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28 Results Found

  • Article
  • Open Access
16 Citations
4,968 Views
14 Pages

11 February 2020

Our recently developed optimized potentials for liquid simulations-virtual site ionic liquid (OPLS-VSIL) force field has been shown to provide accurate bulk phase properties and local ion-ion interactions for a wide variety of imidazolium-based ionic...

  • Article
  • Open Access
35 Citations
8,623 Views
16 Pages

2 April 2021

Poly(ethylene oxide) (PEO)-based polymers are common hosts in solid polymer electrolytes (SPEs) for high-power energy devices. Molecular simulations have provided valuable molecular insights into structures and ion transport mechanisms of PEO-based S...

  • Article
  • Open Access
4 Citations
4,548 Views
16 Pages

Influence of Ethanol Parametrization on Diffusion Coefficients Using OPLS-AA Force Field

  • Bruno Zêzere,
  • Tiago V. B. Fonseca,
  • Inês Portugal,
  • Mário M. Q. Simões,
  • Carlos M. Silva and
  • José R. B. Gomes

Molecular dynamics simulations employing the all-atom optimized potential for liquid simulations (OPLS-AA) force field were performed for determining self-diffusion coefficients (D11) of ethanol and tracer diffusion coefficients (D12) of solutes in e...

  • Review
  • Open Access
1 Citations
803 Views
40 Pages

8 December 2025

The transition to sustainable aviation fuel (SAF) is critical for reducing the carbon footprint of the aviation sector while ensuring compatibility with current engines and infrastructure. Regulatory constraints, such as ASTM D7566, currently limit S...

  • Article
  • Open Access
11 Citations
3,906 Views
19 Pages

Extraction of Mechanical Parameters via Molecular Dynamics Simulation: Application to Polyimides

  • Philipp Rosenauer,
  • Christoph Kratzer,
  • Silvia Larisegger and
  • Stefan Radl

14 March 2024

Polyimides feature a vast number of industrial applications due to their high thermal stability and insulation properties. These polymers exhibit an exceptional combination of thermal stability and mechanical toughness, which allows the semiconductor...

  • Article
  • Open Access
16 Citations
5,804 Views
17 Pages

Entropy of Simulated Liquids Using Multiscale Cell Correlation

  • Hafiz Saqib Ali,
  • Jonathan Higham and
  • Richard H. Henchman

31 July 2019

Accurately calculating the entropy of liquids is an important goal, given that many processes take place in the liquid phase. Of almost equal importance is understanding the values obtained. However, there are few methods that can calculate the entro...

  • Article
  • Open Access
3 Citations
2,541 Views
24 Pages

n-Octanol and related ether alcohols are studied via molecular dynamics (MD) simulations using the two classical all-atom force fields OPLS-AA and CHARMM. The ether alcohols studied possess one ether functionality separated by varying n carbon atoms...

  • Article
  • Open Access
9 Citations
2,797 Views
22 Pages

Molecular Dynamics Study of the Green Solvent Polyethylene Glycol with Water Impurities

  • Markus M. Hoffmann,
  • Matthew D. Too,
  • Nathaniel A. Paddock,
  • Robin Horstmann,
  • Sebastian Kloth,
  • Michael Vogel and
  • Gerd Buntkowsky

30 April 2024

Polyethylene glycol (PEG) is one of the environmentally benign solvent options for green chemistry. It readily absorbs water when exposed to the atmosphere. The Molecular Dynamics (MD) simulations of PEG200, a commercial mixture of low molecular weig...

  • Article
  • Open Access
21 Citations
7,027 Views
16 Pages

21 November 2011

The aim of this work is to investigate the effects of different force fields and temperatures on the structural character of Aβ (12–28) peptide in aqueous solution. Moreover, the structural character of Aβ (12–28) peptide is compared with other amylo...

  • Article
  • Open Access
10 Citations
6,885 Views
11 Pages

In the past few years, the sol-gel polycondensation technique has been increasingly employed with great success as an alternative approach to the preparation of molecularly imprinted materials (MIMs). The main aim of this study was to study, through...

  • Article
  • Open Access
28 Citations
4,799 Views
14 Pages

Steered Pull Simulation to Determine Nanomechanical Properties of Cellulose Nanofiber

  • Ruth M. Muthoka,
  • Hyun Chan Kim,
  • Jung Woong Kim,
  • Lindong Zhai,
  • Pooja S. Panicker and
  • Jaehwan Kim

5 February 2020

Cellulose nanofiber (CNF) exhibits excellent mechanical properties, which has been extensively proven through experimental techniques. However, understanding the mechanisms and the inherent structural behavior of cellulose is important in its vastly...

  • Article
  • Open Access
4 Citations
3,632 Views
14 Pages

Comparing Dimerization Free Energies and Binding Modes of Small Aromatic Molecules with Different Force Fields

  • Ilias Patmanidis,
  • Riccardo Alessandri,
  • Alex H. de Vries and
  • Siewert J. Marrink

7 October 2021

Dimerization free energies are fundamental quantities that describe the strength of interaction of different molecules. Obtaining accurate experimental values for small molecules and disentangling the conformations that contribute most to the binding...

  • Article
  • Open Access
2 Citations
2,007 Views
14 Pages

5 January 2024

In this work, we aim to understand and predict the thermal properties of automotive lubricants using non-equilibrium molecular dynamics. After a previous study on model materials for the mechanical parts of a car engine, we now focus on the thermal c...

  • Article
  • Open Access
124 Citations
12,076 Views
17 Pages

A Comparison of Classical Force-Fields for Molecular Dynamics Simulations of Lubricants

  • James P. Ewen,
  • Chiara Gattinoni,
  • Foram M. Thakkar,
  • Neal Morgan,
  • Hugh A. Spikes and
  • Daniele Dini

2 August 2016

For the successful development and application of lubricants, a full understanding of their complex nanoscale behavior under a wide range of external conditions is required, but this is difficult to obtain experimentally. Nonequilibrium molecular dyn...

  • Article
  • Open Access
19 Citations
5,950 Views
11 Pages

All-Atom Molecular Dynamics Simulations on a Single Chain of PET and PEV Polymers

  • Mattanun Sangkhawasi,
  • Tawun Remsungnen,
  • Alisa S. Vangnai,
  • Rungtiva P. Poo-arporn and
  • Thanyada Rungrotmongkol

14 March 2022

Polyethylene vanillic (PEV), a bio-based material, has mechanical and thermal properties similar to polyethylene terephthalate (PET), the most common polymer used in industries. The present study aimed to investigate and compare their structural dyna...

  • Article
  • Open Access
1 Citations
4,583 Views
30 Pages

6 September 2022

The increasing interest in the molecular mechanism of the binding of different agonists and antagonists to β2-adrenergic receptor (β2AR) inactive and active states has led us to investigate protein–ligand interactions using molecular...

  • Article
  • Open Access
18 Citations
8,937 Views
13 Pages

Combining Coarse-Grained Protein Models with Replica-Exchange All-Atom Molecular Dynamics

  • Jacek Wabik,
  • Sebastian Kmiecik,
  • Dominik Gront,
  • Maksim Kouza and
  • Andrzej Koliński

10 May 2013

We describe a combination of all-atom simulations with CABS, a well-established coarse-grained protein modeling tool, into a single multiscale protocol. The simulation method has been tested on the C-terminal beta hairpin of protein G, a model syste...

  • Article
  • Open Access
12 Citations
3,837 Views
22 Pages

8 January 2022

Electrostatic interactions have a determining role in the conformational and dynamic behavior of polyelectrolyte molecules. In this study, anionic polyelectrolyte molecules, poly(glutamic acid) (PGA) and poly(aspartic acid) (PASA), in a water solutio...

  • Article
  • Open Access
5 Citations
5,637 Views
19 Pages

7 August 2012

Molecular dynamics (MD) simulations were performed on sterically hindered -conidendrin-based chiral 1,4-diols (LIGNOLs) from the naturally occurring lignan hydroxymatairesinol (HMR) using the GROMACS software. The aim of this study was to explore the...

  • Article
  • Open Access
2 Citations
1,845 Views
12 Pages

Molecular Modelling of Polychlorinated Dibenzo-p-Dioxins Non-Covalent Interactions with β and γ-Cyclodextrins

  • Maria-Cristina Ghetu,
  • Marian Virgolici,
  • Alina Tirsoaga and
  • Ioana Stanculescu

25 August 2023

Polychlorinated dibenzo-p-dioxins (PCDD) are persistent organic pollutants which result as byproducts in industrial or combustion processes and induce toxicity in both wildlife and humans. In this study, all seven PCDD, tetrachlorinated dibenzo-p-dio...

  • Article
  • Open Access
2 Citations
3,735 Views
22 Pages

Molecular Dynamics Investigation of Phenolic Oxidative Coupling Protein Hyp-1 Derived from Hypericum perforatum

  • Joanna Smietanska,
  • Tomasz Kozik,
  • Radoslaw Strzalka,
  • Ireneusz Buganski and
  • Janusz Wolny

6 January 2021

Molecular dynamics (MD) simulations provide a physics-based approach to understanding protein structure and dynamics. Here, we used this intriguing tool to validate the experimental structural model of Hyp-1, a pathogenesis-related class 10 (PR-10) p...

  • Article
  • Open Access
10 Citations
4,803 Views
20 Pages

Self-assembled cyclic peptide nanotubes with alternating D- and L-amino acid residues in the sequence of each subunit have attracted a great deal of attention due to their potential for new nanotechnology and biomedical applications, mainly in the fi...

  • Article
  • Open Access
8 Citations
2,573 Views
15 Pages

26 April 2023

Thermal conductivities of polybutadiene crosslinked with sulfur as a function of the heat flux autocorrelation function by using an equilibrium molecular dynamic (EMD) simulation were investigated. The Green–Kubo method was used to calculate th...

  • Article
  • Open Access
9 Citations
3,313 Views
12 Pages

Molecular Dynamics Studies of the Mechanical Behaviors and Thermal Conductivity of Polyisoprene with Different Degrees of Polymerization

  • Zhiyuan Chen,
  • Qunzhang Tu,
  • Zhonghang Fang,
  • Xinmin Shen,
  • Qin Yin,
  • Xiangpo Zhang and
  • Ming Pan

16 November 2022

Polyisoprene, with a high degree of polymerization, is the main component of natural rubber. In the industrial production process, it is necessary to adjust the length of the macromolecule of polyisoprene to improve its plasticity. It is thus of vita...

  • Article
  • Open Access
15 Citations
5,566 Views
16 Pages

11 February 2020

Glucosinolates are secondary plant metabolites of Brassicaceae. They exert their effect after enzymatic hydrolysis to yield aglycones, which become nitriles and epithionitriles through the action of epithiospecifier (ESP) and nitrile-specifier protei...

  • Article
  • Open Access
3 Citations
3,573 Views
25 Pages

26 April 2022

Our work concerns the study of four candidate drug compounds of the terpenoid family, found as essential oil ingredients in species of the Greek endemic flora, namely carvacrol, p-cymene, γ-terpinene, and thymol, via the simulation method of mo...

  • Article
  • Open Access
12 Citations
4,573 Views
22 Pages

Novel Benzimidazole Derived Imine Ligand and Its Co(III) and Cu(II) Complexes as Anticancer Agents: Chemical Synthesis, DFT Studies, In Vitro and In Vivo Biological Investigations

  • Prakasha G,
  • H. D. Revanasiddappa,
  • Jayalakshmi B,
  • Prabhakar B. T,
  • Chandan Shivamallu,
  • Prashant M. Viswanath,
  • Raghu Ram Achar,
  • Ekaterina Silina,
  • Victor Stupin and
  • Shiva Prasad Kollur
  • + 6 authors

13 January 2023

The emerging interest in the field of coordination chemistry and their biological applications has created a novel impact in the field of chemical biology. With this motivation, in this work we have synthesized a novel benzimidazole derived imine lig...

  • Article
  • Open Access
1 Citations
2,017 Views
29 Pages

Comprehensive Investigation of Polymorphic Stability and Phase Transformation Kinetics in Tegoprazan

  • Joo Ho Lee,
  • Ki Hyun Kim,
  • Se Ah Ryu,
  • Jason Kim,
  • Kiwon Jung,
  • Ki Sung Kang and
  • Tokutaro Yamaguchi

Background/Objectives: Tegoprazan (TPZ) is a potassium-competitive acid blocker (P-CAB) used to treat conditions such as gastroesophageal reflux disease, peptic ulcer, and Helicobacter pylori infection. It exists in three solid forms: amorphous, Poly...