Assessment of GAFF and OPLS force fields for urea: crystal and aqueous solution properties

S Anker, D McKechnie, P Mulheran, J Sefcik… - Crystal Growth & …, 2023 - ACS Publications
Molecular simulations such as Monte Carlo, molecular dynamics, and metadynamics have
been used to provide insight into crystallization phenomena, including nucleation and …

A transferable polarizable force field for urea crystals and aqueous solutions

K Jeong, JG McDaniel, A Yethiraj - The Journal of Physical …, 2020 - ACS Publications
Urea is an important chemical with many biological and industrial applications. In this work,
we develop a first-principles polarizable force field for urea crystals and aqueous solutions …

A test of improved force field parameters for urea: molecular-dynamics simulations of urea crystals

GA Özpınar, FR Beierlein, W Peukert, D Zahn… - Journal of molecular …, 2012 - Springer
Molecular-dynamics (MD) simulations of urea crystals of different shapes (cubic, rectangular
prismatic, and sheet) have been performed using our previously published force field for …

Structure and thermodynamics of aqueous urea solutions from ambient to kilobar pressures: From thermodynamic modeling, experiments, and first principles …

C Hölzl, P Kibies, S Imoto, J Noetzel, M Knierbein… - Biophysical …, 2019 - Elsevier
Molecular simulations based on classical force fields are a powerful method for shedding
light on the complex behavior of biomolecules in solution. When cosolutes are present in …

Molecular force field development for aqueous electrolytes: 2. Polarizable models incorporating crystalline chemical potential and their accurate simulations of halite …

J Dockal, M Lísal, F Moucka - Journal of Chemical Theory and …, 2020 - ACS Publications
The current state-of-the-art force fields (FFs) for Na+ and Cl–ions are not capable of
simultaneously predicting the thermodynamic properties of the aqueous solution and the …

Force field for molecular dynamics studies of glycine/water mixtures in crystal/solution environments

S Gnanasambandam, Z Hu, J Jiang… - The Journal of …, 2009 - ACS Publications
Defining a force field for the theoretical predictions of the structure and growth of
pharmaceutical crystals is very difficult because of the complex intermolecular bonding …

Molecular-dynamics simulations of urea nucleation from aqueous solution

M Salvalaglio, C Perego, F Giberti… - Proceedings of the …, 2015 - National Acad Sciences
Despite its ubiquitous character and relevance in many branches of science and
engineering, nucleation from solution remains elusive. In this framework, molecular …

Machine learning directed optimization of classical molecular modeling force fields

BJ Befort, RS DeFever, GM Tow… - Journal of Chemical …, 2021 - ACS Publications
Accurate force fields are necessary for predictive molecular simulations. However,
developing force fields that accurately reproduce experimental properties is challenging …

Framework for conducting and analyzing crystal simulations of nucleic acids to aid in modern force field evaluation

S Ekesan, DM York - The Journal of Physical Chemistry B, 2019 - ACS Publications
Crystal simulations provide useful tools, along with solution simulations, to test nucleic acid
force fields, but should be interpreted with care owing to the difficulty of establishing the …

Comparative study of force fields for molecular dynamics simulations of α-glycine crystal growth from solution

DW Cheong, YD Boon - Crystal growth & design, 2010 - ACS Publications
The study of crystal growth using molecular dynamics is very difficult due to the slow rate of
growth and the complex intermolecular interactions involved. In order to perform molecular …