2021年5月10日 · In this work, we demonstrate the first electrolyte gated field-effect transistor (FET) DNA biosensor implemented on commercially fabricated PCB in a planar layout. Graphene ink was drop-casted to...

Field effect transistor (FET) is an essential electronic component to compose an active device fabricated with combinations of gate, drain, and source. The source and drain are the electrodes which are the starting and arrival point of the charge carrier, and the gate is …

2025年3月18日 · This study presents the development and optimization of a versatile, highly sensitive bioFET platform utilizing a biotin–neutravidin affinity system capable of detecting both DNA and proteins. The bioFET was constructed using an extended-gate field-effect transistor (EGFET) with an aluminum gate functionalized with (3-aminopropyl ...

2023年1月16日 · In this article, we present a brief overview of the CNT Field-Effect Transistor-based Biosensors, its working principle and its different types such as ENFET, ImmunoFET, DNA FET and Cell-based FET. The working principle of an n-channel CNT ISFET, the basic block of the BioFET is also discussed in brief. The use of CNT as a conducting channel is ...

Bio-FETs are classified based on the bio recognition element used for detection: En-FET which is an enzyme-modified FET, Immuno-FET which is an immunologically modified FET, DNA-FET which is a DNA-modified FET, CPFET which is cell-potential FET, beetle/chip FET …

2016年2月29日 · This paper presents a graphene-based bio-field-effect transistor (bioFET) for the detection of avian influenza A virus subtype H7 gene. This bioFET was realized by directly assembling capture probes on graphene surface via n-n stacking interaction. The extended long capture probes is a simple and stable biofunctionalization strategy.

2022年5月30日 · In this study, we proposed a Si nanowire field-effect transistor (Si-NW Bio-FET) device chemically modified with specific antibodies for the electrical and label-free detection of exosomes.

基于双电层 (EDL) 门控场效应晶体管的生物传感器 (BioFET) 作为即时检测设备，展示了其高灵敏度、便携性、高选择性、快速响应和易用性。 将特别设计的单链DNA探针固定在延伸的栅电极上，结合大肠杆菌的目标互补DNA片段，导致漏极电流在几分钟内急剧变化。

DNA-sensing BioFETs have been developed using a variety of different approaches, and DNA detection in extremely low concentrations has been demonstrated. This review paper provides an exhaustive review of major recent developments in BioFET research for DNA sensing.

Exploiting the unique advantage of a highly charge-sensitive silicon-based BioFET, they successfully distinguished wild-type (WT) from mutant (MT) DNA in ESR1 p.E380Q and p.Y537S targets in a completely label-free method. FET biosensors demonstrate high sensitivity, allowing for the detection of low analyte concentrations.