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

    Fingerprint

    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

    Chandra Sahoo, S., Nath, N. K., Zhang, L., Semreen, M. H., Al-Tel, T. H., & Naumov, P. (2014). Actuation based on thermo/photosalient effect: A biogenic smart hybrid driven by light and heat. RSC Advances, 4(15), 7640-7647. https://doi.org/10.1039/c3ra46688d

    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 S, Nath NK, Zhang L, Semreen MH, Al-Tel TH, Naumov P. Actuation based on thermo/photosalient effect: A biogenic smart hybrid driven by light and heat. RSC Advances. 2014 Jan 29;4(15):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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