基于聚合诱导发光探针的侧流免疫试验,用于同时定量检测IL-6/PCT
Rong He1, Yanjie Zhu2, Weiping Zhou2
1School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, China; Zhongshan Research Institute, Changchun University of Science and Technology, Zhongshan 528437, China; State Key Laboratory of Electromagnetically Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.
一种新的侧流免疫试验使用新型发光纳米颗粒来同时检测互白素-6 (IL-6) 和前素 (PCT). 这种测试有助于区分细菌和病毒感染,以改善早期诊断.
科学领域:
- 生物医学工程 生物医学工程
- 纳米技术 纳米技术
- 临床诊断 临床诊断 临床诊断
背景情况:
- 准确区分细菌和病毒感染对于早期临床决策至关重要.
- 干白素-6 (IL-6) 和前素 (PCT) 是用于感染诊断的关键炎症生物标志物.
- 传统的光探针面临诸如聚合引起的火 (ACQ) 等局限性.
研究的目的:
- 开发一种可靠的侧流免疫试验 (LFIA),用于同时检测IL-6和PCT.
- 使用新型聚合诱导排放 (AIE) 纳米颗粒来克服ACQ的限制.
- 为在临床环境中更好地区分感染类型提供一个工具.
主要方法:
- 用AIE探头封装的聚合诱导发光纳米粒子 (BTA@PS) 的开发.
- 结合BTA@PS纳米粒子与针对IL-6和PCT的特定抗体.
- 实施BTA@PS-LFIA平台,用于同时定量生物标志物.
主要成果:
- 同时量化IL-6和PCT,实现了出色的线性.
- 检测范围:IL-6 (2-8000 pg/mL) 和PCT (0.04-30 ng/mL) 的检测范围.
- 低变化系数 (<5%) 和在血清样本中卓越的检测能力.
结论:
- 开发的BTA@PS-LFIA是一个稳定有效的工具,用于同时检测IL-6和PCT.
- 这种方法显示出快速和准确的感染临床诊断的巨大潜力.
- AIE纳米粒子方法克服了传统光探针的局限性.
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