PMID- 35976817
OWN - NLM
STAT- MEDLINE
DCOM- 20221014
LR  - 20221102
IS  - 1940-9990 (Electronic)
IS  - 1932-4545 (Linking)
VI  - 16
IP  - 4
DP  - 2022 Aug
TI  - Seamless Capacitive Body Channel Wireless Power Transmission Toward Freely Moving 
      Multiple Animals in an Animal Cage.
PG  - 714-725
LID - 10.1109/TBCAS.2022.3199455 [doi]
AB  - Unstable wireless power transmission toward multiple living animals in an animal 
      cage is one of the significant barriers to performing long-term and real-time 
      neural monitoring in preclinical research. Here, seamless capacitive body channel 
      (SCB) wireless power transmission (WPT) along with power management integrated 
      circuit (PMIC) is designed using a standard 65 nm CMOS process. The SCB WPT 
      enables stable wireless power transmission toward multiple 35 mmx20 mmx2 mm sized 
      receivers (RXs) attached to freely moving animals in a 600 mmx600 mmx120 mm sized 
      animal cage. By utilizing fringe-field capacitance and a body channel for 
      wireless power link between the cage and RXs, the maximum difference in all 
      measured power efficiencies in diverse scenarios is only 6.66 % with a 20 mW 
      load. Even with a 90 ( degrees ) RX rotation against the cage, power efficiency marks 
      17.76 %. Furthermore, an in-vivo experiment conducted with three untethered rats 
      demonstrates the capability of continuous long-term power delivery in practical 
      situations.
FAU - Chang, Yonghee
AU  - Chang Y
FAU - Jang, Juntae
AU  - Jang J
FAU - Cho, Jaeouk
AU  - Cho J
FAU - Lee, Jingu
AU  - Lee J
FAU - Son, Yeonzu
AU  - Son Y
FAU - Park, Seongjun
AU  - Park S
FAU - Kim, Chul
AU  - Kim C
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
DEP - 20221012
PL  - United States
TA  - IEEE Trans Biomed Circuits Syst
JT  - IEEE transactions on biomedical circuits and systems
JID - 101312520
SB  - IM
MH  - Animals
MH  - Electric Capacitance
MH  - *Electric Power Supplies
MH  - Equipment Design
MH  - Rats
MH  - *Wireless Technology
EDAT- 2022/08/18 06:00
MHDA- 2022/10/15 06:00
CRDT- 2022/08/17 13:33
PHST- 2022/08/18 06:00 [pubmed]
PHST- 2022/10/15 06:00 [medline]
PHST- 2022/08/17 13:33 [entrez]
AID - 10.1109/TBCAS.2022.3199455 [doi]
PST - ppublish
SO  - IEEE Trans Biomed Circuits Syst. 2022 Aug;16(4):714-725. doi: 
      10.1109/TBCAS.2022.3199455. Epub 2022 Oct 12.