Shape-memory and self-healing properties of sustainable cellulosic nanofibers-based hybrid materials for novel applications

Khalid, Muhammad Yasir; Arif, Zia Ullah; Al Rashid, Ans; Bukhari, Syed Muhammad Zubair Shah; Hossain, Mokarram; Koç, Muammer

doi:10.1016/j.giant.2024.100299

Giant

2024

DOI: 10.1016/j.giant.2024.100299

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Shape-memory and self-healing properties of sustainable cellulosic nanofibers-based hybrid materials for novel applications

Muhammad Yasir Khalid,

Zia Ullah Arif,

Ans Al Rashid

et al.

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2024

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Cited by 4 publications

References 334 publications

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Preparation of graphene/carbon nanotube-cellulose composites assisted by ionic liquids: A review

Zhao,

Sun,

et al. 2024

International Journal of Biological Macromolecules

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Preparation of graphene/carbon nanotube-cellulose composites assisted by ionic liquids: A review

Zhao,

Sun,

et al. 2024

International Journal of Biological Macromolecules

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On-Demand Removable Chitosan Based Self-Healing and Antibacterial Hydrogel for Delivery of Tetracycline and Curcumin As Potential Wound Dressing Material

Kikani,

Thale,

Thakore

2024

ACS Appl. Bio Mater.

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Wound care is a flourishing branch of healthcare wherein a great amount of research is devoted to develop competent wound dressings. Safe, cost-effective, and biocompatible dressings aid in wound healing without inflicting external trauma and subsequent scar formation. Toward this, we have attempted to develop robust wound dressing material with self-healing and antibacterial properties. We have cross-linked chitosan with 4-formyl phenylboronic acid (4-FPBA) and in situ generated dehydroascorbic acid (DHA) utilizing the dynamic imine and boronate ester linkages. Displaying a channeled microstructure in the SEM micrographs, the hydrogel exhibits a massive water uptake capacity of ∼900% at acidic pH. The hydrogel could completely self-heal within 3 min, and the results are further supported by rheological analysis. By virtue of positive surface charge, it shows a promising tissue adhesive property. Moreover, it affords clean and compliant removal from the wound surface via dissolution induced by dopamine to potentially reduce secondary scarring from peeling of wound dressings. The dressing could significantly act against skin infections caused by S. aureus bacteria with enhanced antimicrobial efficiency via loading of antibiotic drug, tetracycline hydrochloride. A sustained release of tetracycline and Curcumin was observed, which demonstrated the release ability for hydrophilic and hydrophobic bioactive agents. In-vitro studies revealed 93% cell viability with a hemolytic ratio as low as 2.5%, thereby presenting a good self-healing and biocompatible material for wound healing.

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Moisture-Sensitive Fe₂O₃ Nanoparticle-Based Magnetic Soft Actuators

Narendhiran,

Meher,

Midya

et al. 2024

ACS Appl. Nano Mater.

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Multifunctional soft robots are emerging as a new-generation intelligent device for challenging environments. To meet the requirements of smart applications and soft robotics, developing a soft actuator capable of multiple functions and mechanical deformation is essential. In this study, we designed a free-standing magnetic soft actuator constructed from iron oxide (Fe 2 O 3 ) nanoparticles and poly(vinyl alcohol) (PVA), that responds to both moisture and magnetic fields. We used computational modeling (density functional theory and ab initio molecular dynamics) to explain the experimental findings demonstrating the deformation and high-bending angle (∼150°), which is about twice as large under combined moisture and magnetic field exposure compared to their individual effect. Additionally, a flower-shaped soft robot was designed by using the continuous bending deformation of the actuator in response to moisture changes, performing directional bending in an ambient environment. These findings demonstrate the material's sensitivity to moisture and magnetic fields, opening up new possibilities for designing responsive structures in the smart device industry.

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Shape-memory and self-healing properties of sustainable cellulosic nanofibers-based hybrid materials for novel applications

Cited by 4 publications

References 334 publications

Preparation of graphene/carbon nanotube-cellulose composites assisted by ionic liquids: A review

Preparation of graphene/carbon nanotube-cellulose composites assisted by ionic liquids: A review

On-Demand Removable Chitosan Based Self-Healing and Antibacterial Hydrogel for Delivery of Tetracycline and Curcumin As Potential Wound Dressing Material

Moisture-Sensitive Fe₂O₃ Nanoparticle-Based Magnetic Soft Actuators

Contact Info

Product

Resources

About

Shape-memory and self-healing properties of sustainable cellulosic nanofibers-based hybrid materials for novel applications

Cited by 4 publications

References 334 publications

Preparation of graphene/carbon nanotube-cellulose composites assisted by ionic liquids: A review

Preparation of graphene/carbon nanotube-cellulose composites assisted by ionic liquids: A review

On-Demand Removable Chitosan Based Self-Healing and Antibacterial Hydrogel for Delivery of Tetracycline and Curcumin As Potential Wound Dressing Material

Moisture-Sensitive Fe2O3 Nanoparticle-Based Magnetic Soft Actuators

Contact Info

Product

Resources

About

Moisture-Sensitive Fe₂O₃ Nanoparticle-Based Magnetic Soft Actuators