Relevant bibliographies by topics / Bioaccumulation of heavy metals

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Academic literature on the topic 'Bioaccumulation of heavy metals'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Bioaccumulation of heavy metals"

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Ahmed, Abu Tweb Abu, Suman Mandal, Didarul Alam Chowdhury, Abu Rayhan M. Tareq, and M. Mizanur Rahman. "Bioaccumulation of Some Heavy Metals in Ayre Fish (Sperata Aor Hamilton, 1822), Sediment and Water of Dhaleshwari River in Dry Season." Bangladesh Journal of Zoology 40, no. 1 (December 10, 2012): 147–53. http://dx.doi.org/10.3329/bjz.v40i1.12904.

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The present study was carried out to determine the level of bioaccumulation of some heavy metals in a freshwater fish Ayre (Sperata aor Hamilton, 1822) collected from Rajfulbaria (23°48?56.36? N and 90°14?54.04? E) of Dhaleshwari river. Four heavy metals, namely chromium (Cr), copper (Cu), lead (Pb), and cadmium (Cd) were selected for this study. Metal concentrations were determined by Flame Atomic Absorption Spectrophotometer after nitric acid digestion of samples. The concentrations of accumulated heavy metals in fish were also compared with the concentrations of metals in the sediments and waters of that river. The level of bioaccumulations in different organs of S. aor were determined separately and compared among them. Average bioaccumulation levels in S. aor were Cr: 1.458 mg/kg, Cu: 31.500 mg/kg, Pb: 18.776 mg/kg and Cd: 0.487 mg/kg of dry weight. The levels of heavy metals in sediments were Cr: 27.393 mg/kg, Cu: 37.450 mg/kg, Pb: 15.797 mg/kg and Cd: 2.083 mg/kg, and in water were Cr: 0.130 ppm, Cu: 0.000 ppm, Pb: 0.201 ppm and Cd: 0.001 ppm.The bioaccumulation of these four heavy metals in fish organs, sediment and water samples were also compared with FAO approved standard levels and other related studies, and found that the levels of bioaccumulation in the Dhaleshwari river exceeded all the standard levels. DOI: http://dx.doi.org/10.3329/bjz.v40i1.12904 Bangladesh J. Zool. 40(1):147-153, 2012
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Noegrohati, Sri. "BIOACCUMULATION DYNAMICS OF HEAVY METALS IN Oreochromis nilotycus: PREDICTED THROUGH A BIOACCUMULATION MODEL CONSTRUCTED BASED ON BIOTIC LIGAND MODEL (BLM)." Indonesian Journal of Chemistry 6, no. 1 (June 13, 2010): 61–69. http://dx.doi.org/10.22146/ijc.21775.

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In estuarine ecosystem, sediments are not only functioning as heavy metal scavenger, but also as one of potential sources for heavy metals to the ecosystem. Due the capability of aquatic organisms to accumulate heavy metals, there is possibility of heavy metals to exert their toxic effect towards the organisms and other organisms positioned in higher trophic level, such as fish, and further to human beings. To understand the different processes of heavy metal bioaccumulation in a dynamic manner, a bioaccumulation model is required. Since bioaccumulation starts with the uptake of chemical across a biological membrane, the bioaccumulation model was constructed based on Biotic Ligand Model (BLM). The input for the model was determined from laboratory scale simulated estuarine ecosystem of sediment-brackish water (seawater:Aquaâ 1:1) for determining the heavy metal fractions in sediments; simulated Oreochromis nilotycus - brackish water (fish-water) ecosystem for determining the rate constants; simulated fish-water-sediment ecosystem for evaluating the closeness between model-predicted and measured concentration, routes and distribution within specific internal organs. From these bioaccumulation studies, it was confirmed that the internalization of metals into the cells of gills and internal epithelias follows similar mechanisms, and governed mostly by the waterborne or hydrophilic heavy metals. The level of hydrophilic heavy metals are determined by desorption equilibrium coefficients, 1/KD, and influenced by salinity. Physiologically, the essential Cu and Zn body burden in O. nilotycus are tightly homeostasis regulated, shown as decreasing uptake efficiency factor, EW, at higher exposure concentrations, while non essential Cd and Hg were less or not regulated. From the distribution within specific internal organs, it was revealed that carcass was more relevant in describing the bioaccumulation condition than liver. It is clear that every heavy metal has its own bioaccumulation dynamics, depend to the metal studied and environmental conditions, however the obtained parameters are applicable to bioaccumulation of Cd and Hg in natural estuarine ecosystem of Segara Anakan, Central Java. Keywords: heavy metal, estuarine, bioaccumulation, model, dynamics
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Redondo-Gómez, Susana. "Bioaccumulation of heavy metals in Spartina." Functional Plant Biology 40, no. 9 (2013): 913. http://dx.doi.org/10.1071/fp12271.

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The Spartina Schreb. genus is composed of C4 perennial grasses in the family Poaceae. They are native to the coasts of the Atlantic Ocean in western and southern Europe, north-west and southern Africa, the Americas and the southern Atlantic Ocean islands. Most species are salt tolerant and colonise coastal or inland saltmarshes. The available literature on heavy metal bioaccumulation by Spartina sp. was compiled and compared. Spartina alterniflora Loisel. and Spartina maritima (Curtis) Fernald were the most commonly researched species of the genus, whereas many species were not represented at all. In contrast, Cu and Zn are the most intensively researched heavy metals. The few studies dealing with the physiological impacts of heavy metals or the mechanisms of metal accumulation, which involve extracellular and intracellular metal chelation, precipitation, compartmentalisation and translocation in the vascular system, were documented. Bioaccumulation of metals in roots and tillers of some species of the Spartina genus (e.g. S. maritima and Spartina densiflora Brongn.) has been described as a feasible method for remediating waters and soils contaminated with heavy metals. One such example is Spartina argentinensis Parodi, which has been found to be a Cr-hyperaccumulator; it can concentrate chromium in its tissues to levels far exceeding those present in the soil.
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Wnorowski, Aleksandra U. "Selection of Bacterial and Fungal Strains for Bioaccumulation of Heavy Metals from Aqueous Solutions." Water Science and Technology 23, no. 1-3 (January 1, 1991): 309–18. http://dx.doi.org/10.2166/wst.1991.0429.

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Eighty strains of fungi and heterotrophic bacteria, isolated from natural water sources polluted with heavy metals, were tested for their bioaccumulation abilities. Metal-resistant strains were first selected in a preliminary step. Preselected cultures were then screened for gold, silver, nickel and cadmium uptake capabilities. A collection of bioaccumulating strains, consisting of 39 strains for the recovery of gold, 9 strains for silver, 28 for cadmium and 22 for nickel, has been established. All the strains selected were able to remove metals tested from diluted solutions (ca. 5 mg/l) to levels below 0.5 mg/l. The maximum uptake capacity of strains was determined in concentrated metal solutions (20 - 50 mg/l). Nine of the strains had saturation values of 100 mg/g dry weight or higher. The importance of pH in passive bioaccumulation process is discussed.
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Bae, Weon, Rajesh K. Mehra, Ashok Mulchandani, and Wilfred Chen. "Genetic Engineering of Escherichia coli for Enhanced Uptake and Bioaccumulation of Mercury." Applied and Environmental Microbiology 67, no. 11 (November 1, 2001): 5335–38. http://dx.doi.org/10.1128/aem.67.11.5335-5338.2001.

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ABSTRACT Synthetic phytochelatins (ECs) are a new class of metal-binding peptides with a repetitive metal-binding motif, (Glu-Cys) n Gly, which were shown to bind heavy metals more effectively than metallothioneins. However, the limited uptake across the cell membrane is often the rate-limiting factor for the intracellular bioaccumulation of heavy metals by genetically engineered organisms expressing these metal-binding peptides. In this paper, two potential solutions were investigated to overcome this uptake limitation either by coexpressing an Hg2+ transport system with (Glu-Cys)20Gly (EC20) or by directly expressing EC20 on the cell surface. Both approaches were equally effective in increasing the bioaccumulation of Hg2+. Since the available transport systems are presently limited to only a few heavy metals, our results suggest that bioaccumulation by bacterial sorbents with surface-expressed metal-binding peptides may be useful as a universal strategy for the cleanup of heavy metal contamination.
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Antonious, George F., John C. Snyder, Terry Berke, and Robert L. Jarret. "ScreeningCapsicum chinensefruits for heavy metals bioaccumulation." Journal of Environmental Science and Health, Part B 45, no. 6 (July 27, 2010): 562–71. http://dx.doi.org/10.1080/03601234.2010.493495.

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Tsekova, K., A. Kaimaktchiev, and A. Tzekova. "Bioaccumulation of Heavy Metals by Microorganisms." Biotechnology & Biotechnological Equipment 12, no. 2 (January 1998): 94–96. http://dx.doi.org/10.1080/13102818.1998.10818998.

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Ali, Hazrat, Ezzat Khan, and Ikram Ilahi. "Environmental Chemistry and Ecotoxicology of Hazardous Heavy Metals: Environmental Persistence, Toxicity, and Bioaccumulation." Journal of Chemistry 2019 (March 5, 2019): 1–14. http://dx.doi.org/10.1155/2019/6730305.

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Heavy metals are well-known environmental pollutants due to their toxicity, persistence in the environment, and bioaccumulative nature. Their natural sources include weathering of metal-bearing rocks and volcanic eruptions, while anthropogenic sources include mining and various industrial and agricultural activities. Mining and industrial processing for extraction of mineral resources and their subsequent applications for industrial, agricultural, and economic development has led to an increase in the mobilization of these elements in the environment and disturbance of their biogeochemical cycles. Contamination of aquatic and terrestrial ecosystems with toxic heavy metals is an environmental problem of public health concern. Being persistent pollutants, heavy metals accumulate in the environment and consequently contaminate the food chains. Accumulation of potentially toxic heavy metals in biota causes a potential health threat to their consumers including humans. This article comprehensively reviews the different aspects of heavy metals as hazardous materials with special focus on their environmental persistence, toxicity for living organisms, and bioaccumulative potential. The bioaccumulation of these elements and its implications for human health are discussed with a special coverage on fish, rice, and tobacco. The article will serve as a valuable educational resource for both undergraduate and graduate students and for researchers in environmental sciences. Environmentally relevant most hazardous heavy metals and metalloids include Cr, Ni, Cu, Zn, Cd, Pb, Hg, and As. The trophic transfer of these elements in aquatic and terrestrial food chains/webs has important implications for wildlife and human health. It is very important to assess and monitor the concentrations of potentially toxic heavy metals and metalloids in different environmental segments and in the resident biota. A comprehensive study of the environmental chemistry and ecotoxicology of hazardous heavy metals and metalloids shows that steps should be taken to minimize the impact of these elements on human health and the environment.
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Łukowski, Adam, Józefa Wiater, and Anna Dymko. "BIOACCUMULATION OF HEAVY METALS IN FORAGE GRASSES." Inżynieria Ekologiczna 18, no. 1 (February 1, 2017): 149–58. http://dx.doi.org/10.12912/23920629/66999.

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�IRIC, Ivan, Ivica KOS, Ante KASAP, Fran PETKOVIC, and Valentino DR�AIC. "Heavy metals bioaccumulation by edible saprophytic mushrooms." Journal of Central European Agriculture 17, no. 3 (2016): 884–900. http://dx.doi.org/10.5513/jcea01/17.3.1787.

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Dissertations / Theses on the topic "Bioaccumulation of heavy metals"

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Kogoui, Kamta Frederic Noel. "Bioaccumulation and mixture toxicity of aluminium and manganese in experimentally exposed woodlice, Porcellio scaber (Crustacea, Isopoda)." Thesis, Cape Peninsula University of Technology, 2018. http://hdl.handle.net/20.500.11838/2677.

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Thesis (MTech (Environmental Health))--Cape Peninsula University of Technology, 2018.
Soil ecosystems in urban, rural and agricultural environments receive chemical input from diverse sources of contamination, such as wastewater, industrial discharge, agricultural and urban runoff, fertilizers, vehicle leakages, landfill seepage, and animal waste overspill. Agricultural activities, transportation and industrial activities are suspected to be the highest sources of metal contamination in Cape Town. Although scientists generally have a good understanding of the toxicity of individual chemical pollutants, there is a great need to bridge the gap between our understanding of the toxic effects of exposure to individual contaminants and those effects from exposure to mixtures of chemicals. Woodlice and other soil detritivores have a particularly important ecosystem function in mineralising organic matter. Woodlice experience stress when exposed to toxic levels of metals in the diet, which can reduce feeding rates and may combine with natural stresses to reduce fitness and lower 'performance', thereby possibly resulting in these organisms being unable to completely fulfil their ecological function. The objectives of this study were: to compare how aluminium and manganese are bioaccumulated in Porcellio scaber in terms of the contribution of the hepatopancreas in metal storage compared to the rest of the body; and to determine whether mixtures of aluminium and manganese affect each other’s bioaccumulation and distribution in Porcellio scaber. Woodlice collected from a clean field site (Kirstenbosch Botanical Garden) were experimentally exposed in the laboratory to a range of environmentally relevant aluminium and manganese concentrations. The woodlice were exposed to these metals in single and mixed metal experiments. Oak leaves, collected from a clean site, were contaminated with aluminium and manganese. Therefore, the woodlice were exposed via their food source. A control experiment, where oak leaves were not contaminated, was also prepared. At week 0 and after five weeks of exposure, a sample of the woodlice (5 per exposure group) were dissected to remove the hepatopancreas. Hepatopancreas and rest of the body samples were acid digested and analysed for the metals by means of the ICP-MS. Contrary to the existing knowledge of metals accumulating in the hepatopancreas of woodlice when ingested, this study showed a higher bioaccumulation of aluminium in the rest of the body of woodlice after 5 weeks of exposure than in the hepatopancreas. This result was interpreted as a possible detoxification mechanism by woodlice through the use of the exoskeleton during the moult cycle. A similar result was found when woodlice were exposed to mixtures of aluminium and manganese. This translated to the fact that woodlice were unable to effectively deal with the toxicity caused by the mixture of aluminium and manganese. In the group of woodlice exposed to manganese alone, it was found that manganese concentrations in the rest of the body of woodlice exposed for 5 weeks were statistically higher than the manganese concentrations in the rest of the body of woodlice at the start of the exposure (week 0). However, in the hepatopancreas, there were no statistical differences between the manganese concentrations in week 0 woodlice and the manganese concentrations in week 5 woodlice. Furthermore, manganese concentrations in the rest of the body of week 5 woodlice were statistically higher than manganese concentrations in the hepatopancreas of week 5 woodlice. This was interpreted as further proof that woodlice would accumulate certain metals (aluminium and manganese in this case) in their exoskeleton so that elimination can follow during the moult cycle.
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Erickson, Lucas Erickson. "ACCUMULATION OF ENVIRONMENTAL AND DIETARY HEAVY METALS BY THEWOLF SPIDER PARDOSA MILVINA (ARANEAE, LYCOSIDAE)." Miami University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=miami1541540077052724.

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Stoll, Anita. "Bioaccumulation of heavy metals by the yeast S. cerevisiae and the bioremediation of industrial waste water." Thesis, Rhodes University, 1997. http://hdl.handle.net/10962/d1004075.

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Water is an essential element in all aspects of life and is vital for both domestic and industrial purposes regarding both the quality and quantity thereof. Similar to many other drought stricken countries, South Africa requires water for the socio-economic growth of the country, yet is faced with the problem of maintaining the quality of its drinking water as well as protecting the dwindling supplies. In an attempt to prevent the deterioration of South African water supplies the treatment, purification and recycling of industrial and mining waste water has recently become of prime importance. Many industrial and mining waste waters contain heavy metals in toxic quantities. The conventional processes that have been used till recently to address this problem, are often expensive or contain chemical agents which compound the environmental problem. As an alternative biological methods of metal accumulation appear to offer an economic and efficient alternative to these methods. An advantage to the South African scenario is the commercial production of the yeast, S. cerevisiae as a readily inexpensive by-product from some fermentation industries, Yeast cells, and in particular S. cerevisiae have proven to be capable of accumulating heavy metals, and therefore exhibit potential application in the bioremediation of waste water. The aim of this project was twofold. The initial part of this work attempted to define the mechanisms of metal accumulation by the yeast cells and cellular components. The information obtained from these initial studies provided a data base required for the development of a bioremediation system. Initial contact with the metal ions occurs at the wall interface of the yeast cell. Metal accumulation appears to be a function of all the cell wall components. The isolated cell wall components are better metal chelators then the intact cell walls. An apparent affinity series of mannan > chitin> glucan > intact cell walls exists. However, these components differ in their affinities for metal ions. Storage of metal ions within the cell occurs predominantly in the vacuole. The present study concluded that metal accumulation by the vacuole could be related to size. Metal accumulation occurred in the order of Cu2+ > Co2+ > Cd2+ with a corresponding decrease in atomic radii of Cd2+ > C02+ > Cu2+. Vacuolar ion deposition occurs at an early stage during the internalization of metal ions within the yeast cells. At the onset of vacuolar saturation, depositions of metal ions as granules within the cytosol occurs. In the presence of heavy metal cations viable yeast cells can be shown to exhibit two types of cellular responses. Uptake of Cu2+ and Cd2+ causes the loss of intracellular physiological cations from within the yeast cell. In comparison, uptake of Co2+ into the cell does not have this effect. All three heavy metal cations initiate plasma cell membrane permeability, thus the Cu2+ and Cd2+ induced loss of the intracellular cations, occurs. ~ a result of ion-exchange mechanisms and not due to cation leakage brought about by membrane permeabilization. Uptake of heavy metals by viable yeasts appears to be generally non-selective though the amount of metals accumulated are largely affected by the ratio of ambient metal concentration to biomass quantity. In addition, the energy dependent nature of internalization necessitates the availability of an external energy source for metal uptake by viable yeast cells. For these reasons metal removal from industrial waste water was investigated using non-viable biomass. By immobilizing the yeast cells additional mechanical integrity and stability was conferred apon the biomass. The three types of biomass preparations developed in this study, viz. polyvinyl alcohol (PV A) Na-alginate, PV A Na-orthophosphate and alkali treated polyethylenimine (PEI):glutaraldehyde (GA) biomass pellets, all fulfilled the necessary physical requirements. However, the superior metal accumulating properties of the PEI:GA biomass determined its selection as a biosorbent for bioremediation purposes. Biosorption of heavy metals by PEI:GA biomass is of a competitive nature, with the amount of metal accumulated influenced by the availability of the metal ions. This availability is largely determined by the solution pH. At low pH values the affinity of the biomass for metals decreases, whilst enhanced metal biosorption occurs at higher pHs, ego pH 4.5 - 6.0. PEI:GA biomass pellets can be implemented -as a biosorbent for the bi9remediaiton of high concentration, low-volume metal containing industrial waste. Several options regarding the bioremediation system are available. Depending on the concentration of the metals in the effluent, the bioremediation process can either be used independently or as part of a biphasic remediation system for the treatment of waste water. Initial phase chemical modification may be required, whilst two types of biological systems can be implemented as 'part of the second phase. The PEI:GA biomass can either be contained within continuous-flow fixed bed tanks or continuous-flow stirred bioreactor tanks. Due to the simplicity of the process and the ease with which scale-up is facilitated, the second type of system shows greater application potential for the treatment of this type of industrial waste water than the fixed-bed systems.
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Österås, Ann Helén. "Interactions between calcium and heavy metals in Norway spruce : accumulation and binding of metals in wood and bark /." Stockholm : Botaniska institutionen, Univ, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-81.

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Eddleman, Katherine. "Bioaccumulation of Heavy Metals from Soils to Plants in Watersheds Contaminated by Acid Mine Drainage in SE Arizona." Thesis, The University of Arizona, 2012. http://hdl.handle.net/10150/265334.

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Current concerns about inorganic contaminants in food products have raised consumer awareness of anthropogenic sources of heavy metal contamination in ecosystems and their potential threat to human health. Mining and exploration of mineralized zones is a major source of such contamination. Mining throughout the Patagonia Mountains, Arizona, has left a legacy of surface water contamination by acid mine drainage (AMD). This study assessed the impacts of AMD on soils and plants throughout the study area. Concentrations, transport, and loading of heavy metals (Ag, As, Cd, Co, Cr, Cu, Fe, Mn, Mo, Ni, Pb, Sb, and Zn) in soils and plants was quantified using total concentrations, suggested toxic levels, and plant and soil pollution indices. Pollution indices were modified to include antimony and molybdenum. Pollution indices greater than 100 were found in areas disturbed by mining, remediation sites and beyond. Cattle grazing on grasses contaminated by metals were documented.
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Lai, Mei-yee, and 黎美兒. "Fractionation, mobilization and bioaccumulation of heavy metals and mineralogical characteristics of the Mai Po Inner Deep Bay mudflat." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B29980069.

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Giansante, Ruth Helena. "Potencial de Rizobactérias para a Remoção de Cádmio em Solução." Universidade Estadual Paulista (UNESP), 2017. http://hdl.handle.net/11449/153351.

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Rizobactérias são excelentes candidatas à aplicação em processos de bioacumulação de elementos potencialmente tóxicos, pois desenvolveram mecanismos para a incorporação intracelular de uma ampla gama de íons. A sensibilidade e a capacidade de remoção de cádmio (Cd2+) de duas espécies de rizobactérias: Rizobium tropici (LBMP-C01) e Ensifer meliloti (LBMPC02), foram estudadas. A concentração mínima inibitória (CMI) das bactérias foi determinada pelo cultivo em meio contendo CdCl2.2H2O (0,025 a 4 mmol L-1). Foram realizados testes de viabilidade das células das duas estirpes na CMI e ensaios de bioacumulação com suspensões de células bacterianas nas doses de 10, 20 e 30 %(v/v) em solução contendo 100 mg L-1 de Cd2+. As estirpes LBMP-C01 e LBMP-C02 foram sensíveis a concentrações de Cd2+ superiores a 1,0 e 0,05 mmol L-1, respectivamente. As células de LBMP-C01 e LBMP-C02 apresentaram-se viáveis nas CMI 1,0 e 0,05 mmol L-1 Cd2+, respectivamente. A estirpe LBMP-C01 não removeu Cd2+ nos ensaios de bioacumulação e a estirpe LBMP-C02 foi capaz de remover 80 % deste íon em solução contendo 100 mg L-1 Cd2+, após 72 h de contato e 30 %(v/v) do bioacumulador. Os espectros de absorção molecular na região do infravermelho, de ambas as espécies estudadas praticamente não indicaram diferenças nos grupos funcionais presentes nas moléculas da biomassa celular. A observação por microscopia eletrônica de transmissão mostrou a presença de maior número de grânulos eletrodensos no citoplasma da estirpe de LBMP-C02 em relação à LBMP-C01 quando estas foram cultivadas com Cd2+. A estirpe LBMP-C02 foi a mais eficiente na remoção de Cd2+. A resistência a metais dessas duas bactérias envolve mecanismos diferentes.
Rhizobacteria are excellent candidates for use in the processes of bioaccumulation of potentially toxic elements because they have developed mechanisms for the intracellular uptake of a wide range of ions. Here, the sensitivity and capacity to remove cadmium (Cd2+) of two species of rhizobacteria, Rhizobium tropici (LBMP-C01) and Ensifer meliloti (LBMP-C02), were studied. The minimum inhibitory concentration (MIC) of the bacteria was determined by culturing them in medium containing CdCl2·2H2O (0.025 to 4 mmol L-1 ). Cell viability tests of the two strains were performed at MIC, and bioaccumulation assays were performed with 10, 20, and 30 %(v/v) bacterial cell suspensions in a Cd2+ solution 100 mg L-1 . Strains LBMP-C01 and LBMP-C02 were sensitive to Cd2+ concentrations above 1.0 and 0.05 mmol L-1 , respectively. LBMP-C01 and LBMP-C02 cells were viable at the MICs of Cd2+ solution 1.0 and 0.05 mmol L-1 , respectively. LBMP-C01 did not remove Cd2+ in the bioaccumulation assays, whereas LBMP-C02 removed 80 % of this ion in Cd2+ solution 100 mg L-1 , after 72 h of contact and 30 %(v/v) of the bioaccumulator. The infrared absorption spectra of both species did not indicate differences in the functional groups present in the molecules of the cell biomass. Transmission electron microscopy showed the presence of a larger number of electron-dense granules in the cytoplasm of LBMP-C02 compared to LBMP-C01 when they were cultured with Cd2+. The LBMP-C02 strain was the most efficient in the Cd2+ removal. The metal resistance of these two bacteria involves different mechanisms.
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Lenkutytė, Kristina. "Vario ir kadmio tarpusavio sąveika ir šių sunkiųjų metalų poveikis vasarinių miežių (Hordeum vulgare L. Nutans) augimui." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2012. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2012~D_20120620_140104-99231.

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Šis tiriamasis darbas buvo atliekamas norint ištirti vario ir kadmio keliamą poveikį vasarinių miežių (Hordeum vulgare L.) morfologiniams ir fiziologiniams rodikliams bei nustatyti Cu ir Cd bioakumuliaciją šiuose augaluose. Sunkieji metalai veikė augalus pavieniui ir sąveikaudami mišinyje. Tiriami augalai buvo 5 dienas auginami mitybinėje terpėje su skirtingomis vario ir kadmio koncentracijomis (Cu ir Cd pavieniui: 0,1 mg/l, 1 mg/l, 5 mg/l, 10 mg/l ir 100 mg/l bei šių sunkiųjų metalų mišinys: 0,1 mg Cu/l+0,1 mg Cd/l, 1 mg Cu/l+1 mg Cd/l, 5 mg Cu/l+5 mg Cd/l, 10 mg Cu/l+10 mg Cd/l ir 100 mg Cu/l+100 mg Cd/l). Buvo nustatinėti šie parametrai: daigelių aukštis, šaknelių ilgis, stiebelių ir šaknelių biomasė, fotosintezės pigmentų kiekis, malono dialdehido kiekis, vario ir kadmio bioakumuliacija vasarinio miežio lapuose ir šaknyse. Tik esant mažiausiai sunkiųjų metalų koncentracijai stiebelių aukščiai ir šaknelių ilgiai yra didesni arba beveik lygūs kontroliniam variantui (p>0,05), tačiau visos kitos vario ir kadmio koncentracijos nuo 1 mg/l statistiškai patikimai (p<0,05) sumažino stiebų ir šaknų augimą. Esant mažiausiai 0,1 mg/l metalų koncentracijai daigų ir šaknų sausoji biomasė buvo (p>0,05) didesnė arba mažesnė nei kontrolės ir sudarė 96 % - 120 % kontrolės lygio. Esant didesnėms sunkiųjų metalų koncentracijoms daigų ir šaknų biomasės sumažėjo (Cd – p>0,05, Cu – p<0,05) ir sudarė 16 % - 90 % kontrolės lygio. Karotinoidų kiekio padidėjimas nustatytas iki 115 % (100 mg Cd/l) –... [toliau žr. visą tekstą]
This study was conducted to investigate the copper and cadmium effects on spring barley (Hordeum vulgare L.) for morphological and physiological parameters and to determine bioaccumulation of Cu and Cd in these plants. Heavy metal effects on plants alone and synergistically in combination. Test plants were grown for 5 days the culture medium containing different concentrations of copper and cadmium (Cd and Cu alone: 0,1 mg/ l, 1 mg/ l, 5 mg/ l, 10 mg/ l and 100 mg/ l, and these heavy metals mixture of 0,1 mg Cu/ l +0,1 mg Cd/ l, 1 mg Cu/ l +1 mg Cd/ l, 5 mg Cu/ l +5 mg Cd/ l, 10 mg Cu / l +10 mg Cd / l and 100 mg Cu/ l +100 mg Cd/ l). The determination of these parameters sprouts height, root length, stem and root biomass, photosynthetic pigments, and a pleasure dialdehyde formed amount of copper and cadmium bioaccumulation of barley leaves and roots. Only at the lowest concentrations of heavy metals in stem height and root length is larger than or nearly equal to the control variant (p>0,05), but all the other copper and cadmium concentration of 1 mg/ l, statistically significant (p<0,05) reduced the stems and root growth. At least 0,1 mg/ l, the concentration of metals in shoot and root dry biomass was (p<0,05) higher or lower than the control was 96% - 120% of control levels. At higher concentrations of heavy metals in shoot and root biomass decreased (Cd - p>0,05, Cu - p<0,05) and accounted for 16% - 90% of control levels. Carotenoid content was determined by 115 % (100... [to full text]
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9

Zhou, Hai Yun. "Evaluation of organochlorines and heavy metals in the Pearl River Delta and Hong Kong, with emphasis on bioaccumulation in freshwater fish." HKBU Institutional Repository, 1999. http://repository.hkbu.edu.hk/etd_ra/207.

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Sauliutė, Gintarė. "Sunkiųjų metalų kaupimosi lašišų Salmo salar l. audiniuose eksperimentiniai tyrimai." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2013. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2013~D_20130619_131018-63094.

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Baigiamajame magistro darbe nagrinėjamas sunkiųjų metalų (toliau – SM) keliamas pavojus biotinei ir abiotinei aplinkai, vertinamas eksperimento aktualumas, užsienio šalių bei Lietuvos patirtis šioje srityje. Darbo tikslas – nustatyti SM (Cu, Zn, Ni, Cr, Pb, Cd, Pb) mišinio kaupimosi dėsningumus atlantinių lašišų Salmo salar L. audiniuose (inkstuose, žiaunose, raumenyse, kepenyse) eksperimentinėmis sąlygomis. Gauti rezultatai palyginami su ankstesniųjų metų tyrimų duomenimis, kur analogiškomis bandymo sąlygomis buvo tirtos penkios žuvų rūšys. Nustatyta, kad skirtingos žuvų rūšys skirtingai kaupia SM audiniuose. Lašišoje SM kaupėsi tokia mažėjančia seka: raumenys > žiaunos > inkstai > kepenys. Nustatyti Ni DLK viršijimai raumenyse ir žiaunose, o Pb leistinas kiekis viršytas net 3 audiniuose: raumenyse, žiaunose ir kepenyse. Parengto matematinio modeliavimo rezultatai parodė, kad SM kaupimasis lašišų audiniuose yra specifinis metalui ir audiniui, t. y., skirtingi audiniai parodė skirtingą gebėjimą kaupti SM. Darbo pabaigoje pateikiamos išvados ir rekomendacijos. Darbą sudaro 6 dalys: įvadas, literatūros apžvalga, metodikos aprašymas ir rezultatų analizė, matematinis modeliavimas, išvados ir rekomendacijos, literatūros sąrašas. Darbo apimtis – 90 p., 48 iliustr., 16 lent., 73 bibliografiniai šaltiniai.
The final master thesis discusses potential risks of heavy metals (hereinafter referred to as HM) to theLeopoldas biotic and abiotic environment, relevance of the experimental investigation, Raimondas Idzelis experience of Lithuania and foreign countries in this field. Aim of the work is to evaluate the accumulation patterns of heavy metal mixture (Cu, Zn, Ni, Cr, Pb, Cd) in the tissues of Atlantic salmon Salmo salar L. (kidneys, gills, muscles, liver) in experimental conditions. Results of the work are compared with previous studies, where five species were investigated in the same conditions. It was found that different species accumulate different amounts of HM in the tissues. Salmon accumulate HM in the following descending order: muscles > gills > kidneys > liver. Maximum permissible amount of Ni was exceeded in muscles and gills, while amount of Pb was exceeded even in the three tissues: muscles, gills and liver. Results of the mathematical model showed that the HM accumulation in salmon is specific for metal and for tissue, i.e. different tissues showed a different ability to accumulate HM. At the end of the work general conclusions and recommendations are presented. Structure: introduction, review of literary sources, description of methodology and analysis of results, mathematical modelling, conclusions and recommendations, references. Thesis consists of: 90 p., 48 pictures, 16 tables, 73 bibliographical entries.
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Books on the topic "Bioaccumulation of heavy metals"

1

Campbell, Kym Rouse. Bioaccumulation of heavy metals in fish living in stormwater treatment ponds. Palatka, Fla: St. Johns River Water Management District, 1995.

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Cubbage, Jim. Bioaccumulation of contaminants in crabs and clams in Bellingham Bay. Olympia, WA: Washington State Dept. of Ecology, Environmental Investigations and Laboratory Services, Toxics, Compliance, and Ground Water Investigations Section, 1991.

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Yong, Ping. Investigation of heavy metals bioaccumulation by a Citrobacter sp: Y Ping Yong. Birmingham: University of Birmingham, 1996.

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Kremer, Hartwig. Verteilungsmuster der Schwermetalle Blei, Cadmium und Quecksilber in Weich- und Hartgeweben mariner Säugetiere aus deutschen Küstengewässern. Hamburg: Bundesforschungsanstalt für Fischerei, 1995.

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Mason, Robert P. Methylmercury concentrations in fish from tidal waters of the Chesapeake Bay: Final report. [Solomons, Md.]: University of Maryland Center for Environmental Science, Chesapeake Biological Laboratory, 2004.

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Förstner, Ulrich, Wim Salomons, and Pavel Mader, eds. Heavy Metals. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79316-5.

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service), SpringerLink (Online. Soil Heavy Metals. Berlin, Heidelberg: Springer-Verlag Berlin Heidelberg, 2010.

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Ismailov, Nariman. Scientific basis of environmental biotechnology practical. ru: INFRA-M Academic Publishing LLC., 2020. http://dx.doi.org/10.12737/1048434.

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The monograph is devoted to modern biotechnology, which allows to solve urgent environmental problems in all areas of modern society. Described the current use of biotechnological methods for environmental protection. The common assessment of the environment, the analysis bioaccumulating capacity of the biosphere, presented information on bio-ecological potential of human society. Considers the issues of technological bio-energetics, obtaining biodegradable materials, different fields of organic waste, bioremediation of soils contaminated with petroleum products, pesticides, heavy metals, solid waste processing, utilization of oil sludge and drill cuttings, cleaning of soil and groundwater from contamination, the use of biotechnology in the oil industry and others Described the modern problems of organic agriculture and the progress in this area. Discussed microbiological, biochemical and technological fundamentals of these processes. The prospects of the use of biotechnology in integrated environmental protection. Discusses the modern view of ecological culture and ecological civilization in the framework of the problems under consideration. Designed for teachers, students, engineers, ecologists, agricultural workers, civil servants, decision-makers, engaged in the manufacture engaged in the development of programs for socio-ecological sustainable development.
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Furini, Antonella. Plants and heavy metals. Dordrecht: Springer, 2012.

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Varma, A., and Irena Sherameti. Detoxification of heavy metals. Heidelberg: Springer, 2011.

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Book chapters on the topic "Bioaccumulation of heavy metals"

1

Mance, Geoffrey. "Bioaccumulation." In Pollution Threat of Heavy Metals in Aquatic Environments, 287–98. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3421-4_9.

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Segretin, Ana Belén, Josefna Plaza Cazón, and Edgardo R. Donati. "Bioaccumulation and Biosorption of Heavy Metals." In Heavy Metals in the Environment, 93–113. Boca Raton, FL : CRC Press, 2018. | “A science publishers book.”: CRC Press, 2018. http://dx.doi.org/10.1201/b22013-5.

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Juwarkar, Asha A., and Santosh K. Yadav. "Bioaccumulation and Biotransformation of Heavy Metals." In Bioremediation Technology, 266–84. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-3678-0_9.

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Diels, L., L. Regniers, and M. Mergeay. "Bioaccumulation of Heavy Metals from Polluted Soils." In Contaminated Soil ’88, 759–62. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-2807-7_122.

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Goodyear, Kay L., and Stuart McNeill. "Bioaccumulation of Heavy Metals by Freshwater Insect Larvae." In Reviews of Environmental Contamination and Toxicology, 129–46. New York, NY: Springer New York, 1998. http://dx.doi.org/10.1007/978-1-4612-1708-4_3.

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Chatterjee, Soumya, Sibnarayan Datta, Priyanka Halder Mallick, Anindita Mitra, Vijay Veer, and Subhra Kumar Mukhopadhyay. "Use of Wetland Plants in Bioaccumulation of Heavy Metals." In Soil Biology, 117–39. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-35564-6_7.

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Stephansen, Diana Agnete, Asbjørn Haaning Nielsen, Thorkild Hvitved-Jacobsen, Carlos Alberto Arias, Hans Brix, and Jes Vollertsen. "Seasonal Trends in Bioaccumulation of Heavy Metals in Fauna of Stormwater Ponds." In Urban Environment, 485–94. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-7756-9_43.

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Chen, Wilfred, Weon Bae, Rajesh Mehra, and Ashok Mulchandani. "Enhanced Bioaccumulation of Heavy Metals by Bacterial Cells with Surface-Displayed Synthetic Phytochelatins." In ACS Symposium Series, 411–18. Washington, DC: American Chemical Society, 2002. http://dx.doi.org/10.1021/bk-2002-0806.ch024.

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Jay, Jenny Ayla, and Tim E. Ford. "Water Concentrations, Bioaccumulation, and Human Health Implications of Heavy Metals in Lake Chapala." In The Lerma-Chapala Watershed, 123–36. Boston, MA: Springer US, 2001. http://dx.doi.org/10.1007/978-1-4615-0545-7_5.

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Stephansen, Diana Agnete, Asbjørn Haaning Nielsen, Thorkild Hvitved-Jacobsen, and Jes Vollertsen. "Bioaccumulation of heavy metals in fauna from wet detention ponds for stormwater runoff." In Urban Environment, 329–38. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-2540-9_30.

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Conference papers on the topic "Bioaccumulation of heavy metals"

1

Moigradean, Diana. "HEAVY METALS BIOACCUMULATION RATE IN TOMATO FRUIT." In 14th SGEM GeoConference on ECOLOGY, ECONOMICS, EDUCATION AND LEGISLATION. Stef92 Technology, 2014. http://dx.doi.org/10.5593/sgem2014/b52/s20.045.

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Toth, Lorand. "BIOACCUMULATION OF HEAVY METALS IN AREAS ADJACENT TO JIU RIVER." In 18th International Multidisciplinary Scientific GeoConference SGEM2018. Stef92 Technology, 2018. http://dx.doi.org/10.5593/sgem2018/5.1/s20.017.

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Rosca, Mihaela, Raluca-Maria Hlihor, Petronela Cozma, Elena-Diana Comanita, Isabela Maria Simion, and Maria Gavrilescu. "Potential of biosorption and bioaccumulation processes for heavy metals removal in bioreactors." In 2015 E-Health and Bioengineering Conference (EHB). IEEE, 2015. http://dx.doi.org/10.1109/ehb.2015.7391487.

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Morichetti, Mauro, Giorgio Passerini, Pranas Baltrėnas, Edita Baltrėnaitė, and Gianni Corvatta. "Heavy Metals Uptake by Trees near a Waste Incinerator." In Environmental Engineering. VGTU Technika, 2017. http://dx.doi.org/10.3846/enviro.2017.039.

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Incinerators produce energy burning virtually everything including waste, but emit pollutants such as heavy metals and carbon monoxide (CO). These substances can be uptaken by trees through their roots, leaves or stems. To evaluate the quantity of heavy metals uptaken, and to validate the methodology, we studied an incinerator and its area of influence. In order to catalogue the impact of the incinerator on the environment, sampling sites were grouped into seven categories according to the prevailing wind direction. The selected tree species was Populus Alba and heavy metals considered were antimony (Sb), arsenic (As), cadmium (Cd), cobalt (Co), chromium (Cr), nickel (Ni), lead (Pb), copper (Cu), vanadium (V), and zinc (Zn). In a first stage, the metals concentrations were compared with literature data. Metals with higher concentrations were chromium (Cr) and lead (Pb). Metal concentrations of polluted zones were then compared, with control site. Sample points near the incinerator showed lower metals concentrations whereas, all samples taken in an urban area had higher concentrations, especially chromium (Cr) and lead (Pb). A final analysis revealed that the tree species chosen are not a good choice to evaluate bioaccumulation since its dynamic factors of biophilicity are low. However such trees proved suitable for phytoremediation.
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Nenciu, Magda-Ioana. "BIOACCUMULATION OF HEAVY METALS IN SEAHORSE TISSUE AT THE ROMANIAN BLACK SEA COAST." In 14th SGEM GeoConference on WATER RESOURCES. FOREST, MARINE AND OCEAN ECOSYSTEMS. Stef92 Technology, 2014. http://dx.doi.org/10.5593/sgem2014/b32/s15.072.

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GENC, Tuncer�Okan. "HEAVY�METALS�BIOACCUMULATION�IN�ECONOMICALLY�MPORTANT�FISH�(MUGIL�CEPHALUS�L.)�OF�KOYCEGIZ�LAGOON�SYSTEM�(TURKEY)." In SGEM2012 12th International Multidisciplinary Scientific GeoConference and EXPO. Stef92 Technology, 2012. http://dx.doi.org/10.5593/sgem2012/s20.v5064.

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"What is the role of sediment resuspension in the bioaccumulation of heavy metals in oysters?" In 20th International Congress on Modelling and Simulation (MODSIM2013). Modelling and Simulation Society of Australia and New Zealand (MSSANZ), Inc., 2013. http://dx.doi.org/10.36334/modsim.2013.h6.lee.

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Busuioc, Gabriela. "ASSESSMENT OF HEAVY METALS CONTENT AT ONE COMMON MOSS SPECIES, BY EDXRF METHOD AND BIOACCUMULATION INDEX." In 15th International Multidisciplinary Scientific GeoConference SGEM2015. Stef92 Technology, 2011. http://dx.doi.org/10.5593/sgem2015/b52/s20.077.

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Boutahar, Loubna. "Heavy Metal Bioaccumulation, and Risk Assessment in the Nador Lagoon, Morocco." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.236.

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Ene, Antoaneta. "ASSESSMENT OF BIOACCUMULATION OF HEAVY METALS IN SUNFLOWER CULTIVATED IN THE AGRICULTURAL AREA NEXT TO STEEL INDUSTRY." In 19th SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings. STEF92 Technology, 2019. http://dx.doi.org/10.5593/sgem2019/3.2/s13.004.

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Reports on the topic "Bioaccumulation of heavy metals"

1

Benemann, J. R., and E. W. Wilde. Literature review on the use of bioaccumulation for heavy metal removal and recovery. Office of Scientific and Technical Information (OSTI), February 1991. http://dx.doi.org/10.2172/5787800.

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Benemann, J. R., and E. W. Wilde. Literature review on the use of bioaccumulation for heavy metal removal and recovery. Volume 2. Office of Scientific and Technical Information (OSTI), February 1991. http://dx.doi.org/10.2172/10132654.

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Moffett, James W. The Chemistry and Bioaccumulation of Copper and Other Heavy Metals By Phytoplankton in the Water Column of San Diego Harbor and Its Relationship to Ecological Assessment and Water Quality. Fort Belvoir, VA: Defense Technical Information Center, September 1999. http://dx.doi.org/10.21236/ada630292.

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Putnam, Mike, and Pilar Umnuss. Heavy Metals Analyzer. Fort Belvoir, VA: Defense Technical Information Center, January 2003. http://dx.doi.org/10.21236/ada607339.

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De Quesada, Armando, David Silveri, and Tom Bright. Abatement of Marine Coatings Containing Heavy Metals. Fort Belvoir, VA: Defense Technical Information Center, June 1995. http://dx.doi.org/10.21236/ada453186.

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Wilson, R. F. Transport of heavy metals in process wastewaters. Office of Scientific and Technical Information (OSTI), January 1990. http://dx.doi.org/10.2172/6203104.

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Pereboom, D. P. K. H., I. J. W. Elbers, J. de Jong, M. K. van der Lee, and W. C. M. de Nijs. Proficiency test for heavy metals in compound feed. Wageningen: RIKILT Wageningen University & Research, 2016. http://dx.doi.org/10.18174/397952.

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Watson, L. D., and J. E. Thompson. Heavy metals processing near-net-forming summary progress report. Office of Scientific and Technical Information (OSTI), September 1994. http://dx.doi.org/10.2172/132677.

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Detering, B. A., and J. A. Batdorf. Plasma treatment of INEL soil contaminated with heavy metals. Office of Scientific and Technical Information (OSTI), January 1992. http://dx.doi.org/10.2172/5665137.

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Bunting, Wade. Elimination of Toxic Heavy Metals From Small Caliber Ammunition. Fort Belvoir, VA: Defense Technical Information Center, January 1998. http://dx.doi.org/10.21236/ada371028.

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