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The modeling of ion-transport through biological membranes is important for understanding many life processes. The transmembrane potential and ion concentrations in the stationary state can be measured in in-vivo experiments. They can also be simulated within membrane models. Here we consider a basic model of ion transport that describes the time evolution of ion concentrations and potentials through...
Batch-fabricated conductive cantilevers that are merely insulated except for a small part at the tip, enable combination of atomic force microscopy and scanning electrochemical microscopy. This allows correlation of topographical features with a lateral, resolution of about 1 nm and functional features at a resolution <10 nm. Our interest is in proteins embedded in biological membranes. To study...
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