Notice of retraction
Vol. 32, No. 8(2), S&M2292

ISSN (print) 0914-4935
ISSN (online) 2435-0869
Sensors and Materials
is an international peer-reviewed open access journal to provide a forum for researchers working in multidisciplinary fields of sensing technology.
Sensors and Materials
is covered by Science Citation Index Expanded (Clarivate Analytics), Scopus (Elsevier), and other databases.

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Extended-gate-type Organic Field-effect Transistors for the Detection of Potential Psychological Stress Markers

Pierre Didier, Hans Blomenkamp, Riku Kubota, Yui Sasaki, and Tsuyoshi Minami

(Received August 31, 2020; Accepted October 13, 2020)

Keywords: organic field-effect transistor, biosensor, extended-gate-type electrode, psychological stress biomarkers

Organic field-effect transistors (OFETs) are promising electronic devices owing to their attractive features such as a low cost, solution processability, and ease of use. In this regard, we have fabricated extended-gate-type OFETs functionalized with natural molecular recognition materials as biosensors for the detection of biomarkers. Toward the development of a potential psychological stress monitoring method based on OFETs, we have successfully detected three types of psychological stress biomarkers: chromogranin A (CgA), immunoglobulin A (IgA), and nitrate (NO3−). The OFETs reproducibly respond to the biomarkers, demonstrating their ability to detect potential psychological stress in individuals. Notably, the detectability of the OFETs makes them suitable for the analyses of real samples. Thus, we strongly believe that the developed system based on extended-gate-type OFETs could be employed as a sensor platform for biosensor applications in the field of healthcare.

Corresponding author: Tsuyoshi Minami




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