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Bioinspired Composite Microfibers for Skin Adhesion and Signal Amplification of Wearable Sensors

2017

Article

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A facile approach is proposed for superior conformation and adhesion of wearable sensors to dry and wet skin. Bioinspired skin-adhesive films are composed of elastomeric microfibers decorated with conformal and mushroom-shaped vinylsiloxane tips. Strong skin adhesion is achieved by crosslinking the viscous vinylsiloxane tips directly on the skin surface. Furthermore, composite microfibrillar adhesive films possess a high adhesion strength of 18 kPa due to the excellent shape adaptation of the vinylsiloxane tips to the multiscale roughness of the skin. As a utility of the skin-adhesive films in wearable-device applications, they are integrated with wearable strain sensors for respiratory and heart-rate monitoring. The signal-to-noise ratio of the strain sensor is significantly improved to 59.7 because of the considerable signal amplification of microfibrillar skin-adhesive films.

Author(s): Drotlef, Dirk-M and Amjadi, Morteza and Yunusa, Muhammad and Sitti, Metin
Journal: Advanced Materials
Volume: 29
Number (issue): 28
Pages: 1701353
Year: 2017
Month: May
Day: 19

Department(s): Physische Intelligenz
Research Project(s):
Bibtex Type: Article (article)

DOI: 10.1002/adma.201701353
Note: Back Cover

BibTex

@article{drotlef2017bioinspired,
  title = {Bioinspired Composite Microfibers for Skin Adhesion and Signal Amplification of Wearable Sensors},
  author = {Drotlef, Dirk-M and Amjadi, Morteza and Yunusa, Muhammad and Sitti, Metin},
  journal = {Advanced Materials},
  volume = {29},
  number = {28},
  pages = {1701353},
  month = may,
  year = {2017},
  note = {Back Cover},
  month_numeric = {5}
}