Results 231 to 240 of about 48,663 (290)
Role of chelating agent on the oxidic state of hydrotreating catalysts
Catalysis Today, 2008 International audienceChelating agents enhance the catalytic properties of HDT catalysts. It was evidenced that the presence of this organic compounds delays sulfidation.
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Chemotherapy, 2000
The antibacterial activity of metal ions, metal chelates, and molecules with chelating ability for polyvalent cations have been evaluated. The chelator N,N′-ethylenebis[2-(2-hydroxyphenyl)-glycine] (EHPG) exerted moderate-to-good activity against isolates of pathogenic bacteria and fungi. Other chelating agents such as ethylenediamine-tetraacetic acid (
Tom Bergan +5 more
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The antibacterial activity of metal ions, metal chelates, and molecules with chelating ability for polyvalent cations have been evaluated. The chelator N,N′-ethylenebis[2-(2-hydroxyphenyl)-glycine] (EHPG) exerted moderate-to-good activity against isolates of pathogenic bacteria and fungi. Other chelating agents such as ethylenediamine-tetraacetic acid (
Tom Bergan +5 more
openaire +4 more sources
Journal of Toxicology: Clinical Toxicology, 1982
AbstractIn recent years there has been a growing awareness of the importance of trace metals in the environment, in their dichotomous role as essential nutritional factors on the one hand, and as toxic agents on the other. The apparent ambivalent nature of metal ions is shown as a continuum in a wide range dose-response curve. The response on the curve,
D R, Williams, B W, Halstead
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AbstractIn recent years there has been a growing awareness of the importance of trace metals in the environment, in their dichotomous role as essential nutritional factors on the one hand, and as toxic agents on the other. The apparent ambivalent nature of metal ions is shown as a continuum in a wide range dose-response curve. The response on the curve,
D R, Williams, B W, Halstead
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Journal of Chemical Education, 1976
The authors relay promising pharmceuticals to treat lead poisoning and other common heavy metal toxins.
M M, Jones, T H, Pratt
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The authors relay promising pharmceuticals to treat lead poisoning and other common heavy metal toxins.
M M, Jones, T H, Pratt
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Chelating Agents for Metal Intoxication
Current Medicinal Chemistry, 2012In this paper we took into examination the use of chelation therapy for treating metal intoxication in humans. We divided this paper in four main parts: before all the principal causes of toxicity are exposed; second the chemical requirements (thermodynamic and kinetic), the interactions with the endogenous molecules and the target organs, as well as ...
CRISPONI, GUIDO +3 more
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Chelating Agents for Neurodegenerative Diseases
Current Medicinal Chemistry, 2012It has become apparent in the last years that metal ion homeostasis and its dysfunction which results in increased accumulation in brain, notably of copper, iron and zinc, may be associated with a number of neurodegenerative diseases, such that chelation therapy may be one therapeutic option.
R J, Ward, D T, Dexter, R R, Crichton
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Disintegration of retroviruses by chelating agents
Archives of Virology, 1982Exposure in vitro of various mammalian retroviruses to the chelating agents EDTA or EGTA in millimolar concentrations resulted in partial disintegration of viral membranes as measured by accessibility or even release of reverse transcriptase, an internal viral protein, without any other treatment usually required.
V, Wunderlich, G, Sydow
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Casopis lekaru ceskych, 1990
The problem of chelating agents used as antidotes in intoxications with metals is intensively studied during the past 20 years. Due to the complex nature of the action of these substances in the organism their investigation is a typically interdisciplinary problem. The submitted review gives the theoretical background of the formation of chelate in the
M, Cikrt, K, Bláha
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The problem of chelating agents used as antidotes in intoxications with metals is intensively studied during the past 20 years. Due to the complex nature of the action of these substances in the organism their investigation is a typically interdisciplinary problem. The submitted review gives the theoretical background of the formation of chelate in the
M, Cikrt, K, Bláha
openaire +1 more source
Design of therapeutic chelating agents
Biochemical Society Transactions, 2002The successful design of orally active non-toxic selective metal chelators is a much sought-after goal. In order to identify an ideal chelator for clinical use, a range of specifications must be considered, such as metal selectivity and affinity, kinetic stability of the complex, bioavailability and toxicity. In this overview the comparative properties
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