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
What the "Chemical Mirror" of the Saronic Gulf Shows Us
18+ hour, 47+ min ago (565+ words) Cities leave their imprint in places that people rarely look. In wastewater. In the unseen underground pipelines, the way we live, consume, and produce is recorded in chemical terms. It is something like a fingerprint, one that differs from place…...
High-Energy Pulsed Laser via Mamyshev Oscillator
1+ hour, 44+ min ago (484+ words) In a groundbreaking advancement poised to redefine the landscape of ultrafast photonics, researchers have unveiled an integrated mode-locked laser that delivers unprecedented pulse energies previously unattainable on photonic integrated circuits (PICs). This seminal work, introduced by Qiu and colleagues and…...
Supercharged Molecular Motor Driven by Proton Transfer
2+ hour, 17+ min ago (733+ words) Bioengineer. org Supercharged Molecular Motor Driven by Proton Transfer In a groundbreaking advancement that promises to revolutionize the field of nanotechnology, researchers have unveiled a newly engineered molecular motor that operates through a remarkably innovative mechanism involving constitutional alteration and…...
Pyrolysis oil instead of crude oil: Faster fluorine analysis reduces the risk for refineries
2+ hour, 13+ min ago (728+ words) Analytik Jena Gmb H+Co. KG The method is implemented using two complementary instruments: the ICprep, equipped with self-optimizing combustion control, and the contr AA 800 G, which can operate both as a MAS system and as a fully capable AAS…...
KRICT improves efficiency and durability of nickel-based SOECs for electrochemical CO" conversion
2+ hour, 12+ min ago (299+ words) image: (from left) Dr. Ji Hoon Park, Dr. Jin Hee Lee, KRICT-UST student researcher Rustam Yuldashev, Dr. Min-Chul Kim, Researcher Jong-Min Kwak and Won-Bin Nam view more A Korean research team has resolved a major durability issue in solid oxide…...
The hidden roughness of sapphire surface
5+ hour, 34+ min ago (1161+ words) Jan Balajka, Andrea Conti, Ulrike Diebold, Johanna Irina H'tner, Michael Schmid, David Kugler (left to right) Sometimes geometry determines what is chemically possible: As TU Wien has now shown, tiny irregularities can completely change the chemical behavior of a surface....
In-situ and long-enduring oxidation of SMX by Fe-modified biochar activated O2 in soil: bridging Fe-redox cycling and electron transfer modulation
4+ hour, 48+ min ago (135+ words) Eurek Alert! In-situ and long-enduring oxidation of SMX by Fe-modified biochar activated O2 in soil: bridging Fe-redox cycling and electron transfer modulation Hongying Du, Lei Zhang, Wenbo Liu, Yuyang Xie, Xueyan Hou, Junkang Guo & Qixing Zhou This article is licensed under…...
How small can a liquid be?
4+ hour, 15+ min ago (457+ words) Physicists have spent more than two decades studying one of the strangest forms of matter ever created in a laboratory: the quark-gluon plasma (QGP). Quarks and gluons are the smallest pieces of matter. A QGP existed in the first few…...
There is more freshwater locked inside the rocks of Earth's mantle than in every river, lake, and surface reservoir on the planet combined, hidden in a mineral called ringwoodite hundreds of miles beneath your feet
3+ hour, 7+ min ago (164+ words) Beneath the surface oceans, rivers, and lakes that define Earth's hydrology, a single mineral phase in the transition zone may hold a volume of water that dwarfs every drop on the planet's face....
A ultrafast laser on a chip
12+ hour, 10+ min ago (123+ words) This design is especially attractive because it does not require any component that is difficult to make on this erbium-doped silicon nitride chip," explains Zheru Qiu, a co-leading author of the paper. Tiny laser, broad impact The result could lead…...