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[×ÊÔ´] ¡¶Science¡·(»¯Ñ§¡¢²ÄÁÏ)Á¬ÔØ----(8 August 2008)

Theoretical Possibilities
Julia Fahrenkamp-Uppenbrink, Phil Szuromi, Jake Yeston, and Robert Coontz
Science 8 August 2008: 783.


News
Problem Solved* (*sort of)
Robert F. Service
Science 8 August 2008: 784-786.
Researchers have toiled for decades to understand how floppy chains of amino acids fold into functional proteins. Learning many of those rules has brought them to the verge of being able to make predictions about proteins they haven't even discovered.


Perspectives
Intermolecular Potentials
Anthony J. Stone
Science 8 August 2008: 787-789.


Quantum Dynamics of Chemical Reactions
David C. Clary
Science 8 August 2008: 789-791.


Insights into Current Limitations of Density Functional Theory
Aron J. Cohen, Paula Mori-S¨¢nchez, and Weitao Yang
Science 8 August 2008: 792-794.


Frontiers in Surface Scattering Simulations
Geert-Jan Kroes
Science 8 August 2008: 794-797.


Large-Scale Molecular Dynamics Simulations of Self-Assembling Systems
Michael L. Klein and Wataru Shinoda
Science 8 August 2008: 798-800.


Challenges in Modeling Materials Properties Without Experimental Input
Emily A. Carter
Science 8 August 2008: 800-803.

The Crystal Structure of a Sodium Galactose Transporter Reveals Mechanistic Insights into Na+/Sugar Symport
Salem Faham, Akira Watanabe, Gabriel Mercado Besserer, Duilio Cascio, Alexandre Specht, Bruce A. Hirayama, Ernest M. Wright, and Jeff Abramson
Science 8 August 2008: 810-814.
Published online 3 July 2008 [DOI: 10.1126/science.1160406] (in Science Express Research Articles)
The structure of a sugar transporter suggests how these proteins may rearrange to permit the sugar to enter and leave the binding site on opposite sides of the membrane.

Large Electrocaloric Effect in Ferroelectric Polymers Near Room Temperature
Bret Neese, Baojin Chu, Sheng-Guo Lu, Yong Wang, E. Furman, and Q. M. Zhang
Science 8 August 2008: 821-823.
A polymer undergoes a large change in ordering on application of an electric field at near-room temperatures, causing a temperature drop potentially useful for refrigeration.

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