Staff View: Nanocomposite sensors of Polyaniline-Zn-Ag for the detection of pathogenic leptospira bacteria in environmental water.

Nanocomposite sensors of Polyaniline-Zn-Ag for the detection of pathogenic leptospira bacteria in environmental water.

This research is focused on the fabrication of a sensitive, durable and user-friendly polyaniline-Zn-Ag (PANI-Zn-Ag) nanocomposite thin film sensor for Leptospira bacterial detection. This study focuses on the performance of different concentration ratios of PANI-Zn-Ag nanocomposite thin films. The...

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Main Authors:	Abdullah, Huda, Yu, Jion Wei, Suppiah, Aravintha Ram, Jurait, Jamal, Yahya, Iskandar, Kamal, Noorfazila, Bejo, Siti Khairani, Othman, Mohd. Hafiz Dzarfan, Fen, Yap Wing, Akhtaruzzaman, Md., Ahmad, Md. Fauzi, Yuliarto, Brian
Format:	Article
Published:	Springer 2023
Subjects:	TP Chemical technology
Online Access:	http://eprints.utm.my/106505/ http://dx.doi.org/10.1007/s11664-023-10738-7
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spelling	my.utm.1065052024-07-09T06:20:23Z http://eprints.utm.my/106505/ Nanocomposite sensors of Polyaniline-Zn-Ag for the detection of pathogenic leptospira bacteria in environmental water. Abdullah, Huda Yu, Jion Wei Suppiah, Aravintha Ram Jurait, Jamal Yahya, Iskandar Kamal, Noorfazila Bejo, Siti Khairani Othman, Mohd. Hafiz Dzarfan Fen, Yap Wing Akhtaruzzaman, Md. Ahmad, Md. Fauzi Yuliarto, Brian TP Chemical technology This research is focused on the fabrication of a sensitive, durable and user-friendly polyaniline-Zn-Ag (PANI-Zn-Ag) nanocomposite thin film sensor for Leptospira bacterial detection. This study focuses on the performance of different concentration ratios of PANI-Zn-Ag nanocomposite thin films. The characterization of PANI-Zn-Ag nanocomposite thin films was carried out through field-emission scanning electron microscopy (FESEM), energy-dispersive x-ray (EDX) and atomic force microscopy (AFM). The sensitivity, selectivity, repeatability and stability performance of PANI-Zn-Ag nanocomposite thin films were studied using current–voltage (I–V) curves, electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV). FESEM results showed an irregular particle structure of PANI-Zn0.6-Ag0.4 with diameters ranging from 20 nm to 80 nm, with low agglomeration. AFM results showed that the PANI-Zn0.6-Ag0.4 nanocomposite thin film sensor had the highest average roughness and grain size. These specific morphological properties are required to maximize the reaction between the particles in PANI-Zn-Ag and the bacterial cells to increase the sensitivity. The repeatability and stability test showed a standard deviation range of 0.0005–0.001, which indicates that the PANI-Zn-Ag thin film sensor has high reusability. The selectivity test showed a large current gap between the deionized water test and the bacteria test. The sensitivity analysis showed that the PANI-Zn0.6-Ag0.4 nanocomposite thin film sensor had the highest sensitivity (26.2%). The results obtained confirm that the PANI-Zn-Ag nanocomposite thin film sensor has the potential for use as a biosensor for Leptospira bacterial detection. Springer 2023-12 Article PeerReviewed Abdullah, Huda and Yu, Jion Wei and Suppiah, Aravintha Ram and Jurait, Jamal and Yahya, Iskandar and Kamal, Noorfazila and Bejo, Siti Khairani and Othman, Mohd. Hafiz Dzarfan and Fen, Yap Wing and Akhtaruzzaman, Md. and Ahmad, Md. Fauzi and Yuliarto, Brian (2023) Nanocomposite sensors of Polyaniline-Zn-Ag for the detection of pathogenic leptospira bacteria in environmental water. Journal of Electronic Materials, 52 (12). pp. 8191-8202. ISSN 03615235 http://dx.doi.org/10.1007/s11664-023-10738-7 DOI:10.1007/s11664-023-10738-7
institution	Universiti Teknologi Malaysia
building	UTM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Teknologi Malaysia
content_source	UTM Institutional Repository
url_provider	http://eprints.utm.my/
topic	TP Chemical technology
spellingShingle	TP Chemical technology Abdullah, Huda Yu, Jion Wei Suppiah, Aravintha Ram Jurait, Jamal Yahya, Iskandar Kamal, Noorfazila Bejo, Siti Khairani Othman, Mohd. Hafiz Dzarfan Fen, Yap Wing Akhtaruzzaman, Md. Ahmad, Md. Fauzi Yuliarto, Brian Nanocomposite sensors of Polyaniline-Zn-Ag for the detection of pathogenic leptospira bacteria in environmental water.
description	This research is focused on the fabrication of a sensitive, durable and user-friendly polyaniline-Zn-Ag (PANI-Zn-Ag) nanocomposite thin film sensor for Leptospira bacterial detection. This study focuses on the performance of different concentration ratios of PANI-Zn-Ag nanocomposite thin films. The characterization of PANI-Zn-Ag nanocomposite thin films was carried out through field-emission scanning electron microscopy (FESEM), energy-dispersive x-ray (EDX) and atomic force microscopy (AFM). The sensitivity, selectivity, repeatability and stability performance of PANI-Zn-Ag nanocomposite thin films were studied using current–voltage (I–V) curves, electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV). FESEM results showed an irregular particle structure of PANI-Zn0.6-Ag0.4 with diameters ranging from 20 nm to 80 nm, with low agglomeration. AFM results showed that the PANI-Zn0.6-Ag0.4 nanocomposite thin film sensor had the highest average roughness and grain size. These specific morphological properties are required to maximize the reaction between the particles in PANI-Zn-Ag and the bacterial cells to increase the sensitivity. The repeatability and stability test showed a standard deviation range of 0.0005–0.001, which indicates that the PANI-Zn-Ag thin film sensor has high reusability. The selectivity test showed a large current gap between the deionized water test and the bacteria test. The sensitivity analysis showed that the PANI-Zn0.6-Ag0.4 nanocomposite thin film sensor had the highest sensitivity (26.2%). The results obtained confirm that the PANI-Zn-Ag nanocomposite thin film sensor has the potential for use as a biosensor for Leptospira bacterial detection.
format	Article
author	Abdullah, Huda Yu, Jion Wei Suppiah, Aravintha Ram Jurait, Jamal Yahya, Iskandar Kamal, Noorfazila Bejo, Siti Khairani Othman, Mohd. Hafiz Dzarfan Fen, Yap Wing Akhtaruzzaman, Md. Ahmad, Md. Fauzi Yuliarto, Brian
author_facet	Abdullah, Huda Yu, Jion Wei Suppiah, Aravintha Ram Jurait, Jamal Yahya, Iskandar Kamal, Noorfazila Bejo, Siti Khairani Othman, Mohd. Hafiz Dzarfan Fen, Yap Wing Akhtaruzzaman, Md. Ahmad, Md. Fauzi Yuliarto, Brian
author_sort	Abdullah, Huda
title	Nanocomposite sensors of Polyaniline-Zn-Ag for the detection of pathogenic leptospira bacteria in environmental water.
title_short	Nanocomposite sensors of Polyaniline-Zn-Ag for the detection of pathogenic leptospira bacteria in environmental water.
title_full	Nanocomposite sensors of Polyaniline-Zn-Ag for the detection of pathogenic leptospira bacteria in environmental water.
title_fullStr	Nanocomposite sensors of Polyaniline-Zn-Ag for the detection of pathogenic leptospira bacteria in environmental water.
title_full_unstemmed	Nanocomposite sensors of Polyaniline-Zn-Ag for the detection of pathogenic leptospira bacteria in environmental water.
title_sort	nanocomposite sensors of polyaniline-zn-ag for the detection of pathogenic leptospira bacteria in environmental water.
publisher	Springer
publishDate	2023
url	http://eprints.utm.my/106505/ http://dx.doi.org/10.1007/s11664-023-10738-7
_version_	1805880821411741696
score	13.211869

Nanocomposite sensors of Polyaniline-Zn-Ag for the detection of pathogenic leptospira bacteria in environmental water.

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