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Open AccessArticle

Disposable Potentiometric Sensory System for Skin Antioxidant Activity Evaluation

1
Ural State University of Economics, 62/45, 8 Marta/Narodnoi Voli St., 620144 Yekaterinburg, Russia
2
Ural Federal University named after the first President of Russia B. N. Yeltsin, 28, Mira St., 620078 Yekaterinburg, Russia
*
Author to whom correspondence should be addressed.
Sensors 2019, 19(11), 2586; https://doi.org/10.3390/s19112586
Received: 22 April 2019 / Revised: 20 May 2019 / Accepted: 3 June 2019 / Published: 6 June 2019
(This article belongs to the Special Issue Skin Sensors)
The skin is a natural barrier between the external and internal environment. Its protective functions and the relationship of its state with the state of health of the organism as a whole are very important. It is known that oxidant stress (OS) is a common indicator of health status. This paper describes a new sensory system for monitoring OS of the skin using antioxidant activity (AOA) as its criteria. The contact hybrid potentiometric method (CHPM) and new electrochemical measuring scheme were used. A new sensory system, including disposable modified screen-printed carbon and silver electrodes covered by membrane impregnated by mediator, was developed. Its informative ability was demonstrated in the evaluation of the impact of fasting, consumption of food and food enriched by vitamins (antioxidants) on skin AOA. This device consisting of a sensory system and potentiometric analyzer can be used in on-site and in situ formats. View Full-Text
Keywords: potentiometric sensory system; contact hybrid potentiometric method; screen-printed electrodes; antioxidant activity of skin potentiometric sensory system; contact hybrid potentiometric method; screen-printed electrodes; antioxidant activity of skin
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MDPI and ACS Style

Brainina, K.; Tarasov, A.; Khamzina, E.; Kazakov, Y.; Stozhko, N. Disposable Potentiometric Sensory System for Skin Antioxidant Activity Evaluation. Sensors 2019, 19, 2586.

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