Mostrando 4,441 - 4,460 Resultados de 7,179 Para Buscar '"cadmium"', tiempo de consulta: 0.24s Limitar resultados
  1. 4441
    “…The drugs were pulverised, sieved and ashed before digestion using conc aqua regia HCl : HNO(3) (3:1), carcinogenic heavy metals (arsenic, cadmium, chromium, mercury, nicked and lead) were assayed using Varian AA240 atomic absorption spectrophotometer (AAS). …”
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  2. 4442
  3. 4443
  4. 4444
    “…The interactions of dopamine [2-(3,4-Dihydroxyphenyl)ethylamine, (Dop(−))] with cadmium(II), copper(II) and uranyl(VI) were studied in NaCl(aq) at different ionic strengths (0 ≤ I/mol dm(−3) ≤ 1.0) and temperatures (288.15 ≤ T/K ≤ 318.15). …”
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  5. 4445
    por Divya, T. V., Acharya, Celin
    Publicado 2022
    “…Overexpression of azuR in its native strain Anabaena 7120 enhanced the susceptibility to cadmium stress significantly. Overall, we propose a negative regulation of Anabaena MT by an α5 SmtB/ArsR metalloregulator AzuR.…”
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  6. 4446
  7. 4447
    “…The heterologous expression of BjCET1 in a yeast mutant increased the heavy-metal tolerance and decreased the cadmium or zinc accumulations in yeast cells, suggesting that BjCET1 is a metal ion transporter. …”
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  8. 4448
    “…Beside acting as a biomarker for cadmium exposure level, urinary Cd may also be applied as indirect biomarker for asymptomatic chronic lung function deterioration among the healthy population.…”
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  9. 4449
  10. 4450
    “…Bioassays were set up using: (i) clean filtered natural sea water (0.22 µm FNSW), (ii) a reference toxicant (Cadmium Nitrate) and (iii) an environmental matrix (sediment elutriate). …”
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  11. 4451
    “…METHODS: We measured concentrations of six nonessential (arsenic, barium, cadmium, cesium, lead, and mercury) and four essential (magnesium, manganese, selenium, and zinc) metals in first trimester maternal blood from a prebirth cohort. …”
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  12. 4452
    por Michael, Andreas
    Publicado 2019
    “…Hence, both a GEM and a single wire chamber (SWPC) detector are irradiated with X-ray (Cadmium-109) and Alpha (Americium-241) sources. Rapid aging is achieved through the outgassing of pollutants, increasing the number of radicals and subsequently production of polymers which cause aging. …”
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  13. 4453
    “…This review collects current knowledge regarding the endocrine-disrupting roles of heavy metals such as lead (Pb), cadmium (Cd), arsenic (As), mercury (Hg), nickel (Ni), copper (Cu), zinc (Zn), and manganese (Mn), summarizes the possible molecular mechanisms of these endocrine-disrupting chemicals (EDCs), and briefly evaluates their endocrine toxicity on animals and humans.…”
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  14. 4454
    “…The peritrophic matrix of aquatic arthropods, which is secreted by the midgut epithelium cells, is perturbed by copper or cadmium. Molecular biological studies have identified and characterized two midgut genes induced by heavy metals in the midgut epithelium. …”
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  15. 4455
    “…Model calculations of contaminant retardation are presented for the case of polymer-mediated transport of cadmium in a sandy aquifer material. The available information suggests that extracellular polymers can bind metal ions and are mobile in the soil environment. …”
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  16. 4456
    “…To detect combined environmental mutagen injuries the micronucleus assay was used to study the effects of metal compounds. Cadmium ions increased the micronucleus frequency linearly after incubation with whole blood in vitro with 10(6)-10(-3) M concentrations for 30 min. …”
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  17. 4457
    “…This paper examines the effect of micronutrient status on the toxicity of four nonessential metals: cadmium, lead, mercury, and arsenic. Unfortunately, few studies have directly examined the effect of dietary deficiency or supplementation on metal toxicity. …”
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  18. 4458
    por Chen, D G, Pounds, J G
    Publicado 1998
    “…The versatility of this approach is demonstrated using published data describing the toxicity of the binary mixtures of citrinin and ochratoxin as well as a new experimental data from our laboratory for mixtures of mercury and cadmium.…”
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  19. 4459
    por Stockwell, P. B., Corns, W. T.
    Publicado 1993
    “…Developments in the design of specified atomic fluorescence detectors for mercury, for the hydride-forming elements and also for cadmium, are described in this paper. Each of these systems is capable of analysing samples in the part per trillion (ppt) range reliably and economically. …”
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  20. 4460
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