Search Results for author: Rafael Gómez-Bombarelli

Found 17 papers, 13 papers with code

Interpolation and differentiation of alchemical degrees of freedom in machine learning interatomic potentials

no code implementations16 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.

Learning Collective Variables with Synthetic Data Augmentation through Physics-inspired Geodesic Interpolation

no code implementations2 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.

Data Augmentation Protein Folding

Machine-learning-accelerated simulations to enable automatic surface reconstruction

1 code implementation12 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.

Active Learning Surface Reconstruction

Automated patent extraction powers generative modeling in focused chemical spaces

1 code implementation14 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.

Chemically Transferable Generative Backmapping of Coarse-Grained Proteins

1 code implementation2 Mar 2023 Soojung Yang, Rafael Gómez-Bombarelli

Coarse-graining (CG) accelerates molecular simulations of protein dynamics by simulating sets of atoms as singular beads.

Differentiable Simulations for Enhanced Sampling of Rare Events

1 code implementation9 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).

Learning Pair Potentials using Differentiable Simulations

1 code implementation16 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.

Generative Coarse-Graining of Molecular Conformations

1 code implementation28 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.

Excited state, non-adiabatic dynamics of large photoswitchable molecules using a chemically transferable machine learning potential

no code implementations10 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.

GLAMOUR: Graph Learning over Macromolecule Representations

1 code implementation3 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.

Decision Making Graph Learning

Differentiable sampling of molecular geometries with uncertainty-based adversarial attacks

2 code implementations27 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.

Active Learning Uncertainty Quantification

Differentiable Molecular Simulations for Control and Learning

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.

Generative Models for Automatic Chemical Design

no code implementations2 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.

molecular representation

Coarse-Graining Auto-Encoders for Molecular Dynamics

1 code implementation6 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.

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