Table 1.

Optimization parameters and selected values.

Parameters	Tested Values	Selected Value
Aptamer concentration	0.25 µg/mL–1 µg/mL–2.5 µg/mL–5 µg/mL	2.5 µg/mL
Aptamer immobilization time	30 min and 60 min	60 min
PAT interaction time	15 min, 30 min, and 60 min	30 min