Exploration of elastomeric and polymeric liquid crystals with photothermal actuation: a review.
Rastogi, Prasansha; Njuguna, James; Kandasubramanian, Balasubramanian
Professor James Njuguna email@example.com
Balasubramanian Kandasubramanian firstname.lastname@example.org
Recent research in soft materials is an exhilarating category which has been transcending boundaries for variety of functional applications. This category also stems liquid crystals whose stimuli-responsive feature has fantasized researchers for application arrays in actuators and biomedical. Liquid crystals evince dual characteristics of liquid and solids empowering them to reversibly transit on external actuation. The after-effect of irradiating photons on liquid crystals (LC) facilitate outlying functioning and are engineered with gold nanorods, dyes, graphene and carbon nanotubes among others which greets to incoming stimulus and participates in transference of light energy to perceivable transformation through heat drive. This is progressively explored in medical domain for drug delivery, tissue engineering, cancer treatment, and other disciplines of medicine and bio-mimicking. Additionally, photothermal trigger equips localized punctilious treatment outshining diffusion assisted heating and enables spot treatment. However, LC utilization is burgeoning towards 3D printing, characterizing it as 4D Printing. Present review framework probes LC and its photothermal actuation chemistry in the medical domain. Furthermore, it reflects on LC potential in smart manufacturing in 3D/4D printing, its challenges (limited concentration of filler, its miscibility, and actuation cycle fatigue) and future likelihood.
|Journal Article Type||Article|
|Publication Date||Dec 31, 2019|
|Journal||European Polymer Journal|
|Peer Reviewed||Peer Reviewed|
|Institution Citation||RASTOGI, P., NJUGUNA, J. and KANDASUBRAMANIAN, B. 2019. Exploration of elastomeric and polymeric liquid crystals with photothermal actuation: a review. European polymer journal [online], 121, article ID. 109287. Available from: https://doi.org/10.1016/j.eurpolymj.2019.109287|
|Keywords||Liquid crystals; Photothermal; Biomedical; 3D/4D printing; Gold nanorods; Azobenzene|
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