Stay up to date with a selection of recently published articles from ACS journals that were among the most read in September 2025.

The impact of a scientific article can be assessed in many ways, and one key indicator of reach and influence is its readership. Here, we present a curated list of 10 most-read chemistry articles during September 2025, showcasing influential and trending research across ACS journals.*
We hope you find these articles insightful and valuable. If you want to learn more about publishing in our journals, click below to discover how your own research can further our commitment to being the “Most Trusted. Most Cited. Most Read.”

33 Unresolved Questions in Nanoscience and Nanotechnology
DOI: 10.1021/acsnano.5c12854

A 100,000-Fold Increase in C–H Bond Acidity Gives Palladium a Key Advantage in C(sp3)–H Activation Compared to Nickel
DOI: 10.1021/jacs.5c07649

A Perspective on the Role of Metformin in Treating Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) and Long COVID
DOI: 10.1021/acsptsci.5c00229

Nickel-Catalyzed Cross-Dehydrogenative Coupling of Aldehydes and Alkenes toward Skipped Enones
DOI: 10.1021/jacs.5c10306

BIOPTIC B1 Ultra-High-Throughput Virtual Screening System Discovers LRRK2 Ligands in Vast Chemical Space
DOI: 10.1021/acs.jcim.5c00743

A General Copper-Catalyzed Radical Cross-Coupling of Unactivated Alkyl Halides
DOI: 10.1021/jacs.5c10285

Practically Significant Method Comparison Protocols for Machine Learning in Small Molecule Drug Discovery
DOI: 10.1021/acs.jcim.5c01609

Iodonitrene-Mediated Nitrogen Transfer to Alkenes for the Direct Synthesis of NH-Aziridines
DOI: 10.1021/jacs.5c10372

Prospects of Nanoscience with Nanocrystals: 2025 Edition
DOI: 10.1021/acsnano.5c07838

Greenhouse Gas Reductions Driven by Vehicle Electrification across Powertrains, Classes, Locations, and Use Patterns
DOI: 10.1021/acs.est.5c05406
*These lists are not chosen by the journals’ editors and should not be taken as a “best of” collection, but as another perspective on what recently published research attracted the most attention in a particular month.