no code implementations • 16 Apr 2024 • Juno Nam, Rafael Gómez-Bombarelli
Machine learning interatomic potentials (MLIPs) have become a workhorse of modern atomistic simulations, and recently published universal MLIPs, pre-trained on large datasets, have demonstrated remarkable accuracy and generalizability.
no code implementations • 2 Feb 2024 • Soojung Yang, Juno Nam, Johannes C. B. Dietschreit, Rafael Gómez-Bombarelli
In molecular dynamics simulations, rare events, such as protein folding, are typically studied using enhanced sampling techniques, most of which are based on the definition of a collective variable (CV) along which acceleration occurs.
1 code implementation • 12 May 2023 • Xiaochen Du, James K. Damewood, Jaclyn R. Lunger, Reisel Millan, Bilge Yildiz, Lin Li, Rafael Gómez-Bombarelli
Here, we present a bi-faceted computational loop to predict surface phase diagrams of multi-component materials that accelerates both the energy scoring and statistical sampling methods.
1 code implementation • 2 May 2023 • Aik Rui Tan, Shingo Urata, Samuel Goldman, Johannes C. B. Dietschreit, Rafael Gómez-Bombarelli
In this work, we examine multiple UQ schemes for improving the robustness of NN interatomic potentials (NNIPs) through active learning.
1 code implementation • 14 Mar 2023 • Akshay Subramanian, Kevin P. Greenman, Alexis Gervaix, Tzuhsiung Yang, Rafael Gómez-Bombarelli
Deep generative models have emerged as an exciting avenue for inverse molecular design, with progress coming from the interplay between training algorithms and molecular representations.
1 code implementation • 2 Mar 2023 • Soojung Yang, Rafael Gómez-Bombarelli
Coarse-graining (CG) accelerates molecular simulations of protein dynamics by simulating sets of atoms as singular beads.
1 code implementation • 9 Jan 2023 • Martin Šípka, Johannes C. B. Dietschreit, Lukáš Grajciar, Rafael Gómez-Bombarelli
Simulating rare events, such as the transformation of a reactant into a product in a chemical reaction typically requires enhanced sampling techniques that rely on heuristically chosen collective variables (CVs).
1 code implementation • 16 Sep 2022 • Wujie Wang, Zhenghao Wu, Rafael Gómez-Bombarelli
We show that our methods can be used to simultaneously fit potentials for simulations at different compositions and temperatures to improve the transferability of the learned potentials.
1 code implementation • 28 Jan 2022 • Wujie Wang, Minkai Xu, Chen Cai, Benjamin Kurt Miller, Tess Smidt, Yusu Wang, Jian Tang, Rafael Gómez-Bombarelli
Coarse-graining (CG) of molecular simulations simplifies the particle representation by grouping selected atoms into pseudo-beads and drastically accelerates simulation.
no code implementations • 10 Aug 2021 • Simon Axelrod, Eugene Shakhnovich, Rafael Gómez-Bombarelli
For example, photoisomerization can allow a drug with a photo-switchable scaffold such as azobenzene to be activated with light.
1 code implementation • 3 Mar 2021 • Somesh Mohapatra, Joyce An, Rafael Gómez-Bombarelli
The near-infinite chemical diversity of natural and artificial macromolecules arises from the vast range of possible component monomers, linkages, and polymers topologies.
2 code implementations • 27 Jan 2021 • Daniel Schwalbe-Koda, Aik Rui Tan, Rafael Gómez-Bombarelli
Neural network (NN) interatomic potentials provide fast prediction of potential energy surfaces, closely matching the accuracy of the electronic structure methods used to produce the training data.
2 code implementations • ICLR Workshop DeepDiffEq 2019 • Wujie Wang, Simon Axelrod, Rafael Gómez-Bombarelli
From the perspective of engineering, one wishes to control the Hamiltonian to achieve desired simulation outcomes and structures, as in self-assembly and optical control, to then realize systems with the desired Hamiltonian in the lab.
no code implementations • 2 Jul 2019 • Daniel Schwalbe-Koda, Rafael Gómez-Bombarelli
Materials discovery is decisive for tackling urgent challenges related to energy, the environment, health care and many others.
1 code implementation • 6 Dec 2018 • Wujie Wang, Rafael Gómez-Bombarelli
Autograin is trained to learn the optimal mapping between all-atom and reduced representation, using the reconstruction loss to facilitate the learning of coarse-grained variables.
11 code implementations • 7 Oct 2016 • Rafael Gómez-Bombarelli, Jennifer N. Wei, David Duvenaud, José Miguel Hernández-Lobato, Benjamín Sánchez-Lengeling, Dennis Sheberla, Jorge Aguilera-Iparraguirre, Timothy D. Hirzel, Ryan P. Adams, Alán Aspuru-Guzik
We report a method to convert discrete representations of molecules to and from a multidimensional continuous representation.
8 code implementations • NeurIPS 2015 • David Duvenaud, Dougal Maclaurin, Jorge Aguilera-Iparraguirre, Rafael Gómez-Bombarelli, Timothy Hirzel, Alán Aspuru-Guzik, Ryan P. Adams
We introduce a convolutional neural network that operates directly on graphs.
Ranked #2 on Drug Discovery on HIV dataset