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Microbial Biosensors01:17

Microbial Biosensors

Microbial biosensors are analytical devices that utilize living microbes to detect specific substances through measurable signals. These devices consist of two main components: biosensing organisms and signal-transducing elements. Biosensing organisms, such as Escherichia coli or Saccharomyces cerevisiae, are typically housed in multiwell plates connected to transducers, enabling rapid, real-time detection of target analytes.Signal Generation MechanismWhen a target analyte—such as...

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相关实验视频

Updated: Jun 13, 2026

Hollow Microneedle-based Sensor for Multiplexed Transdermal Electrochemical Sensing
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生物启发的无机器人传感器平台,用于最小侵入性的生物医学传感.

Yizong Li1, Amro Halwah1, Shah R A Bhuiyan1

  • 1Department of Mechanical Engineering, Stony Brook University, Stony Brook, New York 11794 United States.

ACS applied materials & interfaces
|December 5, 2023
PubMed
概括

这项研究引入了一种以蛇为灵感的柔软基里加米机器人,用于微创生物医学传感. 机器人有效地部署体内传感器进行实时监测,展示了诊断胃食道逆流症等疾病的潜力.

科学领域:

  • 生物医学工程 生物医学工程
  • 机器人技术 机器人技术 机器人技术
  • 材料科学 材料科学 材料科学

背景情况:

  • 传统的体内生物医学传感方法 (以导管/探针为基础) 是侵入性的,不舒服的,并且对长期监测有限.
  • 现有的植入式传感器需要进行侵入性安置程序,这对持续的健康跟踪构成了挑战.

研究的目的:

  • 开发一种无软机器人,能够进行最小入侵的传感器部署和实时无线监控.
  • 以蛇的运动为灵感,创造一种新的运动机制,以增强体内的传感器传递.

主要方法:

  • 设计了一个柔软的kirigami机器人,利用kirigami图案进行不对称的tribological特性,模仿蛇皮运动.
  • 与机器人集成的被动传感器用于体内部署和实时数据采集.
  • 测试了机器人的部署能力,负载能力,运动速度和环境适应性 (跨越障碍物,多式联运运动).

主要成果:

  • 基里加米机器人展示了高负载能力 (150倍自身重量) 和有效的机动 (0.25体长/步).
  • 该机器人表现出多式联动运动能力,包括穿越障碍物,湿/干机动,爬和反向爬行.
  • 概念验证证明了用于胃食道逆流病诊断的实时阻抗监测.
关键词:
生物灵感的生物灵感生物医学传感传感器胃食道逆流的诊断 胃食道逆流的诊断基里加米 (Kirigami) 是一个古老的城市.被动传感器是一种被动传感器.软机器人 软机器人 软机器人

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结论:

  • 开发的软基里加米机器人为微创生物医学传感和长期体内监测提供了有前途的解决方案.
  • 该平台可实现精确的传感器部署和安全放置,用于连续收集数据.
  • 机器人的多功能性和性能为内部医学中先进的诊断工具铺平了道路.