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
Dense 1D Ionic Wire Arrays Pave the Way for Enhanced Osmotic Energy
23+ min ago (201+ words) Advanced characterization techniques like Wide-Angle X-ray Diffraction (WAXD) and Atomic Force Microscopy (AFM) verified the formation of hexagonally packed ionic wire arrays within the membrane matrix. These analyses confirm that the nanoscale arrangement is indeed highly ordered, setting a new…...
Top 10 Most Influential Articles on Raman Spectroscopy in Biopharmaceutical Applications during 2023–2025 | Spectroscopy Online
31+ min ago (681+ words) 1. AI-Guided Raman Spectroscopy: A Conceptual and Practical Turning Point This work became a conceptual anchor for the field, legitimizing deep learning as not merely an enhancement but a necessity for next-generation Raman analysis. It unified disparate AI efforts into a…...
Top 10 Most Influential Articles on FT-IR Spectroscopy in Biopharmaceutical Applications during 2024–2025 | Spectroscopy Online
36+ min ago (537+ words) 2. Foundational FT-IR Methodology Applied to Bioactive Compounds Mishra et al. reviewed advances in vibrational and fluorescence spectroscopy for real-time bioprocess monitoring, highlighting FT-IR as a cost-effective process analytical technology (PAT) tool for upstream and fermentation processes (3). This review is influential…...
High‑density 1D ionic wire arrays for osmotic energy conversion
1+ hour, 22+ min ago (272+ words) image:" Ultrahigh-Density 1D Ionic Wire Arrays. A high density (~1012"cm2) of 1D ionic channels is achieved via self-assembly of a homopolymer, enabling simultaneous high ion selectivity and conductivity for efficient osmotic energy conversion. Anti-Swelling Membrane with Superior Performance. The membrane exhibits an ultrahigh…...
Pulsed dynamic water electrolysis: Mass transfer enhancement, microenvironment regulation, and hydrogen production optimization
1+ hour, 22+ min ago (207+ words) image:" The mechanisms, key factors, and merits of pulsed dynamic electrolysis (PDE) in energy and mass transfer, extending system lifespan, and enhancing water electrolysis are covered. Synergies and parameter-performance relationships between PDE and hydrogen evolution reaction are emphasized. Future prospects…...
Scientists chart the path to a "methanol economy": New advances in turning carbon dioxide into green fuel
1+ hour, 30+ min ago (257+ words) image:Schematic illustration of CO2 sources, threats, and various reduction products view more Credit: Changlong Zhu, Xupeng Yan, Peng Liu, Qichen Lu, Lin Hu, Tianyi Zhou, Ruling Huang, Bo Hu, Kexin Zhang, Xiaolong Wang, Dongfang Guo, Shisen Xu, Qinggong Zhu & Buxing…...
Morphology control breakthrough drives platinum catalyst efficiency for hydrogen fuel cells
1+ hour, 30+ min ago (277+ words) Credit: Shun Chen, Yanru Liu, Xiaogang Fu & Wanglei Wang. Overcoming the ORR Challenge The review demonstrates that morphology control directly addresses these issues by manipulating three fundamental parameters: increasing surface area to expose more active sites, generating optimal lattice strain…...
Recent advances in coacervate protocells from passive catalysts to chemically programmable systems - Communications Chemistry
2+ hour, 8+ min ago (1625+ words) The design of living-system readouts carries particular significance for bioengineering when a pre-concentrated reaction inside the coacervate serves as the bridge, and the emitted message is one that native pathways already interpret. This bridge typically relies on small-molecule effectors like…...
Local Spotlight: The Carpet Capital’s Chemical Problem : 1A
2+ hour, 53+ min ago (204+ words) Northwest Georgia is a picturesque place, with rolling hills and open farmland. Its creeks and rivers have sustained families for generations. On the surface, the environment looks pristine.But something toxic lurks within the lush landscape that you can't see,…...
Simulations and Experiments Meet: Machine Learning Predicts the Structures of Gold Nanoclusters
5+ hour, 13+ min ago (233+ words) Researchers at University of Jyv'skyl' advance understanding of gold nanocluster behavior at elevated temperatures using machine learning-based simulations. This information is crucial in the design of nanomaterials so that their properties can be modified for use in catalysis and other…...