一个闭环生物电子补丁,用于智能血压管理
Yuyan Zou1, Zeguo Chen2, Bowen Jin1
1Hunan Provincial Key Laboratory of Micro and Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China.
Science advances
|August 6, 2025
概括
本研究介绍了一种智能血压管理系统 (BPMS),用于实时监测和干预. 该系统使用微针来输送氧化 (NO),从而实现心血管疾病管理的按需血管扩张.
科学领域:
- 生物医学工程 生物医学工程
- 纳米技术纳米技术
- 心血管医学 心血管医学
背景情况:
- 心血管疾病是导致死亡的主要原因,通常是由于药物干预的延迟.
- 目前的治疗方法缺乏实时监测和适应性治疗反应.
- 需要创新的系统来持续管理血压.
研究的目的:
- 开发一种智能血压管理系统 (BPMS),用于实时监测和适应性干预.
- 创建一个闭环框架,集成传感器,控制电路和微针电极,用于精确的NO输送.
- 为了研究一种新的微针架构对按需血管扩张的有效性.
主要方法:
- 设计了一个分层的微针架构,采用金纳米粒子 (Au NP) 电催化剂和铜胺碳纳米带 (Cu-NC NB) 纳米酶.
- 使用电流 (EOF) 机制,增强氧化 (NO) 输送到4mm.
- 闭环BPMS框架的集成传感器和控制电路.
- 在子和猪身上进行了体内研究,以评估血液动力学控制.
主要成果:
- 在BPMS中,证明了对血压波动的反应中NO释放的动态调节.
- 通过按需血管扩张实现实时血液动力学控制.
- 多孔微针 (PMN) 阵列促进了有效的血管透和NO扩散.
- 在动物模型中成功验证了系统的有效性.
结论:
- 开创了一种闭环策略,用于持续监测血压和按需血管扩张.
- 开发的BPMS为智能心血管疾病管理提供了一种变革性的方法.
- 这种基于微针的新型NO输送系统显示了治疗应用的巨大潜力.
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