Ng, Joseph J Q; Tkachev, Sergey; Sim, Glendon C F; de Lima, Luiza Felippi; Koon, Gavin K W; Lima, Alexandre P; Neto, Antonio Castro H Non-Invasive Hydration Monitoring with a Graphene Dual Sweat Sensor APPLIED SCIENCES-BASEL, 15 (9), 2025, DOI: 10.3390/app15094970. Abstract | BibTeX | Endnote @article{WOS:001486021400001,
title = {Non-Invasive Hydration Monitoring with a Graphene Dual Sweat Sensor},
author = {Joseph J Q Ng and Sergey Tkachev and Glendon C F Sim and Luiza Felippi de Lima and Gavin K W Koon and Alexandre P Lima and Antonio Castro H Neto},
doi = {10.3390/app15094970},
times_cited = {2},
year = {2025},
date = {2025-04-01},
journal = {APPLIED SCIENCES-BASEL},
volume = {15},
number = {9},
publisher = {MDPI},
address = {MDPI AG, Grosspeteranlage 5, CH-4052 BASEL, SWITZERLAND},
abstract = {Maintaining optimal hydration is critical for physiological function,
particularly during intense physical activities, in which dehydration or
overhydration can impair performance and recovery. Traditional methods
for monitoring hydration status, such as body weight changes,
bioelectrical impedance, and urine specific gravity, are limited by
inconvenience and lack of real-time capability. This study introduces a
novel graphene-based dual-sensing electrochemical sensor for the rapid
and non-invasive quantification of sodium and potassium concentrations
in human sweat, key biomarkers of hydration status. Leveraging
graphene's exceptional conductivity and functionalization potential, the
sensor employs open-circuit potentiometry (OCP) to achieve high
sensitivity and selectivity in detecting sodium and potassium. The
sensor performance was validated against that of a commercial analyzer
and ICP-OES, demonstrating a near-Nernstian response (61.93 mV/decade
for sodium and 61.21 mV/decade for potassium detection) and a linear
detection range spanning from 0.1 mM to 100 mM for both sodium and
potassium monitoring in sweat. Sweat samples from an athlete during
endurance exercise confirmed the sensor's reliability, with results
closely matching those of ICP-OES and outperforming the commercial
analyzer in regards to accuracy and sample efficiency. This work
represents a cross-validated study of a sweat-based sensor with a second
analytical technique, highlighting its potential as a real-time
hydration monitoring tool for use in sports and beyond.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Maintaining optimal hydration is critical for physiological function,
particularly during intense physical activities, in which dehydration or
overhydration can impair performance and recovery. Traditional methods
for monitoring hydration status, such as body weight changes,
bioelectrical impedance, and urine specific gravity, are limited by
inconvenience and lack of real-time capability. This study introduces a
novel graphene-based dual-sensing electrochemical sensor for the rapid
and non-invasive quantification of sodium and potassium concentrations
in human sweat, key biomarkers of hydration status. Leveraging
graphene's exceptional conductivity and functionalization potential, the
sensor employs open-circuit potentiometry (OCP) to achieve high
sensitivity and selectivity in detecting sodium and potassium. The
sensor performance was validated against that of a commercial analyzer
and ICP-OES, demonstrating a near-Nernstian response (61.93 mV/decade
for sodium and 61.21 mV/decade for potassium detection) and a linear
detection range spanning from 0.1 mM to 100 mM for both sodium and
potassium monitoring in sweat. Sweat samples from an athlete during
endurance exercise confirmed the sensor's reliability, with results
closely matching those of ICP-OES and outperforming the commercial
analyzer in regards to accuracy and sample efficiency. This work
represents a cross-validated study of a sweat-based sensor with a second
analytical technique, highlighting its potential as a real-time
hydration monitoring tool for use in sports and beyond. - FNClarivate Analytics Web of Science
- VR1.0
- PTJ
- AFJoseph J Q Ng
Sergey Tkachev
Glendon C F Sim
Luiza Felippi de Lima
Gavin K W Koon
Alexandre P Lima
Antonio Castro H Neto
- TINon-Invasive Hydration Monitoring with a Graphene Dual Sweat Sensor
- SOAPPLIED SCIENCES-BASEL
- DTArticle
- ABMaintaining optimal hydration is critical for physiological function,
particularly during intense physical activities, in which dehydration or
overhydration can impair performance and recovery. Traditional methods
for monitoring hydration status, such as body weight changes,
bioelectrical impedance, and urine specific gravity, are limited by
inconvenience and lack of real-time capability. This study introduces a
novel graphene-based dual-sensing electrochemical sensor for the rapid
and non-invasive quantification of sodium and potassium concentrations
in human sweat, key biomarkers of hydration status. Leveraging
graphene's exceptional conductivity and functionalization potential, the
sensor employs open-circuit potentiometry (OCP) to achieve high
sensitivity and selectivity in detecting sodium and potassium. The
sensor performance was validated against that of a commercial analyzer
and ICP-OES, demonstrating a near-Nernstian response (61.93 mV/decade
for sodium and 61.21 mV/decade for potassium detection) and a linear
detection range spanning from 0.1 mM to 100 mM for both sodium and
potassium monitoring in sweat. Sweat samples from an athlete during
endurance exercise confirmed the sensor's reliability, with results
closely matching those of ICP-OES and outperforming the commercial
analyzer in regards to accuracy and sample efficiency. This work
represents a cross-validated study of a sweat-based sensor with a second
analytical technique, highlighting its potential as a real-time
hydration monitoring tool for use in sports and beyond. - Z92
- PUMDPI
- PAMDPI AG, Grosspeteranlage 5, CH-4052 BASEL, SWITZERLAND
- VL15
- DI10.3390/app15094970
- UTWOS:001486021400001
- ER
- EF
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