Ruediger Voelkel

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NMR microimaging has been applied to the characterization of foam materials, in order to understand their properties and gain deeper insight into their structures. The structure of "open cell" foams can be visualized with sufficient resolution to obtain the size and shape of cells, as well as their spatial distribution within specimens. Statistics of cell(More)
1. Introduction Emulsions are heterogeneous systems of a liquid dispersed in another one in the form of droplets having radii in the order of micrometers. Emulsions are widely applied in many fields of high commercial importance, for example adhesives, cosmetics, paints, food, pharmaceuticals, and in plant protection. Many properties such as viscosity,(More)
With the aid of the histochemical phenoloxidase (PO) assay, 12 substances were tested. On the one side they can act as substrates or as inhibitors of phenoloxidase and on the other side as immunogenic or immunosuppressive compounds. In particular the following substances were investigated: o-cresol, Levamisol, prednisolonebisuccinate, Bleocin,(More)
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