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. 2024 Aug 22;29(16):3974. doi: 10.3390/molecules29163974

Figure 3.

Figure 3

(a) Dual-signal output mechanism of SERS-FL aptasensor for determination of AFB1; (b) Working principle of the on-off-type aptasensor; (c) The “turn on” UCL-SERS aptasensor for detection of OTA; (d) Sensing mechanism of trimer-based high-throughput sensors.