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Antimicrobial activity of octyl gallate nanoemulsion combined with photodynamic technology and its effect on food preservation.
Int J Food Microbiol
December 2024
Faculty of Functional Food and Wine, Shenyang Pharmaceutical University, Shenyang 110016, China. Electronic address:
Photodynamic inactivation, as a safe and effective antimicrobial technology that does not damage the organoleptic properties of the food itself, decreases the use of preservatives and is gradually gaining attention in the food industry. This study selected octyl gallate (OG) as an antimicrobial photosensitizer with eucalyptus oil as the oil phase and prepared it as an octyl gallate nanoemulsion (OG-NE) to ensure the delivery of the photosensitizer. Escherichia coli and Staphylococcus aureus inactivation with the OG-NE combined with photodynamic technology, as well as the effect on the quality of food products, was investigated.
View Article and Find Full Text PDFUltrahigh Proton Selectivity by Assembled Cationic Covalent Organic Framework Nanosheets.
Angew Chem Int Ed Engl
December 2024
Department Smart Hybrid Materials Laboratory (SHMs), Department of Chemistry, Division of Physical Science and Engineering, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia.
Ionic covalent organic framework (COF) nanosheets are becoming increasingly attractive as promising two-dimensional (2D) materials for proton transport due to their ionic functionality and tailor-made pores. However, most synthetic methods for nanosheets rely on surface-assisted methods or phase transformation often yielding nanosheets with low aspect ratios. In this study, we present a bottom-up approach utilizing an oil-oil-water triphase system to achieve the large-scale synthesis of ionic COF nanosheets.
View Article and Find Full Text PDFVariations in Oil Occurrence State and Properties during High-Speed Stirring Treatment of Oily Sludge.
Toxics
September 2024
College of Environmental Science and Engineering, Dalian Maritime University, Dalian 116026, China.
Oily sludge (OS) has long been regarded as a hazardous waste, and improper disposal may lead to serious environmental concerns and human health risks. Despite various methods having been proposed and applied to the treatment of OS, the oil occurrence states and properties in sludge are rarely characterized, which may directly link to the selection and effectiveness of treatment methods. Here, confocal laser scanning microscopy (CLSM), X-ray diffraction (XRD), gas chromatography (GC), and four components (SARA) analysis were utilized to characterize the changes in the oil occurrence states and compositions in OS samples before and after high-speed stirring (HSS) treatment.
View Article and Find Full Text PDFAugmentation of antifungal activity of fluconazole using a clove oil nanoemulgel formulation optimized by factorial randomized D-optimal design.
3 Biotech
November 2024
Department of Natural Products, Faculty of Pharmacy, King Abdulaziz University, Jeddah, 21589 Saudi Arabia.
Article Synopsis
- * The FLU-NE was transformed into a gel form (FLU-NEG) using sodium carboxymethyl cellulose, demonstrating good visual appearance, spreadability, and pseudoplastic behavior, with enhanced drug release compared to traditional FLU formulations.
- * In vitro antifungal tests indicated that FLU-NEG exhibits significantly increased antifungal activity against the ATCC 76615 strain, confirming the effectiveness of clove oil in enhancing FLU's performance, suggesting its potential
Studies on allantoin topical formulations: in vitro drug release studies and rheological characteristics.
Pharm Dev Technol
November 2024
Department of Pharmacy, University of Novi Sad - Faculty of Medicine, Novi Sad, Serbia.
The extent and rate of release of active substances from topical products must be sufficient to ensure their effectiveness, which depends on selecting the most appropriate formulation. This study examined allantoin emulsions and gel formulations. In water-in-oil (W/O) and oil-in-water (O/W) emulsions, the main emulsifier was varied, while the same gelling agent was used in all formulations to test the effects of oil phase presence and emulsifier type on allantoin release, as well as the formulations' rheological and textural characteristics.
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