Porous Materials to Support Bilayer Lipid Membranes for Ion Channel Biosensors

Table 2

Resistances and capacitances of BLMs on porous supports.

Parameters	PTFE	Nylon	Polycarbonate	Silanised Ag
RBLM (GΩ)	15.1 ± 1.6	18.9 ± 5.8	17.2 ± 3.3	13.8 ± 2.3
CBLM (𝜇F)	1.6 ± 0.1	1.1 ± 0.2	0.8 ± 0.1	0.9 ± 0.1
CStray (nF)	37.6 ± 0.3	38.5 ± 0.8	36.2 ± 0.4	36.5 ± 0.4
N	40	8	12	12

Values determined from fit of equivalent model circuit to the data. Data are mean ± S.E.M.
R_BLM: membrane resistance, C_BLM: capacitance of the BLM, C_Stray: stray capacitance.