缺陷增强的压电和纳米zymatic协同催化用于深度细菌治疗治疗
Chao Peng1,2, Wenting Wu1,2, Huixiang Huo1,2
1State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China.
ACS nano
|June 4, 2025
概括
添加的Bi4O5Br2纳米系统通过促进活性氧物种的产生和类似酶的活性来增强深层感染的焦催化疗法. 这种双模式的方法显示出对治疗具有挑战性的生物膜和传染病的希望.
科学领域:
- 生物医学工程 生物医学工程
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
背景情况:
- Piezocatalytic 疗法显示出由于超声波激活和ROS生成的深层组织感染的潜力.
- 目前的局限性包括低于最佳的带隙,弱压电和不足的活跃站点.
- 现有的策略在复杂的微环境中与氧气依赖和有效性作斗争.
研究的目的:
- 开发一个改进的 piezocatalytic 纳米系统,用于增强深治疗.
- 通过兴奋剂工程来解决当前热催化材料的局限性.
- 研究用于对抗生物膜的联合压电和类似酶的催化效应.
主要方法:
- 易于对Bi4O5Br2纳米系统 (Bi4O5Br2@Ru) 进行 (Ru) 原子注.
- 带隙,压电反应和氧气空缺的表征.
- 在超声波下评估类似过氧化酶 (POD) 和类似催化酶 (CAT) 的活性.
- 评估ROS生成 (·OH,1O2,·O2-),谷氨酸耗尽和缺氧缓解.
- RNA转录组分析以确认代谢途径干扰.
主要成果:
- 鲁剂优化了带隙,显著增强了压电反应和类似酶的活动.
- Bi4O5Br2@Ru通过增强的CAT类活性产生了多个ROS并减轻了缺氧.
- 该物质诱导了谷氨的耗尽,并通过三碳酸循环扰乱了生物膜能量代谢.
- 超声波激活Bi4O5Br2@Ru表明了强大的压催化和酶模仿治疗效应.
结论:
- 兴奋剂工程提供了一种双模式的治疗策略,结合了压电和类似酶的催化.
- Bi4O5Br2@Ru纳米系统在治疗根深蒂固的传染病,特别是生物膜方面显示出显著的前景.
- 这种方法克服了传统催化疗法的关键局限性.
更多相关视频
06:06Adjunctive Diode Laser Therapy and Probiotic Lactobacillus Therapy in the Treatment of Periodontitis and Peri-Implant Disease
Published on: May 9, 2022
2.6K
10:35Novel Diagnostics in Revision Arthroplasty: Implant Sonication and Multiplex Polymerase Chain Reaction
Published on: December 3, 2017
11.2K
相关概念视频
01:27Combined Effects of Drugs: Synergism
4.9K
Synergism is a useful mechanism where combining two or more drugs is more effective than each constituent used alone. Such combinations are also called supra-additive interactions. The drugs collectively enhance the final therapeutic effect by acting on different targets. Another advantage is that the low dose of each constituent drug is sufficient to achieve the desired effect. This helps reduce the duration of therapy and lower the adverse effects of these drugs.
Such synergistic combinations...
Such synergistic combinations...
4.9K
01:28Gene Regulation in Microbial Communities: Quorum Sensing
99
Quorum sensing is a mechanism of bacterial communication that enables coordinated gene expression in response to changes in population density. This facilitates collective behaviors that enhance survival, resource acquisition, and ecological adaptation. This process relies on small signaling molecules called autoinducers that accumulate as bacterial populations grow. When a critical threshold concentration of autoinducers is reached, bacterial cells collectively modify gene expression,...
99