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The overall adhesion-spreading process of liposomes on a mercury electrode is controlled by a mixed diffusion and reaction kinetics mechanism |
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| Authors: | Víctor Agmo Hernández Michael Hermes Alexander Milchev Fritz Scholz |
| Institution: | 1. Department of Physical and Analytical Chemistry, Division of Physical Chemistry, Uppsala University, Box 579, 751 23, Uppsala, Sweden 2. Institut für Biochemie, Universit?t Greifswald, Felix-Hausdorff-Str. 4, 17487, Greifswald, Germany 3. Rostislaw Kaischew Institute of Physical Chemistry, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. bl. 11, 1113, Sofia, Bulgaria |
| Abstract: | Using high-resolution chronoamperometric measurements, with sampling each 1.333 μs, the initial step of the adhesion-spreading of liposomes on a mercury electrode was studied. These measurements allow getting a deeper insight into the first interaction of the liposomes with the mercury electrode, and they show that the overall adhesion-spreading process at different potentials is partially controlled by a fast but weak interaction equilibrium resulting in a mixed diffusion- and reaction-kinetics-controlled mechanism of the overall reaction. The authors dedicate this contribution to Keith Oldham on the occasion of his 80th birthday. Since my (FS) first meeting with Keith Oldham in Alan Bond’s laboratory in Australia in 1987, I had the privilege to get Keith’s unerring advice and have stimulating discussions with him for which I like to cordially thank him. |
| Keywords: | Liposomes Chronoamperometry Adhesion-spreading Mercury electrode DMPC |
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