Biothermal Sensing of a Torsional Artificial Muscle

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dc.contributor.ISNI0000 0003 5232 4253 (Baughman, RH)
dc.contributor.authorLee, Sung-Hoen_US
dc.contributor.authorKim, Tae Hyeoben_US
dc.contributor.authorLima, M©rcio D.en_US
dc.contributor.authorBaughman, Ray H.en_US
dc.contributor.authorKim, Seon Jeongen_US
dc.contributor.utdAuthorLima, M©rcio D.en_US
dc.contributor.utdAuthorBaughman, Ray H.en_US
dc.date.accessioned2016-09-27T20:36:06Z
dc.date.available2016-09-27T20:36:06Z
dc.date.created2016-01-25en_US
dc.date.issued2016-01-25en_US
dc.descriptionSupplementary material availableen_US
dc.description.abstractBiomolecule responsive materials have been studied intensively for use in biomedical applications as smart systems because of their unique property of responding to specific biomolecules under mild conditions. However, these materials have some challenging drawbacks that limit further practical application, including their speed of response and mechanical properties, because most are based on hydrogels. Here, we present a fast, mechanically robust biscrolled twist-spun carbon nanotube yarn as a torsional artificial muscle through entrapping an enzyme linked to a thermally sensitive hydrogel, poly(N-isopropylacrylamide), utilizing the exothermic catalytic reaction of the enzyme. The induced rotation reached an equilibrated angle in less than 2 min under mild temperature conditions (25-37 ⁰C) while maintaining the mechanical properties originating from the carbon nanotubes. This biothermal sensing of a torsional artificial muscle offers a versatile platform for the recognition of various types of biomolecules by replacing the enzyme, because an exothermic reaction is a general property accompanying a biochemical transformation.en_US
dc.description.sponsorshipSupported by the Creative Research Initiative Center for Self-powered Actuation and the Korea–US Air Force Cooperation Program (grant #2013K1A3A1A32035592), Air Force Office of Scientific Research (grants #FA9550-15-1-0089, #AOARD-FA2386-13-4119), NASA (grants #NNX14CS09P, #NNX15CS05C), Robert A. Welch Foundation (grant #AT-0029)en_US
dc.identifier.bibliographicCitationLee, Sung-Ho, Tae Hyeob Kim, Marcio D. Lima, Ray H. Baughman, et al. 2016. "Biothermal sensing of a torsional artificial muscle." Nanoscale 8(6), doi: 10.1039/c5nr07195jen_US
dc.identifier.issn2040-3364en_US
dc.identifier.issue6en_US
dc.identifier.urihttp://hdl.handle.net/10735.1/5084
dc.identifier.volume8en_US
dc.language.isoenen_US
dc.publisherRoyal Soc Chemistryen_US
dc.relation.urihttp://dx.doi.org/10.1039/c5nr07195j
dc.rights©2016 The Royal Society of Chemistry. This article may not be further made available or distributed.en_US
dc.sourceNanoscale
dc.subjectCarbon nanotubesen_US
dc.subjectColloidsen_US
dc.subjectThermistorsen_US
dc.subjectCarbon nanofibersen_US
dc.subjectActuatorsen_US
dc.titleBiothermal Sensing of a Torsional Artificial Muscleen_US
dc.typeText
dc.type.genreArticleen_US

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Baughman, Ray H.
NTI Research