Organic Thin-Film Transistor towards Biomedical Applications

A special issue of Chemosensors (ISSN 2227-9040). This special issue belongs to the section "Applied Chemical Sensors".

Deadline for manuscript submissions: closed (30 December 2021) | Viewed by 11177

Special Issue Editor


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Guest Editor
Department of Electrical and Electronic Engineering, Università degli Studi di Cagliari, Cagliari, Italy
Interests: Bioelectronics; organic electronics; biosensors; chemical sensors; biomedical devices

Special Issue Information

Dear Colleagues,  

Organic thin-film transistors (OTFTs) are attracting rising interest within the context of the development of innovative biochemical sensors. Thanks to the unique qualities of organic materials, OTFTs can be endowed with several characteristics, such as cost-effectiveness, biocompatibility, mechanical flexibility and transparency. OTFT-based sensors have been demonstrated to be effective for the detection of most of biochemical species, and progress in material sciences and processes has significantly increased their reliability and electrical performance. The next challenge for OTFT-based biochemical sensors is therefore represented by the shift from the laboratory environment to real application scenarios.

This Special Issue will explore the most up-to-date research promoting the employment of OTFT-based biochemical sensors in biomedical applications. This includes the detection of biochemical species for the diagnosis of disease (biomarkers) and for biometric monitoring (for occupational and sport medicine), with devices for in vitro testing and for in vivo monitoring, such as wearable sensors. We welcome submissions which consider OTFT-based sensors in the context of both laboratory testing and point-of-care diagnosis.

Dr. Stefano Lai
Guest Editor

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Keywords

  • Organic biochemical sensors
  • Biomarker detection
  • Wearable devices
  • In vitro/in vivo detection
  • Lab-on-chip
  • Wearable sensors
  • Point-of-care testing

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Published Papers (1 paper)

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Review

38 pages, 8664 KiB  
Review
Functionalization Strategies of PEDOT and PEDOT:PSS Films for Organic Bioelectronics Applications
by Gonzalo E. Fenoy, Omar Azzaroni, Wolfgang Knoll and Waldemar A. Marmisollé
Chemosensors 2021, 9(8), 212; https://doi.org/10.3390/chemosensors9080212 - 6 Aug 2021
Cited by 43 | Viewed by 10644
Abstract
Organic bioelectronics involves the connection of organic semiconductors with living organisms, organs, tissues, cells, membranes, proteins, and even small molecules. In recent years, this field has received great interest due to the development of all kinds of devices architectures, enabling the detection of [...] Read more.
Organic bioelectronics involves the connection of organic semiconductors with living organisms, organs, tissues, cells, membranes, proteins, and even small molecules. In recent years, this field has received great interest due to the development of all kinds of devices architectures, enabling the detection of several relevant biomarkers, the stimulation and sensing of cells and tissues, and the recording of electrophysiological signals, among others. In this review, we discuss recent functionalization approaches for PEDOT and PEDOT:PSS films with the aim of integrating biomolecules for the fabrication of bioelectronics platforms. As the choice of the strategy is determined by the conducting polymer synthesis method, initially PEDOT and PEDOT:PSS films preparation methods are presented. Later, a wide variety of PEDOT functionalization approaches are discussed, together with bioconjugation techniques to develop efficient organic-biological interfaces. Finally, and by making use of these approaches, the fabrication of different platforms towards organic bioelectronics devices is reviewed. Full article
(This article belongs to the Special Issue Organic Thin-Film Transistor towards Biomedical Applications)
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