德国马普所Helmuth M?hwald教授10月27日上午学术报告

发布时间:2014-10-14访问量:130设置

报告人:Helmuth M?hwald 教授

Max Planck Institute of Colloids and Interfaces,

Department of Interfaces, Tel: +49 (331) 567 9200, Fax: +49 (331) 567 9202,

moehwald@mpikg.mpg.de

题目:From Langmuir Monolayers to Multilayer Films and Capsules

时间:20141027日(星期一)上午10:00

地点:独墅湖校区909号楼一楼B会议室

 

摘要:

Langmuir  Monolayers possess a richness of phases as well as peculiar domain structures due to long-range electrostatic forces arising at interfaces. They can be used to form complex films of biological molecules this contributes much to the understanding of processes at membrane surfaces. However films built up from these monolayers have a complex domain structure and in case of “perfect” organization do not dissolve functional molecules. Functional organized films therefore require alternatives to the Langmuir-Blodgett technique, and one of the most promising is “Layer-by-Layer-Assembly”.

  With this technique one adsorbs alternatingly molecules, ions or particles of opposite charge , and this leads to multilayers of defined thickness and roughness with precision of nm. Due to the high modularity and versatility of the process multifunctional films can be build up, promising many applications in Bio- and materials sciences. As also curved and porous solids can be coated, and one thus obtains functional colloids, and sacrificing the cores one further obtains micro- and nanocapsules with well-defined walls. Controlling the intermolecular interactions inside these walls one can control their permeability and mechanical properties via changes of pH, temperature, salt, electrochemical potential or chemical reactions as well as via external light, microwaves or acoustic fields. The processes are at least qualitatively understood and quantitatively controlled, so that they now invite many different applications. Examples on this to be presented vary from light triggered intracellular release of a signal peptide to follow an immune reaction to release of anticorrosion agents to fabricate a self-repairing coating.

 

个人简介:

Education

1956-1965                  Elementary and secondary school in Germany

1965-1967                  Military Service (Air Force)

1967-1971                  Study of Physics (University G?ttingen)

1971                                                 Diploma in Physics (University G?ttingen)

1974                                                 PhD, Max Planck Institute for Biophysical Chemistry, G?ttingen

Positions

1974-1975                  Postdoc, (IBM San Jose)

1978                                                Habilitation in Physics (University of Ulm)

1978-1981                                Scientific Co-Worker (Dornier-System, Friedrichshafen)

1981-1987                                Associate Professor (C3) in Experimental Physics, Biophysics. (TU München)

1987-1993                                Chair (C4) in Physical Chemistry (University of Mainz)

1993-2014                  Director and Scientific Member, (Max Planck Institute of Colloids and Interfaces, Golm/ Potsdam)

since 1995                  Honorary Professor, (University of Potsdam)

since 2014                  Emeritus director and consultant at the MPI of Colloids and Interfaces

since 2014                  Consultant with the CEA at ICSM Marcoule, France

Awards and Scholarships

1979                                                  Physics Award of the German Physical Society

1998                                                  Raphael-Eduard-Liesegang Award of the German Colloid Society

2000                                                  Vannegard Lecture, Gothenburg

2002                                                  Lectureship Award of the Japanese Colloid Society

2002                                                  Founder’s Lecture, London

2002                                                  Eli Burstein Lecture, Philadelphia

2004                            Corresponding member of the Austrian Academy of Sciences

2007                                                  Gay-Lussac-Humboldt Award, French Ministry of Sci. Technol.

2007                                                  Highly cited chemist according to ISI

2007                            Overbeek Medal of the European Colloid and Interface Society

2008                            Honorary Doctorate of the University Montpellier, France

2009                            Ostwald-Medal of the German Kolloid-Gesellschaft

2010                            BP visiting lecturer, Univ. Cambridge

2012                            Member of the Academy of Europe

2014                            Langmuir Lecturer (ACS)

2014                            Elyuhar- Goldschmidt award of the Royal Spanish Chemical Society

Publications

According to WoS (Core)1.10.2014: >970 publications, h=99,> 42.000 citations

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