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PubMed2000

Chirally Modified n-Butyllithium: Tuning the Composition, Structure, and Enantioselectivity with Modular Fencholates This work was supported by the Fonds der Chemische Industrie (Sachbeihilfe and Liebig-Stipend for B.G.), the Deutsche Forschungsgemeinschaft (GO 930/1-1 and Habilitationsstipendium), the Research Pool Foundation (University Heidelberg), the Degussa-Hüls AG, and the BASF AG. B.G. is grateful to Prof. P. Hofmann for support at Heidelberg and thanks Prof. G. Boche (Marburg), Prof. D. Hoppe (Münster), and Prof. D. Seebach (Zürich) for fruitful suggestions. Parts of this work were presented at the 37th IUPAC Congress/ 27th GDCh General Meeting in Berlin (1999) and at the SFB-424 Symposium in Münster (2000).

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PubMed2004

Nanotubes by template wetting: a modular assembly system.

The wetting of porous templates with polymer melts and solutions or polymer-containing mixtures is a simple and versatile method for the preparation of tubular structures with diameters ranging from a few tens of nanometers to micrometers. The tube walls can be made of a multitude of materials, some of which have thus far been altogether impossible to use or very limited in their ability to be incorporated into nanostuctures. Template wetting also makes it possible to modify the nanotubes in a variety of ways, for example through the controlled generation of pores or the embedding of nanoparticles into the walls. This method offers a promising approach to functionalized nanotube-template hybrid systems and free-standing nanotubes.

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