Figure 5.

Aptamer-capture assay methods via fluorometric and colorimetric sensing. (A) Schematic diagram of the aptamer–enzyme biosensor for enzyme detection, reproduced with permission from [63]. Copyright 2011 American Chemistry Society. (B) Aptamer-based sandwich assay for malaria antigen detection, reproduced with permission from [65]. Copyright 2017 American Chemistry Society. (C) A colorimetric aptasensor based on signal amplification for the detection of antibiotics. (D) A colorimetric aptasensor based on HRP for V. parahaemolyticus detection, reproduced with permission from [68]. Copyright 2015 American Chemical Society.