What is the purpose of the waistband?

The use of an elastic fabric laminated with a hydrophobic membrane prevents the absorption of sweat from the waistband, which would reduce the sweat flow to the pump.

What is the effect of sweat on the body?

During exercise, an increase in sweat rate affects the reabsorption processes in the sweat duct and increases the electrolyte concentration and pH of the sweat on the skin surface [26].

What can be avoided by a quick onset of hyponatremia?

Where there is a quick onset of hyponatremia, for example, during prolonged exercise, it can lead to severe complications such as seizures, coma, brain damage, and death.

What is the ductal portion of the sweat gland?

Sweat glands have two main components, atubular coiled area where the sweat is produced and the duct through which it reaches the skin surface.

What is the hypothesis that the sweat secreted at the skin is initially acidic?

One hypothesis is that during exercise, the sweat secreted at the skin is initially acidic due to reabsorption processes in the sweat duct.

What is the reason for the change in sweat composition during exercise?

as the subject continues to exercise, the rate at which sweat is excreted increases, in order to regulate body temperature.

What is the use of the LEDs?

LEDs have been demonstrated to operate as detectors as well as light sources and offer a low-costAuthorized licensed use limited to: DUBLIN CITY UNIVERSITY.

How can the sensor be used to measure the temperature of the body?

in the case of sodium and conductivity sensors, the trial results showed that if good contact between the sensors and the textile channel can be maintained, it is possible to make measurements in real time.

What is the effect of sweat reabsorption on the body?

This reduces the time available for reabsorption processes, and therefore, sweat pH increases along with sodium concentration and conductivity.

What is the common type of sensor used to collect and analyze sweat samples?

1) Collection Methods/Fluidics: A textile-based platform with fluid handling properties is used to collect and analyze sweat samples.

What is the use of the VapoMeter?

A commercial meter (VapoMeter, Delphintech) for measuring water evaporation was used as a reference, as there are currently no wearable devices available to measure sweat rate in real time.

What is the reason for the change in composition of sweat during exercise?

Further testing is needed to establish the reasons for the changing composition of sweat during exercise, as research in this area is unfortunately lacking due to the difficulty in sampling sweat.

Open AccessJournal Article10.1109/TITB.2009.2038484

BIOTEX—Biosensing Textiles for Personalised Healthcare Management

Shirley Coyle, +23 more

- 01 Mar 2010

- Vol. 14, Iss: 2, pp 364-370

339

TL;DR: A wearable sensing system has been developed that integrates a textile-based fluid handling system for sample collection and transport with a number of sensors including sodium, conductivity, and pH sensors, which has huge implications for the field of sports and human performance.

Abstract: Textile-based sensors offer an unobtrusive method of continually monitoring physiological parameters during daily activities. Chemical analysis of body fluids, noninvasively, is a novel and exciting area of personalized wearable healthcare systems. BIOTEX was an EU-funded project that aimed to develop textile sensors to measure physiological parameters and the chemical composition of body fluids, with a particular interest in sweat. A wearable sensing system has been developed that integrates a textile-based fluid handling system for sample collection and transport with a number of sensors including sodium, conductivity, and pH sensors. Sensors for sweat rate, ECG, respiration, and blood oxygenation were also developed. For the first time, it has been possible to monitor a number of physiological parameters together with sweat composition in real time. This has been carried out via a network of wearable sensors distributed around the body of a subject user. This has huge implications for the field of sports and human performance and opens a whole new field of research in the clinical setting.

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Most frequently asked questions

1. What is the secretory portion of the eccrine sweat gland?

The secretory portion of the eccrine sweat gland produces an isotonic fluid that moves through the ductal portion of the sweat gland, where solutes such as sodium ions are reabsorbed.

2. What contributions have the authors mentioned in the paper "Biotex—biosensing textiles for personalised healthcare management" ?

This has been carried out via a network of wearable sensors distributed around the body of a subject user.. This has huge implications for the field of sports and human performance and opens a whole new field of research in the clinical setting.. This work was supported by the European Union ( Biotex FP6-2004-IST-NMP-2 ) and Science Foundation Ireland ( 07/CE/I1147 ).. Color versions of one or more of the figures in this paper are available online at http: //ieeexplore.

3. What are the future works in "Biotex—biosensing textiles for personalised healthcare management" ?

The advantages of noninvasive monitoring of body fluids such as sweat has been touched in this paper, but further investigation is needed to explore this new and exciting area of research.

4. What are the effects of dehydration on the body?

Dehydration affects performance and if left untreated can lead to symptoms such as irritability, headache, dizziness, cramps, vomiting, increased body temperature and heart rate, increased perceived work rate, reduced mental function, and slower gastric emptying.

Fig. 11. BIOTEX SpO2 sensor compared with the reference measurement.

Fig. 8. Sweat pH during an exercise trial.

TABLE III PERFUSION INDEX FOR THE RED AND INFRARED LIGHT AT THE FINGER, THE FOREHEAD, AND THE STERNUM

TABLE I WEARABLE SENSORS INTEGRATED INTO TEXTILES AND SENSOR PLACEMENT

Fig. 1. Textile-based fluid handling platform.

Fig. 4. Multiparametric patch containing pH indicator, conductivity, sodium, and temperature sensors.

Citations

Journal Article•10.1016/J.SNB.2015.12.034

A wearable conductivity sensor for wireless real-time sweat monitoring

Gengchen Liu, +11 more

- 01 May 2016

- Sensors and Actuators B-chemical

TL;DR: In this article, a polydimethylsiloxane (PDMS) based sweat collector was fabricated to collect sweat from skin using the hydraulic pumping action of sweat glands, and the interfacing circuit was designed based on the results of the conductivity sensor that was characterized by the Electrochemical Impedance Spectroscopy.

...read moreread less

138

•Journal Article•10.1002/ADHM.201400463

Body-Monitoring and Health Supervision by Means of Optical Fiber-Based Sensing Systems in Medical Textiles

Brit M. Quandt, +7 more

- 01 Feb 2015

- Advanced Healthcare Materials

TL;DR: In this paper, setups of flexible, unobtrusive body-monitoring systems based on optical fibers and the respective measured vital parameters are discussed as well as the interaction of light with tissue.

...read moreread less

133

•Journal Article•10.1016/J.ELECTACTA.2012.04.147

Opportunities and challenges of using ion-selective electrodes in environmental monitoring and wearable sensors

Claudio Zuliani, +1 more

- 01 Dec 2012

- Electrochimica Acta

TL;DR: Great opportunities exist for ion-selective electrodes in the fields of environmental monitoring and of wearable applications for example as the sensing part in wireless networks and their combination as disposable sensing platform may offer the best solution to eliminate issues commonly experienced with ISEs.

...read moreread less

130

•Journal Article•10.3390/S19204353

Recent Progress in Wireless Sensors for Wearable Electronics.

Young Geun Park, +2 more

- 09 Oct 2019

- Sensors

TL;DR: This review article discusses recent progress in wireless technologies and various types of wearable sensors, including electronic skin, smart contact lenses, neural interfaces, and retinal prostheses.

...read moreread less

124

Journal Article•10.1109/JSEN.2016.2597312

Wearable Medical Monitoring Systems Based on Wireless Networks: A Review

Ting Liang, +1 more

- 02 Aug 2016

- IEEE Sensors Journal

TL;DR: This paper reviews current wearable mobile medical monitoring systems (WMMMSs) with emphasis on devices based on textile and wireless sensing networks, and acts as an effective approach to identify the technological advantages and disadvantages of the current state-of-the-art in wearable devices solutions.

...read moreread less

123

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References

Journal Article•10.1109/TITB.2005.854512

A wearable health care system based on knitted integrated sensors

Rita Paradiso, +2 more

- 01 Sep 2005

TL;DR: Results show that the information contained in the signals obtained by the integrated systems is comparable with that obtained by standard sensors.

...read moreread less

790

•Journal Article•10.1111/J.1469-445X.2000.02058.X

Variations in regional sweat composition in normal human males

Mark J. Patterson, +2 more

- 01 Nov 2000

- Experimental Physiology

TL;DR: This project aimed to quantify the regional distribution of sweat composition over the skin surface and to determine whether sweat constituent concentrations collected from regional sites can estimate whole‐body concentrations, and is the first investigation to report a positive relationship between sweat [K+] and [lactate.

...read moreread less

456

•Journal Article•10.1503/CMAJ.1040708

Focal hyperhidrosis: diagnosis and management

Aamir Haider, +1 more

- 04 Jan 2005

- Canadian Medical Association Journal

TL;DR: The condition carries a substantial psychological and social burden, since it interferes with daily activities, and early detection and management of hyperhidrosis can significantly improve a patient's quality of life.

...read moreread less

272

Journal Article•10.1152/JAPPL.1997.82.1.336

Whole body sweat collection in humans: an improved method with preliminary data on electrolyte content

Susan M. Shirreffs, +1 more

- 01 Jan 1997

- Journal of Applied Physiology

TL;DR: An improved method for collection of whole body sweat from exercising subjects is described, involved construction of a plastic frame that supports a large plastic bag within which the subject exercises.

...read moreread less

251

•Journal Article•10.1016/J.SNB.2009.02.032

Bio-sensing textile based patch with integrated optical detection system for sweat monitoring

Deirdre Morris, +6 more

- 20 May 2009

- Sensors and Actuators B-chemical

TL;DR: A pH sensor, which depends on the use of a pH sensitive dye and paired emitter-detector LEDs to measure colour changes, has been developed and in vitro and on-body trials have shown that the sensor has the potential to record real-time variations in sweat during exercise.

...read moreread less

242

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BIOTEX—Biosensing Textiles for Personalised Healthcare Management

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AI Agents for this Paper

Most frequently asked questions

1. What is the secretory portion of the eccrine sweat gland?

2. What contributions have the authors mentioned in the paper "Biotex—biosensing textiles for personalised healthcare management" ?

3. What are the future works in "Biotex—biosensing textiles for personalised healthcare management" ?

4. What are the effects of dehydration on the body?

5. What is the purpose of the waistband?

6. What is the effect of sweat on the body?

7. What can be avoided by a quick onset of hyponatremia?

8. What is the ductal portion of the sweat gland?

9. What is the hypothesis that the sweat secreted at the skin is initially acidic?

10. What is the reason for the change in sweat composition during exercise?

11. What is the use of the LEDs?

12. How can the sensor be used to measure the temperature of the body?

13. What is the effect of sweat reabsorption on the body?

14. What is the common type of sensor used to collect and analyze sweat samples?

15. What is the use of the VapoMeter?

16. What is the reason for the change in composition of sweat during exercise?

Figures

Citations

A wearable conductivity sensor for wireless real-time sweat monitoring

Body-Monitoring and Health Supervision by Means of Optical Fiber-Based Sensing Systems in Medical Textiles

Opportunities and challenges of using ion-selective electrodes in environmental monitoring and wearable sensors

Recent Progress in Wireless Sensors for Wearable Electronics.

Wearable Medical Monitoring Systems Based on Wireless Networks: A Review

References

A wearable health care system based on knitted integrated sensors

Variations in regional sweat composition in normal human males

Focal hyperhidrosis: diagnosis and management

Whole body sweat collection in humans: an improved method with preliminary data on electrolyte content

Bio-sensing textile based patch with integrated optical detection system for sweat monitoring

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