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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2
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pubmed:dateCreated |
1989-5-22
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pubmed:abstractText |
Formation constants for thallium(I) complexes of L-cysteine (CysH2), DL-penicillamine (PenH2), N-acetyl-L-cysteine (AcyH2), and N-acetyl-DL-penicillamine (ApeH2) in aqueous solution have been determined in 150 mmol dm-3 NaCl medium at 37 degrees C by potentiometric titrations using a glass electrode. Glycine has been used as a model for simple amino acids. The experimental data may be explained by the formation of the complexes T1(Cys)-, T1(Cys)H, T1(Pen)-, T1(Pen)H, T1(Acy)-, and T1(Ape)- with log formation constants 3.26, 11.28, 3.60, 12.05, 2.27, and 2.45, respectively. Analysis of the results obtained and comparison of thallium(I) complexing ability with that of dimethyl-thallium(III) seem to indicate that thallium(I) toxicity does not directly stem from its interference with the metabolism of sulphur-containing compounds.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Acetylcysteine,
http://linkedlifedata.com/resource/pubmed/chemical/Amino Acids,
http://linkedlifedata.com/resource/pubmed/chemical/Cysteine,
http://linkedlifedata.com/resource/pubmed/chemical/N-acetylpenicillamine,
http://linkedlifedata.com/resource/pubmed/chemical/Penicillamine,
http://linkedlifedata.com/resource/pubmed/chemical/Thallium
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pubmed:status |
MEDLINE
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pubmed:month |
Feb
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pubmed:issn |
0162-0134
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
35
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
95-105
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pubmed:dateRevised |
2008-11-21
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pubmed:meshHeading |
pubmed-meshheading:2703832-Acetylcysteine,
pubmed-meshheading:2703832-Amino Acids,
pubmed-meshheading:2703832-Chemical Phenomena,
pubmed-meshheading:2703832-Chemistry,
pubmed-meshheading:2703832-Cysteine,
pubmed-meshheading:2703832-Kinetics,
pubmed-meshheading:2703832-Penicillamine,
pubmed-meshheading:2703832-Potentiometry,
pubmed-meshheading:2703832-Thallium
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pubmed:year |
1989
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pubmed:articleTitle |
Thallium (I) interactions in biological fluids: a potentiometric investigation of thallium(I) complex equilibria with some sulphur-containing amino acids.
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pubmed:affiliation |
Departamento de Quimica Inorgánica, Universidad de Santiago de Compostela, Spain.
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pubmed:publicationType |
Journal Article
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