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Electrochemical potentials and pressures of biofluids from common experimental data
University of Gothenburg.
University of Gothenburg.ORCID iD: 0000-0001-6235-7038
2003 (English)In: Acta Biotheoretica, ISSN 0001-5342, E-ISSN 1572-8358, Vol. 51, no 3, 173-180 p.Article in journal (Refereed) Published
Abstract [en]

Many biosystems are complex mixtures of disparate biofluids. To study contact and transport phenomena in these mixtures, one has to apply much information on the biofluids which are components of the mixtures. A lot of the corresponding data can be extracted by means of experiments. However, it is not always easy to obtain experimental results on rather deep physical characteristics of biofluids, especially if the bioparticles are complicated systems and the fluid coexists in the mixture with a large number of other fluids. In these cases, the necessary data can, in principle , be extracted from those results which are easier to obtain experimentally. The present work proposes a method to evaluate the biofluid equilibrium pressure and electrochemical potential from common experimental values of the fluid concentration and absolute temperature as well as the fluid-particle mass, volume and spin. In so doing, the nonzero values of the particle volume are accounted for. The procedure is illustrated with a numerical example of the fluid of red blood cells (or erythocytes) in human blood. The pressure values obtained are 49.1 an 38.8 micropascals for men and women respectively whereas the electrochemical-potential values are -2.124 and -2.130 electronvolts for men and women respectively.

Place, publisher, year, edition, pages
Springer Science Business Media , 2003. Vol. 51, no 3, 173-180 p.
Keyword [en]
biofluid; pressure; electrochemical potential; experimental data; red blood cell; erythrocyte; biological heterostructure; particle of nonzero volume; Heisenbergs uncertainty principle; Maxwell-Boltzmann distribution
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-59178DOI: 10.1023/A:1025190005383ISI: 000184769200002PubMedID: 12952038OAI: diva2:350160
Available from: 2010-09-10 Created: 2010-09-09 Last updated: 2014-01-15

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Willander, Magnus
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