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Carbon Nanotube Biosensors

By Carmen-Mihaela eTilmaciu and May Catherine MORRIS

Abstract

Nanomaterials possess unique features which make them particularly attractive for biosensing applications. In particular Carbon Nanotubes (CNTs) can serve as scaffolds for immobilization of biomolecules at their surface, and combine several exceptional physical, chemical, electrical and optical characteristics properties which make them one of the best suited materials for the transduction of signals associated with the recognition of analytes, metabolites or disease biomarkers. Here we provide a comprehensive review on these carbon nanostructures, in which we will describe their structural and physical properties, discuss functionalization and cellular uptake, biocompatibility and toxicity issues. We further review historical developments in the field of biosensors, and describe the different types of biosensors which have been developed over time, with specific focus on CNT-conjugates engineered for biosensing applications, and in particular detection of cancer biomarkers

Topics: Cancer, fluorescence, carbon nanotube, biosensing, internalization, Biocompatibility, Chemistry, QD1-999
Publisher: Frontiers Media S.A.
Year: 2015
DOI identifier: 10.3389/fchem.2015.00059
OAI identifier: oai:doaj.org/article:24ef36c920e54907b720e56f8982c4f1
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