FIZIKA A 4 (1995) 2, 367-372

size 210 kB

THIN-FILM SUPPORT FOR LIPID BILAYERS

VLADIMIR TVAROZEK*, TIBOR HIANIK**, VIKTOR I. PASSECHNIK+, IVAN NOVOTNY* and VLASTIMIL REHACEK*
*Department of Microelectronics, Slovak Technical University, Ilkovicova 3, 812 19 Bratislava, Slovakia
**Department of Biophysics and Chemical Physics, Comenius University, Mlynska dol. F1, 842 15 Bratislava, Slovakia
+Scientific Research Center of Electronic Diagnostic Systems, Russian Academy of Sciences, Starosadsky per. 8, 101000 Moscow, Russia

Received 7 April 1995
Revised manuscript received 27 June 1995

A strip thin-film support consisting of compact or planar interdigitated array electrodes and glass substrate is presented. A novel method of forming of s-BLM on the thin metallic film (sl-BLM) has been developed. Electromechanical characteristics of BLM were studied and the measured value of elasticity modulus perpendicular to the bilayer plane was found to change considerably with increasing dc voltage. The presented results evidence the fact that the values of E^ are are strongly influenced by the degree of roughness of the metal surface. It is shown that sl-BLM modified by electron carrier can be used as a simple pH sensor.

UDC 538.951
PACS 68.65.+q, 73.61.-r
Copyright by The Croatian Physical Society
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