Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Silicene Quantum Capacitance Dependent Frequency Readout to a Label-free Detection of DNA Hybridization

Version 1 : Received: 24 March 2021 / Approved: 26 March 2021 / Online: 26 March 2021 (10:58:26 CET)

A peer-reviewed article of this Preprint also exists.

Rahman, M.S.; Naima, R.L.; Shetu, K.J.; Hossain, M.M.; Kaiser, M.S.; Hosen, A.S.M.S.; Sarker, M.A.L.; Ooi, K.J.A. Silicene Quantum Capacitance Dependent Frequency Readout to a Label-Free Detection of DNA Hybridization— A Simulation Analysis. Biosensors 2021, 11, 178. Rahman, M.S.; Naima, R.L.; Shetu, K.J.; Hossain, M.M.; Kaiser, M.S.; Hosen, A.S.M.S.; Sarker, M.A.L.; Ooi, K.J.A. Silicene Quantum Capacitance Dependent Frequency Readout to a Label-Free Detection of DNA Hybridization— A Simulation Analysis. Biosensors 2021, 11, 178.

Journal reference: Biosensors 2021, 11, 178
DOI: 10.3390/bios11060178

Abstract

Two-dimensional silicon allotrodes– also called Sinicene– have recently experienced intensive scientific research interest due to their unique electrical, mechanical, and sensing characteristics. A novel silicene based nano-material has been enticed great amenities, partially because of its uniformity with graphene. Silicene is a highly sensitive for numerous sensors based on molecular sensing as pH sensor, gas sensor, ion sensor and biosensing are Deoxyribonucleic acid (DNA) nucleobase sensor, photonic sensor, cell-based biosensor, glucose sensor, and bioelectric nose sensor. Nowadays genetic research based on DNA hybridization, which is a vital tools for sensing material and it has various detection methods. Among of them, the detection method is frequency readout used to a label-free detection of DNA hybridization. In this paper we have compared the graphene and silicene quantum capacitance that has been proposed for a DNA hybridization detection method on wireless readout. These method shows, the strands of mismatched and complementary DNA have in different range of frequency to identify output efficiency. With respect to DNA concentration the output of silicene is almost sharply linear than graphene. In addition of field effect transistor, silicene opens a new opportunities due to its band gap whereas graphene indicates zero band gap. It can be stated that silicene is much more reliable as well as much stronger than multi-layered graphene.

Keywords

Silicene; Graphene; DNA; hybridization; Biosensor; ISFETs

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