Dear Colleauges,

Modern electronics have evolved from their bulky, rigid origins to be small, soft biomedical gadgets for advancing healthcare platforms. The most representative example among those biomedical devices are ‘tattoo sensors’, which have attracted a great deal of attention in recent years. The tattoo sensor is a kind of artificial or second skin, which is developed to be intimately laminated on the biological skin or epidermal layer, and to collect raw bio-physiological signals by specialized biosensors, to diagnose associated health information using proper electrical circuits, including analysis algorithms, and to treat the revealed disease using desired actuators, such as electrical stimulation and drug delivery. With the help of advanced technologies in materials, mechanics, electronics, chemistry, and computer science research fields, tattoo sensors have been dramatically revolutionized and are much closer to meeting the needs of daily/clinical applications. In this context, this Special Issue invites authors to submit new research results in the area of tattoo sensors. Novel tattoo sensors, successfully conducted with soft materials, stretchable mechanics, thin film electronics, biocompatible designs, and cost-effective manufacturing devices can be addressed. In addition, the use of tattoo sensors combined with other technologies like bio-inspired design, microfluidics, 3D-printing, and nanomaterials are welcome. It also would be excellent if the proposed tattoo sensors are actively used in clinical applications, such as electrophysiological monitoring, optical brain imaging, skin-hydration level sensing, and human–machine interfaces.

Dr. Kyung-In Jang
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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• Bio-patch
• Skin-mountable electronics
• Soft materials and their integration
• Stretchable mechanics
• Biocompatible designs
• Cost-effective manufacturing process
• Clinical applications