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. Author manuscript; available in PMC: 2022 Nov 1.
Published in final edited form as: Anal Bioanal Chem. 2021 Oct 1;413(27):6689–6701. doi: 10.1007/s00216-021-03640-w

Fig. 2.

Fig. 2

The encapsulation of chronically implanted Ag/AgCl reference electrodes diminishes surface chlorine. (A) 400× scanning electron micrograph of Ag/AgCl electrode, 3 weeks post-implantation. (B) 1500× box from A; EDX spectral mapping overlay: cyan = chlorine, red = carbon and oxygen. Reproduced with permission from [5].