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. Author manuscript; available in PMC: 2010 Apr 28.

Published in final edited form as: ACS Nano. 2009 Apr 28;3(4):1004–1010. doi: 10.1021/nn900113x

Bode plots at different concentrations of KCl for the membrane modified with aminosilane (for 1 hour) and activated by gluteraldehyde (A); the same membrane after immobilization of the morpholino (B) and after hybridizing with complementary target ss-DNA 15-mer (C). (D) The Impedance at 10 kHz for membranes of A (■) and B () and C () as functions of the KCl concentration measured as the impedance of free solution. The solid lines represent the best fits with R_el = 22 Ω and the surface charge densities, the concentration jump, ΔC = 4.8×10⁻⁴ M (red), and 9.5×10⁻⁴ M (green).

Inline graphic — Bode plots at different concentrations of KCl for the membrane modified with aminosilane (for 1 hour) and activated by gluteraldehyde (A); the same membrane after immobilization of the morpholino (B) and after hybridizing with complementary target ss-DNA 15-mer (C). (D) The Impedance at 10 kHz for membranes of A (■) and B () and C () as functions of the KCl concentration measured as the impedance of free solution. The solid lines represent the best fits with R_el = 22 Ω and the surface charge densities, the concentration jump, ΔC = 4.8×10⁻⁴ M (red), and 9.5×10⁻⁴ M (green).

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