Integrated electronic system for FET biosensor assessment based on current-voltage curve tracing

Q2 Mathematics
Achmad Arif Bryantono, Leonardo Kamajaya, Fitri Fitri, S. Sungkono, Herwandi Herwandi, Agwin Fahmi Fahanani
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引用次数: 0

Abstract

Field-effect transistor (FET) biosensors are pivotal in diverse applications, from environmental monitoring to healthcare diagnostics. Current-voltage (I-V) curve tracing is a powerful method for evaluating FET biosensor behavior, enabling comprehensive analysis of their FET biosensor characteristics. Traditional I-V curve tracing methods often require complex and expensive equipment, limiting their accessibility and practicality for routine sensor assessment. This study aims to develop and demonstrate an integrated electronic system for assessing FET biosensors using I-V curve tracing. The integrated electronic system uses readily available components, including microcontrollers, analog circuitry, and user-friendly software. We developed a compact, low-cost device that generates I-V curves for the FET biosensor. The integrated electronic system successfully generated I-V curves for various FET biosensors. The system demonstrated consistent, reliable performance, portability, and ease of use, making it a practical solution for routine sensor assessment. The average error in measurements using bipolar junction transistors (BJT) and metal-oxide-semiconductor field-effect transistors (MOSFETs) results in 2.62%, and measurements at different pH levels have a sensitivity of 21.6 mV/pH and a linearity of 0.9892. This innovation contributes to the advancement of FET biosensor technology. In the future, the developments should focus on ensuring their accuracy and reliability in various sensor fields.
基于电流-电压曲线追踪的 FET 生物传感器评估集成电子系统
从环境监测到医疗诊断,场效应晶体管(FET)生物传感器在各种应用中都起着举足轻重的作用。电流-电压(I-V)曲线追踪是评估场效应晶体管生物传感器行为的有力方法,可对其场效应晶体管生物传感器特性进行全面分析。传统的 I-V 曲线追踪方法通常需要复杂而昂贵的设备,限制了其在常规传感器评估中的可及性和实用性。本研究旨在开发和演示一种集成电子系统,用于利用 I-V 曲线追踪法评估 FET 生物传感器。该集成电子系统使用现成的元件,包括微控制器、模拟电路和用户友好型软件。我们开发了一种结构紧凑、成本低廉的设备,可生成场效应晶体管生物传感器的 I-V 曲线。集成电子系统成功生成了各种场效应晶体管生物传感器的 I-V 曲线。该系统性能稳定可靠,携带方便,易于使用,是常规传感器评估的实用解决方案。使用双极结晶体管(BJT)和金属氧化物半导体场效应晶体管(MOSFET)进行测量的平均误差为 2.62%,不同 pH 值的测量灵敏度为 21.6 mV/pH,线性度为 0.9892。这一创新有助于推动场效应晶体管生物传感器技术的发展。今后的发展重点应是确保其在各种传感器领域的准确性和可靠性。
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来源期刊
CiteScore
2.90
自引率
0.00%
发文量
782
期刊介绍: The aim of Indonesian Journal of Electrical Engineering and Computer Science (formerly TELKOMNIKA Indonesian Journal of Electrical Engineering) is to publish high-quality articles dedicated to all aspects of the latest outstanding developments in the field of electrical engineering. Its scope encompasses the applications of Telecommunication and Information Technology, Applied Computing and Computer, Instrumentation and Control, Electrical (Power), Electronics Engineering and Informatics which covers, but not limited to, the following scope: Signal Processing[...] Electronics[...] Electrical[...] Telecommunication[...] Instrumentation & Control[...] Computing and Informatics[...]
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