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. Author manuscript; available in PMC: 2014 Aug 7.
Published in final edited form as: Analyst. 2013 Jun 4;138(15):4363–4369. doi: 10.1039/c3an00459g

Fig. 4.

Fig. 4

Electrochemical oxidation of dihydrorhodamine 6G and the corresponding Tafel plot. A, C: Shows the increase of the emission due to oxidation of the leuco dye B, D: Tafel plots. The intersection (arrow) of the two lines provides Egt threshold oxidation potential. Ex/em.: 460/545–565 nm.