📄 Category

chemistry

1028 papers

📄 other

A blend of lemongrass, clove, and thyme essential oils encapsulated in hydroxypropyl methylcellulose nanofibers by electrospinning: characterization and biological activity

This study demonstrates that electrospun hydroxypropyl methylcellulose nanofibers successfully encapsulate a lemongrass, clove, and thyme essential oil blend, resulting in a thermally stable, homogeneous material with high encapsulation efficiency and potent antibacterial and antifungal activities suitable for food industry applications.

Lisiane Pintanela Vergara, Kátia Gomes da Silva, Cristina Jansen-Alves, Elder Pacheco da Cruz, Tatiane Jéssica Siebeneic (…)2026-07-27
📄 other

A Specific and sensitive analytical method development and validation for Atorvastatin for pharmaceutical preparation with a green chemistry perspective by high performance liquid chromatography

This study presents the development and validation of a rapid, sensitive, and environmentally sustainable RP-HPLC-UV method for quantifying atorvastatin in pharmaceutical formulations, utilizing an ethanol-based mobile phase to achieve superior chromatographic efficiency and lower detection limits compared to conventional methods.

Md Nazmus Sakib Chowdhury2026-07-27
📄 other

Effect of Ce Content on the Structure and Tribological Properties of AlCrNbTiV Nitride Coatings by Magnetron Sputtering

This study demonstrates that magnetron sputtered AlCrNbTiV nitride coatings doped with 4.3 at% Ce exhibit refined face-centered cubic microstructures and significantly enhanced hardness, friction resistance, and wear performance, making them promising candidates for protective tribological applications.

Weihang Chang, JiaShao Xu, Hongfeng Zhang, Yujun Xue, Fang Xie2026-07-25
📄 other

Rapid Self-Driven Formation of Conducting Polymers for Bioelectronics.

This paper introduces a rapid, equipment-free, self-driven polymerization method that enables the one-step fabrication of high-performance conducting polymer coatings on diverse metal surfaces, facilitating the creation of multifunctional bioelectronic devices such as glucose biosensors and high-fidelity nerve interface arrays.

Xenofon Strakosas, Rémy Cornuéjols, Tobias Abrahamsson, Venkata Perla, Nader Marzban, Jakob Von Heideken, Donghak Byun (…)2026-07-24
📄 other

Effect of ultrasonic impact treatment on microstructure and properties of Ti6Al4V titanium alloy manufactured by laser directed energy deposition

This study demonstrates that applying ultrasonic impact treatment to laser-directed energy deposited Ti6Al4V coatings refines the microstructure and surface quality without altering phase composition, thereby significantly enhancing wear and corrosion resistance through grain boundary and plastic deformation strengthening.

Jiaqi Li, Xiaofeng Wan, Jinchao Zhang, Boyong Su, Yongfei Yang2026-07-24
📄 other

Prolonged Static Aging of Olefin-Based Inverse Emulsion Drilling Fluids: Temperature–Time Effects on Rheology, Stability, and Filtration

This study demonstrates that prolonged static aging at elevated temperatures (100–150°C) induces irreversible interfacial degradation and structural reorganization in olefin-based inverse emulsion drilling fluids, leading to significant changes in rheology, emulsion stability, and filtration performance that challenge current fluid integrity management practices in deepwater operations.

Gabriel Reis Simplício de Souza, Heitor Otacílio Nogueira Altino, Elessandre Alves de Souza, Marcos Antônio de Souza Bar (…)2026-07-24
📄 other

Enhanced wear resistance of fine-grained Ni-based coating via annealing-induced phase transformation

This study demonstrates that annealing a thermally sprayed amorphous Ni-based coating at 800°C induces a beneficial phase transformation into a refined three-phase microstructure, which significantly enhances wear resistance by combining the plasticity of a ductile solid solution with the hardness of intermetallic phases, thereby overcoming the typical limitations of grain coarsening and brittleness.

Muhammad Arslan Hafeez, Jia-Xuan He, Zhang Cheng, Lin Liu2026-07-24
📄 other

Characterization and functional evaluation of laccase-catalyzed synthesis of quercetin and caffeic acid derivatives

This study demonstrates that Trametes versicolor laccase can efficiently co-transform quercetin and caffeic acid under mild conditions to generate novel phenolic derivatives with improved aqueous solubility and preserved cytotoxic activity, offering a sustainable strategy to overcome the limitations of these compounds.

Karla Verónica Teymennet-Ramírez, Leticia Casas-Godoy Casas-Godoy, Neith Aracely Pacheco-López, Ivan Emanuel Herrera-Poo (…)2026-07-24