Actuation based on thermo/photosalient effect: A biogenic smart hybrid driven by light and heat

Subash Chandra Sahoo, Naba K. Nath, Lidong Zhang, Mohamad H. Semreen, Taleb H. Al-Tel, Pance Naumov

Research output: Contribution to journalArticle

Abstract

Aimed at the design of efficient smart actuating materials, we have fabricated a self-actuating material that sets the platform for conceptually new, hybrid biocompatible actuators capable of dual mechanical response - by changes in temperature and by stimulation with weak ultraviolet or blue visible light. We demonstrate herein that microcrystallites of thermosalient and photosalient (leaping) solids can effectively utilize thermal or light energy and act as a robust and dynamically active "skeleton" to actuate sodium caseinate films as an elastic, flexible, biocompatible, natural protein matrix, similar to artificial muscle. The spectroscopic, kinematic and mechanical profiles of the new material are all consistent with a mechanism whereby the cooperative strains induced by reshaping and motions of the thermosalient crystals trigger macroscopic mechanical deformation of the matrix. The elastic medium absorbs the stress, thus providing reinforcing feedback to the brittle crystals. The hybrid material conveniently combines fast energy absorption and conversion within single crystals and elasticity of polymers and displays a remarkable improvement in the tensile properties relative to the non-doped caseinate. Being based on natural protein, this thermally and photoresponsive artificial muscle is also biologically compatible and environmentally benign.

Original languageEnglish (US)
Pages (from-to)7640-7647
Number of pages8
JournalRSC Advances
Volume4
Issue number15
DOIs
StatePublished - Jan 29 2014

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Muscle
Proteins
Crystals
Intelligent materials
Hybrid materials
Energy absorption
Caseins
Tensile properties
Energy conversion
Elasticity
Polymers
Kinematics
Actuators
Sodium
Single crystals
Feedback
Temperature
Hot Temperature

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Actuation based on thermo/photosalient effect : A biogenic smart hybrid driven by light and heat. / Chandra Sahoo, Subash; Nath, Naba K.; Zhang, Lidong; Semreen, Mohamad H.; Al-Tel, Taleb H.; Naumov, Pance.

In: RSC Advances, Vol. 4, No. 15, 29.01.2014, p. 7640-7647.

Research output: Contribution to journalArticle

Chandra Sahoo, S, Nath, NK, Zhang, L, Semreen, MH, Al-Tel, TH & Naumov, P 2014, 'Actuation based on thermo/photosalient effect: A biogenic smart hybrid driven by light and heat', RSC Advances, vol. 4, no. 15, pp. 7640-7647. https://doi.org/10.1039/c3ra46688d
Chandra Sahoo, Subash ; Nath, Naba K. ; Zhang, Lidong ; Semreen, Mohamad H. ; Al-Tel, Taleb H. ; Naumov, Pance. / Actuation based on thermo/photosalient effect : A biogenic smart hybrid driven by light and heat. In: RSC Advances. 2014 ; Vol. 4, No. 15. pp. 7640-7647.
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