Search results for ""author bengt norden""

Mentioned as the second prize area in his will, Chemistry was the most important science for Alfred Nobel's own work. The development of Nobel's inventions as well as the industrial processes he employed were based upon chemical knowledge. This volume is a collection of the Nobel lectures delivered by the prizewinners, together with their biographies and the presentation speeches for the period 2006-2010. Each Nobel lecture is based on the work for which the laureate was awarded the prize.List of prizewinners and their award citations:(2006) Roger D Kornberg — for his studies of the molecular basis of eukaryotic transcription;(2007) Gerhard Ertl — for his studies of chemical processes on solid surfaces;(2008) Osamu Shimomura, Martin Chalfie and Roger Y Tsien — for the discovery and development of the green fluorescent protein, GFP;(2009) Venkatraman Ramakrishnan, Thomas A Steitz and Ada E Yonath — for studies of the structure and function of the ribosome;(2010) Richard F Heck, Ei-ichi Negishi and Akira Suzuki — for palladium-catalyzed cross couplings in organic synthesis.

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This book provides an introduction to optical anisotropy (linear dichroism, LD) and optical activity (circular dichroism, CD) as techniques for the study of structures and interactions of molecules in solution. The book covers the use of these techniques for both small and large molecular systems with particular emphasis being placed on proteins and nucleic acids. CD is a well-established technique and this book aims to explain how it can be used simply and effectively for new entrants to the field as well as covering more advanced techniques for experts. LD is often seen as a rather exotic method intended only for experienced spectroscopists. This book demonstrates that it is an approach with real utility that may be used by both students and scientists from graduate level onwards to give simple answers, which are not available from any other technique, to structural and kinetic questions. Much of the emphasis is on flow orientation of samples in solution phase. The book first describes the techniques and the information they can provide; it then goes on to give specific details on how to actually implement them, including a wide range of examples showing how LD and CD can help with * protein and nucleic acid secondary structure elucidation; * analysis of the formation and rearrangements of fibrous proteins and membrane proteins; * identification of the absolute configuration of small molecules; * determination of the orientation of small molecules in anisotropic media; * assignment of transition moment polarizations; * investigation of binding strengths and geometries of ligand-macromolecule complexes; * 3-D structure determination from LD, molecular replacement and MD modeling. The advantages of combined LD/CD studies are also outlined with examples of DNA/drug complexes and protein insertion into membranes. Taken together the book represents a comprehensive text on the theory and application of LD and CD in the chemical and biological sciences.

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