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Academic literature on the topic 'Toxic trace metals'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Toxic trace metals"

Thinh, Nguyen Van, Ozaki Akinori, Xie Yiping, Nguyen Duc Anh, and Kurosawa Kiyoshi. "Contamination of Agricultural Soils by Toxic Trace Metals in an Industrial District in Vietnam." Journal of Geography, Environment and Earth Science International 10, no. 3 (2017): 1–9. https://doi.org/10.9734/JGEESI/2017/33235.

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The contamination of agricultural soils by the toxic trace metals arsenic (As), lead (Pb), cadmium (Cd), chromium (Cr), copper (Cu) and zinc (Zn) was investigated in an industrial district in Vietnam. In this district, irrigation agriculture is conducted via channels; additionally, there are two industrial parks on nearby agricultural land. The purpose of the study was to clarify the magnitude and spatial distribution the trace metal concentrations, the source of the trace metals, the difference was in concentration between the two industrial park areas, and the usability of the soils for agri

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Gambrell, R. P. "Trace and Toxic Metals in Wetlands-A Review." Journal of Environmental Quality 23, no. 5 (1994): 883–91. http://dx.doi.org/10.2134/jeq1994.00472425002300050005x.

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Stanley, PC, and VC Wakwe. "Toxic trace metals in the mentally ill patients." Nigerian Postgraduate Medical Journal 9, no. 4 (2002): 199. http://dx.doi.org/10.4103/1117-1936.171339.

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Murniasih, Sri, Sri Juari Santosa, and Roto Roto. "Identification of Toxic Heavy Metals and Trace Elements in Pesticides Used by Shallots (Allium Cepa Var. Aggregatum) Farmers in Brebes District, Indonesia." Key Engineering Materials 927 (July 29, 2022): 41–49. http://dx.doi.org/10.4028/p-ef3md9.

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This study aims to identify the toxic heavy metals and trace elements in pesticides which are suspected to be a source of environmental pollution. The Neutron Activation Analysis method was used to identify and determine the concentration of toxic heavy metals and trace elements in pesticide samples. The pesticides used in this study consist of pesticides that are widely used by onion farmers in Brebes District, Central Java – Indonesia. These pesticides consist of two types (fungicides and insecticides) and in two different forms (solid and liquid). The results indicates that pesticides conta

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Majolagbe, A. O., S. O. Anko, K. A. Yusuf, and A. A. Ayodele. "Evaluation of potentially toxic metals load and risk assessment in sediments from coastal areas of Lagos State." Global Journal of Earth and Environmental Science 8, no. 2 (2023): 14–23. http://dx.doi.org/10.31248/gjees2023.133.

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Trace metal pollution is of global concern due to its adverse effects on human health. Sediments in water bodies are a repository of pollutants, including trace metals, and since they are non-biodegradable, they have negative impact on the ecosystems. Trace metals are due to both anthropogenic and natural sources. Sediments are monitors of trace metal pollution. The study, therefore, aims at assessing the trace heavy metals (THM) in the surface sediments of coastal areas in Lagos State. Forty (40) sediments samples (top and sub-sediment soil) were collected from five coastal communities: Langb

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Idonije, O. Blessing*1 3. Festus O. Okojie2 &. Agbebaku O. Solomon3. "SOME SELECTED TRACE METALS (ESSENTIAL AND TOXIC) AND MACRO-METAL MG AS PROBABLE BIOMARKERS OF OBESITY-ASSOCIATED COMPLICATIONS." Indian Journal of Medical Research and Pharmaceutical Sciences 6, no. 8 (2019): 11–21. https://doi.org/10.5281/zenodo.3380453.

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Background: Trace metals and Mg metabolism may play a role in adiposity which contributes to inflammation and oxidative stress;   two potential mechanisms proposed to play a major role in the morbidity/mortality associated with obesity hence this study. Methods: We investigated trace metals-essential and toxic (Zn, Cu, Mn, Fe, Se, Cr, Pb, Cd and macro-metal Mg) in two hundred and sixty-four (264) subjects. They consist of group NONDH (60 non obese non diabetic/hypertensive or normal control); Group ONDH (45 Obese Non Diabetic/

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Khalid, N., S. Rahman, S. Ahmad, and S. Ali. "TRACE METALS DETERMINATION IN CHICKEN EGGS." Nucleus 44, no. 1-2 (2020): 39–44. https://doi.org/10.71330/nucleus.44.01-2.1030.

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To evaluate the adequacy for essential metals and to get an estimate of toxic metals variation in poultry farm and domestic chicken eggs, concentrations of those trace metals which are problematic with neutron activation analysis i. g., Cu, Fe, Mn, Zn, Pb and Cd were carried out using atomic absorption spectrophotometry. The samples were digested with HNO3 ï€ HClO4 mixture. Median concentrations of Cu, Fe, Mn and Zn in the yolk of poultry farm eggs were found to be 3.6, 101.2, 1.7 and 42.3 ïg g-1 respectively. As expected the concentrations of these elements were much lower in egg albumen.

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Sangiuliano, D., C. Rubio, A. J. Gutiérrez, et al. "Metal Concentrations in Samples of Frozen Cephalopods (Cuttlefish, Octopus, Squid, and Shortfin Squid): An Evaluation of Dietary Intake." Journal of Food Protection 80, no. 11 (2017): 1867–71. http://dx.doi.org/10.4315/0362-028x.jfp-17-184.

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ABSTRACT Cephalopods are an important source of nutrients and some of the most widely consumed marine foods. However, because of contamination of the oceans and the bioaccumulative nature of toxic metals, these foods may pose a health risk. For this reason, the concentrations of some trace elements (chromium [Cr], lithium, strontium [Sr], copper [Cu], and nickel) and toxic metals (aluminum [Al], cadmium, and lead) were determined in 65 frozen samples of cuttlefish, octopus, common squid, and shortfin squid by inductively coupled plasma optical emission spectrometry to evaluate dietary intake a

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Melcer, Henryk, Hugh Monteith, and Stephen G. Nutt. "Variability of Toxic Trace Contaminants in Municipal Sewage Treatment Plants." Water Science and Technology 20, no. 4-5 (1988): 275–84. http://dx.doi.org/10.2166/wst.1988.0177.

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The variability of toxic trace contaminants in influents and effluents at three full-scale municipal sewage treatment plants was measured by collecting grab samples of degritted raw wastewater and non-chlorinated secondary effluent at two hour intervals over eight consecutive days. The samples were analyzed for metals, conventional contaminants and a range of organic trace contaminants. The metals and volatile organic compounds were the dominant contaminants found in the influents. In the effluents, organic concentrations were close to detectable levels and polyaromatic hydrocarbons were almos

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Reeves, Michael W. "Effect of Trace Metals on the Synthesis of Toxic Shock Syndrome Toxin 1." Clinical Infectious Diseases 11, Supplement_1 (1989): S145—S150. http://dx.doi.org/10.1093/clinids/11.supplement_1.s145.

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Dissertations / Theses on the topic "Toxic trace metals"

Lloyd-Jones, Peter J. "Adsorption of trace toxic metals by Azolla filiculoides from aqueous solution." Thesis, Loughborough University, 2003. https://dspace.lboro.ac.uk/2134/7800.

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Azolla filiculoides has been evaluated for the adsorption of trace toxic metals from aqueous solution. The adsorption performance of the material was compared with commercial resins and fitted using the Langmuir and Freundlich models. The Freundlich model described the adsorption of copper and cadmium. Whilst the Langmuir isotherm had the better fit of the mercury data. The assumptions of the Freundlich model include multi-layer adsorption and different functional group binding. Conversely the Langmuir model suggests mono-layer adsorption and can infer single group reactivity. The pH effect on

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Trouillet-Richaud, Raphaelle. "Toxic emissions from the gasification and combustion of coal and biomass waste." Thesis, Imperial College London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313145.

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Al-Sheraideh, Mohammed Sharif. "Evaluation of the environmental impact of trace elements in the Zarqa River using chemometric analysis of inductively coupled plasma optical emission spectroscopy data (ICP-OES)." Thesis, University of Hull, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327172.

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Arifin, Zainal. "Selective feeding in bivalves, implications for the accumulation of toxic trace metals by the filter-feeding mussel, Mytilus trossulus." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0023/NQ51837.pdf.

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ARINE, DJAIR R. "Analise de aguas de superficie e sedimentos de rios da regiao de Ipero, SP, por espectrometria de absorcao atomica e por ativacao neutronica." reponame:Repositório Institucional do IPEN, 2000. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10831.

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Made available in DSpace on 2014-10-09T12:44:29Z (GMT). No. of bitstreams: 0 Made available in DSpace on 2014-10-09T13:56:55Z (GMT). No. of bitstreams: 1 07067.pdf: 10073605 bytes, checksum: ca8a78a55e7fe440b75a43fc8c0a1340 (MD5) Dissertacao (Mestrado) IPEN/D Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP

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Akinyemi, Segun Ajayi. "Geochemical and mineralogical evaluation of toxic contaminants mobility in weathered coal fly ash: as a case study, Tutuka dump site, South Africa." Thesis, University of the Western Cape, 2011. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_1226_1360593017.

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The management and disposal of huge volumes of coal combustion by products such as fly ash has constituted a major challenge to the environment. In most cases due to the inadequate alternative use of coal fly ash, the discarded waste is stored in holding ponds, slag heaps, or stock piled in ash dumps. This practice has raised concerns on the prospect of inorganic metals release to the surface and groundwater in the vicinity of the ash dump. Acceptable scientific studies are lacking to determine the best ash disposal practices. Moreover, knowledge about the mobility patterns of inorganic spe

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Xiangdong, Li. "The study of multielement associations in the soil-plant system in some old metalliferous mining areas, England." Thesis, Imperial College London, 1993. http://hdl.handle.net/10044/1/7803.

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Pinaeva, Uliana. "Functionalized track-etched PVDF membrane-electrodes for toxic metal determination in water." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLX048.

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Le greffage radio-induit de polymères fonctionnels, tels que le poly(acide acrylique) (PAA), la poly(4-vinyl pyridine) (P4VP) et le poly(bis[2-(methacryloyloxy)ethyl] phosphate (B2MP), dans la structure nanoporeuse de membranes en poly(fluorure de vinylidène) (PVDF) à traces attaquées est ici rapporté, l’objectif étant la pré-concentration sélective des ions Pb(II), Hg(II) et U(VI) en solution dans l’eau. Les membranes en PVDF à traces attaquées sont fabriquées par irradiation aux ions lourds rapides suivie par la révélation chimique des traces. Les membranes nanoporeuses en PVDF ainsi créées

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Tête, Nicolas. "Evaluation de l'exposition et des effets des éléments traces métalliques et du parasitisme chez la faune sauvage : contribution au développement d'une approche non létale." Thesis, Besançon, 2014. http://www.theses.fr/2014BESA2010/document.

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En intégrant cette étude dans un contexte d'écologie du stress, l'objectif général de cette thèse est d'une part d'évaluer l'exposition et les effets des éléments traces métalliques (ETMs)et du parasitisme chez le mulot sylvestre (apodemus sylvaticus) et d'autre part de contribuer au développement de marqueurs d'exposition et d'effets toxiques non létaux. Au cours de trois sessions de capture, des individus ont été collectés dur 30 sites localisés autour de l'ancienne fonderie de Metaleurop (Nord-Pas-de-Calais) les concentrations en Cd et Pb ont été mesurées dans les organes cibles (foie et re

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Bhalotra, Anju. "Analytical application of some thiazolylazo compounds for trace determination of toxic metals in complex samples." Thesis, 2000. http://localhost:8080/iit/handle/2074/3579.

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Books on the topic "Toxic trace metals"

1953-, Ross Sheila, ed. Toxic metals in soil-plant systems. Wiley, 1994.

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O, Nriagu Jerome, and Davidson Cliff I, eds. Toxic metals in the atmosphere. Wiley, 1986.

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Sweet, Clyde W. Toxic trace elements in urban air in Illinois. The Center, 1990.

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Valette-Silver, Nathalie J. Behavior of toxic metals during contact of synthetic coal leachates with Maryland coastal plain soil. Maryland Dept. of Natural Resources, 1995.

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Wright, David A. Trace metal and toxic organic concentrations in striped bass and white perch larvae, freshwater clams, and surficial sediments from northern Chesapeake Bay tributaries: A report to Maryland Department of Natural Resources, Tidewater Administration. University of Maryland, Center for Environmental & Estuarine Studies, Chesapeake Biological Laboratory, 1987.

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Cooper, Kory. Arctic Archaeometallurgy. Edited by Max Friesen and Owen Mason. Oxford University Press, 2016. http://dx.doi.org/10.1093/oxfordhb/9780199766956.013.13.

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By at least the first century A.D., metals were being integrated into the technologies of indigenous cultures across Arctic and Subarctic North America. In addition to naturally occurring pure forms of copper and iron in the region, Old World metals were also available via trade across Bering Strait to the west and with Norse in the east. The importance of metals, both before and after contact with Europeans, has been recognized by scholars since the early days of Arctic exploration, but despite long-term interest in the topic there is still much to be learned about metallurgical innovation in

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Abdullahi, Fatima Sulaiman. Effects of Storage Periods on Proximate Composition, Trace, Toxic Heavy Metal Contents of Sallah Meat. BAYSHOP (Generis Publishing), 2022.

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Maxwell, Tracy Jayne. The determination of trace concentrations of toxic metal ions in the presence of selected chelating reagents by stripping voltammetry. 1996.

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Little, Peter C. Burning Matters. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780190934545.001.0001.

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This book explores the complex cultural, economic, and environmental health politics of electronic waste (e-waste) in Ghana. Global trade in e-waste has led to various global e-waste management challenges, and many regions of the Global South, like Ghana, have suffered the consequences. Based on ethnographic research, the book exposes the lived experience of Ghana’s e-waste workers as they navigate the health, social, and economic challenges of e-waste labor, especially e-waste workers burning electrical wires to extract copper, a valuable and ubiquitous tech metal. With a particular focus on

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Whitmore, John K. Kingship, Time, and Space: Historiography in Southeast Asia. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780199236428.003.0006.

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This chapter demonstrates how the topic of Southeast Asian historiography divides itself into three fairly distinct categories that progress through this period. First, there was the epigraphy, — materials carved mainly into stone (but also metal). These were the main surviving forms of writing for almost all the classical polities that emerged in the region from the seventh century on. The second category consisted of writings on paper (or other materials like palm leaves) from the royal courts of two specific regions, eastern Java and northern Vietnam, during the eleventh through the fourtee

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Book chapters on the topic "Toxic trace metals"

Bhattacharyya, Maryka H., Elizabeth Jeffery, and Ellen K. Silbergeld. "Bone Metabolism: Effects of Essential and Toxic Trace Metals." In Toxicology of Metals, Volume I. CRC Press, 2023. http://dx.doi.org/10.1201/9781003418917-83.

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Stoeppler, Markus. "Analytical Methods and Quality Control for Trace Metal Determinations: A Critical Review of the State of the Art." In Biological Monitoring of Toxic Metals. Springer US, 1988. http://dx.doi.org/10.1007/978-1-4613-0961-1_23.

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Gerbish, S., G. Ganchimeg, J. Bayarmaa, B. Dalkhsuren, and G. Ganbold. "Determination of Radionuclides, Toxic Heavy Metals and Trace Elements in Environmental Samples." In Radionuclides and Heavy Metals in Environment. Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0993-5_38.

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Gedik, Kenan, R. D. DeLaune, M. Kongchum, and R. P. Gambrell. "Physicochemical Factors Controlling Stability of Toxic Heavy Metals and Metalloids in Wetland Soils and Sediments." In Trace Elements in Waterlogged Soils and Sediments. CRC Press, 2016. http://dx.doi.org/10.1201/9781315372952-3.

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Toro, E. Cortes, H. A. Das, J. J. Fardy, et al. "Toxic Heavy Metals and Other Trace Elements in Foodstuffs from 12 Different Countries." In Nuclear Analytical Methods in the Life Sciences 1994. Humana Press, 1994. http://dx.doi.org/10.1007/978-1-4757-6025-5_50.

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Thomas, David J., and J. Julian Chisolm. "Toxic and Essential Metal Loss during Chelation Therapy of Lead-Poisoned Children." In Trace Elements in Man and Animals 6. Springer US, 1988. http://dx.doi.org/10.1007/978-1-4613-0723-5_23.

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Tsay, Olga G., Kibong Kim, and David G. Churchill. "Metal ion roles and responses in the CNS under toxic organophosphonate exposure: traces of understanding and various open questions." In Metal Ions in Neurological Systems. Springer Vienna, 2012. http://dx.doi.org/10.1007/978-3-7091-1001-0_14.

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Yalçın Tepe, A. "Toxic Metals: Trace Metals – Chromium, Nickel, Copper, and Aluminum." In Encyclopedia of Food Safety. Elsevier, 2014. http://dx.doi.org/10.1016/b978-0-12-378612-8.00205-5.

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"Trace Metals and Organisms: Essential and Toxic Metals, Organometallics, Microbial Processes, and Metal Bioaccumulation." In Trace Metals in Aquatic Systems. John Wiley & Sons, Ltd, 2013. http://dx.doi.org/10.1002/9781118274576.ch8.

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Meo, Sultan Ayoub. "Toxic trace elements: heavy metals and hypertension." In Environmental Pollution and Cardiovascular Diseases. Elsevier, 2025. https://doi.org/10.1016/b978-0-443-26769-7.00004-2.

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Conference papers on the topic "Toxic trace metals"

ГОЛОЛОБОВА А, Г. "THE TERM “HEAVY METALS”: HISTORY AND CURRENT DEBATES." In ГЕОЛОГИЯ И МИНЕРАЛЬНО-СЫРЬЕВЫЕ РЕСУРСЫ СЕВЕРО-ВОСТОКА РОССИИ 2024. Crossref, 2024. http://dx.doi.org/10.53954/9785604990100_441.

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This article is devoted to the analysis of existing terms “heavy metals”. Here, we followed the evolution in the number of published papers including this term in their title. Other alternative concepts have been proposed by different authors that could replace it in the scientific literature with terms such as "metal", "metalloid", "trace metal elements" or "potentially toxic element".

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Morin, Guillaume, Pierre Lefebvre, Elora Bourbon, et al. "MINERALOGICAL AND SPECTROSCOPIC INVESTIGATIONS OF SOILS AND SEDIMENTS: FROM TOXIC TRACE METALS TO FREE RADICALS." In GSA Connects 2023 Meeting in Pittsburgh, Pennsylvania. Geological Society of America, 2023. http://dx.doi.org/10.1130/abs/2023am-389897.

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Milojkov, Dušan, Vukosava Živković-Radovanović, Biljana Dojčinović, et al. "Hair trace elements analysis: A biomonitoring tool for the environmental exposures and health risks." In Proceedings - 55th International October Conference on Mining and Metallurgy, Kladovo, 15-17 October 2024. Mining and Metallurgy Institute, Bor, 2024. https://doi.org/10.5937/ioc24373m.

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Human hair serves as a unique biomonitoring tool due to its ability to accumulate the trace elements over time, reflecting the environmental exposures and dietary intake. This study employed the Inductively Coupled Plasma Mass Spectrometry (ICP-MS) to analyze the elemental composition of human hair samples of different colors-red, black, blonde and gray. The results revealed varying levels of essential and toxic elements across different hair types, indicating the potential exposures to the environmental pollutants. Notably, red and blonde hair exhibited higher concentrations of Cu, Fe, and Pb

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Popova, Inna, Igor Palamarchuk, Marija Zheplinska, Mikhailo Mushtruk, and Volodymyr Vasyliv. "Non-destructive analysis of the content of mineral components of chicory to increase its environmental safety." In VI International Conference on European Dimensions of Sustainablе Development. National University of Food Technologies, 2024. https://doi.org/10.24263/edsd-2024-6-11.

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The content of heavy metals both in plants and in soils for growing agricultural crops steadily changes the state of ecological safety of the corresponding biocenosis. An increased amount of trace elements and compounds of heavy metals causes metabolic disorders in plant tissues. As a result, there is an accumulation of toxic elements in the crops, which disrupts the biocenosis in the system for both farm animals and humans. Therefore, the contamination of plant raw materials, in particular chicory, for the food industry with ions of heavy and toxic metals is a significant environmental proble

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Božović, Jelena D., Zoran D. Miletić, Ilija Đ. Đorđević, and Dragana Z. Živojinović. "Chemometric approach to the investigation of microelements and potentially toxic elements in the soil." In 2nd International Conference on Chemo and Bioinformatics. Institute for Information Technologies, University of Kragujevac, 2023. http://dx.doi.org/10.46793/iccbi23.241b.

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The goal of this investigation was to assess the presence, content and limit concentrations of macro, trace elements, and potentially toxic elements in the soil. The research was carried out in Kopaonik, Crni vrh, and Mokra Gora during the period 2020-2022 on different depths. Samples were prepared by microwave digestion with a mixture of mineral acids. The concentration of extracted elements was measured by Inductively Coupled Plasma Optical Emission spectroscopy (ICP-OES). The method of sample preparation is very important for the successful determination of elements because it is a very com

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Punanova, Svetlana. "POTENTIALLY TOXIC CHEMICAL ELEMENTS OF SHALE PLAYS – ECOLOGICAL THREAT TO THE ENVIRONMENT." In GEOLINKS International Conference. SAIMA Consult Ltd, 2020. http://dx.doi.org/10.32008/geolinks2020/b1/v2/18.

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This research considered the content of trace elements (TE), including potentially toxic elements (PTE) in shale plays and deposits in various regions of the world. Their comparative analysis was carried out and the highest concentrations of PTE in the shales of some regions were revealed. The author notes that the destruction of organometallic compounds occurs during the development of shale hydrocarbon (HC) using horizontal drilling with hydraulic fracturing – injecting large volumes of chemicals while increasing the temperature. During such destruction processes, PTE can escape into the env

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Grujović, Mirjana, Katarina Mladenović, Zoran Simić, and Simona Đuretanović. "CONSUMPTION OF RAW WATER – THE HEALTH RISKS RELATED TO THE PRESENCE OF HEAVY METALS AND „ESCHERICHIA COLI“." In 1st INTERNATIONAL Conference on Chemo and BioInformatics. Institute for Information Technologies, University of Kragujevac,, 2021. http://dx.doi.org/10.46793/iccbi21.210g.

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This research aimed to investigate the quality of drinking water from the rural area of village Pajsijević (Šumadija, central Serbia). The water is consumed as raw since it is not purified or chlorinated before consumption. The water was collected at three sampling points – in the spring of Kotlenik Mountain stream (W1 sample), in the local reservoir (W2 sample), and from the tap (W3 sample). Also, the sediment samples (soil and sand) were analyzed, too. The health risks related to the presence and concentration of some major and trace elements (Ca, Cr, Cu, Fe, Mg, Mn, Ni, Zn) and N, NO, NN3,

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Siripornadulsil, Surasak, and Wilailak Siripornadulsil. "Characterization of Cadmium-Resistant Bacteria and Their Application for Cadmium Bioremediation." In ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2009. http://dx.doi.org/10.1115/icem2009-16072.

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On a global basis, trace-metal pollution is one of the most pervasive environmental problems. It is particularly difficult to prevent or clean up because the metals are toxic in their elemental form and cannot be decomposed. Bioremediation has been shown to be a powerful system for heavy metal pollution clean up and prevention. In this work, we characterized the cadmium (Cd)-resistant bacteria isolated from rice field soil downstream from zinc (Zn) mineralized area which the owners were contaminated at high level of cadmium content in their blood (&gt;10 μgCd/g creatinine). We found that a

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Punanova, Svetlana. "ORE CONCENTRATIONS OF METALS IN NAPHTHIDES OF HYPERGENESIS ZONE: ASSESSMENT AND ENVIRONMENTAL ASPECT." In GEOLINKS International Conference. SAIMA Consult Ltd, 2020. http://dx.doi.org/10.32008/geolinks2020/b1/v2/17.

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The study examines the formation of secondary-altered crude oils associated with the processes of modern or ancient hypergenesis. As a result of geological processes during intense upward movement of the earth's crust, oil undergoes physical weathering, inorganic oxidation, washing out with water, biodegradation and sulfurization, and turn into heavy oils and hard bitumen. In zones of hypergenesis, the loss of light fractions occurs and the absolute concentration of trace elements (TE) associated with resinous-asphaltene components, such as V, Ni, Co, Mo, Cr, Cu, etc. sharply increases. In add

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Pinzani, M. Caterina Camerani, Britt-Marie Steenari, and Oliver Lindqvist. "Direct Determination of Cadmium Speciation in MSW and Biomass Single Fly Ash Particles Using SR Based µ-XR Spectroscopy Techniques." In 17th International Conference on Fluidized Bed Combustion. ASMEDC, 2003. http://dx.doi.org/10.1115/fbc2003-021.

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Cadmium is a toxic metal causing environmental concern in connection with utilization and land filling of ash. Knowledge about the chemical associations of Cd in ash is fundamental in the understanding of its solubility and leachability from the ash. In the work presented here, the content, distribution and chemical forms of Cd on/in individual Municipal Solid Waste (MSW) and biomass fly ash particles have been investigated in situ by Synchrotron Radiation induced μ-X-ray fluorescence, absorption spectrometry (XAS) and fluorescence tomography. These X-ray micro-beam techniques can be used to r

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Reports on the topic "Toxic trace metals"

Yermiyahu, Uri, Thomas Kinraide, and Uri Mingelgrin. Role of Binding to the Root Surface and Electrostatic Attraction in the Uptake of Heavy Metal by Plants. United States Department of Agriculture, 2000. http://dx.doi.org/10.32747/2000.7586482.bard.

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The principal accomplishment of the research supported by BARD was progress toward a comprehensive view of cell-surface electrical effects (both in cell walls [CWs] and at plasma membrane [PM] surfaces) upon ion uptake, intoxication, and amelioration. The research confirmed that electrostatic models (e.g., Gouy-Chapman-Stern [G-C-S]), with parameter values contributed by us, successfully predict ion behavior at cell surfaces. Specific research objectives 1. To characterize the sorption of selected heavy metals (Cu, Zn, Pb, Cd) to the root PM in the presence of other cations and organic ligands

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Lin, Hongwei, Yanjun Gao, Kang Sun, and Faguang Jin. Association between PM2.5 pollution and outpatient visits for respiratory diseases in China: a systematic review and meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2022. http://dx.doi.org/10.37766/inplasy2022.5.0144.

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Review question / Objective: Previous epidemiological studies on the association between PM2.5 pollution and outpatient visits for respiratory diseases in China were mostly limited to one region， and the different papers have no coherent results. Our objective is to perform a systematic review and meta-analysis of the relevant literature in order to summarize the association between PM2.5 pollution and outpatient visits for respiratory diseases in multiple cities in China. Condition being studied: As an important component of air pollutants, particulate matter 2.5 (PM2.5) can float in the atmo

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