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Fabrication and characterization of pillar interdigitated electrode for blood glucose sensing

Bose, A and Sengupta, S (2021) Fabrication and characterization of pillar interdigitated electrode for blood glucose sensing. In: Sensor Review .

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Official URL: https://doi.org/10.1108/SR-10-2020-0232


Purpose: A bio-sensor has been developed in this study for the purpose of point-of-care diagnostics. Point-of-care-diagnostic is a type of diagnosis where the diagnostic centre, i.e. the diagnosis kit is made available at the location of the patient when the patient needs immediate action. In this process of diagnosis a compact, portable, integrated kit must be available which can diagnose the disease of the patient by testing various analytes. Design/methodology/approach: Using a fully experimental methodology, a blood glucose sensor is made by conducting carbon interdigitated electrode (IDE) on a flexible substrate. IDEs are used to increase the effective capacitance of the structure, as well as the effective electroactive area of the sensor. Interdigitated structure permits two-electrode sticks with �each other� and �infuse� together. As a consequence, the distance between electrodes can be tuned to a much smaller value than traditional thin-film architectures. Narrowing the distance between electrodes allows for fast ion diffusion that offers better rate capability and efficiency in power density. The fabricated device exhibits a remarkable value of sensitivity in the order of 2.741 µA mM-1 cm�2. Findings: A highly sensitive, portable and inexpensive blood glucose sensor has been developed in this context. Originality/value: This research study can be a scope for future research in the field of bio-sensors. © 2020, Emerald Publishing Limited.

Item Type: Journal Article
Publication: Sensor Review
Publisher: Emerald Group Holdings Ltd.
Additional Information: The copyright for this article belongs to Emerald Group Holdings Ltd.
Keywords: Chemical sensors; Diagnosis; Electrodes; Fabrication; Glucose; Glucose sensors, Blood glucose sensing; Design/methodology/approach; Experimental methodology; Fabrication and characterizations; Interdigitated electrodes; Interdigitated structure; Point of care diagnostic; Thin film architectures, Blood
Department/Centre: Division of Interdisciplinary Sciences > Centre for Nano Science and Engineering
Date Deposited: 12 Jul 2021 11:05
Last Modified: 12 Jul 2021 11:05
URI: http://eprints.iisc.ac.in/id/eprint/68826

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