使用先进的3D等离子双金属合金纳米架构为基础的SERS生物传感器结合机器学习用于多个分析物识别,快速和差异性诊断败血症阶段
Woo Hyun Kim1, Sungwoo Lee2,3, Myeong Jin Jeon1
1Department of Chemical and Biological Engineering, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea.
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|February 17, 2025
概括
使用金银合金纳米柱的新型生物传感器通过分析免疫蛋白质,快速准确地诊断出败血症和败血性休克. 机器学习提高了分类准确性,以便及时治疗患者.
科学领域:
- 纳米技术纳米技术
- 生物医学工程 生物医学工程
- 分析化学 分析化学
背景情况:
- 准确诊断感染,败血症和败血性休克对于患者的生存和抗生素管理至关重要.
- 目前的诊断方法可能很慢,阻碍了及时的治疗决策.
- 对于败血症和败血症休克,需要快速,灵敏和特定的诊断工具.
研究的目的:
- 开发一个3D黄金纳米颗粒装饰的金银合金纳米柱 (AuNG@Au-AgNP) 基面增强拉曼散射 (SERS) 生物传感器.
- 在血清中定量分析与免疫相关的可溶蛋白 (CD123,PD-L1,HLA-DR,ChiT) 以进行差异诊断.
- 利用机器学习提高诊断性能,对败血症严重程度进行分类.
主要方法:
- 使用化氧化 (AAO) 制造3D双金属纳米架构.
- 使用SERS对四种与免疫相关的蛋白质进行定量分析.
- 支持矢量机 (SVM) 算法的应用用于数据分析和分类.
主要成果:
- 生物传感器显示了低检测极限 (4-6 fM) 和高信号一致性 (RSD = 1.79%).
- SVM算法在分类健康对照,感染,败血症和败血性休克方面实现了95.0%的准确性和95.8%的精度.
- 开发的生物传感器提供了一种快速,简单和可复制的多分析物识别方法.
结论:
- 基于纳米架构的3D等离子双金属合金SERS生物传感器在临床上对败血症诊断和严重程度评估非常有用.
- 这项技术使得及时和个性化的治疗策略成为可能.
- 该研究强调了先进的纳米材料和机器学习在传染病诊断中的潜力.
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