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Gas-Liquid Interface of Aqueous Solutions of Surface Active Aromatic Molecules Studied Using Extreme Ultraviolet Laser Photoelectron Spectroscopy and Molecular Dynamics Simulation.
J Am Chem Soc
January 2025
Department of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan.
We investigated the gas-liquid interface of aqueous solutions containing phenol and related aromatic compounds using extreme ultraviolet laser photoelectron spectroscopy and molecular dynamics simulations. The interfacial densities of protonated and deprotonated forms of phenol, aniline, and 4-nitrophenol were found to be primarily determined by their surface affinities and exhibit similar concentration dependences to their respective bulk densities. Despite the distinct interfacial orientations of their permanent dipole moments, these compounds monotonically decreased the surface potential at higher concentrations.
View Article and Find Full Text PDFDesign, Preparation, and Ex Vivo Skin Permeation of Doxepin Microemulsion System for Topical Delivery.
J Cosmet Dermatol
January 2025
Department of Pharmaceutics, Faculty of Pharmacy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
Background: Doxepin (DX) is used orally to relieve itching but can cause side effects like blurred vision, dry mouth, and drowsiness due to its antimuscarinic effect. To reduce these adverse effects and improve skin permeation, DX is being developed in topical formulations. This study aims to improve DX skin absorption by developing a microemulsion (ME) formulation (ME-DX).
View Article and Find Full Text PDFApplication of synthesized FeO@Gelatin nanoparticles on interfacial properties and enhanced oil recovery.
Sci Rep
January 2025
Department of Petroleum Engineering, Shahid Bahonar University of Kerman, Kerman, Iran.
Due to the unique properties of nanoparticles (NPs), their application has been proposed as an innovative and promising enhanced oil recovery (EOR) technique. They enhance oil recovery by improving EOR mechanisms including decreasing interfacial tension (IFT), wettability alteration to water-wet, and preventing asphaltene precipitation. In this study, FeO@Gelatin NPs were synthesized by a convenient and single-step method and then investigated for EOR purposes for the first time.
View Article and Find Full Text PDFFormulation, Optimization, and Evaluation of Lornoxicam-Loaded Novasomes for Targeted Ulcerative Colitis Therapy: In Vitro and In Vivo Investigations.
J Drug Target
January 2025
Department of Industrial Pharmacy, College of Pharmaceutical Sciences and Drug Manufacturing, Misr University for Science and Technology, Giza, Egypt.
The purpose of this work was to create and assess Lornoxicam (LOR) loaded Novasomes (Novas) for the efficient treatment of ulcerative colitis. The study was performed using a 2 factorial design to investigate the impact of several formulation variables. Three separate parameters were investigated: Surface Active agent (SAA) type (), LOR concentration (), and SAA: Oleic acid ratio ().
View Article and Find Full Text PDFFoam Fractionation as an Efficient Method for the Separation and Recovery of Surfactants and Surface-Inactive Agents: State of the Art.
ACS Omega
January 2025
Cracow University of Technology, Faculty of Chemical Engineering and Technology, Warszawska 24, Cracow 31-155, Poland.
Surface-active agents are widely used in industrial processes and products for daily use. Surfactants are essential in consumer products, although they are environmentally harmful. Consequently, new technologies are being sought to address the surfactant waste problem effectively.
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