Cited by 343Analytical Chemistry and SensorsAdvanced Sensor and Energy Harvesting MaterialsElectrochemical sensors and biosensors

A potentiometric tattoo sensor for monitoring ammonium in sweat

Guinovart, Tomàs, Bandodkar, Amay J., Windmiller, Joshua R., Andrade, Francisco J., Wang, Joseph·2013·The Analyst

Abstract

The development and analytical characterization of a novel ion-selective potentiometric cell in a temporary-transfer tattoo platform for monitoring ammonium levels in sweat is presented. The fabrication of this skin-worn sensor, which is based on a screen-printed design, incorporates all-solid-state potentiometric sensor technology for both the working and reference electrodes, in connection to ammonium-selective polymeric membrane based on the nonactin ionophore. The resulting tattooed potentiometric sensor exhibits a working range between 10(-4) M to 0.1 M, well within the physiological levels of ammonium in sweat. Testing under stringent mechanical stress expected on the epidermis shows that the analytical performance is not affected by factors such as stretching or bending. Since the levels of ammonium are related to the breakdown of proteins, the new wearable potentiometric tattoo sensor offers considerable promise for monitoring sport performance or detecting metabolic disorders in healthcare. Such combination of the epidermal integration, screen-printed technology and potentiometric sensing represents an attractive path towards non-invasive monitoring of a variety of electrolytes in human perspiration.

Integrity signals

Registry

Crossref · 10.1039/c3an01672b

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24 of 24 references verified0 citation errors · 0 not checkable

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  • Tattoo-based epidermal biosensors have been shown to allow real-time, non-invasive measurements of key sweat electrolytes, heavy metal, and metabolites.

    “Tattoo-based epidermal biosensors have thus been shown to allow real-time, non-invasive measurements of key sweat electrolytes (pH, ammonium or sodium), heavy metal (Zn) and metabolites (lactate or ethanol) (J.K., J.W. et al.)58,70-74.”

    From Wearable biosensors for healthcare monitoring (2019) · cites this paper as [72]

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Authors
Guinovart, T., Bandodkar, A. J., Windmiller, J. R., Andrade, F. J., & Wang, J.
Affiliations
  • University of California San Diego (US)
  • Universitat Rovira i Virgili (ES)
Corresponding author
  • Andrade, Francisco J.
  • Wang, Joseph
Venue
The Analyst
Published
2013
Volume
138
Issue
22
Pages
7031
ISSN
  • 0003-2654 (ISSN-L)
  • 1364-5528
OpenAlex
W2036886659
Cited by
343
References
24
Citations by year
2026: 13 · 2025: 28 · 2024: 31 · 2023: 41 · 2022: 29 · 2021: 36 · 2020: 47 · 2019: 31 · 2018: 25 · 2017: 27 · 2016: 16 · 2015: 10 · 2014: 8 · 2013: 1
FWCI
9.06
Type
journal article
Language
en
Open access
closed
Locations
  • The Analyst (publishedVersion)
  • PubMed (publishedVersion)
  • Repositori institucional URV (Universitat Rovira i Virgili) (submittedVersion)
Topics
  • Physical Sciences › Chemical Engineering › Bioengineering › Analytical Chemistry and Sensors
  • Physical Sciences › Engineering › Biomedical Engineering › Advanced Sensor and Energy Harvesting Materials
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Electrochemical sensors and biosensors
Keywords
potentiometric sensors, ammonium, sweat analysis, screen-printed electrodes, all-solid-state electrodes, wearable biosensors, protein degradation, metabolic disorders
MeSH terms
Electrochemistry, Humans, Potentiometry, Sweat, Biosensing Techniques, Ammonium Compounds

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