Graphene and Other Nanomaterial-based Electrochemical Aptasensors

Overview

Journal Biosensors (Basel)

Specialty Biotechnology

Date 2015 Jan 15

PMID 25585628

Citations 12

Authors

Frank J Hernandez

Veli Cengiz Ozalp

Affiliations

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Abstract

Electrochemical aptasensors, which are based on the specificity of aptamer-target recognition, with electrochemical transduction for analytical purposes have received particular attention due to their high sensitivity and selectivity, simple instrumentation, as well as low production cost. Aptamers are functional nucleic acids with specific and high affinity to their targets, similar to antibodies. However, they are completely selected in vitro in contrast to antibodies. Due to their stability, easy chemical modifications and proneness to nanostructured device construction, aptamer-based sensors have been incorporated in a variety of applications including electrochemical sensing devices. In recent years, the performance of aptasensors has been augmented by incorporating novel nanomaterials in the preparation of better electrochemical sensors. In this review, we summarize the recent trends in the use of nanomaterials for developing electrochemical aptasensors.

Citing Articles

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