Cadmium: toxicology and analysis. A review

Robards, Kevin; Worsfold, Paul J.

doi:10.1039/an9911600549

Cited by 202 publications

(108 citation statements)

References 292 publications

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“…Interestingly, the added pollutant metals do not reside in sulfide (which would be analyzed in the oxidizable fraction) despite the fact that increased TOC associated with the polluted sites has resulted in increased formation of AVS. Metals in the Fe-Mn oxide fraction are known to be bioavailable (Modak et al 1992) so Zn, Pb, and particularly Cd (because of its ecotoxicological properties: Robards and Worsfold 1991;Bryan and Langston 1992), may pose a threat to the environment at wastewater discharge and polluted estuary sites.…”

Section: Fractions Of Heavy Metals and As In Surface Sediments In Difmentioning

confidence: 99%

Anthropogenic impacts on reduced inorganic sulfur and heavy metals in coastal surface sediments, north Yellow Sea

et al. 2012

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This study investigated the organic carbon, reduced inorganic sulfur, and heavy metal distribution in superficial sediments at an estuary, a wastewater discharge area, and a mariculture area, as compared with an unpolluted distal site, in the north Yellow Sea, China. Sediment grain size, acid volatile sulfur (AVS), chromium (II)-reducible sulfur, elemental sulfur, total sulfur, total organic carbon (TOC), total nitrogen and trace metal content were determined for each site. These results indicate that pollution leads to increased TOC at all affected sites, which in turn leads to elevated AVS. The resultant change in diagenetic environment leads to changes in the mineralogical fate of Mn. Pb, Zn, Cu, and Cd: all are present at elevated concentrations, and with more metal in the non-residual fractions. Cd shows by far the most elevated concentrations and most significant increase in non-residual fractions and consequently poses the most significant pollution risk.

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Section: Fractions Of Heavy Metals and As In Surface Sediments In Difmentioning

confidence: 99%

Anthropogenic impacts on reduced inorganic sulfur and heavy metals in coastal surface sediments, north Yellow Sea

et al. 2012

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“…Coma or even death may than follow. How serious the effects are depends upon the resistance of individual persons and the concentration a person is taken to [1]. Cesium is not biodegradable like other toxic pollutants and once in the environment, their potential toxicity is controlled by their physiochemical form [2,3].…”

Section: Introductionmentioning

confidence: 99%

A modified method for removal and stabilization of cesium metal in the vitrified matrix

Ghaffar

Mazhar

Mashiatullah

et al. 2012

J. Water Chem. Technol.

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“…Several studies have focused on the toxicity of heavy metals, particularly the toxicity associated with the phenomenon of bioaccumulation 34 . Several heavy metals are essential to the metabolism of microorganisms, since they are required in numerous enzymatic reactions and protein compositions.…”

Section: Introductionmentioning

confidence: 99%

Effects of nickel on the mineral composition of Fleischmanns yeast (Saccharomyces cerevisiae)

Mariano-da-Silva¹,

Brait²,

Angeloni³

et al. 2007

Ciênc. Tecnol. Aliment.

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Sugar cane juice containing 12% (w.w -1 ) of total reducing sugars and 0.0 to 5.0 mmol of nickel L -1 , with pH ranging from 3.5 to 6.5, was inoculated with Fleischmann's yeast (Saccharomyces cerevisiae) (10% w.w -1 ). Six hours after fermentation, the yeast's cellular viability and trehalose content were evaluated. The resulting must was centrifuged and the raw yeast was analyzed by atomic absorption spectroscopy to evaluate the intracellular levels of calcium, copper, iron, magnesium, manganese, nickel, phosphorus, potassium, sulfur and zinc. The intracellular levels of iron, magnesium and calcium were affected and the yeast's susceptibility to nickel was enhanced by the decrease in pH. The yeast's growth was not affected by nickel at high pH, but the toxic effects of nickel were potentiated at low pH. Keywords: nickel; mineral composition; Saccharomyces cerevisiae; yeast. ResumoO presente trabalho teve por finalidade estudar o acúmulo e os efeitos do níquel na composição mineral da levedura Saccharomyces cerevisiae Fleichmann fermentando mosto de caldo de cana com contaminações controladas, em níveis subtóxicos, do citado metal. O mosto esterelizado (120 °C/20 minutos), com 12% de açúcares redutores totais (ART) e quatro níveis de pH (3,5; 4,5; 5,5 e 6,5), foi acrescido com o sal cloreto de níquel (NiCl 2 .6H 2 O), resultando em seis níveis de contaminações (0,0; 0,1; 0,5; 1,0; 2,0 e 5,0 mmol Ni.L -1 ) e 24 tratamentos. A inoculação do mosto foi executada com fermento de panificação (10% p.p -1 ). Depois de 6 horas de fermentação, as leveduras foram obtidas por centrifugação, para posterior análise da viabilidade celular, dos teores de trealose, bem como dos teores celulares de níquel, fósforo, potássio, cálcio, magnésio, enxofre, cobre, ferro, manganês e zinco. O níquel parece influenciar nos teores intracelulares de ferro, magnésio e cálcio, sendo que a toxidade do níquel foi potencializa com o decréscimo do pH.

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Cadmium: toxicology and analysis. A review

Cited by 202 publications

References 292 publications

Anthropogenic impacts on reduced inorganic sulfur and heavy metals in coastal surface sediments, north Yellow Sea

Anthropogenic impacts on reduced inorganic sulfur and heavy metals in coastal surface sediments, north Yellow Sea

A modified method for removal and stabilization of cesium metal in the vitrified matrix

Effects of nickel on the mineral composition of Fleischmanns yeast (Saccharomyces cerevisiae)

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Cadmium: toxicology and analysis. A review

Cited by 202 publications

References 292 publications

Anthropogenic impacts on reduced inorganic sulfur and heavy metals in coastal surface sediments, north Yellow Sea

Anthropogenic impacts on reduced inorganic sulfur and heavy metals in coastal surface sediments, north Yellow Sea

A modified method for removal and stabilization of cesium metal in the vitrified matrix

Effects of nickel on the mineral composition of Fleischmanns yeast (Saccharomyces cerevisiae)

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Effects of nickel on the mineral composition of Fleischmanns yeast (Saccharomyces cerevisiae)