Bias-dependent admittance in hybrid bilayer membranes

Vesselin Nikolov, Aleksandar Radisic, Kalina A Hristova, Peter C. Searson

Research output: Contribution to journalArticle

Abstract

Artificial bilayer membranes provide a platform for bioelectronic devices based on their structural, sensing, and transport functions. In this letter, we report on the impedance response of an engineered membrane with a lower leaflet of octadecanethiol on gold and an outer leaflet of dioleoylphosphatidylcholine with the monomeric channel protein gramicidin. This hybrid bilayer exhibits an electrical response analogous to a solid-state diode: the admittance is very low (-7 Ω -1 cm -2) over a wide potential range but increases exponentially at negative potentials.

Original languageEnglish (US)
Pages (from-to)7156-7158
Number of pages3
JournalLangmuir
Volume22
Issue number17
DOIs
StatePublished - Aug 15 2006

Fingerprint

electrical impedance
membranes
Membranes
Gramicidin
Gold
Diodes
platforms
diodes
impedance
gold
solid state
proteins
Proteins
1,2-oleoylphosphatidylcholine

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Colloid and Surface Chemistry

Cite this

Nikolov, V., Radisic, A., Hristova, K. A., & Searson, P. C. (2006). Bias-dependent admittance in hybrid bilayer membranes. Langmuir, 22(17), 7156-7158. https://doi.org/10.1021/la061562k

Bias-dependent admittance in hybrid bilayer membranes. / Nikolov, Vesselin; Radisic, Aleksandar; Hristova, Kalina A; Searson, Peter C.

In: Langmuir, Vol. 22, No. 17, 15.08.2006, p. 7156-7158.

Research output: Contribution to journalArticle

Nikolov, V, Radisic, A, Hristova, KA & Searson, PC 2006, 'Bias-dependent admittance in hybrid bilayer membranes', Langmuir, vol. 22, no. 17, pp. 7156-7158. https://doi.org/10.1021/la061562k
Nikolov, Vesselin ; Radisic, Aleksandar ; Hristova, Kalina A ; Searson, Peter C. / Bias-dependent admittance in hybrid bilayer membranes. In: Langmuir. 2006 ; Vol. 22, No. 17. pp. 7156-7158.
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