Young Researcher Paper Award 2023
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Print: ISSN 0914-4935
Online: ISSN 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.
Online: ISSN 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.
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Sensors and Materials
is covered by Science Citation Index Expanded (Clarivate Analytics), Scopus (Elsevier), and other databases.
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Sensors and Materials
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is covered by Science Citation Index Expanded (Clarivate Analytics), Scopus (Elsevier), and other databases.
Instructions to authors
English 日本語
Instructions for manuscript preparation
English 日本語
Template
English
Publisher
MYU K.K.
Sensors and Materials
1-23-3-303 Sendagi,
Bunkyo-ku, Tokyo 113-0022, Japan
Tel: 81-3-3827-8549
Fax: 81-3-3827-8547
MYU Research, a scientific publisher, seeks a native English-speaking proofreader with a scientific background. B.Sc. or higher degree is desirable. In-office position; work hours negotiable. Call 03-3827-8549 for further information.
MYU Research
(proofreading and recording)
MYU K.K.
(translation service)
The Art of Writing Scientific Papers
(How to write scientific papers)
(Japanese Only)
Sensors and Materials, Volume 35, Number 5(3) (2023)
Copyright(C) MYU K.K.
Copyright(C) MYU K.K.
|
pp. 1767-1773
S&M3286 Letter https://doi.org/10.18494/SAM4356 Published: May 25, 2023 Colorimetric Dopamine Detection Based on Immobilized Monoamine Oxidase through Silver Nanoparticles [PDF] Gounhanul Shin, Kunn Hadinoto, and Jin-Won Park (Received February 20, 2023; Accepted April 4, 2023) Keywords: dopamine, monoamine oxidase, silver nanoparticles, oxidation
The colorimetric detection of dopamine was investigated to enhance the dopamine detection sensitivity. The detection was through the oxidation of AgNPs by hydrogen peroxide converted from dopamine along with dihydroxyphenylacetaldehyde. The conversion was facilitated by monoamine oxidase-Bs (MAO-Bs) bound to biomimetic membranes. The absorbance at 410 nm decreased with the increase in dopamine concentration. The limit of detection was determined to be 0.013 μM for 0.01 to 3.5 μM dopamine in the linear range of absorbance. The absorbance change corresponded to the conversion of Ag to Ag2O, which occurred with the hydrogen peroxide released through MAO-Bs from dopamine. These results indicate that the AgNP degradation based on the immobilized MAO-Bs is sufficiently appropriate for the high-sensitivity absorbance detection of dopamine with a wide linear range.
Corresponding author: Jin-Won Park  This work is licensed under a Creative Commons Attribution 4.0 International License. Cite this article Gounhanul Shin, Kunn Hadinoto, and Jin-Won Park, Colorimetric Dopamine Detection Based on Immobilized Monoamine Oxidase through Silver Nanoparticles, Sens. Mater., Vol. 35, No. 5, 2023, p. 1767-1773. |
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