Abstract
Cancer is one of the mortal diseases globally. While considerable advances in its detection and monitoring have been accomplished, simple and continuous cancer monitoring is not yet a reality. Nowadays, a cancer diagnosis is based on image analysis techniques, biopsy, and whole blood sample analyses for specific biomarkers. This entire process tends to be time consuming and hinders continuous monitoring. Additionally, the use of biomarkers can add some challenges, since there is no ideal biomarker that can be used in cancer detection. Usually, the detection of multiple biomarkers is needed for reliable analysis. The lack of sensitivity and specificity of current diagnostic tools also needs to be taken into account. Thus, there is an urgent need for new diagnostic technologies, which can produce rapid, reliable, early cancer detection, and monitoring. Biosensors have been emerging as promising tools to provide such highly sensitive and specific, multiplexed, and continuous biomarker monitoring.
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