Publishing Group Ltd, 2018. http://dx.doi.org/10.1136/oemed-2018-icohabstracts.1441.

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Lutsko, T. P., A. V. Osipova, and D. A. Skvortsov. "FEATURES OF CONCENTRATION OF SOME HEAVY METALS BY SORBENTS BASED ON VERMICULITE IN HYDROSPHERE OBJECTS." In "International Scientific and Practical Conference" THEORY AND PRACTICE OF VETERINARY PHARMACY, ECOLOGY AND TOXICOLOGY IN AIC ", dedicated to the centenary of the Department of Pharmacology and Toxicology, SPbSUVM. FSBEI HE St. Petersburg SUVM, 2021. http://dx.doi.org/10.52419/3006-2021-2-151-151.

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The problem of water quality occupies a crucial place in the system of nature protection and public health. Due to anthropogenic activities, heavy metals are one of the most common pollutants of natural waters. The natural mineral vermiculite has proven to be an effective absorber of trace amounts of heavy metals.
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Son, K. H., C. W. Ji, Y. M. Park, Y. Cui, H. Z. Wang, T. S. Chon, and E. Y. Cha. "Recurrent Self-Organizing Map implemented to detection of temporal line-movement patterns of Lumbriculus variegatus (Oligochaeta: Lumbriculidae) in response to the treatments of heavy metal." In ENVIRONMENTAL TOXICOLOGY 2006. Southampton, UK: WIT Press, 2006. http://dx.doi.org/10.2495/etox060091.

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Ramchandran, Vignesh, and Jeremy M. Gernand. "Examining Pulmonary Toxicity of Engineered Nanoparticles Using Clustering for Safe Exposure Limits." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-87431.

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Experimental toxicology studies for the purposes of setting occupational exposure limits for aerosols have drawbacks including excessive time and cost which could be overcome or limited by the development of computational approaches. A quantitative, analytical relationship between the characteristics of emerging nanomaterials and related toxicity is desired to better assist in the subsequent mitigation of toxicity by design. Quantitative structure activity relationships (QSAR’s) and meta-analyses are popular methods used to develop predictive toxicity models. A meta-analysis for investigation of the dose-response and recovery relationship in a variety of engineered nanoparticles was performed using a clustering-based approach. The primary objective of the clustering is to categorize groups of similarly behaving nanoparticles leading to the identification of any physicochemical differences between the various clusters and evaluate their contributions to toxicity. The studies are grouped together based on their similarity of their dose-response and recovery relationship, the algorithm utilizes hierarchical clustering to classify the different nanoparticles. The algorithm uses the Akaike information criterion (AIC) as the performance metric to ensure there is no overfitting in the clusters. The results from the clustering analysis of 2 types of engineered nanoparticles namely Carbon nanotubes (CNTs) and Metal oxide nanoparticles (MONPs) for 5 response variables revealed that there are at least 4 or more toxicologically distinct groups present among the nanoparticles on the basis of similarity of dose-response. Analysis of the attributes of the clusters reveals that they also differ on the basis of their length, diameter and impurity content. The analysis was further extended to derive no-observed-adverse-effect-levels (NOAEL’s) for the clusters. The NOAELs for the “Long and Thin” variety of CNTs were found to be the lowest, indicating that those CNTs showed the earliest signs of adverse effects.
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Reports on the topic "Metals – Toxicology"

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NTP Technical Report on the Toxicology Studies of Cobalt Metal (CASRN 7440-48-4) in F344/N Rats and B6C3F1/N Mice and Toxicology and Carcinogenesis Studies of Cobalt Metal in F344/NTac Rats and B6C3F1/N Mice (Inhalation Studies). NIEHS, December 2014. http://dx.doi.org/10.22427/ntp-tr-581.

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