Journal ArticleDOI
XAS and microscopy studies of the uptake and bio-transformation of copper in Larrea tridentata (creosote bush)
Lori A. Polette,Jorge L. Gardea-Torresdey,Russell R. Chianelli,Graham N. George,Ingrid J. Pickering,Jesus Arenas +5 more
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TLDR
The mechanism employed by Larrea tridentata (Creosote bush) to uptake and simultaneously defend against the presence of excess copper has been investigated in this article, showing that creosote takes up or adsorbs copper from the soil in the Cu(II) oxidation state and transports it to the leaves.About:
This article is published in Microchemical Journal.The article was published on 2000-10-01. It has received 62 citations till now. The article focuses on the topics: Copper.read more
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Phytoremediation of heavy metals and study of the metal coordination by x-ray absorption spectroscopy
TL;DR: X-ray absorption spectroscopy (XAS) has been used to investigate metal interactions within inorganic chemical systems as mentioned in this paper, which has provided important information on the coordination chemistry of metals and toxic element interactions with phytoremediation systems.
Journal ArticleDOI
Synchrotron-based techniques for plant and soil science: opportunities, challenges and future perspectives
Enzo Lombi,Jean Susini +1 more
TL;DR: This paper aims at providing an introduction to synchrotron radiation and to the fundamentals of some widely used syn chrotron-based techniques, in particular X-ray absorption, fluorescence and tomography.
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The mechanism of metal nanoparticle formation in plants: limits on accumulation
TL;DR: In this paper, the authors used X-ray absorption near edge spectroscopy (XANES) to determine the metal speciation within Brassica juncea, and the quantity of reduction of AgI to Ag0.
Journal ArticleDOI
Formation of metallic copper nanoparticles at the soil-root interface.
Alain Manceau,Kathryn L. Nagy,Matthew A. Marcus,Martine Lanson,Nicolas Geoffroy,Thierry Jacquet,Tatiana Kirpichtchikova +6 more
TL;DR: It is shown that common wetlands plants Phragmites australis and Iris pseudoacorus can transform copper into metallic nanoparticles in and near roots with evidence of assistance by endomycorrhizal fungi when grown in contaminated soil in the natural environment.
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Compartmentation and complexation of metals in hyperaccumulator plants.
TL;DR: This work confirmed that enhanced active metal transport, and not metal complexation, is the key mechanism of hyperaccumulation.
References
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Journal ArticleDOI
Quantitative assessment of worldwide contamination of air, water and soils by trace metals
Jerome O. Nriagu,Jozef M. Pacyna +1 more
TL;DR: Calculated loading rates of trace metals into the three environmental compartments demonstrate that human activities now have major impacts on the global and regional cycles of most of the trace elements.
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Phytoremediation: A Novel Strategy for the Removal of Toxic Metals from the Environment Using Plants
David E. Salt,Michael J. Blaylock,Nanda P. B. A. Kumar,Viatcheslav. Dushenkov,Burt D. Ensley,Ilan Chet,Ilya Raskin +6 more
TL;DR: Biological mechanisms of toxic metal uptake, translocation and resistance as well as strategies for improving phytoremediation are also discussed.
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Rhizofiltration: The Use of Plants to Remove Heavy Metals from Aqueous Streams
TL;DR: Dried roots were much less effective than live roots in accumulating Pb and in removing Pb from the solution, and Pb removal was based on tissue absorption and on root-mediated Pb precipitation in the form of insoluble inorganic compounds, mainly Pb phosphate.
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Heavy metal accumulation and tolerance in British populations of the metallophyte Thlaspi caerulescens J. & C. Presl (Brassicaceae)
TL;DR: The data suggest common mechanisms of absorption and transport of several metals in this species, including Zn, Cd, Co, Mn and Ni were readily transported to the shoot whereas Al, Cr Cu, Fe and Pb were predominantly immobilized in the roots.
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Biochemical, physiological, and structural effects of excess copper in plants
TL;DR: Copper effects on plant physiology are wide ranging, including interference with fatty acid and protein metabolism and inhibition of respiration and nitrogen fixation processes, and at the whole plant level Cu is an effective inhibitor of vegetative growth and induces general symptoms of senescence.
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ATHENA, ARTEMIS, HEPHAESTUS: data analysis for X-ray absorption spectroscopy using IFEFFIT.
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