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11 trace elements in biological system in recent years scientists from a variety of disciplines have directed their attention in an aggressive manner to a long neglected area of biochemical research ie the role of trace elements for the etiology of dis...
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2011-6-27element concentrations toxic to plants animals and man by larry p gough hansford t shacklette and arthur a case introduction investigators have long recognized the importance of certain ele ments commonly called minerals in the diet of h...
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2014-6-268 metal and trace-element concentrations in sediment samples from local regional and national studies compared to sediment in tuzigoot national monument 23 9 concentrations of select metals and trace elements in cattail parts as report...
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2014-7-8trace elements cu pb zn mn co k fe ca and na in these plants according to result of our study especially portulacca oleraceae l high concentration than other plants in terms of cu pb zn and k highest na rumex acetosella l but urtica...
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2016-11-30university the plants were uprooted on 9th of august in 2015 separated in their stem root branch unripe fruit flesh ripe fruit flesh leaf and seed parts and analyzed by icp-oes to determine the level of cd pb ni fe zn cu al cr and...
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2017-7-15key words trace elements zinc deficiency iron nickel 1 introduction the term trace elements refer to chemical elements present in a natural material at very small amounts in analytical chemistry a trace element is an element in a sample th...
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2018-1-25total concentration of trace elements in soils and plants were calculated on the basis of dry weight the soil-to-plant transfer factor tf was calculated as tf c plantsc soil where c plants and c soil represent the trace element concentration in...
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2018-5-29these two parts lists for plants and animals include most of the essential elements but are not necessarily comprehensive once you get down to the trace elements some findings are inconclusive and its possible that additional elements play mi...
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2018-6-10pb present at the concentration of 4 mgl21 in the matrix solutions the solutions were issued from a stock solution containing the main matrix elements as encountered in mineralized plant samples k 1000mgl21ca500mgl21mg200mgl21andp 100mgl21 p...
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2018-6-8abstract natural background levels of trace elements in wild plants were investigated firstly the validity of the analytical methods using inductively-coupled plasma mass spectroscopy after wet digestion with hno3 and hf was confirmed measureme...
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2020-3-23103 diagnosis of aluminium toxicity in plants the diagnosis of aluminium toxicity from visual signs in plants is unreliable pratt 1966 and critical plant concentrations of aluminium are ill-defined the aluminium concentration in leaves of luce...
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2020-5-16effects on plants in general there are many cases of specific effects of individual metals on different plants ie both macro- and micro-flora the biota requires some of these elements in trace quantities but may be sensitive to higher concent...
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2020-5-23trace elements tend to concentrate in sediment but also can dissolve to some degree in water and can present a risk to human and aquatic health learn about trace elements in groundwater in principal aquifers of the united states our invisible...
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2020-5-29these tables give an indicator of where intakes of minerals and trace elements are of concern but certain groups of people may have higher requirements for specific minerals eg women with particularly heavy periods may need extra iron and ex...
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2020-5-31each trace element has an optimal concentration range and many of them produce disease by excess and by default for a living to work it needs to count in its organism with carbon hydrogen oxygen and nitrogen without these elements life wou...
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A major limitation in the phytoremediation of toxic elements is the maximal level that can be accumulated by plants plants with the highest levels of toxic metal contents known as hyperaccumulators generally exhibit on a dry weight basis from about 2...
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Abstract - the aim of this study was to determine the current level of atmospheric heavy metal content on the bozdag mountain of the aegean region turkey twenty nine different plants were selected to study their potential as biomonitors of trace element...
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Abstract there are similarities between mammals and plants in the absorption and transport of trace elements the chemistry of trace element uptake from food sources in both cases is based on the thermodynamics of adsorption on charged solid surfaces emb...
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Fh nielsen in encyclopedia of food sciences and nutrition second edition 2003 definition of trace elements presently mineral elements considered to be trace elements are those that occur in the body in mg kg 1 of body weight or less amounts essent...
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Finally the trace elements must be efficiently transported to the edible parts of the plant phloem sap loading translocation and unloading rates are important processes that need to be considered plant biologists have identified and characterized the...
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Gerga district contains different activities urban agriculture and industry which can impact adversely on the soil quality sixteen samples of the agricultural soil 030-cm depth were collected to investigate the pollution of soil with trace elements c...
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Hyperaccumulation of trace elements by plants r d reeves phytochemical consultant 54 jickell street palmerston north new zealand 1 introduction...
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Sweet fennel foeniculum vulgare mill is one of the precious spices almost all parts of fennel plant are edible the herb is used as carminative digestive diuretic cosmetic and medicine a 05 g of the oven dried fennel fruit and soil samples were dig...
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The concentration level of heavy metals in the selected plants was found in the decreasing order as fe zn mn cu ni cr cd pb the results revealed that the selected medicinal plants accumulate these elements at different concentrations monitoring such med...
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