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Sensors 2017, 17(9), 2095; https://doi.org/10.3390/s17092095

Whispering-Gallery Mode Resonators for Detecting Cancer

Faculty of Biomedical Engineering, Rangsit University, Pathum Thani 12000, Thailand
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Received: 11 July 2017 / Revised: 31 August 2017 / Accepted: 6 September 2017 / Published: 13 September 2017
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Abstract

Optical resonators are sensors well known for their high sensitivity and fast response time. These sensors have a wide range of applications, including in the biomedical fields, and cancer detection is one such promising application. Sensor diagnosis currently has many limitations, such as being expensive, highly invasive, and time-consuming. New developments are welcomed to overcome these limitations. Optical resonators have high sensitivity, which enable medical testing to detect disease in the early stage. Herein, we describe the principle of whispering-gallery mode and ring optical resonators. We also add to the knowledge of cancer biomarker diagnosis, where we discuss the application of optical resonators for specific biomarkers. Lastly, we discuss advancements in optical resonators for detecting cancer in terms of their ability to detect small amounts of cancer biomarkers. View Full-Text
Keywords: optical resonator; whispering-gallery mode; optical waveguide; evanescent wave; label-free; biosensor; cancer; sensor platform; instrumentation optical resonator; whispering-gallery mode; optical waveguide; evanescent wave; label-free; biosensor; cancer; sensor platform; instrumentation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Pongruengkiat, W.; Pechprasarn, S. Whispering-Gallery Mode Resonators for Detecting Cancer. Sensors 2017, 17, 2095.

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