Recent advances of biomass-based smart hydrogel Actuators: A review

Chemical Engineering Journal, Год журнала: 2024, Номер 498, С. 155157 - 155157

Опубликована: Авг. 25, 2024

Язык: Английский

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Injectable and 3D Extrusion Printable Hydrophilic Silicone-Based Hydrogels for Controlled Ocular Delivery of Ophthalmic Drugs

ACS Applied Bio Materials, Год журнала: 2024, Номер 7(9), С. 6286 - 6296

Опубликована: Сен. 3, 2024

While silicone elastomers have found widespread use in the biomedical industry, 3D printing them has proven to be difficult due material's slow drying time, low viscosity, and hydrophobicity. Herein, we arrested hydrophilic (HS) macrochains into a semi-interpenetrating polymer network (semi-IPN) via an

Язык: Английский

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Synthetic and natural polymer hydrogels: A review of 3D spheroids and drug delivery

International Journal of Biological Macromolecules, Год журнала: 2024, Номер 280, С. 136126 - 136126

Опубликована: Сен. 28, 2024

Язык: Английский

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Nature-inspired miniaturized magnetic soft robotic swimmers

Applied Physics Reviews, Год журнала: 2024, Номер 11(2)

Опубликована: Апрель 24, 2024

State-of-the-art biomedical applications such as targeted drug delivery and laparoscopic surgery are extremely challenging because of the small length scales, requirements wireless manipulation, operational accuracy, precise localization. In this regard, miniaturized magnetic soft robotic swimmers (MSRS) attractive candidates since they offer a contactless mode operation for path maneuvering. Inspired by nature, researchers have designed these small-scale intelligent machines to demonstrate enhanced swimming performance through viscous fluidic media using different modes propulsion. review paper, we identify classify nature-inspired basic that been optimized over large evolutionary timescales. For example, ciliary like Paramecium Coleps covered with tiny hairlike filaments (cilia) beat rhythmically coordinated wave movements propulsion gather food. Undulatory spermatozoa midge larvae use traveling body waves push surrounding fluid effective highly environments. Helical bacteria rotate their slender whiskers (flagella) locomotion stagnant viscid fluids. Essentially, all three employ nonreciprocal motion achieve spatial asymmetry. We provide mechanistic understanding magnetic-field-induced spatiotemporal symmetry-breaking principles adopted MSRS at scales. Furthermore, theoretical computational tools can precisely predict magnetically driven deformation fluid–structure interaction discussed. Here, present holistic descriptive recent developments in smart material systems covering wide spectrum fabrication techniques, design, applications, strategies, actuation, modeling approaches. Finally, future prospects promising systems. Specifically, synchronous tracking noninvasive imaging external agents during vivo clinical still remains daunting task. experimental demonstrations mostly limited vitro ex phantom models where dynamics testing conditions quite compared conditions. Additionally, multi-shape morphing multi-stimuli-responsive modalities active structures demand further advancements 4D printing avenues. Their multi-state configuration an solid-fluid continuum would require development multi-scale models. Eventually, adding multiple levels intelligence enhance adaptivity, functionalities, reliability critical applications.

Язык: Английский

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Copper nanoparticles loaded gelatin/ polyvinyl alcohol/ guar gum-based 3D printable multimaterial hydrogel for tissue engineering applications

International Journal of Biological Macromolecules, Год журнала: 2024, Номер 276, С. 133866 - 133866

Опубликована: Июль 14, 2024

Язык: Английский

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