Coordinated Dispersion and Aggregation of Gold Nanorod in Aptamer-Mediated Gestational Hypertension Analysis

Figure 5

(a) Detection of cortisol by colorimetric assay on aptamer-GNR conjugates. 1 mg/mL of cortisol was mixed with aptamer-GNR and checked the aggregation in the presence of NaCl. Inset displays the graphical representation. (b) Mechanism of dispersion and aggregation mimics the above reaction.

(a)

(b)