Nanocrystal induced organization of a langmuir phospholipid monolayer |
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Authors: | Wiegart Lutz O'Flaherty Seán M Struth Bernd |
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Affiliation: | ESRF, 6 Rue Jules Horowitz, BP 220, 38043 Grenoble Cedex, France. |
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Abstract: | The influence of crystal surface charge on the thermodynamic and structural behavior of phospholipid monolayers has been investigated. We present how charged nanocrystals in the vicinity of an inherently nonordered lipid membrane provoke strong effects on the molecular arrangement within the monolayer. Apart from the induction of phase shifts and nucleation processes, the molecules were forced to adopt an ordered phase. A very recently developed X-ray scattering method is used for the first time to replace time-consuming specular reflectivity measurements. We conclude on the potential effects of crystal surface charge on cellular membranes. |
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