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Special Issue "Tattoo Sensors"

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Biosensors".

Deadline for manuscript submissions: closed (31 January 2019).

Special Issue Editors

Prof. Kyung-In Jang
Guest Editor
Department of Robotics Engineering, Daegu Gyeongbuk Institute of Science and Technology
Prof. Dr. Young Min Song
Guest Editor
School of Electrical Engineering and Computer Science, Gwangju Institute of Science and Technology, Gwangju 61005, Korea
Interests: bio-inspired photonics and optoelectronics, including subwavelength nanophotonic structures; insect’s eye cameras; bio-resolvable image sensors, and epidermal neural optic devices

Special Issue Information

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 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 papers will be 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.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sensors is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2000 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.


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

Published Papers (1 paper)

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Open AccessArticle
One-Step Laser Patterned Highly Uniform Reduced Graphene Oxide Thin Films for Circuit-Enabled Tattoo and Flexible Humidity Sensor Application
Sensors 2018, 18(6), 1857; - 06 Jun 2018
Cited by 8
The conversion of graphene oxide (GO) into reduced graphene oxide (rGO) is imperative for the electronic device applications of graphene-based materials. Efficient and cost-effective fabrication of highly uniform GO films and the successive reduction into rGO on a large area is still a [...] Read more.
The conversion of graphene oxide (GO) into reduced graphene oxide (rGO) is imperative for the electronic device applications of graphene-based materials. Efficient and cost-effective fabrication of highly uniform GO films and the successive reduction into rGO on a large area is still a cumbersome task through conventional protocols. Improved film casting of GO sheets on a polymeric substrate with quick and green reduction processes has a potential that may establish a path to the practical flexible electronics. Herein, we report a facile deposition process of GO on flexible polymer substrates to create highly uniform thin films over a large area by a flow-enabled self-assembly approach. The self-assembly of GO sheets was successfully performed by dragging the trapped solution of GO in confined geometry, which consisted of an upper stationary blade and a lower moving substrate on a motorized translational stage. The prepared GO thin films could be selectively reduced and facilitated from the simple laser direct writing process for programmable circuit printing with the desired configuration and less sample damage due to the non-contact mode operation without the use of photolithography, toxic chemistry, or high-temperature reduction methods. Furthermore, two different modes of the laser operating system for the reduction of GO films turned out to be valuable for the construction of novel graphene-based high-throughput electrical circuit boards compatible with integrating electronic module chips and flexible humidity sensors. Full article
(This article belongs to the Special Issue Tattoo Sensors)
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