High Accuracy Amperometric Sense and Control Circuit for Three-electrode Biosensors

被引：0
|
作者：
Enache, Andrei [1 ]
Rusu, Ion [1 ]
Draghici, Florin [1 ]
Pristavu, Gheorghe [1 ]
Brezeanu, Gheorghe [1 ]
Enache, Florin [2 ]
机构：
[1] Univ Politehn Bucuresti, Bucharest, Romania
[2] Mil Tech Acad, Bucharest, Romania
来源：
ROMANIAN JOURNAL OF INFORMATION SCIENCE AND TECHNOLOGY | 2016年 / 19卷 / 03期
关键词：
biosensor; potentiostat; amperometry; stability; frequency compensation;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
A system used for measuring the concentration of chemical compounds in fluids/solutions is designed, implemented and tested. The system comprises a Sense and Control Circuit formed with a potentiostat for three-electrode electrochemical cell (biosensor) biasing and a transimpedance amplifier for cell current processing. The stability of the potentiostat and the linearity of the transimpedance amplifier are theoretically and experimentally investigated. The high accuracy of the system is demonstrated by simulations and measurements. A comparison with a commercially available system is carried out.
引用
收藏
页码：295 / 308
页数：14
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