📄 chemistry

Spin-Matched Hydrogenation via High-Spin Co2+ Sites for Robust pH-Universal Ammonia Electrosynthesis

This study demonstrates that inverse-spinel CoFe2O4 with high-spin octahedral Co2+ sites enables robust, pH-universal ammonia electrosynthesis from nitrate by utilizing spin-matched interactions to overcome the kinetic bottleneck of *NH hydrogenation, achieving exceptional Faradaic efficiency and yield rates, particularly in neutral electrolytes.

Yang Liu, Jiangnan Lv, Wanting Rong, Tingting Liang, Tong Zhang, Yuxin Zhang, Qiqi Dai, Yizhi Gao, Lanfang Wang2026-09-07
📄 chemistry

Bioactivity, Mechanical, Optical Properties response and Surface Evolution of Lanthanum–Boron Bioactive Glasses with Tuned Ca/P Ratios for Bone Tissue Engineering

This study demonstrates that lanthanum–boron bioactive glasses with tunable Ca/P ratios exhibit time-dependent hydroxyapatite formation, enhanced mechanical hardness, and distinct optical properties, establishing a comprehensive framework for their application in bone tissue engineering and load-bearing implants.

Hani Elgharbawy, A. M.A. Henaish, Rizq M. Shalaby, O. M. Hemeda2026-09-07
📄 chemistry

Utilization of Induction-Furnace Slag as a Partial Silica-Sand Replacement in CO 2 –Sodium Silicate Molding: Effects on Mold Properties and Casting Quality

This study demonstrates that substituting 25–30% of silica sand with induction-furnace slag in CO₂-sodium silicate molding offers a viable, cost-effective solution that maintains acceptable mold properties and casting quality while valorizing industrial waste.

Yuvaraja Jayamoorthi, Samuel Rathna Kumar P S, Suresh T, Govindarasu Periyasamy2026-09-04
📄 chemistry

Thermal activation of flexographic wastewater sludge and its influence on Portland cement hydration

This study demonstrates that while thermal treatment of flexographic wastewater sludge creates an amorphous phase that modifies Portland cement hydration kinetics, its interaction is driven primarily by physical and ionic effects rather than effective pozzolanic activity, highlighting the limitations of conventional pozzolanicity criteria for such hybrid industrial residues.

Maximiliano Iván Delletesse2026-09-04
📄 chemistry

Development and Validation of an Indirect Redox-Based Colorimetric Method for the Determination of Propranolol Hydrochloride in Pharmaceutical Formulations

This study presents a rapid, cost-effective, and aqueous-based indirect redox colorimetric method for determining propranolol hydrochloride in pharmaceutical formulations, which was fully validated according to ICH guidelines and shown to be reliable and comparable to the standard USP procedure.

Samar Ali Abdalrazig Ali, Imad Abu Reid, Elrasheed A. Gadkariem, Shaza W. Shantier, Venu R. Vangala2026-09-04
📄 chemistry

Bimetallic Cu-Fe 3 O 4 nanocomposite-loaded nanocellulose: a magnetic catalyst for reductive elimination of toxic nitroarenes from water; Optimization using response surface methodology

This study reports the development of a magnetically recoverable Cu-Fe3O4 nanocomposite supported on rice straw-derived nanocellulose, which serves as a highly efficient and reusable catalyst for the rapid, green reduction of toxic nitroarenes in water under optimized conditions.

Norah F. Alqahtani, Rana O. Yahya2026-09-04
📄 chemistry

Bio synthesized magnesium oxide and graphene oxide reinforced methyl cellulose nanocomposite films create tortuous diffusion pathways for enhanced barrier performance and sustained drug delivery

This study demonstrates that bio-synthesized magnesium oxide and graphene oxide reinforced methyl cellulose nanocomposite films exhibit enhanced thermal stability, superior barrier properties via tortuous diffusion pathways, and sustained drug release kinetics, making them promising biomaterials for wound dressing and transdermal drug delivery applications.

Tapas Kumar Ghosh, Poulomi Parui, Dipankar Chattopadhyay, Gunjan Sarkar2026-09-04
📄 chemistry

Effect of Alkyl Chain Length on the Conductivity and Dissociation Behavior of Phosphotungstate-Based Ionic-Liquid Salts

This study demonstrates that increasing the alkyl chain length in phosphotungstate-based ionic-liquid salts significantly reduces their aqueous conductivity and dissociation capability due to hydrophobic hindrance and enhanced ion pairing, thereby establishing critical structure-property relationships for designing tailored catalysts.

John Wamumwe Mwangi, James Ndiritu2026-09-04
📄 chemistry

Enhancing Property Prediction of OLED Materials under Data Scarcity via Cognitive Eye-Tracking-Informed Attention Mechanism Models

This paper presents a deep learning framework that enhances property prediction for OLED materials under data scarcity by integrating human eye-tracking data to construct an interpretable, human-mimicking attention mechanism capable of achieving near-DFT accuracy in predicting molecular orbital distributions.

Zhaoming He, Heming Zhang, Zhiqiang Li, Yue Wang, Jiangshan Chen, Hai Bi2026-09-04