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Numerical modelling of the interaction between eccrine sweat and textile fabric for the development of smart clothing

Sebastia Saez, Juan Daniel Numerical modelling of the interaction between eccrine sweat and textile fabric for the development of smart clothing International Journal of Clothing Science and Technology.

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Abstract

Purpose: Live non-invasive monitoring of biomarkers is of great importance for the medical community. Moreover, some studies suggest that there is a substantial business gap in the development of mass-production commercial sweat-analyzing wearables with great revenue potential. The objective of this work is to quantify the concentration of biomarkers that reaches the area of the garment where a sensor is positioned to advance the development of commercial sweat-analyzing garments. Methodology: Computational analysis of the microfluidic transport of biomarkers within eccrine sweat glands provides a powerful way to explore the potential for quantitative measurements of biomarkers that can be related to the health and/or the physical activity parameters of an individual. The numerical modelling of sweat glands and the interaction of sweat with a textile layer remains however rather unexplored. This work presents a simulation of the production of sweat in the eccrine gland, reabsorption from the dermal duct into the surrounding skin and diffusion within an overlying garment. Findings: The model represents satisfactorily the relationship between the biomarker concentration and the flow rate of sweat. The biomarker distribution across an overlying garment has also been calculated and subsequently compared to the minimum amount detectable by a sensor previously reported in the literature. The model can thus be utilized to check whether or not a given sensor can detect the minimum biomarker concentration threshold accumulated on a particular type of garment.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Chemical and Process Engineering
Authors :
NameEmailORCID
Sebastia Saez, Juan Danielj.sebastiasaez@surrey.ac.uk
Uncontrolled Keywords : smart clothing; sweat duct simulation; Computational Fluid Dynamics; biomarker concentration, sensor technology
Depositing User : James Marshall
Date Deposited : 17 Mar 2020 10:25
Last Modified : 17 Mar 2020 10:25
URI: http://epubs.surrey.ac.uk/id/eprint/853940

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