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Agarová pracovná elektróda ako podklad pre dvojvrstvovú lipidovú membránu: účinky jednosmerného napätia
[Agar working electrode as a support for bilayer lipid membrane: effects of direct current bias voltages]

Galina Laputková, Michal Legiš, Ján Sabo

. 2010 ; 104 (5) : 353-359.

Language Slovak Country Czech Republic

Persistent link   https://www.medvik.cz/link/bmc10013455

The agar working electrode as a hydrogel support for bilayer lipid membranes (BLM) was studied by electrochemical impedance spectroscopy. The aim was to study the influence of dc bias voltage on the formation of a stable supported bilayer lipid membrane (s-BLM) on the electrode tip. It was concluded that the hydrogel support is sufficiently stable in the applied range of bias voltages. The agar electrode provides satisfactory results in the frequency range 1–1?104 Hz. The electrode properties suggest applicability in deposition of s-BLM. Electric properties of s-BLM significantly depend on the dc bias voltage. The specific membrane capacitance of s-BLM at ?0.4 V was comparable with that of a conventional planar BLM. However, a shift to negative bias voltages led to a significant change of membrane resistance, possibly due to the increasing number of pores or defective structures in the lipid bilayer.

Agar working electrode as a support for bilayer lipid membrane: effects of direct current bias voltages

Bibliography, etc.

Lit.: 29

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