Monthly Archives: May 2018

Functional, RF-Trilayer Sensors for Tooth-Mounted, WirelessMonitoring of the Oral Cavity and Food Consumption

Journal: Advanced Materials

Authors: P. Tseng and F. G. Omenetto et al.

Affiliation: Tufts University (U.S.A.)

Publication date: 2018.03.23

Summarized by Inyeol Yun

 

– Structure
v. Au-Ti-(interlayer)-Ti-Au
v. 2 mm x 2 mm size

fig1.png

Fig. 1

fig2.png

Fig. 2

 

– Result
v. S11 change of various solvents and solutions (Fig. 3)
v. Resonant frequency vs. glucose concentration (Fig. 4)
v. Resonant frequency vs. temperature and pH (Fig. 5)

fig3.png

Fig. 3

fig4.png

Fig. 4

fig5

Fig. 5

 

– Measurement
v. In-vitro : HP 8753E impedance analyzer
v. In-vivo : miniVNA (Fig. 6)

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Fig. 6

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Gauging force by tapping tendons

Journal: Nature Communications

Authors: J. Martin and D. G. Thelen et al.

Affiliation: University of Wisconsin-Madison (USA)

Publication date: 2018.04.23

Summarized by Inyeol Yun

 

– Principle

v. tapping tendons à vibration velocity change such as guitar!!

fig1

Fig. 1

 

– Result
v. High load  High wave speed (Fig. 2)
v. Achilles wave speed vs. ankle torque (Fig. 3)
v. Wave speed vs. running speed (Fig. 4)

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Fig. 2

fig3

Fig. 3

fig4.png

Fig. 4