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一种用于检测alpha-fetoprotein的新型化学发光传感器,该传感器基于aptamer-luminol修饰的磁石石烯氧化物和基于铜的MOF复合材料
Juntao Liu1, Xueying Wang2, Yuanling Sun2
1Henan University of Animal Husbandry and Economy, Zhengzhou 450046, China.
Analytical methods : advancing methods and applications
|August 14, 2024
概括
开发了一种新的"打开"化学发光传感器,用于检测alpha-fetoprotein (AFP). 这种基于aptamer的新型系统为血清样本中AFP检测提供了高灵敏度和选择性.
科学领域:
- 生物医学工程 生物医学工程
- 分析化学 分析化学
- 材料科学 材料科学 材料科学
背景情况:
- 阿尔法-胎蛋白 (AFP) 是诊断肝脏疾病和某些癌症的关键生物标志物.
- 现有的AFP检测方法往往在灵敏度,选择性或复杂性方面面临限制.
- 为AFP开发快速,灵敏和特定的诊断工具具有重要的临床意义.
研究的目的:
- 开发一种新的目标触发式触发器.
- 打开,打开,打开,打开.
- 化学发光 (CL) 传感器用于敏感和选择性的α-fetoprotein (AFP) 检测.
- 为了提高传感性能,利用综合材料集成磁石烯氧化物,阿普坦,醇和铜基金属有机框架 (MOFs).
- 建立一种可靠的方法来检测血清等生物样本中的AFP.
主要方法:
- 复合材料的制备:aptamer-luminol修饰的磁石烯氧化物和基于铜的MOF (MGO-cDNA/Apt-luminol和ZnONPs-Au@CuMOFs).
- 制造一个基于特定的aptamer-AFP结合和随后的luminol-H2O2反应催化由ZnONPs-Au@CuMOFs.
- 传感器性能的表征,包括选择性,灵敏性,可重现性和稳定性,并应用于血清样本分析.
主要成果:
- 开发的传感器展示了一个
- 打开,打开,打开,打开.
- 由AFP的存在引发的化学发光反应.
- 为AFP实现了1.0 × 10-4-50 ng mL-1的广泛线性检测范围.
- 获得的低检测极限为4.2 × 10-5 ng mL-1,表明高灵敏度.
- 呈现出优异的选择性,可重复性和稳定性,并成功应用于在人类血清样本中检测AFP.
结论:
- 一种新的,有效的基于阿普坦的化学发光传感器已成功开发出来,用于检测AFP.
- 传感器利用独特的复合材料和目标触发机制来提高灵敏度和特异性.
- 这种已确定的方法在诊断与AFP相关的疾病方面具有很大的临床应用潜力.
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