نتایج جستجو برای: gc msms

تعداد نتایج: 36455  

Journal: :Entropy 2014
Marco Sarich Ralf Banisch Carsten Hartmann Christof Schütte

Rare but important transition events between long lived states are a key feature 1 of many molecular systems. In many cases the computation of rare event statistics by direct 2 molecular dynamics (MD) simulations is infeasible even on the most powerful computers 3 because of the immensely long simulation timescales needed. Recently a technique for 4 spatial discretization of the molecular state...

Journal: :American journal of epidemiology 2004
Lisa M Bodnar Marie Davidian Anna Maria Siega-Riz Anastasios A Tsiatis

Marginal structural models (MSMs) are causal models designed to adjust for time-dependent confounding in observational studies of time-varying treatments. MSMs are powerful tools for assessing causality with complicated, longitudinal data sets but have not been widely used by practitioners. The objective of this paper is to illustrate the fitting of an MSM for the causal effect of iron suppleme...

Journal: :Materials & Design 2021

• A comprehensive picture of the shape-morphing phenomenon MSMs is highlighted. Materials and advanced 3D printing techniques for are discussed in detail. Programming (re-programming) actuation delivered Applications classified using a length-scale (macro/milli/micro/nanoscale) first time. Specific examples properties extensively used potential direction presented. Magnetoactive soft materials ...

Journal: :Current opinion in structural biology 2014
John D Chodera Frank Noé

It has recently become practical to construct Markov state models (MSMs) that reproduce the long-time statistical conformational dynamics of biomolecules using data from molecular dynamics simulations. MSMs can predict both stationary and kinetic quantities on long timescales (e.g. milliseconds) using a set of atomistic molecular dynamics simulations that are individually much shorter, thus add...

Journal: :Electronic journal of statistics 2007
Romain Neugebauer Mark J van der Laan Marshall M Joffe Ira B Tager

A new class of Marginal Structural Models (MSMs), History-Restricted MSMs (HRMSMs), was recently introduced for longitudinal data for the purpose of defining causal parameters which may often be better suited for public health research or at least more practicable than MSMs (6, 2). HRMSMs allow investigators to analyze the causal effect of a treatment on an outcome based on a fixed, shorter and...

2005
Zhongzhen ZHAO Jia LU Kelvin LEUNG Chi Leung CHAN Zhi - Hong

cablin (BLANCO) BENTH. (Family Labiatae), commonly known as “Guang-Huo-Xiang” or Cablin Patchouli. It is a Chinese Materia Medica traditionally used for the treatment of common cold, nausea and diarrhea. Patchouli oil, the volatile oil of P. cablin, has been widely used in the cosmetic and oral hygiene industries to scent perfumes, flavor toothpaste, etc. Modern researches have repeatedly demon...

Journal: :The Journal of chemical physics 2004
Nina Singhal Christopher D Snow Vijay S Pande

We propose an efficient method for the prediction of protein folding rate constants and mechanisms. We use molecular dynamics simulation data to build Markovian state models (MSMs), discrete representations of the pathways sampled. Using these MSMs, we can quickly calculate the folding probability (P(fold)) and mean first passage time of all the sampled points. In addition, we provide technique...

2016
Guohong Zhang Huifang Zhang Hongxuyang Yu Zheng Zhao Jie Yang Mianzhi Zhang Minying Zhang

OBJECTIVES To measure potential acceptability of rectal microbicides and to explore factors likely to affect their acceptability among men who have sex with men (MSM). METHODS Cross-sectional and retrospective surveys were conducted in this study. A questionnaire and a scale were used to measure the acceptability score for physical and functional characteristics of hypothetical rectal microbi...

Journal: :The Journal of chemical physics 2013
Frank Noé Hao Wu Jan-Hendrik Prinz Nuria Plattner

Markov state models (MSMs) have been successful in computing metastable states, slow relaxation timescales and associated structural changes, and stationary or kinetic experimental observables of complex molecules from large amounts of molecular dynamics simulation data. However, MSMs approximate the true dynamics by assuming a Markov chain on a clusters discretization of the state space. This ...

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