在临床样本中对真菌生物标记物的定量评估,使用模拟接口的光纤生物传感器进行评估
Pengwei Chen1,2, Haotian Wu1,2, Yajing Zhao3,4
1Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Institute of Photonics Technology, Jinan University, Guangzhou, 511443, China.
Advanced materials (Deerfield Beach, Fla.)
|February 19, 2024
概括
一个新的光纤生物传感器可以快速,灵敏地检测真菌感染生物标志物. 这种治疗点检测 (POCT) 工具显著减少了诊断时间,并提高了早期疾病检测的准确性.
科学领域:
- 生物医学工程 生物医学工程
- 光学传感传感器是什么?
- 传染病诊断 传染病诊断 传染病诊断
背景情况:
- 侵袭性真菌感染是一个主要的公共卫生问题,高死亡率往往与延迟或不准确的诊断有关.
- 目前用于真菌感染的诊断方法经常耗时,昂贵,需要专门的实验室设置,阻碍了早期的护理点检测.
研究的目的:
- 开发一种高度敏感和快速的光纤生物传感器,用于早期定量检测真菌感染生物标志物.
- 为了使入侵性真菌感染的临床检测 (POCT) 成为可能,改善诊断及时性和患者的治疗结果.
主要方法:
- 设计了一种调节接口的光纤生物传感器,集成表面折射率 (RI) 调节和等离子增强,用于更优质的分析物检测.
- 传感器被优化为具有高灵敏度和对生物样本中菌生物标记物的定向响应.
主要成果:
- 开发的光纤传感器表现出快速响应时间 (30分钟),特殊的灵敏度,稳定性和特异性.
- 生物传感器在动物模型中成功识别了真菌病原体生物标志物,并准确量化了临床血液样本,区分了阳性和阴性病例.
- 实现了检测极限 (LOD),比现有方法低三倍,克服了当前诊断的局限性.
结论:
- 这种创新型生物传感器提供了一种具有成本效益,稳定性和高度敏感性的解决方案,用于在护理地点早期诊断入侵性真菌感染.
- 这项技术显著减少了检测时间和错误诊断率,比传统的治疗真菌感染方法提供了关键的进步.
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