Efficient Calculation of Microscopic Dissolution Rate Constants: The Aspirin-Water Interface.

Efficient Calculation of Microscopic Dissolution Rate Constants: The Aspirin-Water Interface.
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有效计算微观溶出速率常数:阿司匹林-水界面

DOI:
10.1021/jz501939c
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发表时间:
2014
期刊:
The journal of physical chemistry letters
影响因子:
--
通讯作者:
Reuter
Reuter
中科院分区:
--
文献类型:
--
作者:
Schneider;Reuter

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我们提出了一种分子模拟的方法,有效地确定定量的速率常数从有机晶体罕见的溶解事件。采用元吸附法产生一个量身定制的偏置电位,加速逃逸的束缚态在随后的超动力学模拟。在阿司匹林(001)/水界面处的扭结位点溶解的应用中获得的鲁棒性和加速性表明该技术是解开晶体溶解的原子尺度机制的合适工具。
We present a molecular simulation approach to efficiently determine quantitative rate constants for rare dissolution events from organic crystals. Metadynamics is employed to generate a tailored bias potential that accelerates the escape from the bound state in subsequent hyperdynamics simulations. The robustness and acceleration obtained in the application to kink site dissolution at the aspirin(001)/water interface suggests this technique as a suitable tool to unravel the atomic-scale mechanisms of crystal dissolution.
阿司匹林/水界面表面缺陷的热力学
DOI: 10.1063/1.4895906
发表时间: 2014
期刊: The Journal of chemical physics
影响因子: --
作者:
Schneider;Reuter
通讯作者: Reuter
DOI: 10.1039/tf9514701191
发表时间: 1951-01-01
影响因子: --
作者:
EDWARDS, LJ
通讯作者: EDWARDS, LJ
阿司匹林晶体的比表面能和溶解行为
DOI: 10.1248/cpb.33.4125
发表时间: 1985
影响因子: 1.7
作者:
Yesook Kim;M. Matsumoto;K. Machida
通讯作者: K. Machida