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. Author manuscript; available in PMC: 2016 Jan 5.
Published in final edited form as: Analyst. 2016 Jan 4;141(2):403–415. doi: 10.1039/c5an01995h

Fig. 2. Representative aptamer-based analytical models for CTC detection.

Fig. 2

(a) Tumor-cell activated, signal ‘turn-on’ aptamer reporter for one-step high-throughput detection of CTCs in patient whole blood samples; (b) Target-triggered conformation-switchable aptamer reporter for CTC detection; (c) A simple aptamer-based electrochemical sensing platform for CTC detection.