Carbon Nanotube Yarn-Based Glucose Sensing Artificial Muscle
- Authors
- Lee, Junghan; Ko, Sachan; Kwon, Cheong Hoon; Lima, Marcio D.; Baughman, Ray H.; KIM, SEON JEONG
- Issue Date
- Apr-2016
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- artificial muscles; carbon nanotube yarns; glucose sensors; nanogels
- Citation
- SMALL, v.12, no.15, pp.2085 - 2091
- Indexed
- SCIE
SCOPUS
- Journal Title
- SMALL
- Volume
- 12
- Number
- 15
- Start Page
- 2085
- End Page
- 2091
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/23833
- DOI
- 10.1002/smll.201503509
- ISSN
- 1613-6810
- Abstract
- Boronic acid (BA), known to be a reversible glucose-sensing material, is conjugated to a nanogel (NG) derived from hyaluronic acid biopolymer and used as a guest material for a carbon multiwalled nanotube (MWNT) yarn. By exploiting the swelling/deswelling of the NG that originates from the internal anionic charge changes resulting from BA binding to glucose, a NG MWNT yarn artificial muscle is obtained that provides reversible torsional actuation that can be used for glucose sensing. This actuator shows a short response time and high sensitivity (in the 5-100 x 10(-3)m range) for monitoring changes in glucose concentration in physiological buffer, without using any additional auxiliary substances or an electrical power source. It may be possible to apply the glucose-sensing MWNT yarn muscles as implantable glucose sensors that automatically release drugs when needed or as an artificial pancreas.
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