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In this work, we propose a simple transformer-based baseline for multimodal molecular representation learning, integrating three distinct modalities: SMILES strings, 2D graph representations, and 3D conformers of molecules. A key aspect of…

Machine Learning · Computer Science 2024-10-25 Andrei Manolache , Dragos Tantaru , Mathias Niepert

The expansiveness of compositional phase space is too vast to fully search using current theoretical tools for many emergent problems in condensed matter physics. The reliance on a deep chemical understanding is one method to identify local…

Superconductivity · Physics 2023-01-26 Lazar Novakovic , Ashkan Salamat , Keith V. Lawler

Large Language Models (LLMs) are increasingly being used to support scientific discovery. In chemistry, tasks such as reaction prediction and structure elucidation require reasoning about the structures of molecules. As such, LLM-based…

Machine Learning · Computer Science 2026-05-05 Nicholas T. Runcie , Fergus Imrie , Charlotte M. Deane

Determining the chemical structure for a single molecule on surface from spectroscopic data represents a challenging high-dimensional inverse problem. Tip-enhanced Raman spectroscopy (TERS) enables chemically specific imaging of single…

Chemical Physics · Physics 2026-03-24 Jie Cui , Yao Zhang , Yang Zhang , Yi Luo , Zhen-Chao Dong

We introduce Functional Group-Aware Representations for Small Molecules (FARM), a novel foundation model designed to bridge the gap between SMILES, natural language, and molecular graphs. The key idea behind FARM is the incorporation of…

Machine Learning · Computer Science 2026-04-29 Thao Nguyen , Kuan-Hao Huang , Ge Liu , Martin D. Burke , Ying Diao , Heng Ji

Molecular property prediction has gained significant attention due to its transformative potential in multiple scientific disciplines. Conventionally, a molecule graph can be represented either as a graph-structured data or a SMILES text.…

Machine Learning · Computer Science 2023-07-17 Chen Qian , Huayi Tang , Zhirui Yang , Hong Liang , Yong Liu

Design of new drugs is a challenging process: a candidate molecule should satisfy multiple conditions to act properly and make the least side-effect -- perfect candidates selectively attach to and influence only targets, leaving off-targets…

Biomolecules · Quantitative Biology 2024-05-07 Andrij Rovenchak , Maksym Druchok

Geometric representation-conditioned molecule generation provides an effective paradigm that decouples molecule representation modeling from structure generation. By decoupling molecule generation into two stages-first generating a…

Machine Learning · Computer Science 2026-05-11 Shaoheng Yan , Zian Li , Cai Zhou , Qiaojing Huang , Kai Liu , Muhan Zhang

Capturing the structural changes that molecules undergo during chemical reactions in real space and time is a long-standing dream and an essential prerequisite for understanding and ultimately controlling femtochemistry. A key approach to…

Machine learning is becoming a preferred method for the virtual screening of organic materials due to its cost-effectiveness over traditional computationally demanding techniques. However, the scarcity of labeled data for organic materials…

Chemical Physics · Physics 2024-03-06 Chengwei Zhang , Yushuang Zhai , Ziyang Gong , Hongliang Duan , Yuan-Bin She , Yun-Fang Yang , An Su

Retrosynthetic planning aims to devise a complete multi-step synthetic route from starting materials to a target molecule. Current strategies use a decoupled approach of single-step retrosynthesis models and search algorithms, taking only…

Machine Learning · Computer Science 2023-06-01 Songtao Liu , Zhengkai Tu , Minkai Xu , Zuobai Zhang , Lu Lin , Rex Ying , Jian Tang , Peilin Zhao , Dinghao Wu

Molecule-and-text cross-modal representation learning has emerged as a promising direction for enhancing the quality of molecular representation, thereby improving performance in various scientific fields. However, most approaches employ a…

Quantitative Methods · Quantitative Biology 2025-03-04 Yikun Zhang , Geyan Ye , Chaohao Yuan , Bo Han , Long-Kai Huang , Jianhua Yao , Wei Liu , Yu Rong

Atomic-resolution imaging with scanning transmission electron microscopy is a powerful tool for characterizing the nanoscale structure of materials, in particular features such as defects, local strains, and symmetry-breaking distortions.…

Chemical reaction and retrosynthesis prediction are fundamental tasks in drug discovery. Recently, large language models (LLMs) have shown potential in many domains. However, directly applying LLMs to these tasks faces two major challenges:…

Machine Learning · Computer Science 2025-05-06 Xuan Lin , Qingrui Liu , Hongxin Xiang , Daojian Zeng , Xiangxiang Zeng

Methods for designing organic materials with desired properties have high potential impact across fields such as medicine, renewable energy, petrochemical engineering, and agriculture. However, using generative modeling to design substances…

Machine Learning · Computer Science 2021-08-24 Daniel Rothchild , Alex Tamkin , Julie Yu , Ujval Misra , Joseph Gonzalez

Image enhancement improves visual quality and helps reveal details that are hard to see in the original image. In medical imaging, it can support clinical decision-making, but current models often over-edit. This can distort organs, create…

This paper introduces a novel unified representation of diffusion models for image generation and segmentation. Specifically, we use a colormap to represent entity-level masks, addressing the challenge of varying entity numbers while…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Lu Qi , Lehan Yang , Weidong Guo , Yu Xu , Bo Du , Varun Jampani , Ming-Hsuan Yang

Predicting the chemical properties of compounds is crucial in discovering novel materials and drugs with specific desired characteristics. Recent significant advances in machine learning technologies have enabled automatic predictive…

Quantitative Methods · Quantitative Biology 2021-12-10 Yang Liu , Hisashi Kashima

One-dimensional NMR spectroscopy is one of the most widely used techniques for the characterization of organic compounds and natural products. For molecules with up to 36 non-hydrogen atoms, the number of possible structures has been…

Chemical reaction prediction is pivotal for accelerating drug discovery and synthesis planning. Despite advances in data-driven models, current approaches are hindered by an overemphasis on parameter and dataset scaling. Some methods…

Machine Learning · Computer Science 2026-03-04 Ran Li , Shimin Di , Haowei LI , Luanshi Bu , Jiachuan Wang , Wangze Ni , Lei Chen