Biosensors Applications Based on Field-Effect Transistors Technologies

A special issue of Biosensors (ISSN 2079-6374). This special issue belongs to the section "Nano- and Micro-Technologies in Biosensors".

Deadline for manuscript submissions: closed (31 July 2021) | Viewed by 7607

Special Issue Editor

Special Issue Information

Dear Colleagues,

Field-effect-transistor (FET) type biosensors have attracted the attention of researchers in academia and industry for various applications, including early detection of COVID-19. Considerable progress has been attained in designing FET devices, such as ion selective field effect transistor (ISFET) and bio-FET, especially for biomedical diagnosis and cell-based assays in the past few decades. The exceptional electronic properties, compactness, and scalability of these novel tools are very desirable for the rapid, label-free, and mass detection of biomolecules. A FET biosensor consists of a FET device coated with a recognition element. A recognition element can be antibody, aptamer, DNA probes or other types of enzymes or proteins.

This Special Issue shall consider the publication of research or review papers that address the challenge of developing FET-based sensors for clinical diagnostics of various diseases such as bacteria-related disease, acute myocardial infarction (AMI), cancer, Alzheimer’s disease (AD), coronavirus disease 2019 (COVID-19), influenza, hepatitis B virus (HBV), and Malaria. This Special Issue will address the design, implementation, modelling, characterization, validation, and/or optimization of FET-based biosensors using standard microelectronic technology, such as complementary metal oxide semiconductors (CMOS) and other microfabrication technologies.

Prof. Dr. Ebrahim Ghafar-Zadeh
Guest Editor

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Keywords

  • FET
  • CMOS
  • biosensors
  • ISFET
  • BioFET
  • COVID-19
  • infectious diseases

Published Papers (1 paper)

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Review

50 pages, 9389 KiB  
Review
Recent Advances of Field-Effect Transistor Technology for Infectious Diseases
by Abbas Panahi, Deniz Sadighbayan, Saghi Forouhi and Ebrahim Ghafar-Zadeh
Biosensors 2021, 11(4), 103; https://0-doi-org.brum.beds.ac.uk/10.3390/bios11040103 - 02 Apr 2021
Cited by 44 | Viewed by 7078
Abstract
Field-effect transistor (FET) biosensors have been intensively researched toward label-free biomolecule sensing for different disease screening applications. High sensitivity, incredible miniaturization capability, promising extremely low minimum limit of detection (LoD) at the molecular level, integration with complementary metal oxide semiconductor (CMOS) technology and [...] Read more.
Field-effect transistor (FET) biosensors have been intensively researched toward label-free biomolecule sensing for different disease screening applications. High sensitivity, incredible miniaturization capability, promising extremely low minimum limit of detection (LoD) at the molecular level, integration with complementary metal oxide semiconductor (CMOS) technology and last but not least label-free operation were amongst the predominant motives for highlighting these sensors in the biosensor community. Although there are various diseases targeted by FET sensors for detection, infectious diseases are still the most demanding sector that needs higher precision in detection and integration for the realization of the diagnosis at the point of care (PoC). The COVID-19 pandemic, nevertheless, was an example of the escalated situation in terms of worldwide desperate need for fast, specific and reliable home test PoC devices for the timely screening of huge numbers of people to restrict the disease from further spread. This need spawned a wave of innovative approaches for early detection of COVID-19 antibodies in human swab or blood amongst which the FET biosensing gained much more attention due to their extraordinary LoD down to femtomolar (fM) with the comparatively faster response time. As the FET sensors are promising novel PoC devices with application in early diagnosis of various diseases and especially infectious diseases, in this research, we have reviewed the recent progress on developing FET sensors for infectious diseases diagnosis accompanied with a thorough discussion on the structure of Chem/BioFET sensors and the readout circuitry for output signal processing. This approach would help engineers and biologists to gain enough knowledge to initiate their design for accelerated innovations in response to the need for more efficient management of infectious diseases like COVID-19. Full article
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