The Effect of Perspiring on Conductivity in Electronic Textile Design

Abstract

It has been seen great advances in technology in recent years. One of these advances has become in smart textile. Although there are many different definitions, usually smart textiles can be defined "sense and respond to environmental stimuli". They have been different application areas such as e-textiles, nano textiles, technical textiles, etc. In the last decades, e-textiles developments come to the fore in the smart textiles. E-textiles contain some digital, electronical circuits, sensors and textile based materials such as conductive fiber, yarn and fabrics. A lot of products can be made in this industry but the effects of environmental stimulis such as human perspiring on these products are not examined so much. In this study, it was examined the conductivity of e-textile fabrics in the changing different pH values according to gender. Acidic and alkaline solutions have been applied on conductive fabrics and results have been examined with SEM and resistance measure. As a result of the study, it is found that perspiration doesn't affect the conductivity on conductive textile surface badly. In contrast, conductivity has the better result when perspiration solution used. Conductivity increased for each pattern and pH solutions because of decreasing resistance.

Enhanced Sweat Biosensing with Thread-Embedded Microfluidic Devices

“…Sweat, as a rich source of electroconductive electrolytes such as sodium and potassium, holds great significance in numerous biomedical and clinical settings. It has been explored for a variety of applications, including early diagnosis of cystic fibrosis, assessment of hydration levels, and as an indicator of various physiological conditions [8]. Additionally, sweat conductivity has been investigated in industrial applications, offering insights into the effects of moisture on electrical properties in textiles and e-textile applications.…”

“…The ability to incorporate an array of multiple textile sensors capable of selectively detect different analytes absorbed into the fabric would enable the creation of a powerful textile multisensory platform akin to a lab-on-fabric device. Although conductive threads can be produced using various methods, the wrapping and coating methods are the most common in the industry [7,8]. Interestingly, textile-based sensors have the same targets as wearable sensors, which are biomarkers in human sweat, an epidermally available biofluid containing various analytes [9].…”

Review on the Integration of Microelectronics for E-Textile

“…One of the sequin feed units is selected and positioned in a predetermined sewing operation position, and the driving force of a feeding drive mechanism is transmitted to the sequin feed mechanism to feed out and integrate the sensor, LED sequins, and antenna on textile fabric. However, when embroidery is used, especially in near-body applications, the electronic and conductive paths have to be placed on the outside of the fabric, as they generally should be shielded from naturally occurring conductive substances such as sweat [ 108 ]. Furthermore, the electronic components and conductive truck must not be damaged or lose efficiency by any external interruption such as abrasion and cyclic washing.…”