Journal
BIOSENSORS & BIOELECTRONICS
Volume 184, Issue -, Pages -Publisher
ELSEVIER ADVANCED TECHNOLOGY
DOI: 10.1016/j.bios.2021.113245
Keywords
Biosensor; Biomarker; Graphene nanoribbons; Nanomaterial; Nanobiosensor
Categories
Funding
- Indian Council of Medical Research, New Delhi, India [NCD/Adhoc/58/2019-20]
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Graphene nanoribbons (GNRs) are considered a promising platform for biomedical applications due to their unique properties. By altering the edge functionalities and geometry, their properties can be significantly reformed and controlled. GNRs are extensively explored in the field of biosensing.
Graphene nanoribbons (GNRs) are lengthened one-dimensional monolayer strips of graphene and have a hexagonal honeycomb lattice structure. The captivating properties like electrical conductivity, emerging band gap, optical property, thermal conductivity, high mechanical strength, and ultrahigh surface area make them a better candidate for biomedical applications. The properties can be significantly reformed and controlled by altering the edge functionalities and geometry. The exhibition of a wide potential window coupled with an ultra-high surface area to host sensing element makes GNR an excellent biosensing platform. Consequently, biosensing is one of the most explored applications of GNR. This review presents an overview of the characteristics, methods of synthesis, and biosensing applications of GNR. Overall, GNR is considered a promising platform for efficient signal transduction compared to conventional biosensing platforms. Further, it offers high electrical conductivity, large surface area, high adsorption, synergistic effects with combined materials, fast response, sensitivity, and selectivity.
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