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基于纳米酶色度微流体免疫试验的八种呼吸道病毒的多重检测

Feng Wu^1,2, Defeng Cai^1,3, Xueying Shi¹

¹Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China.

Frontiers in bioengineering and biotechnology

|May 31, 2024

概括

一个新的微流体免疫测试芯片能够快速,同时检测八种常见的呼吸道病毒,包括SARS-CoV-2和流感,帮助早期诊断和疾病控制工作.

科学领域:

生物医学工程生物医学工程
传染病诊断传染病诊断传染病诊断
纳米技术纳米技术

背景情况:

像SARS-CoV-2和流感这样的呼吸道病毒导致显著的死亡率.
早期检测对于控制病毒传播至关重要,但由于病毒的多样性和突变而具有挑战性.
目前的检测方法在速度,灵敏度和多重复合能力方面存在局限性.

研究的目的:

开发一种多重微流体免疫试验,用于同时检测八种关键呼吸道病毒.
通过优化纳米酶技术提高检测灵敏度和特异性.
为早期识别病毒感染提供快速准确的诊断工具.

主要方法:

开发一种微流体免疫检测芯片,用于同时检测八种呼吸道病毒.
优化纳米酶 (Au@Pt纳米颗粒) 标签,以提高效率和灵敏度.
针对保存的病毒蛋白的特定抗体的查,以获得高特异性.
使用临床样本验证测试,并与RT-PCR进行比较.

主要成果:

同时检测了八种呼吸道病毒 (流感A/B,RSV,SARS-CoV-2,hBoV,hMPV,腺病毒,hPIV).
病毒蛋白的检测极限为0.1 pg/mL,可在40分钟内用肉眼和微板阅读器检测.
证明了高特异性,在临床样本中的八种病原体之间没有交叉反应.
与RT-PCR相比,高精度,具有97.2%的阳性和94.3%的负性巧合率.

结论:

微流体免疫检测芯片提供了一种方便,快速和敏感的方法,可以同时检测多种呼吸道病毒.
这种方法对早期诊断病毒感染有价值,有助于疾病控制.
该平台的适应性允许通过抗体替换检测其他病原体和生物标志物.

关键词:

免疫测试是一种免疫测试.微流体学在微流体学方面多重检测检测多重检测检测纳米酶纳米酶是一种纳米酶.呼吸道病毒的病毒

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