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Computer-Modelling of Metal Speciation in Human Blood Serum

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Peter Letkeman

Brandon University, Brandon, Manitoba, Canada R7A 6A9

J. Chem. Educ., 1996, 73 (2), p 165

DOI: 10.1021/ed073p165

Publication Date (Web): February 1, 1996

Section:

History, Education, and Documentation

Abstract

This paper briefly describes two computer programs, BEST and ECCLES, both available on disc, that can generate distribution diagrams for various metal-complexes in human blood plasma. Two heavy metals, lead and mercury, are used as examples. The species distribution vs pH diagrams are based on formation constants obtained from our own potentiometric study of the mercury-glutathione system. The efficacy of a chelating agent for mobilizing a metal ion from the liable metal-protein complex portion of blood, PMI index, is discussed as well. The paper points out that computer modelling of metal speciation in human blood plasma has led to the design of important new therapeutic chelating agents.

Keywords (Audience):

Second-Year Undergraduate

Keywords (Domain):

Biochemistry

Keywords (Feature):

Computer Series

Keywords (Pedagogy):

Computer-Based Learning

Keywords (Subject):

Metals

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This article has been cited by 2 ACS Journal articles (2 most recent appear below).

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  Chemical Research in Toxicology2006 19 (12), 1637-1642
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  Abstract | Full Text HTML | Hi-Res PDF
Holo- and Hemidirected Lead(II) in the Polymeric [Pb₄(μ-3,4-TDTA)₂(H₂O)₂]·4H₂O Complex. N,N,N‘,N‘-Tetraacetate Ligands Derived from o-Phenylenediamines as Sequestering Agents for Lead(II)
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  Joaquín Sanchiz, Pedro Esparza, Diego Villagra, Sixto Domínguez, Alfredo Mederos, Felipe Brito, Lorena Araujo, Agustin Sánchez, and Juan Manuel Arrieta
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  The coordinating ability of the ligands 3,4-toluenediamine-N,N,N,N-tetraacetate, o-phenylenediamine-N,N,N,N-tetraacetate, and 4-chloro-1,2-phenylenediamine-N,N,N,N-tetraacetate (H4L acids) toward lead(II) is studied by potentiometry, ...
  Abstract | Full Text HTML | Hi-Res PDF

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Computer-Modelling of Metal Speciation in Human Blood Serum