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乳微球侧流免疫测试用基于智能手机的设备快速检测Cryptococcus

Xuelei Zang¹, Yangyu Zhou², Shuming Li³

¹Department of Respiratory and Critical Care, Emergency and Critical Care Medical Center, Beijing Shijitan Hospital, Capital Medical University, Beijing, 100038, China; Shandong Second Medical University, Weifang, 261053, China.

|November 24, 2024

概括

一个新的智能手机集成的护理点测试 (POCT) 平台提供使用乳微球快速检测Cryptococcus. 这种先进的侧流免疫试验 (LFIA) 显示了早期诊断的高灵敏度和准确性.

科学领域:

菌类学菌类学是指菌类学.
生物技术是生物技术.
医学诊断医学诊断医学诊断

背景情况:

加密球菌 (Cryptococcus) 是一种影响人类健康的重大病原性真菌.
目前的Cryptococcus检测方法缺乏及时诊断和治疗所需的速度和准确性.
传统诊断的局限性阻碍了Cryptococcus感染的有效管理.

研究的目的:

开发一种新的护理点检测 (POCT) 平台,用于快速,定性和定量检测Cryptococcus.
将侧流免疫试验 (LFIA) 与智能手机技术相结合,以实现可访问的诊断.
增强Cryptococcus的诊断能力,改善早期检测和患者的治疗结果.

主要方法:

使用乳微球 (LMs) 作为标签探针开发LFIA带.
整合LFIA带与智能手机成像和人工智能 (AI) 算法进行定量分析.
使用临床样本验证平台,并评估与常见病原体的交叉反应性.

主要成果:

与AuNPs-LFIA相比,LM-LFIA带实现了3000 CFU/mL的检测极限,显示出更高的灵敏度.
人工智能算法能够从智能手机图像中对Cryptococcus进行准确的定量分析,R2达到0.91.
该平台与24多种常见病原体没有交叉反应,并且在血清样本中显示出良好的可行性,恢复率从90.0%到108%.

结论:

开发的智能手机集成POCT平台为Cryptococcus提供了一个快速而敏感的诊断工具.
这项技术为早期诊断和有效治疗Cryptococcus感染提供了有前途的方法.
这项研究为应用这种诊断平台来检测其他传染病原体奠定了基础.

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