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Recent advances in 3D printing technologies for wearable (bio)sensors

Kalkal, A and Kumar, S and Kumar, P and Pradhan, R and Willander, M and Packirisamy, G and Kumar, S and Malhotra, BD (2021) Recent advances in 3D printing technologies for wearable (bio)sensors. In: Additive Manufacturing, 46 .

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Official URL: https://doi.org/10.1016/j.addma.2021.102088


Wearable (bio)sensors driven through emerging three-dimensional (3D) printing technologies are currently considered the next-generation tools for various healthcare applications due to their exciting characteristics such as high stretchability, super flexibility, low cost, ultra-thinness, and lightweight. In this context, 3D printing, an emerging advanced additive manufacturing technology has revolutionized the concept of free form construction and end-user customization owing to its multifarious peculiarities that involve ease of operation, on-demand and rapid fabrication, precise and controlled deposition, as well as versatility with various soft functional materials. The customized functional structures with controllable geometry and design can be autonomously printed on the desired surfaces using the 3D printing technologies excluding the prerequisite amenities of microfabrication technologies. To accomplish this, both academics and industry experts have worked persistently to fabricate smaller, faster, and more efficient wearable devices using readily available 3D printing technologies. The contribution of 3D printing technologies in developing novel 3D structures for wearable applications using printable soft and functional materials is highlighted in this article. Moreover, the process of 3D printing along with major techniques, namely vat photopolymerization, material jetting, and material extrusion are summarized. Besides this, a number of 3D printed (bio)sensing platforms such as glucose sensors, lactate sensors, sweat sensors, strain sensors, tactile sensors, wearable oximeters, smart bandages, artificial skin, tattoo sensors, electroencephalography (EEG), electrocardiography (ECG) sensors, etc., are discussed in terms of design specifications and fabrication strategies of devices obtained via 3D printing techniques. © 2021 Elsevier B.V.

Item Type: Journal Article
Publication: Additive Manufacturing
Publisher: Elsevier B.V.
Additional Information: The copyright for this article belongs to Elsevier Science.
Keywords: Additives; Artificial organs; Electrocardiography; Electroencephalography; Electrophysiology; Functional materials; Glucose; Microfluidics; Photopolymerization; Wearable sensors, 3-D printing; 3D-printing; Bio sensor; Generation tools; Health care application; Printing technologies; Strain sensors; Tactile sensors; Three-dimensional (3D) printing; Wearable biosensor, 3D printers
Department/Centre: Division of Interdisciplinary Sciences > Centre for Nano Science and Engineering
Date Deposited: 01 Jun 2022 05:14
Last Modified: 01 Jun 2022 05:14
URI: https://eprints.iisc.ac.in/id/eprint/69646

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