可见光刺激的奇托稳定纳米酶用于三模光催化,类似铁灭菌的抗菌作用,以及在水果汁加工中快速检测双模 Askorbic 酸
Yue-Xin Zhao1, Yi-Ran Wang1, An-Qi Wang1
1School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang, 310035, China.
International journal of biological macromolecules
|October 1, 2025
概括
这项研究引入了素稳定纳米粒子 (CS@SeNPs),作为无金属光子酶. 这些纳米粒子表现出强大的光激活抗菌和抗菌膜活性,增强食品安全,并使生物传感应用成为可能.
科学领域:
- 纳米技术纳米技术
- 生物材料科学 生物材料科学
- 光催化作用的光催化
背景情况:
- 开发用于抗微生物应用的新型纳米材料至关重要.
- 无金属纳米材料在生物相容性和降低毒性方面具有优势.
- 具有光刺激的催化活性的光子酶是针对微生物的向无活化的一个有希望的方法.
研究的目的:
- 合成和特征化基稳定纳米粒子 (CS@SeNPs) 作为无金属的光子酶.
- 在可见蓝光照射下评估CS@SeNPs的抗菌和抗菌膜疗效.
- 探索CS@SeNPs在食品安全和生物感知方面的潜在应用.
主要方法:
- 绿色减少方法用于合成CS@SeNPs.
- CS@SeNPs的形态,大小和稳定性的表征.
- 评估光刺激的氧化酶类 (OXD类) 催化活性.
- 对抗细菌和生物膜的抗菌和抗菌膜活性的评估.
- 开发一种双模式生物传感器,用于检测酸.
主要成果:
- CS@SeNPs表现出均的球形形态 (61 nm) 和高体稳定性 (+27.7 mV).
- 光激活的CS@SeNPs在5-15分钟内通过ROS生成,协同膜不稳定,光催化失活 (PCI) 和铁样细胞死亡来证明强大的抗菌和抗菌膜消除.
- 实际应用表明,CS@SeNPs可以提高水果的保存和水的消毒.
- 开发了一种敏感的双模式色度和度生物传感器,用于检测 Askorbic 酸 (AA).
结论:
- CS@SeNPs代表了一种新的,无金属的光子酶,具有显著的抗菌和抗菌膜能力.
- 光激活的机制涉及ROS生成和多个细胞死亡途径.
- CS@SeNPs对食品安全应用和作为生物感知平台具有前景.
- 这种多功能纳米平台为整合酶仿真和抗菌疗效提供了一种新的策略.
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