Computer simulation of Pr(III) speciation in human interstitial fluid

Authors: Zhang, Haiyuan; Lu, Xin; Wang, Jinping; Yang, Kuiyue; Niu, Chunji; Ni, Jiazuan

Source: Chemical Speciation and Bioavailability, Volume 16, Number 4, November 2004 , pp. 153-158(6)

Publisher: Science Reviews 2000 Ltd

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Abstract:

A multi-phase model of Pr(III) speciation in human interstitial fluid was constructed and Pr(III) speciation was studied. When the total concentration of Pr(III) is below 8.401×10⁻¹⁰ M, soluble Pr(III) species are main species. [Pr(Cit)](25.5%), [Pr(Cit)(Lac)](18.7%), [Pr(Cit)(Leu)](11.8%) and free Pr(III)(12.9%) are the most abundant species. When the total concentration of Pr(III) is between 1.583×10⁻⁹ M and 4.000×10⁻³ M, insoluble Pr(III) species are predominant species. Pr(III) is firstly bound to phosphate as precipitate of PrPO₄, then carbonate as another precipitate of Pr₂(CO₃)₃.

Keywords: computer simulation; praseodymium(?); speciation; human interstitial fluid

Document Type: Research article

DOI: http://dx.doi.org/10.3184/095422904782775009

Affiliations: 1: Key Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P.R. China

Publication date: 2004-11-10

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Chemical Speciation & Bioavailability covers a rapidly expanding area in environmental science.
Research on the interactions between the chemical forms and behaviour of toxic compounds and their subsequent biological uptake, metabolism and ecological fate involves many scientific fields. These studies are often published in discipline-specific journals, leading to inadequate review and information scatter. This situation hinders both the development of an international community of experienced colleagues and the open flow of information and discussion. Additionally, the importance of speciation and bioavailability research to the development of pollution law and control technologies is being increasingly appreciated by environmental regulatory agencies throughout the world.
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Computer simulation of Pr(III) speciation in human interstitial fluid

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