Correction Braz J Med Biol Res 2007; 40(1): 135-143 Effect of age and gender on sweat lactate and ammonia concentrations during exercise in the heat

Meyer, Flávia; Laitano, Orlando; Bar‐Or, Oded; McDougall, David; Heigenhauser, G. J.F.

doi:10.1590/s0100-879x2007000600019

Cited by 9 publications

(8 citation statements)

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“…In contrast to what is expected in theory [18,19] and already published [20,21,27,28], the ammonium concentration decreased for further load of intensity. However, an increasing heart rate and MET value indicate a physical overstrain of the test subject.…”

Section: Comparison Of On-site Measurements Using the Electrolyte Sencontrasting

confidence: 91%

“…factors the sweat rate into the calculation of ammonium concentration in sweat and showed an increased concentration of ammonium during exercise consistent to theory . However, closer examination of the details of the published sports‐related application tests reveals that most measurements were only done before exercise and of the accumulated sweat after the exercise was completed . Only Ament, et al.…”

Section: Resultsmentioning

confidence: 99%

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Human Sweat Analysis Using a Portable Device Based on a Screen‐printed Electrolyte Sensor

et al. 2017

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Analysis of ammonium in human sweat during physical strain using a portable sensor device and enzymatic measurements are compared. The portable device is based on a screen‐printed electrolyte sensor connected with an evaluation board for data acquisition and transfer. During performance tests with artificial sweat, the sensor shows a low detection limit of 0.3 mM. Thus, the typical concentration range of ammonium in sweat lies within the working range of the sensor. We also demonstrate the necessity of the comparison measurement for verification of the correct performance of screen‐printed sensors and show how other components of human sweat influence the measured potential. Regarding the change in ammonium concentration during different levels of work out intensity, we point out a different behavior of what is expected physiologically. With this the importance of consideration of several parameters during sweating, like the sweat rate and other ingredients in human sweat, was demonstrated for correct determination of the ammonium concentration.

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Section: Comparison Of On-site Measurements Using the Electrolyte Sencontrasting

confidence: 91%

Section: Resultsmentioning

confidence: 99%

Human Sweat Analysis Using a Portable Device Based on a Screen‐printed Electrolyte Sensor

et al. 2017

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“…There are many known factors that cause inter-and intrasubject variation in sweat production. Main intersubject variability determinants are: physical maturation, 33,127 hydration, 15 diet, 128 and acclimatization. 40,129,130 Main factors for intersubject variability are: the time of day, 131 region of the body being sampled, 11,97,128 and the method of sweat induction.…”

Section: Challenges and Perspectives In Sweat Sensingmentioning

confidence: 99%

Wearable sweat sensing for prolonged, semicontinuous, and nonobtrusive health monitoring

Moonen

Haakma

Peri

et al. 2020

VIEW

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Together with the upcoming market for wearable consumer technologies, noninvasive and continuous health monitoring has become a new trend in the healthcare landscape. In recent years, significant research has been targeted toward the development of wearable sensing devices for monitoring biomarker levels in nonobtrusively accessible biofluids such as tears, urine, saliva, and sweat. Sweat could be an ideal candidate for prolonged, semicontinuous, and nonobtrusive health monitoring because sweat is a continuously accessible biofluid containing physiologically and metabolically rich information. However, challenges still remain toward commercialized wearable sweat-sensing devices, and the correlation between biomarker concentrations in sweat with health conditions still seems to be not fully understood. This review article aims to display the full scope of sweat sensing for health monitoring, starting from the fundamentals of human sweat, via modeling of the sweat gland physiology toward wearable sweat-sensing devices in research and commercialization efforts. Finally, the challenges of sweat sensing that still have to be overcome toward the utilization of sweat sensing in the conventional healthcare settings are discussed.

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“…The pH of human sweat is an excellent parameter to monitor overall skin health conditions and dehydration 42. Research has also pointed out that ammonia levels in human sweat can be considered as indicator of physical stress and hygiene conditions 43. Sweat has also been an outstanding milieu for monitoring heavy metals present in the human body.…”

Section: Tattoo‐based Electrochemical Devicesmentioning

confidence: 99%

Tattoo‐Based Wearable Electrochemical Devices: A Review

2015

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This article provides an overview of the recent advances in the field of skin‐worn tattoo‐based wearable electrochemical devices, including electrolyte and metabolite sensors, biofuel cells and batteries. Temporary tattoos are attractive platforms for fabricating skin‐worn devices. Body‐compliant wearable electrochemical devices on temporary tattoos couple highly favorable substrate‐skin elasticity with an attractive electrochemical performance. For example, tattoo‐based “skin‐like” sensors can be used for real‐time non‐invasive analysis of key electrolytes and metabolites, leading to remarkable sensing capabilities. Continued progress has been made also towards developing skin‐worn flexible energy harvesting and storage devices to power wearable health monitors and other devices. Key requirements and challenges that confront researchers in this exciting area of skin‐worn electrochemical devices are discussed.

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Correction Braz J Med Biol Res 2007; 40(1): 135-143 Effect of age and gender on sweat lactate and ammonia concentrations during exercise in the heat

Abstract: We suggest that subscribers photocopy this correction and insert the photocopy at the appropriate place where the article originally appeared. Secondary information services are urged to carry notice of this correction as prominently as they carried the original abstract.

Cited by 9 publications

References 0 publications

Human Sweat Analysis Using a Portable Device Based on a Screen‐printed Electrolyte Sensor

Human Sweat Analysis Using a Portable Device Based on a Screen‐printed Electrolyte Sensor

Wearable sweat sensing for prolonged, semicontinuous, and nonobtrusive health monitoring

Tattoo‐Based Wearable Electrochemical Devices: A Review

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