单次使用的微针生物传感器用于检测间歇性液体中临床相关的葡萄糖
Khaled Mohammed Saifullah1, Zahra Faraji Rad2
1School of Engineering, University of Southern Queensland, Queensland, 4300, Australia.
Biosensors & bioelectronics
|January 14, 2026
概括
这项研究介绍了一种新的微针生物传感器,用于在间歇性液体中进行最小侵入性葡萄糖监测. 该系统可从小量的液体中提供可靠的葡萄糖量化,从而推进了糖尿病管理技术.
科学领域:
- 生物医学工程 生物医学工程
- 生物传感器是一种生物传感器.
- 糖尿病 技术 技术
背景情况:
- 目前的糖尿病管理依赖于侵入性方法或复杂的设备.
- 需要在间歇性液体 (ISF) 中进行最小侵入性,可靠的葡萄糖监测.
研究的目的:
- 开发和验证使用微针 (MN) 和印电极 (SPE) 进行ISF葡萄糖监测的完整生物传感系统.
- 为了优化ISF收集和评估生物传感器的性能.
主要方法:
- 一个新的可膨胀生物相容的微针阵列与化学修饰的印电极相结合.
- 使用可变振动的定制应用器优化了ISF收集.
- 生物传感器的性能在体外和体外使用普鲁士蓝/花素-SWCNT/GOx/Nafion修饰的SPEs进行了评估.
主要成果:
- 优化的ISF采集在5分钟内产生了高达7.06μL的产量.
- 修改后的SPE显示出高灵敏度 (12.26 μA mM-1 cm-2),低检测极限 (0.08 mM),具有很好的选择性.
- 在体外和体外测试显示强烈的线性 (R2 = 0.989和0.978) 和良好的恢复率.
结论:
- 最少侵入性的MN SPE平台可以从微升ISF体积中可靠量化葡萄糖.
- 这项技术显示出未来多种生物标志物,关怀点糖尿病监测的巨大潜力.
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