Portable and versatile sensors for field work and humanitarian use

Portable, low-cost platform and sensing system for detection and quantification of analytes are in high demand for various environmental monitoring applications especially for field work and humanitarian use. Quantifying analytes and relevant water-quality parameters in the field requires a device t...

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Main Author:	Wan Salim, Wan Wardatul Amani
Format:	Conference or Workshop Item
Language:	English
Published:	2017
Subjects:	AS Academies and learned societies (General) T Technology (General)
Online Access:	http://irep.iium.edu.my/58607/ http://irep.iium.edu.my/58607/ http://irep.iium.edu.my/58607/1/58607_Portable%20and%20Versatile%20Sensors_complete.pdf

id	iium-58607
recordtype	eprints
spelling	iium-586072017-10-03T03:40:49Z http://irep.iium.edu.my/58607/ Portable and versatile sensors for field work and humanitarian use Wan Salim, Wan Wardatul Amani AS Academies and learned societies (General) T Technology (General) Portable, low-cost platform and sensing system for detection and quantification of analytes are in high demand for various environmental monitoring applications especially for field work and humanitarian use. Quantifying analytes and relevant water-quality parameters in the field requires a device that can perform measurements with high sensitivity, stability, and fast response time. A portable device capable of pathogen and ion detection and quantification is useful for evaluating water quality in situ. Our electrochemical sensor technology can provide water-quality assessment, especially for detection of pathogenic Escherichia coli (E. coli) O157:H7 and relevant ions (Ca2+, Mg2+, HCO3-/CO32-, NH4+, and Cl-). We characterized and optimized reduced graphene and conductive polymer deposition methods on glassy-carbon (GCE) and platinum (Pt) electrodes respectively, for biomolecule immobilization. An electrochemical immunosensor for E. coli detection was fabricated through covalent immobilization of anti-E. coli O157:H7 onto reduced graphene-based electrodes. The initial results based on cyclic voltammetry (CV) studies show promising functionality of the graphene-based immunosensor to detect low concentration of E. coli O157:H7 with a wide detection range. Functionality of conductive-polymer based sensor was tested by detecting and monitoring pH, Ca2+, Mg2+, HCO3-/CO32-, NH4+, and Cl- ions. The goal is to develop a versatile device with multiple sensors that are useful for water quality assessment and monitoring; the sensors are further integrated in a portable water system platform for field work and humanitarian use. 2017-05 Conference or Workshop Item PeerReviewed application/pdf en http://irep.iium.edu.my/58607/1/58607_Portable%20and%20Versatile%20Sensors_complete.pdf Wan Salim, Wan Wardatul Amani (2017) Portable and versatile sensors for field work and humanitarian use. In: 3rd ISTIC Biennial International Conference on Women in Science, Technology, and Innovation (STI). Innovative Solution by Women for UN Sustainable Development Goals 2016-2030, 15-16 May 2017, Seri Pacific, Kuala Lumpur. (Unpublished) http://www.unesco.org/new/en/media-services/single-view/news/3rd_biennial_international_conference_on_women_in_science_t/
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English
topic	AS Academies and learned societies (General) T Technology (General)
spellingShingle	AS Academies and learned societies (General) T Technology (General) Wan Salim, Wan Wardatul Amani Portable and versatile sensors for field work and humanitarian use
description	Portable, low-cost platform and sensing system for detection and quantification of analytes are in high demand for various environmental monitoring applications especially for field work and humanitarian use. Quantifying analytes and relevant water-quality parameters in the field requires a device that can perform measurements with high sensitivity, stability, and fast response time. A portable device capable of pathogen and ion detection and quantification is useful for evaluating water quality in situ. Our electrochemical sensor technology can provide water-quality assessment, especially for detection of pathogenic Escherichia coli (E. coli) O157:H7 and relevant ions (Ca2+, Mg2+, HCO3-/CO32-, NH4+, and Cl-). We characterized and optimized reduced graphene and conductive polymer deposition methods on glassy-carbon (GCE) and platinum (Pt) electrodes respectively, for biomolecule immobilization. An electrochemical immunosensor for E. coli detection was fabricated through covalent immobilization of anti-E. coli O157:H7 onto reduced graphene-based electrodes. The initial results based on cyclic voltammetry (CV) studies show promising functionality of the graphene-based immunosensor to detect low concentration of E. coli O157:H7 with a wide detection range. Functionality of conductive-polymer based sensor was tested by detecting and monitoring pH, Ca2+, Mg2+, HCO3-/CO32-, NH4+, and Cl- ions. The goal is to develop a versatile device with multiple sensors that are useful for water quality assessment and monitoring; the sensors are further integrated in a portable water system platform for field work and humanitarian use.
format	Conference or Workshop Item
author	Wan Salim, Wan Wardatul Amani
author_facet	Wan Salim, Wan Wardatul Amani
author_sort	Wan Salim, Wan Wardatul Amani
title	Portable and versatile sensors for field work and humanitarian use
title_short	Portable and versatile sensors for field work and humanitarian use
title_full	Portable and versatile sensors for field work and humanitarian use
title_fullStr	Portable and versatile sensors for field work and humanitarian use
title_full_unstemmed	Portable and versatile sensors for field work and humanitarian use
title_sort	portable and versatile sensors for field work and humanitarian use
publishDate	2017
url	http://irep.iium.edu.my/58607/ http://irep.iium.edu.my/58607/ http://irep.iium.edu.my/58607/1/58607_Portable%20and%20Versatile%20Sensors_complete.pdf
first_indexed	2023-09-18T21:22:54Z
last_indexed	2023-09-18T21:22:54Z
_version_	1777412000687587328

Portable and versatile sensors for field work and humanitarian use

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