Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 10 of 10 for “"alamethicin"”.
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Interaction of a helical peptide with membrane: Study of alamethicin
Alamethicin is a transmembrane ion channel at low concentration, and a lytic agent of cell membrane at high concentration. It is a small size polypeptide (20 amino residues), and contains a large section of amphiphilic $\alpha$-helix, which is an often-encountered secondary structure motif in …
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Using Lipid Bilayers in an Artificial Axon System
… on hydrogel bilayers (DHBs) in conjunction with alamethicin channels was developed to show properties of action potential signal propagation that occur in myelinated nerve cells. The research demonstrates that the artificial axon system is capable of modifying signals that travel perpendicular to …
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NMR Studies on Model Membranes. Interaction with Metal Ions, Ionophores and General Anaesthetics
… 3. The kinetics of Pr3+ transport induced by alamethicin 30, A23187, bile salts and phospholipase A was investigated by following time dependent changes in the 1H-NMR spectrum of phospholipid vesicles. The mechanisms involved in the permeability induced by the bile salts and phospholipase was …
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Interactions of disruptive materials with phospholipid bilayers
… The effects of the pore-forming peptide alamethicin are shown for lipid bilayers with varying compositions. A correlation between the presence of sphingomyelin or cholesterol and increased pore formation is identified by the increase of potassium leakage through vesicles and formation of …
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Lipid Bilayer Formation in Aqueous Solutions of Ionic Liquids
… that the magnitude of the conductance levels of Alamethicin peptide are altered by some ionic liquids.
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Identifikation und Regulation einer durch Insektenfraß induzierbaren Geranyllinalool-Synthase in Arabidopsis thaliana
… wie Behandlung mit dem pilzlichen Elicitor Alamethicin oder Infektion mit Larven von Plutella xylostella transkribiert. Die Alamethicin-induzierte AtGLS-Transkription benötigt das Phytohormon Jasmonsäure, sowie das F-Box Protein COI1, das bislang noch nicht charakterisierte negative …
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Design, Fabrication, and Validation of Membrane-Based Sensors
… enclosed bilayer. Single channel measurements of alamethicin peptides further verify that the encapsulated device can be used to detect the gating activity of transmembrane proteins in the membrane. The flexible substrate was incorporated into a low-noise, portable test fixture. The response of …
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Multi-Nuclear NMR Studies of Phospholipid Membranes and their Interaction with Membrane Active Substances
… lipid vesicles in the presence of the ionophores alamethicin, melittin and nystatin was monitored using the lanthanide probe ion Pr3+. Channel characteristics were found to be dependent upon molecular interactions between the lipid and the individual ionophores. The results were discussed in terms …
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Bilayer Network Modeling
This dissertation presents the development of a modeling scheme that is developed to model the membrane potentials and ion currents through a bilayer network system. The modeling platform builds off of work performed by Hodgkin and Huxley in modeling cell membrane potentials and ion currents with …