Abstract
The importance of nanotechnology in medical technologies, especially biomedical diagnostics, is indubitable. By taking advantages of nanomaterials, many medical diagnostics methods have been developed so far, including electrochemical nanobiosensors. They have been used for quantification of different clinical biomarkers for detecting, screening, or follow up a disease. microRNAs (miRNAs) are one of the most recent and reliable biomarkers used for biomedical diagnosis of various diseases including different cancer types. In addition, there are many electrochemical nanobiosensors explained in publications, patents, and/or a commercial device which have been fabricated for detection or quantification of valuable miRNAs. The aim of this article is to review the concept of medical diagnostics, biosensors, electrochemical biosensors and to emphasize the role of nanotechnology in nanobiosensor development and performance for application in microRNAs detection for biomedical diagnosis. We have also summarized recent ideas and advancements in the field of electrochemical nanobiosensors for miRNA detection, and the important breakthroughs are also explained.
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