Borophene Based 3D Extrusion Printed Nanocomposite Hydrogel for Antibacterial and Controlled Release Application

Advanced Functional Materials, Год журнала: 2024, Номер 34(21)

Опубликована: Янв. 30, 2024

Abstract Herein, a borophene/zinc oxide (BZ) nanocomposite is synthesized through straightforward one‐step solvothermal process, avoiding the need for any rigorous reducing agent. The BZ nanocomposites are introduced into semi‐interpenetrating polymer networks to form hydrogels via in situ UV triggered free radical gelation during three‐dimensional (3D) microextrusion printing. exhibit mechanical robustness, high compressibility, pH sensitivity, and microporosity. diffusion behavior of hydrogel shows combination swelling molecular chain relaxation based on its water uptake kinetics. Hydrogels tested environments over multiple cycles ensure structural integrity. rheological assessment proves their elasticity. uniaxial properties support toughness zero permanent set resulting elastomeric soft matrix. cyclic compression test up 100 has negligible data deviations calculating moduli (≈24 kPa). non‐toxic found be effective bactericidal materials both Gram‐positive Gram‐negative bacteria. demonstrates pH‐responsive time‐dependent payload release behavior, suggesting potential as matrix drug carrier biomedical research. To best authors knowledge, this first report BZ‐based biomaterial with antibacterial serving an excellent controlled delivery device.

Язык: Английский

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MXene-Based Elastomer Mimetic Stretchable Sensors: Design, Properties, and Applications

Nano-Micro Letters, Год журнала: 2024, Номер 16(1)

Опубликована: Фев. 27, 2024

Abstract Flexible sensors based on MXene-polymer composites are highly prospective for next-generation wearable electronics used in human–machine interfaces. One of the motivating factors behind progress flexible is steady arrival new conductive materials. MXenes, a family 2D nanomaterials, have been drawing attention since last decade due to their high electronic conductivity, processability, mechanical robustness and chemical tunability. In this review, we encompass fabrication MXene-based polymeric nanocomposites, structure–property relationship, applications sensor domain. Moreover, our discussion not only limited design, mechanism, various modes sensing platform, but also future perspective market throughout world. With article, intend fortify bond between matrices MXenes thus promoting swift advancement MXene-sensors technologies.

Язык: Английский

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Fluorescent quantum dots-based hydrogels: Synthesis, fabrication and multimodal biosensing

Talanta Open, Год журнала: 2023, Номер 8, С. 100243 - 100243

Опубликована: Июль 8, 2023

Hydrogels have a significant impact on the fields of biological study and medical diagnosis. They are becoming more useful in bioanalytical biosensing applications. The intriguing new nanomaterials quantum dots-hydrogel composites gained lot interest because their unmatched biocompatibility tolerable biodegradability, which opens up wide range possible Focusing synthesis techniques, this review describes current developments composites, such as hydrogel gelation dots (QDs) solution, inserting prepared QDs into hydrogels after gelation, generating situ inside preformed gel, cross-linking through QDs. Biomedical applications bioimaging specifically examined, then inherent problems design optimisation, biocompatibility, bimodal applications, well potential future development, discussed.

Язык: Английский

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Carrageenan-based active and intelligent packaging films integrated with anthocyanin and TiO2-doped carbon dots derived from sweet potato peels

International Journal of Biological Macromolecules, Год журнала: 2024, Номер 259, С. 129371 - 129371

Опубликована: Янв. 14, 2024

Язык: Английский

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Superparamagnetic Amine-Functionalized Maghemite Nanoparticles as a Thixotropy Promoter for Hydrogels and Magnetic Field-Driven Diffusion-Controlled Drug Release

ACS Applied Nano Materials, Год журнала: 2024, Номер 7(5), С. 5272 - 5286

Опубликована: Фев. 21, 2024

Superparamagnetic nanoparticle-arrested hydrogel matrices have immense significance in smart soft biomaterials. Herein, we report the synthesis of superparamagnetic nanoparticle-loaded magneto-responsive tough elastomeric hydrogels for dual-responsive drug delivery. In first phase work, carried out room-temperature amine-functionalized iron oxide nanoparticles (IONPs), and second demonstrated that IONPs could act as a toughening agent well viscosity modifier poly(acrylic acid-co-hydroxyethyl methacrylate) copolymer hydrogels. The was tested by Fourier transformed infrared (FTIR) spectroscopy, X-ray photoelectron spectroscopy (XPS), continuous-wave-electron paramagnetic resonance (CW-EPR). Moreover, affect its gelation time elasticity significantly, which also evaluated from rheological behavior. compressive mechanical strength (∼120 kPa), elasticity, recovery to original shape (zero permanent set), water uptake, thixotropic behavior under dynamic stress hybrid supported robustness swelled state. release showed dual parameter dependency (IONPs cross-linker) responsiveness against both pH static magnetic field. delayed network rupturing, delivery nature, noncytotoxic human live cells promote this an ideal alternative remotely controlled vehicle.

Язык: Английский

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Heteroatom co-doping (N, NS, NB) on carbon dots and their antibacterial and antioxidant properties

Surfaces and Interfaces, Год журнала: 2024, Номер 46, С. 103857 - 103857

Опубликована: Янв. 11, 2024

Язык: Английский

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Recent Progress in Folic Acid Detection Based on Fluorescent Carbon Dots as Sensors: A Review

Journal of Fluorescence, Год журнала: 2024, Номер unknown

Опубликована: Апрель 16, 2024

Язык: Английский

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Fluorescent carbon dots in situ polymerized biodegradable semi-interpenetrating tough hydrogel films with antioxidant and antibacterial activity for applications in food industry

Food Chemistry, Год журнала: 2024, Номер 447, С. 138905 - 138905

Опубликована: Март 4, 2024

Язык: Английский

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Silicene‐Based Quantum Dots Nanocomposite Coated Functional UV Protected Textiles With Antibacterial and Antioxidant Properties: A Versatile Solution for Healthcare and Everyday Protection

Advanced Healthcare Materials, Год журнала: 2025, Номер unknown

Опубликована: Янв. 5, 2025

Abstract The predominant adverse health effects in care delivery result from hospital‐acquired (nosocomial) infections, which impose a substantial financial burden on global healthcare systems. Integrating contact‐killing antibacterial action, gas permeability, and antioxidant properties into textile coatings offers transformative solution, significantly enhancing both medical everyday protective applications. This study presents an innovative, pollution‐free physical compounding method for creating fluorescent biopolymer composite embedded with silicene‐based heteroatom‐doped carbon quantum dots the production of functional textiles. resulting coated fabric shows superior ultraviolet (UV) protection behavior (UV A UV B ), thermal stability, breathability, mechanical strength, capabilities as demonstrated by 2,2‐diphenyl‐1‐picrylhydrazyl (DPPH) experiment (>78%) 2,2'‐azino‐bis(3‐ethylbenzothiazoline‐6‐sulphonic acid) ABTS assay (>90%). Rigorous testing against gram positive negative bacteria confirms that has excellent activity. Results time‐dependent assays indicate nanocomposite can markedly inhibit bacterial proliferation within few hours. Molecular dynamics modeling, conjunction experimental investigations, is employed to elucidate intermolecular interactions influencing components treated cotton fabrics. ongoing research creation cost‐effective smart substrates aimed at inhibiting microbial contamination applications, possibly rendering them commercially viable.

Язык: Английский

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Multifunctional Carbon Dots In Situ Confined Hydrogel for Optical Communication, Drug Delivery, pH Sensing, Nanozymatic Activity, and UV Shielding Applications

Advanced Healthcare Materials, Год журнала: 2025, Номер unknown

Опубликована: Янв. 5, 2025

Abstract Inspired by the emerging potential of photoluminescent hydrogels, this work unlocks new avenues for advanced biosensing, bioimaging, and drug delivery applications. Carbon quantum dots (CDs) are deemed particularly promising among various optical dyes, enhancing polymeric networks with superior physical chemical properties. This study presents synthesis CDs derived from Prunella vulgaris , a natural plant resource, through single‐step hydrothermal process, followed their uniform integration into hydrogel matrices via an in situ free radical graft polymerization. The resulting CD‐integrated hydrogels exhibit multifunctionality biomedical applications, featuring diffusion‐controlled release mechanism, permit concurrent therapeutic agents, enabling real‐time monitoring over 32 h. In addition, these function as broad‐range pH sensor (pH 3–11), provide robust ultraviolet (UV) shielding, demonstrate nanozyme‐like peroxidase activity. Critically, biocompatibility tests confirm non‐cytotoxicity toward fibroblast cells, establishing candidates diverse These include wound dressings that monitor healing process detect infection sensing, promote nanozymatic activity, all while maintaining moist microenvironment. exceptional suitability smart delivery, effective UV‐blocking, innovative platforms vivo sensing bioimaging.

Язык: Английский

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