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铁烯酸化合物作为强大的多功能电化学aptamer-based传感器的替代氧化标签

Gyeongho Kim¹, Soo Eun Park², Woohyeong Lee²

¹Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan 46241, Korea.

|December 4, 2024

概括

铁烯基化合物Fc1a-X提供了优越的性能,作为电化学阿巴基 (E-AB) 传感器的氧化还原标签,显示了增强的耐用性和pH不敏感性. 这一进步使得在复杂的生物样本 (如血清) 中能够灵敏地检测多克索鲁比辛.

科学领域:

电化学电化学电化学
生物传感器是一种生物传感器.
纳米材料是一种纳米材料.

背景情况:

基于电化学体 (E-AB) 的传感器对于敏感的分析物检测至关重要.
甲蓝 (MB) 是一种常见的氧化还原标签,但其性能可能受到限制.
需要开发替代的,更强大的氧化还原标签,以提高E-AB传感器的功能.

研究的目的:

评估具有交叉链接组的铁 (Fc) 化合物作为E-AB传感器的潜在氧化还原标签.
为了比较Fc化合物与甲基蓝 (MB) 的性能.
为了确定一个优越的基于Fc的氧化还原标签,以提高传感器的灵敏度,稳定性和多功能性.

主要方法:

合成和表征七种具有交叉连接功能的铁化合物.
评估交叉连接效率,形式潜力 (E0') 和电化学耐用性.
在金电极上将Fc化合物 (Fc1a-X) 连接到氨酸终端单层.
在各种条件下使用正方形波电压计进行电化学分析,包括血清.
使用开发的E-AB传感器检测多克索鲁比.

主要成果:

化合物Fc1a-X表现出卓越的性能,包括高效的交叉链接和适度的,对pH不敏感的形式潜力 (0.14V vs Ag/AgCl).
与MB相比,Fc1a-X在重复的潜在扫描中表现出更强的电化学耐用性,并在血清中保持稳定的峰值电流超过12小时.
使用Fc1a-X的E-AB传感器在临床范围内成功检测了血清中的多克索鲁比辛.

结论:

Fc1a-X是E-AB传感器的有希望的替代氧化还原标签,因为它具有高效的交叉连接,最佳和稳定的电化学性能,以及卓越的耐用性.
开发的基于Fc1a-X的E-AB传感器为检测复杂生物矩阵中的分析物提供了强度,多功能性和高灵敏度.
这项工作为开发下一代E-AB传感器的开发铺平了道路,这些传感器具有更好的性能特性.

关键词:

德克索鲁比辛 (doxorubicin) 是一种药物.基于APTAMER的电化学传感器铁烯酸铁烯酸铁烯酸铁烯酸是什么甲基烯蓝色是什么意思氧化还原标签氧化还原标签

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