Browsing by Author "Aminabhavi, T. M."

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Open Access
Skin-patchable electrodes for biosensor applications: A review
(American Chemical Society, 2020) Shetti, N. P.; Mishra, Amit; Basu, S.; Mascarenhas, R. J.; Kakarla, R. R.; Aminabhavi, T. M.
Health care monitoring is an extremely important aspect of human life that can be accomplished using wearable skin-patchable sensors. Upon interfacing with the skin or epidermal surface of the body, the sensing patches can monitor the movements of human parts such joints, legs, and fingers as well as tiny vibrations caused by respiration, blood flow, and heart beat. Wearable skin patches have shown improved promise in monitoring the body temperature and fever in addition to quick measurement of blood pressure and pulse rate along with breathing rate. Sensors can also analyze the sweat contents when in contact with the skin as well as other analytes such as diabetes-based volatile organic compounds (VOCs) and organophosphate nerve stimulating agents. Hence, the sensors can be of immense help in the early prediction of malfunctions of the body organs such as heart and lungs, leading to timely and effective treatment. This review covers different important aspects of skin-patchable sensors including mechanical strength and flexibility, sensitivity, transparency, self-healing, self-cleaning, and self-powering ability as well as their latest applications in medical technology.
Open Access
Versatile fullerenes as sensor materials
(Elsevier, 2021-04-02) Shetti, N. P.; Mishra, Amit; Basu, S.; Aminabhavi, T. M.
The last century outstanding discovery of fullerenes (or C60), as they are popularly called ‘buckyball’ structured molecules with icosahedral spherical structure, consists of 60 sp2-hybridized carbon atoms. These fullerenes have created immense applications in various fields, such as catalysts, sensors, photocatalysts, energy production, and storage materials. Fullerenes because of their improved conductivity, charge transfer, and photophysical properties have gained considerable attention, particularly in sensor area. The activity of sensors depends upon the interactions between fullerene and the sensing material. Among all the types of fullerenes, C60 has been extensively used. This review is an attempt to cover different aspects of fullerene-based sensing devices, wherein fullerenes act as important component (s) of the sensor device because of their electron-accepting properties. We will discuss the fullerene-based sensors for diverse applications as strain/gas sensors, electrochemical sensors, and optical sensors as much effort has been recently made to detect different analytes such as gases, volatile organic compounds, metal ions, anions, and biomolecules.