Fabrication and characterization of dual-functional probe combining calcium ion selective potentiometric microscopy and ion conductance microscopy (SECM-SICM) - Castro, Pollyana Souza; Botros, Rehab Al; Nadappuram, Binoy Paulose; Colburn, Alex W; Bertotti, Mauro; Unwin, Patrick R (Simpósio Brasileiro de Eletroquímica e Eletroanalítica/SIBEE, 2017)