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Kinetics of spreading wetting of blood over porous substrates

journal contribution
posted on 22.05.2018 by Anna Trybala, Victor Starov
Blood rheology and spreading of blood over porous substrates in the case of complete and partial wetting are reviewed. It is shown that the blood is well described by a model of non-Newtonian shear thinning power law liquid. In the case of complete wetting a theory is developed, which predicts a universal behaviour of radius of blood droplet, contact angle and wetted spot on time. The predicted theoretical behaviour is a good agreement with experimental observation. In the case of particle wetting the experimental data show also a universal behaviour in the case of sufficiently big pore sizes but a new phenomenon was found in the case then red blood cells are bigger than the pore sizes: they accumulate on the membrane surface, which allow serration of plasma and red blood cells without damaging red blood cells.

Funding

This research was supported by Marie Curie project CoWet; MAP EVAPORATION project, European Space Agency; COST MP1106 EU project.

History

School

  • Aeronautical, Automotive, Chemical and Materials Engineering

Department

  • Chemical Engineering

Published in

Current Opinion in Colloid and Interface Science

Volume

36

Pages

84 - 89

Citation

TRYBALA, A. and STAROV, V., 2018. Kinetics of spreading wetting of blood over porous substrates. Current Opinion in Colloid & Interface Science, 36, pp.84-89.

Publisher

© Elsevier

Version

VoR (Version of Record)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Acceptance date

27/01/2018

Publication date

2018

Notes

This paper is closed access until 3 February 2019.

ISSN

1359-0294

Language

en

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