The Dermal Abyss: Interfacing with the Skin by Tattooing Biosensors

Journal: International Symposium on Wearable Computers

Author: Katia Vega, Nan Jiang and Xin Liu et al.

Affiliation: MIT Media Lab, Harvard Medical School

Publication date: 2017.09.11

Summarized by Jinpyeo Jeung

 

– Health monitoring tattoos (Fig. 1)
v. Glucose, pH and Sodium sensor.
v. principle: Using biosensor ink for tattoos.

fig1.png

<Fig. 1>

 

– Biosensors (Fig.2)
v. Sodium biosensor: diaza-15-crown-5. Selectively bind to Na+ ions.
v. pH biosensor: anthocyanin.(Fig. 3)
v. Glucose biosensor: extracted from reagent strips.

fig2.png

<Fig. 2>

fig3.png

<Fig. 3>

 

– Result
v. Glucose biosensor without glucose and with glucose (Fig. 4)
v. pH biosensor at pH 8.0 and pH 7.0 (Fig. 5)
v. Sodium biosensor with 100mmol/L Na+ ions under visible light and UV light (Fig. 6)
v. designs made by a tattoo artist in ex vivo pig skin.(Fig.7)

fig4.png

<Fig. 4>

fig5.png

<Fig. 5>

fig6.png

<Fig. 6>

fig7.png

<Fig. 7>

 

– Application by monitoring health status
v. Diabetes.
v. Dehydration.
v. pH Balance.

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