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P. Jena, S. N. Khanna, B. K. Rao, International Symposium on Clusters And, "Clusters And Nano-assemblies"

The International Symposium on "Clusters and Nano-Assemblies: Physical and Biological Systems" was held in Richmond, Virginia from November 10-13, 2003. The symposium dealt with the fundamental science and technology of atomic clusters, nano-structures and their assemblies in physical and biological systems. The manner in which finite size, low dimensionality and reduced symmetry affect the properties of nano-assemblies was explored. While the field of clusters and nano-structures in physical sciences has been actively pursued over the past two decades, nature has known the benefit of nano-scale for a very long time. The focus of this symposium was to explore ways by which an understanding of unique properties of nano-scale biological systems such as proteins, enzyme reactions, RNA, and DNA can help us design novel materials composed of inorganic nano-scale ystems in physical sciences. Similarly, how the techniques developed in physical sciences can lead to a fundamental nderstanding ofbiological systems was explored. The study of proteins in the gas phase through electrospray ionization mass spectroscopy, for which Professor John Fenn of Virginia Commonwealth Universitywon the 2002 Nobel Prize in Chemistry, is an example of how the interface between the physical and biological sciences can lead to major breakthroughs. In addition to ssessing current understanding of these fields, outstanding problems and future directions were brought into focus. For example, how does one proceed from knowing the novel properties of isolated clusters and nano-particles to materials where these constitute the building blocks? How does one make use of the nature's creation such as enzymes to synthesize inorganic nano-structures with unique functionality that never existed in nature? The synergism produced by bringing together researchers working on urfaces, interfaces, clusters, and nano-structures in physical and biological sciences helped to answer some of these questions. The impact of these materials on technology was also discussed.

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