Adaptive ensemble biomolecular applications at scale

V Balasubramanian, T Jensen, M Turilli, P Kasson… - SN Computer …, 2020 - Springer
Recent advances in both theory and methods have created opportunities to simulate
biomolecular processes more efficiently using adaptive ensemble simulations. Ensemble …

Inorganic anion recognition in aqueous solution by coupling nearby highly hydrophilic and hydrophobic moieties in a macrocyclic receptor

GM Romano, M Savastano, C Bazzicalupi… - Dalton …, 2023 - pubs.rsc.org
Receptor L, composed of a tripropylenetetramine chain linking the 2 and 7 positions of an
acridine unit via methylene bridges, behaves as a pentaprotic base in aqueous solution. The …

High-precision work distributions for extreme nonequilibrium processes in large systems

AK Hartmann - Physical Review E, 2014 - APS
The distributions of work for strongly nonequilibrium processes are studied using a very
general form of a large-deviation approach, which allows one to study distributions down to …

Ethanol electro-oxidation reaction on the Pd (111) surface in alkaline media: insights from quantum and molecular mechanics

J Campeggio, V Volkov, M Innocenti… - Physical Chemistry …, 2022 - pubs.rsc.org
The ethanol electro-oxidation catalyzed by Pd in an alkaline environment involves several
intermediate reaction steps promoted by the hydroxyl radical, OH. In this work, we report on …

Performance assessment of ensembles of in situ workflows under resource constraints

TMA Do, L Pottier, R Ferreira da Silva… - Concurrency and …, 2023 - Wiley Online Library
Scientific breakthroughs in biomolecular methods and improvements in hardware
technology have shifted from a long‐running simulation to a large set of shorter simulations …

Multiple time step molecular dynamics in the optimized isokinetic ensemble steered with the molecular theory of solvation: Accelerating with advanced extrapolation of …

I Omelyan, A Kovalenko - The Journal of Chemical Physics, 2013 - pubs.aip.org
We develop efficient handling of solvation forces in the multiscale method of multiple time
step molecular dynamics (MTS-MD) of a biomolecule steered by the solvation free energy …

Binding free energies of host–guest systems by nonequilibrium alchemical simulations with constrained dynamics: Theoretical framework

E Giovannelli, P Procacci, G Cardini… - Journal of Chemical …, 2017 - ACS Publications
The fast-switching decoupling method is a powerful nonequilibrium technique to compute
absolute binding free energies of ligand–receptor complexes (Sandberg et al., J. Chem …

Tuning the emission properties of fluorescent ligands by changing pH: The unusual case of an acridine-containing polyamine macrocycle

S Puccioni, C Bazzicalupi, A Bencini… - The Journal of …, 2013 - ACS Publications
Synthesis and characterization of a new macrocyclic compound, composed by a
triethylentetraamine chain linking the 4 and 5 positions of an acridine moiety, are reported …

Running Ensemble Workflows at Extreme Scale: Lessons Learned and Path Forward

K Mehta, A Cliff, F Suter, AM Walker… - 2022 IEEE 18th …, 2022 - ieeexplore.ieee.org
The ever-increasing volumes of scientific data combined with sophisticated techniques for
extracting information from them have led to the increasing popularity of ensemble …

Combining path-breaking with bidirectional nonequilibrium simulations to improve efficiency in free energy calculations

E Giovannelli, C Gellini, G Pietraperzia… - The Journal of …, 2014 - pubs.aip.org
An important limitation of unidirectional nonequilibrium simulations is the amount of
realizations of the process necessary to reach suitable convergence of free energy …