Phytosiderophore-induced mobilization and uptake of Cd, Cu, Fe, Ni, Pb …
— Request PDF | Phytosiderophore-induced mobilization and uptake of Cd, Cu, Fe, Ni, Pb and Zn by wheat plants grown on metal-enriched soils | We investigated to which extent phytosiderophores (PS ...
Physiological functions of mineral micronutrients (Cu, Zn, …
— Micronutrients are involved in all metabolic and cellular functions. Plants differ in their need for micronutrients, and we will focus here only on those elements that are generally accepted as essential for all higher plants: boron (B), chloride (Cl), copper (Cu), iron (Fe), manganese (Mn), molybdenum (Mo), nickel (Ni), and zinc (Zn). Several of …
Electrokinetic enhancement on phytoremediation in Zn, Pb, Cu …
— The Zn uptake in plant shoots under AC treatment was higher compared to the control and DC treatment. Zn and Cu accumulation in the plant roots under AC and DC treatment was similar, and both were higher comparing to control. Cd content in plant roots under all three treatments was found to be higher than that in the soil.
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Electrokinetic enhancement on phytoremediation in Zn, Pb, Cu …
DOI: 10.1080/10934520801974459 Corpus ID: 9538740; Electrokinetic enhancement on phytoremediation in Zn, Pb, Cu and Cd contaminated soil using potato plants @article{Aboughalma2008ElectrokineticEO, title={Electrokinetic enhancement on phytoremediation in Zn, Pb, Cu and Cd contaminated soil using potato plants}, …
Current Scenario of Pb Toxicity in Plants: Unraveling …
— The amount of Pb absorbed into the plant cells can be measured as transfer factor (TF). This TF is determined as a ratio of Pb concentration in plant vs. Pb concentration in soil (Bi et al. 2010; Liu et al. 2010).TF is specific for specific plants and is dependent upon the physicochemical properties of soil (Arshad et al. 2008; Liu et al. …
Toxicity of heavy metals (Zn, Cu, Cd, Pb) to vascular plants
Although a great variation between plant species, critical leaf tissue concentrations affecting growth in most species being 200 to 300 μg Zn g−1 dry weight, 15 to 20 μg Cu g−1 and 8–12 μg Cd g−1. With our present knowledge it is difficult to propose a limit for toxic concentrations of Zn, Cu, Cd and Pb in soils.
Molecular aspects of Cu, Fe and Zn homeostasis in plants
— The WHO estimates two billion people suffer from some form of Fe deficiency anemia, making Fe deficiency the leading human nutritional disorder in the world today [1].In addition, although Fe is the fourth most abundant element in the earth's crust, it is the third-most limiting nutrient for plant growth primarily due to the low solubility of Fe in …
Health risk of Hg, Pb, Cd, Zn, and Cu to the inhabitants
— Huludao Zinc Plant in Huludao City, China is the largest zinc smelting plant in Asia. ... Health risk of Hg, Pb, Cd, Zn, and Cu to the inhabitants around Huludao Zinc Plant in China via consumption of vegetables Sci Total Environ. 2007 Sep 20;383(1-3):81-9. doi: 10.1016/j.scitotenv.2007.05.002. Epub 2007 Jun 15. ...
Functional expression of AtHMA4, a P1B-type ATPase of the Zn/Co/Cd/Pb …
Mechanisms are required by all organisms to maintain the concentration of essential heavy metals (e.g. Zn and Cu) within physiological limits and to minimise the detrimental effects of non-essential heavy metals (e.g. Cd). Heavy-metal P-type ATPases (HMAs) are a subgroup of the P-type ATPase superfa …
Total concentrations and fractions of Cd, Cr, Pb, Cu, Ni and Zn …
— The sludge was examined for and the total concentrations and different chemical fractions of Cd, Cr, Pb, Cu, Ni and Zn. The total metal concentrations of heavy metals in sludge varied greatly. The contents of Zn and Cu were the highest, followed by then Cr, Ni and Pb and the content of Cd was the least.
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Pb uptake, accumulation, and translocation in plants: Plant
— Lead accumulates in plants by soil-plant interaction as its adsorption has been detected in roots of many plants such as Helianthus annus [7], Lactuca sativa [8], Chenopodium murale [9], Brassica juncea [10], and Nicotiana tabaccum [11].The extensive roots of plants absorb mineral nutrients along with free-Pb 2+ ions from the Pb …
Accumulation of Sb, Pb, Cu, Zn and Cd by various plants
— They found that the accumulation of Zn, Cu, Cd, and Pb in the shoots of 14 plant species, including 5 grass species, remained below the Swiss tolerance values for fodder plants (40 mg kg −1 Pb ...
Potential hyperaccumulation of Pb, Zn, Cu and Cd in endurant plants
— The absorption and accumulation of Pb, Zn, Cu and Cd in some endurant weed plant species that survived in an old smeltery in Liaoning, China, were systematically investigated. ... in soil with ...
Cordilleran Epithermal Cu-Zn-Pb-(Au-Ag) Mineralization …
Abstract. At Colquijirca, central Peru, a Miocene diatreme-dome complex is associated in space and time with several large epithermal polymetallic (Cu-Zn-Pb-Au-Ag) deposits of …
Accumulation properties of As, Cd, Cu, Pb and Zn by four wetland plant
— Six plants of each species, except for Salix where four plants were used, were mounted in black styro plates and placed in 1 l plastic pots filled with 30% nutrient solution with or without the addition of heavy metals. In metal-treatment pots, the elements given were 0.12 μM Cd, 2.7 μM Cu, 19.8 μM Pb, 42.3 μM Zn and 6.37 μM As.
Health Risk of Hg, Pb, Cd, Zn, and Cu to the Inhabitants
— The average total intake of Zn was 13695 μg/person/day, Figure 2 The contribution of the studied food categories to the daily food intake of Pb, Cd, Cu, Zn of the adult inhabitants of rural area.
Organic Amendment and Plant Growth Improved Aggregation in Cu/Pb-Zn
— As a result, both OMs containing functional groups and pioneer plant culture were found to stimulate aggregation and the development of technosols in Cu/Pb-Zn tailings. X-ray diffraction spectra ...
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Xinhai mobile crushing and screening equipment consists of three types: semi-mobile, tire movable type and crawler type. The machines comes with the power source and is …
Copper: uptake, toxicity and tolerance in plants and management of Cu
— Copper (Cu) is an essential mineral nutrient for the proper growth and development of plants; it is involved in myriad morphological, physiological, and biochemical processes. Copper acts as a cofactor in various enzymes and performs essential roles in photosynthesis, respiration and the electron transport chain, and is a structural …
Accumulation of Pb, Cu, and Zn in native plants growing on …
— Among the plants, Phyla nodiflora was the most efficient in accumulating Cu and Zn in its shoots (TF=12 and 6.3) while Gentiana pennelliana was most suitable for phytostabilization of sites contaminated with Pb, Cu and Zn (BCF=11, 22 and 2.6). Plant uptake of the three metals was highly correlated, whereas translocation of Pb was …
Accumulation properties of As, Cd, Cu, Pb and Zn by four wetland plant
DOI: 10.1016/S0098-8472(02)00002-3 Corpus ID: 83738999; Accumulation properties of As, Cd, Cu, Pb and Zn by four wetland plant species growing on submerged mine tailings @article{Stoltz2002AccumulationPO, title={Accumulation properties of As, Cd, Cu, Pb and Zn by four wetland plant species growing on submerged mine tailings}, author={Eva …
Accumulation of Pb, Cu, and Zn in native plants growing on …
— Accumulation of Pb, Cu, and Zn in native plants growing on contaminated sites and their potential accumulation capacity in Heqing, Yunnan ... area. Plants and associated soil samples were collected and analyzed for total metal concentrations. While total soil Pb, Cu and Zn concentrations varied from 1,239 to 4,311, 36 to 1,020 and 240 …
Speciation of Zn, Cu, and Pb in the soil depending on soil …
— Background, aim, and scope Heavy metal (HM) mobility in soil depends on the HM species in it. Therefore, knowledge of the HM speciation in soil allows the prediction of HM impact on the environment. HM speciation in soil depends on the metal chemical origin, soil texture, and other factors such as the origin and level of soil contamination. …
Middle Triassic Cu–Pb–Zn Skarn mineralization in the Wulonggou gold …
— The skarn type is a significant Cu–Pb–Zn mineralization worldwide (Meinert et al., 2005), and can be recognized in many metallogenic belts, including the East Kunlun and Gangdese Metallogenic Belts in Western China (Zhao et al., 2017).The timing of magmatic-hydrothermal activity is crucial for the formation of skarn mineralization.
Accumulation of Pb, Cu, and Zn in native plants growing on …
— Among the plants, Phyla nodiflora was the most efficient in accumulating Cu and Zn in its shoots (TF = 12 and 6.3) while Gentiana pennelliana was most suitable for phytostabilization of sites contaminated with Pb, Cu and Zn (BCF = 11, 22 and 2.6). Plant uptake of the three metals was highly correlated, whereas translocation of Pb was …
Ecological Risk Assessment of Cu, Ni, Cd, Hg, Zn, Pb and As …
— Abstract Heavy metal pollution in soils is a common environmental issue. However, previous studies have primarily investigated the total concentrations of heavy metals, while fraction analysis of heavy metals has rarely been conducted. To bridge this gap, 18 topsoil samples of gray-brown desert farmland soil from the Jinchuan District, …
Crawler Mobile Gold Ore Crushing and Processing …
— The Crawler Mobile Gold Ore Crushing and Processing Plant is equipped with cutting-edge technology. Its mobility, thanks to its crawler tracks, allows it to be easily transported to various mining sites, reaching …
Organic Amendment and Plant Growth Improved Aggregation in Cu/Pb‐Zn
— For example, 4 found that the formation of aggregates occurred around plant roots in OM-treated Cu-Pb-Zn tailings. Hence, the colonization of native grasses as pioneer plants would be a useful method to improve the aggregation of Cu/Pb-Zn tailings and the resultant physical structure (39; 64). Consequently, the effect of plant growth in the OM ...
Health risk of Hg, Pb, Cd, Zn, and Cu to the
— 1.. IntroductionThe accumulation of heavy metals in agricultural soils is of increasing concern because of food safety issues, potential health risks, and its detrimental effects on soil ecosystems (McLaughlin et al., 1999, Cui et al., 2004).Hg, Pb and Cd are of great concern because of their toxicity to human health and other organisms, whereas …