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Spontaneous Bubble Growth Inside High-Saturation-Vapor-Pressure and High-Air-Solubility Liquids and Emulsion Droplets.
Langmuir
January 2025
Department of Chemical and Pharmaceutical Engineering, Faculty of Chemistry and Pharmacy, Sofia University, 1 James Bourchier Avenue, Sofia 1164, Bulgaria.
Spontaneous bubble growths in liquids are usually triggered by rapid changes in pressure or temperature that can lead to liquid gas supersaturation. Here, we report alternative scenarios of the spontaneous growths of bubbles inside a high-saturation-vapor-pressure and high-air-solubility perfluorocarbon liquid (PP1) that were observed under ambient quiescent conditions. First, we investigate spontaneous bubble growth inside the single PP1 phase, which was left to evaporate freely.
View Article and Find Full Text PDFResponse of Differently Structured Dental Polymer-Based Composites to Increasingly Aggressive Aging Conditions.
Nanomaterials (Basel)
January 2025
Department of Conservative Dentistry, University Hospital, Ludwig-Maximilians-University, Goethestr. 70, D-80336 Munich, Germany.
Objective: It is hypothesized that the way nano- and micro-hybrid polymer-based composites are structured and cured impacts the way they respond to aging.
Material And Methods: A polymer-ceramic interpenetrating network composite (Vita Enamic/VE), an industrially polymerized (Brillinat CriosST/BC), and an in situ light-cured composite with discrete inorganic fillers (Admira Fusion5/AF5) were selected. Specimens (308) were either cut from CAD/CAM blocks (VE/BC) or condensed and cured in white polyoxymethylene molds (AF5) and subjected to four different aging conditions ( = 22): (a) 24 h storage in distilled water at 37 °C; (b) 24 h storage in distilled water at 37 °C followed by thermal cycling for 10,000 cycles 5/55 °C (TC); (c) TC followed by storage in a 75% ethanol-water solution; and (d) TC followed by a 3-week demineralization/remineralization cycling.
Antioxidant, Antimicrobial, Anticancer, and Molecular Docking Insights into Pancratium maritimum Seeds and Flowers: A Phytochemical Approach.
ChemistryOpen
January 2025
Department of Biochemistry and Molecular Biology, Federal University of Santa Maria, Santa Maria, Brazil.
This study investigates the antioxidant, antimicrobial, and anticancer properties of Pancratium maritimum L. in Sp. Pl.
View Article and Find Full Text PDFEffect of daily alcohol intake on sex hormone levels among postmenopausal breast cancer survivors on aromatase inhibitor therapy: a randomized controlled crossover pilot study.
Breast Cancer Res
January 2025
Department of Epidemiology (EM, JEB) and Nutrition (KJM), Harvard T.H. Chan School of Public Health, 677 Huntington Ave, Kresge 505-B, Boston, MA, 02115, USA.
Background: Alcohol intake is associated with a higher risk of estrogen receptor-positive (ER+) breast cancer (BC), presumably through its confirmed ability to increase sex hormone levels. Whether consuming alcohol within the recommended limit of one serving per day increases sex hormone levels among postmenopausal women taking aromatase inhibitors (AI) to inhibit estrogen production remains unknown. Therefore, we compared sex hormone levels following white wine to levels following white grape juice among ER + BC survivors taking AIs.
View Article and Find Full Text PDFEco-sustainable chromatographic method for the determination of favipiravir and nitazoxanide for COVID-19: application to human plasma.
BMC Chem
January 2025
Pharmaceutical Chemistry Department, Faculty of Pharmacy, Nile Valley University (NVU), El Fayoum, 63518, Egypt.
Coronavirus disease 2019 (COVID-19), an extremely contagious illness, has posed enormous challenges to healthcare systems around the world. Although the evidence on COVID-19 management is growing, antiviral medication is still the first line of treatment. Therefore, it is critical that effective, safe, and tolerable antivirals be available to treat early COVID-19 and stop its progression.
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