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Electrothermal soft manipulator enabling safe transport and handling of thin cell/tissue sheets and bioelectronic devices

Authors
 Byoung Soo Kim  ;  Min Ku Kim  ;  Younghak Cho  ;  Eman E Hamed  ;  Martha U Gillette  ;  Hyeongyun Cha  ;  Nenad Miljkovic  ;  Vinay K Aakalu  ;  Kai Kang  ;  Kyung-No Son  ;  Kyle M Schachtschneider  ;  Lawrence B Schook  ;  Chenfei Hu  ;  Gabriel Popescu  ;  Yeonsoo Park  ;  William C Ballance  ;  Seunggun Yu  ;  Sung Gap Im  ;  Jonghwi Lee  ;  Chi Hwan Lee  ;  Hyunjoon Kong 
Citation
 SCIENCE ADVANCES, Vol.6(42) : eabc5630, 2020-10 
Journal Title
SCIENCE ADVANCES
Issue Date
2020-10
Abstract
Living" cell sheets or bioelectronic chips have great potentials to improve the quality of diagnostics and therapies. However, handling these thin and delicate materials remains a grand challenge because the external force applied for gripping and releasing can easily deform or damage the materials. This study presents a soft manipulator that can manipulate and transport cell/tissue sheets and ultrathin wearable biosensing devices seamlessly by recapitulating how a cephalopod's suction cup works. The soft manipulator consists of an ultrafast thermo-responsive, microchanneled hydrogel layer with tissue-like softness and an electric heater layer. The electric current to the manipulator drives microchannels of the gel to shrink/expand and results in a pressure change through the microchannels. The manipulator can lift/detach an object within 10 s and can be used repeatedly over 50 times. This soft manipulator would be highly useful for safe and reliable assembly and implantation of therapeutic cell/tissue sheets and biosensing devices.
Files in This Item:
T9992020182.pdf Download
DOI
10.1126/sciadv.abc5630
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Medical Engineering (의학공학교실) > 1. Journal Papers
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/189961
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