Table 8. Operational stability of β-CD@AB/GCE during repeated detection cycles (NA = 10 µM).

Cycle number	Peak current (µA)	Signal retention (%)
1	12.5	100
5	12.34	98.7
10	12.15	97.2
15	11.98	95.8
20	11.9	95.2
25	11.82	94.6
30	11.78	94.2