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Related papers: A Multipurpose Reduced Mechanism for Ethanol Combu…

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Ethanol is a molecule of fundamental interest in combustion, astrochemistry, and condensed phase as a solvent. It is characterized by two methyl rotors and $trans$ ($anti$) and $gauche$ conformers, which are known to be very close in…

Chemical Physics · Physics 2022-08-23 Apurba Nandi , Riccardo Conte , Chen Qu , Paul L. Houston , Qi Yu , Joel M. Bowman

Efficient analysis and simulation of multiscale stochastic systems of chemical kinetics is an ongoing area for research, and is the source of many theoretical and computational challenges. In this paper, we present a significant improvement…

Numerical Analysis · Mathematics 2016-09-21 Simon Cotter

An algorithm is given in this paper for the computation of dynamically equivalent weakly reversible realizations with the maximal number of reactions, for chemical reaction networks (CRNs) with mass action kinetics. The original problem…

Dynamical Systems · Mathematics 2011-07-05 Gabor Szederkenyi , Katalin M. Hangos , Zsolt Tuza

The aim of the presented work is to analyze the impact of experimentally evaluated reactions of hydrogen abstraction on surfaces of interstellar grains on the chemical evolution of methanol and its precursors on grains and in the gas phase…

Astrophysics of Galaxies · Physics 2021-03-24 V. A. Sokolova

The new simple method of the energy reconstruction for a combined calorimeter, which we called the e/h method, is suggested. It uses only the known e/h ratios and the electron calibration constants and does not require the determination of…

High Energy Physics - Experiment · Physics 2007-05-23 Y. A. Kulchitsky , M. V. Kuzmin , V. B. Vinogradov

This study aims to reveal the important role and the respective rate rules of H atom abstractions by NO2 for better understanding NOX hydrocarbon interactions. To this end, H atom abstractions from C2 to C5 alkanes and alkenes 15 species by…

Chemical Physics · Physics 2024-08-28 Hongqing Wu , Ruoyue Tang , Xinrui Ren , Mingrui Wang , Guojie Liang , Haolong Li , Song Cheng

Hybrid quantum mechanical-molecular mechanical (QM/MM) simulations are widely used in studies of enzymatic catalysis. Until recently, it has been cost prohibitive to determine the asymptotic limit of key energetic and structural properties…

Biomolecules · Quantitative Biology 2016-10-11 Heather J. Kulik , Jianyu Zhang , Judith P. Klinman , Todd J. Martinez

We present a continuing study of a sample 44 molecular outflows, observed in 13CO lines, closely associated with 6.7GHz methanol masers, hence called Methanol Maser Associated Outflows (MMAOs). We compare MMAO properties with those of…

A mathematical model for chemical reactions in electrolytes is developed using an Energy variational method consistent with classical thermodynamics. Electrostatics and chemical reactions are included in properly defined energetic and…

Chemical Physics · Physics 2022-07-08 Shixin Xu , Robert Eisenberg , Zilong Song , Huaxiong Huang

A method to generate reactive trajectories, namely equilibrium trajectories leaving a metastable state and ending in another one is proposed. The algorithm is based on simulating in parallel many copies of the system, and selecting the…

Statistical Mechanics · Physics 2015-05-19 Frédéric Cérou , Arnaud Guyader , Tony Lelièvre , David Pommier

Low-temperature plasmas are partially ionized gases, where ions and neutrals coexist in a highly reactive environment. This creates a rich chemistry, which is often difficult to understand in its full complexity. In this work, we develop a…

Plasma Physics · Physics 2024-09-13 Diogo R. Ferreira , Alexandre Lança , Luís Lemos Alves

Metabolic models condense biochemical knowledge about organisms in a structured and standardised way. As large-scale network reconstructions are readily available for many organisms, genome-scale models are being widely used among modellers…

Molecular Networks · Quantitative Biology 2025-10-15 Marco Corrao , Hai He , Wolfram Liebermeister , Elad Noor , Arren Bar-Even

We present a method to sample reactive pathways via biased molecular dynamics simulations in trajectory space. We show that the use of enhanced sampling techniques enables unconstrained exploration of multiple reaction routes. Time…

Computational Physics · Physics 2020-07-15 Davide Mandelli , Barak Hirshberg , Michele Parrinello

We have selected the positions of 54 6.7GHz methanol masers from the Methanol Multibeam Survey catalogue, covering a range of longitudes between $20^{\circ}$ and $34^{\circ}$ of the Galactic Plane. These positions were mapped in the J=3-2…

Molecular dynamics simulations are widely used across chemistry, physics, and biology, providing quantitative insight into complex processes with atomic detail. However, their limited timescale of a few microseconds is a significant…

Chemical Physics · Physics 2025-04-10 Ofir Blumer , Barak Hirshberg

We present an evolutionary construction technique of formation energy convex hull to search for thermodynamically stable compounds. In this technique, candidates with a wide variety of chemical compositions and crystal structures are…

Materials Science · Physics 2020-07-01 Takahiro Ishikawa , Takashi Miyake

Finding synthesis routes for molecules of interest is an essential step in the discovery of new drugs and materials. To find such routes, computer-assisted synthesis planning (CASP) methods are employed which rely on a model of chemical…

The enzyme turnover rate is a fundamental parameter in enzyme kinetics, reflecting the catalytic efficiency of enzymes. However, enzyme turnover rates remain scarce across most organisms due to the high cost and complexity of experimental…

Machine Learning · Computer Science 2025-09-16 Bozhen Hu , Cheng Tan , Siyuan Li , Jiangbin Zheng , Sizhe Qiu , Jun Xia , Stan Z. Li

Various kinetic Monte Carlo algorithms become inefficient when some of the population sizes in a system are large, which gives rise to a large number of reaction events per unit time. Here, we present a new acceleration algorithm based on…

Quantitative Methods · Quantitative Biology 2019-07-24 Yen Ting Lin , Song Feng , William S. Hlavacek

A major challenge in nonadiabatic molecular dynamics is to automatically and objectively identify the key reaction coordinates that drive molecules toward distinct excited-state decay channels. Traditional manual analyses are inefficient…

Chemical Physics · Physics 2025-11-18 Hangxu Liu , Yifei Zhu , Zhenggang Lan