Organic Electronics, volume 14, issue 1, pages 156-163

Organic field-effect transistor for label-free dopamine sensing

Publication typeJournal Article
Publication date2013-01-01
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor3.2
ISSN15661199
Materials Chemistry
General Chemistry
Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering
Biomaterials
Abstract
We describe a potentiometric sensor based on Electrolyte-Gated Organic Field-Effect Transistor (EGOFET) for “in vitro” detection of dopamine. The sensing element of this device resides at the Au gate–aqueous solution interface by means of a self-assembled monolayer (SAM) composed by cysteamine and 4-formylphenyl boronic acid. The covalent and selective adsorption of dopamine induces a surface dipole potential which shifts the electrode work function and modulates the double layer capacitance. As a result, our device is capable to detect dopamine up to pico-molar concentration showing higher sensitivity with respect to other approaches. For this reason the interface engineering of our EGOFET gate is a promising route for diagnostic applications.

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GOST |
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GOST Copy
Casalini S. et al. Organic field-effect transistor for label-free dopamine sensing // Organic Electronics. 2013. Vol. 14. No. 1. pp. 156-163.
GOST all authors (up to 50) Copy
Casalini S., Leonardi F., Cramer T., Biscarini F. Organic field-effect transistor for label-free dopamine sensing // Organic Electronics. 2013. Vol. 14. No. 1. pp. 156-163.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1016/j.orgel.2012.10.027
UR - https://doi.org/10.1016/j.orgel.2012.10.027
TI - Organic field-effect transistor for label-free dopamine sensing
T2 - Organic Electronics
AU - Casalini, S
AU - Leonardi, Francesca
AU - Cramer, T.
AU - Biscarini, F.
PY - 2013
DA - 2013/01/01 00:00:00
PB - Elsevier
SP - 156-163
IS - 1
VL - 14
SN - 1566-1199
ER -
BibTex |
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BibTex Copy
@article{2013_Casalini,
author = {S Casalini and Francesca Leonardi and T. Cramer and F. Biscarini},
title = {Organic field-effect transistor for label-free dopamine sensing},
journal = {Organic Electronics},
year = {2013},
volume = {14},
publisher = {Elsevier},
month = {jan},
url = {https://doi.org/10.1016/j.orgel.2012.10.027},
number = {1},
pages = {156--163},
doi = {10.1016/j.orgel.2012.10.027}
}
MLA
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MLA Copy
Casalini, S., et al. “Organic field-effect transistor for label-free dopamine sensing.” Organic Electronics, vol. 14, no. 1, Jan. 2013, pp. 156-163. https://doi.org/10.1016/j.orgel.2012.10.027.
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