ArticleBiophysical journal2005
Photocurrents generated by bacteriorhodopsin adsorbed on nano-black lipid membranes.
Article in Biophysical journal, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 69 citations in OpenAlex.
- Robust Photoelectric Biomolecular Switch at a Microcavity-Supported Lipid Bilayer.ACS applied materials & interfaces · 2021Article
- The Whole Is Bigger than the Sum of Its Parts: Drug Transport in the Context of Two Membranes with Active Efflux.Chemical reviews · 2021Article
- Stationary photocurrent generation from bacteriorhodopsin-loaded lipo-polymersomes in polyelectrolyte multilayer assembly on polyethersulfone membrane.Analytical and bioanalytical chemistry · 2020Article
- Biomimetic Membranes with Transmembrane Proteins: State-of-the-Art in Transmembrane Protein Applications.International journal of molecular sciences · 2019Review
- Light-Patterned Current Generation in a Droplet Bilayer Array.Scientific reports · 2017Article
- Bacteriorhodopsin-ZnO hybrid as a potential sensing element for low-temperature detection of ethanol vapour.Beilstein journal of nanotechnology · 2016Article
- Hybrid integrated biological-solid-state system powered with adenosine triphosphate.Nature communications · 2015Article
- Properties of the electrogenic activity of bacteriorhodopsin.European biophysics journal : EBJ · 2013Article
- Deposition of bacteriorhodopsin protein in a purple membrane form on nitrocellulose membranes for enhanced photoelectric response.Sensors (Basel, Switzerland) · 2012Article
- Droplet interface bilayers.Molecular bioSystems · 2008Review
- Modulation of the conductance of a 2,2'-bipyridine-functionalized peptidic ion channel by Ni2+.European biophysics journal : EBJ · 2008Article
- Channel activity of OmpF monitored in nano-BLMs.Biophysical journal · 2006Article
Corrections and comments
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Authors and funding
2 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Purple membranes were adsorbed on freestanding lipid bilayers, termed nano-black lipid membranes (nano-BLMs), suspending the pores of porous alumina substrates with average pore diameters of 280 nm. Nano-BLMs were obtained by first coating the upper surface of the highly ordered porous alumina substrates with a thin gold layer followed by chemisorption of 1,2-dipalmitoyl-sn-glycero-3-phosphothioethanol and subsequent addition of a droplet of 1,2-diphytanoyl-sn-glycero-3-phosphocholine and octadecylamine dissolved in n-decane onto the hydrophobic submonolayer. By means of impedance spectroscopy, the quality of the nano-BLMs was verified. The electrical parameters confirm the formation of single lipid bilayers with high membrane resistances covering the porous matrix. Adsorption of purple membranes on the nano-BLMs was followed by recording the photocurrents generated by bacteriorhodopsin upon continuous light illumination. The membrane system exhibits a very high long-term stability with the advantage that not only transient but also stationary currents are recordable. By adding the proton ionophore carbonyl cyanide-m-chlorophenylhydrazone the conductivity of the nano-BLMs increases, resulting in a higher stationary current, which proves that proton conductance occurs across the nano-BLMs.
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