3,497 research outputs found

    Absolute FKBP binding affinities obtained via non-equilibrium unbinding simulations

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    We compute absolute binding affinities for two ligands bound to the FKBP protein using non-equilibrium unbinding simulations. The methodology is straight-forward, requiring little or no modification to many modern molecular simulation packages. The approach makes use of a physical pathway, eliminating the need for complicated alchemical decoupling schemes. Results of this study are promising. For the ligands studied here the binding affinities are typically estimated within less than 4.0 kJ/mol of the target values; and the target values are within less than 1.0 kJ/mol of experiment. These results suggest that non-equilibrium simulation could provide a simple and robust means to estimate protein-ligand binding affinities.Comment: 9 pages, 3 figures (no necessary color). Changes made to methodology and results between revision

    Electrostatically-Driven Resonator on Soi with Improved Temperature Stability

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    This paper deals with a single-crystal-silicon (SCS) MEMS resonator with improved temperature stability. While simulations have shown that the temperature coefficient of resonant frequency can be down to 1 ppm/degrees C, preliminary measurements on non-optimised structures gave evidence of a temperature coefficient of 29 ppm/degrees C. Design, optimisation, experimental results with post process simulation and prospective work are presented.Comment: Submitted on behalf of TIMA Editions (http://irevues.inist.fr/tima-editions

    Weiterbildungsprogramm in Hausarztmedizin Ein Gegenvorschlag zum Weiterbildungsprogramm «AllgemeineInnereMedizin»

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    Für die hausärztliche Tätigkeit in der ambulanten Pri-märversorgung ist der Entwurf des Weiterbildungsprogramms(WBP)«AllgemeineInnereMedizin»(AIM)weit weg von internationalen Standards und verbaut mit der Übergewichtung der stationären Inneren Medizin die weitere Entwicklung der Hausarztmedizin in der Schweiz. In diesem Artikel wird der Rahmen eines WBP in Hausarztmedizin präsentiert, das im Pflichtteil alle WB-Bereiche der Hausarztmedizin abdeckt, individuell grosse Freiheit lässt und auch zum Facharzt-Titel«All-gemeine Innere Medizin / Spitalinternist» offen ist
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