Antibacterial nanomaterial, preparation method thereof, antibacterial method and application thereof
By preparing core-shell structured nanomaterials that combine peroxidase-mimicking activity and photothermal activity, the problems of high cost and complex preparation of existing antibacterial nanomaterials have been solved, achieving highly efficient antibacterial effects and making them suitable for environmental and food applications.
CN122397752APending Publication Date: 2026-07-17ZHAOQING UNIV
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- ZHAOQING UNIV
- Filing Date
- 2026-04-14
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing antibacterial nanomaterials are expensive to prepare, complex to prepare, and their antibacterial effects need to be improved, which limits their large-scale and low-cost production.
Method used
Antibacterial nanomaterials with a core-shell structure, including a noble metal core and a ruthenium oxide shell, possess both peroxidase-mimicking activity and photothermal activity. They achieve antibacterial effects by catalyzing the generation of reactive oxygen species from H2O2 and/or by applying laser irradiation.
Benefits of technology
It achieves highly efficient antibacterial effects, simplifies the preparation process, reduces costs, and broadens the application range of antibacterial nanomaterials, making them suitable for environmental and food applications.
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Figure CN122397752A_ABST
Abstract
本发明涉及一种抗菌纳米材料及其制备方法、抗菌方法及其应用，其中，抗菌纳米材料包括核壳结构的纳米颗粒；所述核壳结构包括贵金属核部和钌氧化物壳层；所述纳米颗粒中贵金属、钌和氧的原子比为34‑38：20‑22：40‑44；所述抗菌纳米材料同时具备过氧化物酶模拟活性与光热活性。其有益效果是，制备纳米材料用于抗菌时表现出高效的抗菌效果，可用于环境、食品等领域协同抗菌，具有较高的实践应用价值。
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