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. 2019 Sep 6;11(39):35540–35547. doi: 10.1021/acsami.9b09674

Figure 5.

Figure 5

(A) Cyclic voltammograms comparing the responses of the C–CAP and C–CAP–Pd microneedles to 2 mM ferrocyanide before and after modification with palladium and cysteine. Scan rate: 50 mV/s. (B) XPS spectra highlighting the modification of C–CAP–Pd microneedles with cysteine.