Search chemistry content and suppliers
Expert-curated indexes and filters
4Chemistry combines domain-specific indexes, search algorithms, and AI to help chemists, students, and procurement teams find relevant content faster. Use curated filters, structure-aware search, and integrated tools to locate papers, vendors, protocols, and safety information tailored to chemistry. Part of the 4SEARCH network of topic specific search engines.
Latest News & Web Pages
Chemists Believed They Knew Phosphorus—Until It Played a Surprising New
2+ hour, 2+ min ago (562+ words) Chemists Believed They Knew Phosphorus'Until It Played a Surprising New Trick'BIOENGINEER.ORG In a groundbreaking breakthrough that challenges long-standing conventions in catalysis, UCLA organic chemists have unveiled an innovative approach to catalyze chemical reactions traditionally reliant on scarce precious metals....
Chemistry in a crisis: manufacturing for humanitarian needs
3+ hour, 1+ min ago (863+ words) When catastrophe hits, clean drinking water becomes the first essential and the fastest to fail. Floods sweep sewage through communities, earthquakes rupture pipelines and conflict displaces families into environments where water sources are dangerous. In these moments, water purification is…...
This Physics Professor Credits Collaboration for Her Success
3+ hour, 14+ min ago (1668+ words) For Cinzia DaVi, collaboration isn't just a buzzword. It's the approach she applies to all her professional endeavors. From her contributions to the development of a silicon sensor used in CERN (European Organization for Nuclear Research) particle accelerator experiments to…...
UChicago scientists find better way to make infrared light—using quantum dots
3+ hour, 37+ min ago (697+ words) Thanks to modern LED bulbs, light is cheaper than ever to make'except for one particular kind. Three University of Chicago scientists have announced an innovative way to create infrared light, which has long been a more difficult task than making…...
New Material Made From Agriculture Waste is 76% Stronger Than Plastic
4+ hour, 7+ min ago (429+ words) The new material is made from forestry and agricultural "leftovers," like sawdust and straw. For years, the world has relied on oil-based resins to build everything from wind turbines to high-end sports gear. However, even though the materials are strong,…...
Marie Maynard Daly of Queens was a trailblazer in science and opened doors for generations of scientists. In 1947, she became the first African American woman in the U.S. to earn a Ph.D. in chemistry! Her research linked cholesterol to heart disease and res
4+ hour, 30+ min ago (51+ words) Marie Maynard Daly of Queens was a trailblazer in science and opened doors for generations of scientists. In 1947, she became the first African American woman in the U.S. to earn a Ph.D. in chemistry! Her research linked cholesterol to heart disease…...
On the unexpected mechanism of isomerization in tautomerizable azo photoswitches - Communications Chemistry
4+ hour, 55+ min ago (1350+ words) The data that support the findings of this study are available from the corresponding author upon reasonable request. Cartesian coordinates for all structures discussed in the text are provided in Supplementary Data1 and Supplementary Data2. Absolute electronic and Gibbs free energies for…...
Frontiers | An in-silico study on transient enzyme diffusion and adsorption within lignocellulosic biomass using a multi-scale model
5+ hour, 38+ min ago (536+ words) Part of a Research Topic 3 Method of solution 4 Results and discussion Front. Catal., 24 February 2026 1. Department of Mechanical, Industrial and Manufacturing Engineering, The University of Toledo, Toledo, OH, United States The process of biofuel production by enzymatic hydrolysis of lignocellulosic biomass....
50 year quest ends with creation of silicon aromatic once thought impossible
5+ hour, 47+ min ago (269+ words) So what exactly did the team accomplish? They successfully synthesized pentasilacyclopentadienide, a compound that chemists have tried to create for decades. While the name may sound obscure, the achievement is significant. The researchers replaced the carbon atoms in an aromatic…...
Scientists use sunlight and liquid metal to produce clean hydrogen from water
7+ hour, 37+ min ago (771+ words) The method allows researchers to "harvest" hydrogen molecules from water while also avoiding many of the limits in current hydrogen production methods. It offers a new avenue of exploration for producing green hydrogen as a sustainable energy source. Hydrogen as…...