人工智能辅助大规模并行光谱学自由扩散纳米级实体
Antonín Hlaváček1, Kateřina Uhrová1, Julie Weisová1
1Institute of Analytical Chemistry of the Czech Academy of Sciences, Veveří 97, 602 00 Brno, Czech Republic.
Analytical chemistry
|August 8, 2023
概括
大规模并行光谱 (MPS) 能够对生物结合纳米粒子进行敏感的检测. 这种技术可以观察生物亲和性聚类,并开发具有高特异性的竞争性生物试验.
科学领域:
- 纳米技术纳米技术
- 频谱学是一种光谱学.
- 生物结合的生物结合
背景情况:
- 光子上转换纳米粒子 (UCNPs) 为传感应用提供独特的光学性能.
- 将UCNP与生物分子的生物结合允许有针对性的检测和测定.
- 大规模并行光谱 (MPS) 提供单个纳米粒子的高通量分析.
研究的目的:
- 证明MPS用于分析生物结合UCNP的应用.
- 建立MPS用于生物亲和度测定和复杂矩阵中的检测.
- 在敏感度和特异性方面评估MPS的性能.
主要方法:
- 用Tm3+和Er3+杂的UCNP与生物化BSA或斯特雷普塔维丁结合的制备.
- 大规模并行光谱 (MPS) 用于单个纳米粒子分析.
- MPS数据与整体光谱,电泳和微板测试的相关性.
- 开发一种竞争性的MPS生物亲和度测定,用于生物检测.
主要成果:
- MPS成功分析了生物结合的UCNP,显示了生物 afinity 聚类.
- 生物结合UCNP的检测极限被确定为1.6 fmol L-1.
- 一个竞争性的MPS生物试验实现了6.6nmol L-1的检测极限.
- MPS证明了与复杂的生物矩阵和微流体设备的兼容性.
结论:
- MPS是一种强大的技术,用于单个生物结合纳米粒子的高灵敏度,高通量分析.
- MPS使生物分子相互作用的观察和敏感生物测试的开发成为可能.
- 与微流体学和复杂矩阵的MPS的兼容性扩大了其在诊断和研究中的应用潜力.
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