Universiti Teknologi Malaysia Institutional Repository

Analytical model of graphene-based biosensors for bacteria detection

Akbari, Elnaz and Buntat, Zolkafle and Kiani, Mohammad J. and Enzevaee, Aria and Khaledian, Mohsen (2015) Analytical model of graphene-based biosensors for bacteria detection. International Journal Of Environmental Analytical Chemistry, 95 (9). pp. 847-854. ISSN 3062-6191

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Official URL: http://dx.doi.org/10.1080/03067319.2015.1058930

Abstract

In this research, a set of novel models based on field effect transistor (FET) structure using graphene have been proposed with the current–voltage (I–V) characteristics of graphene employed to model the sensing mechanism. It has been observed that the graphene device experiences a drastic increase in conductance when exposed to Escherichia coli bacteria at 0– (Formula presented.) cfu/mL concentrations. Hence, simplicity of the structure, fast response rate and high sensitivity of this nanoelectronic biosensor make it a more suitable device in screening and functional studies of antibacterial drugs and an ideal high-throughput platform that can detect any pathogenic bacteria. Accordingly, the proposed model exhibits a satisfactory agreement with the experimental data.

Item Type:Article
Uncontrolled Keywords:biosensor, E. coli bacteria, field effect transistor, graphene, I–V characteristics
Subjects:A General Works
ID Code:57819
Deposited By: Haliza Zainal
Deposited On:04 Dec 2016 12:07
Last Modified:16 Feb 2017 15:07

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