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AiChemExAI CHEMISTRY EXPLORER

The choices that make a model useful

Published 26 September 2026. A weekly selection of source-backed research.

From the editor

Editorial

The choices that make a model useful

Chemical judgment enters a model before the result appears. This issue follows the choices that make that result worth using.

Research reviews

Synthesis & automation

A better optimizer needs a trustworthy test

RECOB puts algorithm rankings through two different checks—and shows why a stable virtual winner is only part of the evidence for a laboratory choice.

Molecular discovery

Letting a molecular generator choose its own size

A compact latent model generates molecules of varying size. Its careful separation of reconstruction, refinement and quantum-verified selection shows where the useful candidates come from.

Materials & simulation

Teaching a force field where water meets metal

SoLiD26 improves predicted atomic forces at solid-liquid interfaces. Its larger-cell test, curation choices and raw-force handling explain what that improvement establishes.

Medicinal Chemistry

A molecular glue earns its shape in the cell

VAV1 degraders connect a predicted protein interface to chemical changes and cellular measurements—and show why better degradation can change the selectivity question.

Pharmacology

What a receptor-state model learns about a drug

DSQ improves agonist bioactivity prediction by giving its neural network two receptor states. Its assays, ablations and transfer tests explain what that advance means.