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Optical and electrochemical DNA nanobiosensors |
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| Authors: | Jafar Ezzati Nazhad DolatabadiOmid Mashinchian Baharak AyoubiAli Akbar Jamali Ahmad MobedDusan Losic Yadollah Omidi Miguel de la Guardia |
| Affiliation: | a Research Center for Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran b Young Researchers Club, Islamic Azad University of Tabriz, Tabriz, Iran c Ian Wark Research Institute, University of South Australia, Mawson Lakes, Adelaide, Australia d Department of Analytical Chemistry, University of Valencia, Dr. Moliner 50, 46100 Burjassot, Valencia, Spain |
| Abstract: | In the past two decades, nanoscale advanced materials have been explored for biosensing molecules, so new horizons have opened up for identifying and quantifying biomolecules, and possible early diagnosis of diseases.DNA nanobiosensors show promise. This article provides an overview on their optical and electrochemical aspects. We discuss recent progress in this field, describing basic concepts of molecular beacons and quantum dots as optical nano-imaging systems. Also, carbon nanotubes provide a platform for development and advancement of electrochemical DNA nanobiosensors, which are increasingly being implemented as robust tools for detection in biomedical sciences. |
| Keywords: | Carbon nanotube Electrochemical DNA nanobiosensor Field-effect transistor Genosensor Molecular beacon Nanobiosensor Optical DNA nanobiosensor Piezoelectric DNA biosensor Quantum dot Surface-plasmon resonance |
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