Biomedical Engineering on Smart Polymeric Nanoparticle-Hydrogel Platforms for Efficient Antibiotic Delivery against Bacterial-Infected Wounds.

IF 5.4 2区医学 Q2 MATERIALS SCIENCE, BIOMATERIALS ACS Biomaterials Science & Engineering Pub Date : 2025-02-20 DOI:10.1021/acsbiomaterials.4c02045

Jiahao Xu, Dongzhe Zou, Enyu Dong, Xingyu Jiang, Shuo Xu, Yusheng Xiao, Wensheng Gong, Yini Xu, Zenan Zeng, Kefurong Deng, Yachao Li, Xianghui Xu

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Abstract

The rising incidence of bacterial infections poses a significant challenge to global public health. The development of safe and effective antibacterial treatment strategies is an urgent need in the field of biomedicine. In this work, we developed a smart nanoparticle-hydrogel platform to address bacterial infections in wounds. Rifampicin-loaded chitosan-functionalized nanoparticles (R-CNP) could break bacterial barriers and enhance antibiotic internalization. R-CNP reduced the minimum inhibitory concentration of rifampicin against Staphylococcus aureus and greatly enhanced the bactericidal effect of rifampicin. Furthermore, R-CNP was incorporated into thermosensitive hydrogels (HG) to construct HG(R-CNP) for enhanced antibiotic accumulation and wound protection. In the mouse model with a bacterial-infected wound, treatment with R-CNP reduced the bacterial content by 98.5% as compared to treatment with free rifampicin. Therefore, this smart nanoparticle-hydrogel platform constructed by FDA-approved or natural polymers, offers significant therapeutic efficacy on bacterial-infected wounds, showing great promise for clinical translation.

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来源期刊

ACS Biomaterials Science & Engineering Materials Science-Biomaterials

CiteScore

10.30

自引率

3.40%

发文量

413

期刊介绍： ACS Biomaterials Science & Engineering is the leading journal in the field of biomaterials, serving as an international forum for publishing cutting-edge research and innovative ideas on a broad range of topics: Applications and Health – implantable tissues and devices, prosthesis, health risks, toxicology Bio-interactions and Bio-compatibility – material-biology interactions, chemical/morphological/structural communication, mechanobiology, signaling and biological responses, immuno-engineering, calcification, coatings, corrosion and degradation of biomaterials and devices, biophysical regulation of cell functions Characterization, Synthesis, and Modification – new biomaterials, bioinspired and biomimetic approaches to biomaterials, exploiting structural hierarchy and architectural control, combinatorial strategies for biomaterials discovery, genetic biomaterials design, synthetic biology, new composite systems, bionics, polymer synthesis Controlled Release and Delivery Systems – biomaterial-based drug and gene delivery, bio-responsive delivery of regulatory molecules, pharmaceutical engineering Healthcare Advances – clinical translation, regulatory issues, patient safety, emerging trends Imaging and Diagnostics – imaging agents and probes, theranostics, biosensors, monitoring Manufacturing and Technology – 3D printing, inks, organ-on-a-chip, bioreactor/perfusion systems, microdevices, BioMEMS, optics and electronics interfaces with biomaterials, systems integration Modeling and Informatics Tools – scaling methods to guide biomaterial design, predictive algorithms for structure-function, biomechanics, integrating bioinformatics with biomaterials discovery, metabolomics in the context of biomaterials Tissue Engineering and Regenerative Medicine – basic and applied studies, cell therapies, scaffolds, vascularization, bioartificial organs, transplantation and functionality, cellular agriculture