Nafion-Stabilized Two-Dimensional Transition Metal Carbide (MXene) as a High-Performance Electrochemical Sensor for Neurotransmitter

Title
Nafion-Stabilized Two-Dimensional Transition Metal Carbide (MXene) as a High-Performance Electrochemical Sensor for Neurotransmitter
Authors
구종민아미르 이크발Faisal ShahzadShabi Abbas Zaidi
Issue Date
2019-11
Publisher
Journal of industrial and engineering chemistry
Citation
VOL 79-344
Abstract
Herein, we demonstrate the selective sensing of Dopamine (DA), an important neurotransmitter, by using Nafion-stabilized two-dimensional transition metal carbides (Ti3C2Tx MXenes). Ti3C2Tx was deposited on a glassy carbon electrode followed by Nafion coating to achieve a robust sensitivity (∼3 nM), good selectivity, wide detection window (0.015– 10 μM), high stability, reproducibility, and outstanding recoveries for DA detection in real samples. MXene-based biosensor exhibited much better electrochemical performance when compared with reduced graphene oxide-based biosensor under similar experimental conditions due to the MXenes good electrical conductivity and negatively charged surface which assisted in the selective and sensitive detection of DA.
URI
http://pubs.kist.re.kr/handle/201004/70600
ISSN
1226-086X
Appears in Collections:
KIST Publication > Article
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