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手持式生物传感器系统基于梯度格周期引导模式共振装置.

Chien Chieh Chiang1, Wen-Chun Tseng1, Wen-Tsung Tsai1

  • 1Department of Mechanical Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan.

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|January 22, 2024
PubMed
概括

这项研究引入了一种新的手持式生物传感器,使用梯度格周期引导模式共振 (GGP-GMR) 传感器来准确检测分析物. GGP-GMR生物传感器实现了批量溶液和多重分析物的低检测极限.

科学领域:

  • * 光子学和传感器技术
  • * 生物医学工程 * 生物医学工程
  • * 分析化学 分析化学

背景情况:

  • *手持式生物传感器对于疾病诊断,药物监测和环境传感至关重要.
  • *传统的引导模式共振 (GMR) 传感器在精确的分析量化方面存在局限性.
  • *梯度格期 (GGP) 设计为增强生物感知能力提供了潜力.

研究的目的:

  • * 开发和验证一种使用GGP-GMR传感器的新型手持生物传感器.
  • * 调查光学元件和基板材料的优化,以提高传感器性能.
  • * 评估批量溶液和多重分析物的检测极限 (LOD).

主要方法:

  • *制造一个带有嵌入式GGP-GMR传感器的光流体芯片.
  • * 集成了一种发光二极管 (LED) 光源,光学和一个互补的金属氧化物半导体 (CMOS) 探测器.
  • *优化LED光束角度,带通波器,基板折射率和波导厚度.

主要成果:

  • * GGP-GMR生物传感器在批量解决方案中实现了1.09 × 10-3 RIU的检测极限 (LOD).
  • *多重检测的专蛋白和肌氨酸表明LOD分别为0.66微克/毫升和0.61微克/毫升.
关键词:
专辑蛋白 (albumin) 是一种肌氨酸是什么意思 肌氨酸是什么意思导向模式共振的指导模式.手持式生物传感器设备有光学生物传感器.

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  • *优化的光学参数和基板材料增强了暗带质量和图像分析准确性.

    • 结论:

    • *开发的手持式GGP-GMR生物传感器为分析物检测提供了灵敏而准确的平台.
    • * 在共振波长和格子周期之间的线性关系使得精确的度监测.
    • * 这项技术对治疗点诊断和实时环境监测具有前景.