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A complementary impedance spectroscopy biosensing method with graphene

delete2026-04-08
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OA
AI
M
Munis Khan
I
Ivan Mijakovic̀
S
Santosh Pandit *
A
A. Yurgens *
DOI:10.1016/j.bios.2026.118679delete
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摘要

摘要

En 中文
• 通过石墨烯通道的复数交流阻抗 \( Z=X+iY \) 对分析物诱导的变化进行敏感检测。 • 该方法与经典的电化学阻抗谱(EIS)类似,但电流是沿石墨烯通道横向流动,而非通过EIS电极间的电解质。 • 引入了一个新的指标 \( Y/X^2 \)。该指标表现出优异的基线稳定性,非常适合用于石墨烯生物传感器的可靠生物标志物检测。
Keyword:
Graphene field-effect transistor
AC impedance
Y/X2-metric
Baseline stability
Functional-layer capacitance
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期刊

Biosensors and Bioelectronics 封面图
Biosensors and Bioelectronics
IF:
10.5
论文数:
1.8W
被引数:
7.7W

机构

C
chalmers university of technology
学者数:
1.5W
论文数: 1.6W
被引数: 10
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