Invited for this month's cover are Prof. Martha Escárcega-Bobadilla and Prof. Gustavo Zelada-Guillén, collaborators from the National Autonomous University of Mexico (UNAM). The cover picture shows the structure of a polymerizable Ni-Salphen complex, determined by X-ray crystallography, where the Ni center displays 1:1 and 1:2 host-guest stoichiometries toward anions, both coexisting in solution. Read the full text of the article at 10.1002/cplu.202000471.
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http://dx.doi.org/10.1002/cplu.202000683 | DOI Listing |
Nanomaterials (Basel)
December 2024
Department of Chemistry, University of Sherbrooke, 2500, Blvd de l'Université, Sherbrooke, QC J1K 2R1, Canada.
This study delves into the distinctive selective property exhibited by a non-conjugated cholesterol-based polymer, poly(CEM--EHA), in sorting semiconducting single-walled carbon nanotubes (s-SWCNTs) within isooctane. Comprised of 11 repeating units of cholesteryloxycarbonyl-2-hydroxy methacrylate (CEM) and 7 repeating units of 2-ethylhexyl acrylate (EHA), this non-conjugated polymer demonstrates robust supramolecular interactions across the sp surface structure of carbon nanotubes and graphene. When coupled with the Double Liquid-Phase Extraction (DLPE) technology, the polymer effectively segregates s-SWCNTs into the isooctane phase (nonpolar) while excluding metallic SWCNTs (m-SWCNTs) in the water phase (polar).
View Article and Find Full Text PDFJ Contemp Dent Pract
September 2024
Department of Academic, Faculty of Dentistry, Universidad Nacional Federico Villarreal, Lima, Peru, ORCID: https://orcid.org/0000-0002-0594-5834.
Objective: To evaluate the shear strength of adhesives based on the type of solvent (ethanol and acetone), aged and light-cured using light-emitting diode (LED) units with different wavelengths. Polywave and monowave LED units were employed for this study.
Materials And Methods: Ninety bovine tooth samples were analyzed using OptiBond Universal adhesive (acetone) and single bond universal adhesive (ethanol).
J Cosmet Dermatol
January 2025
College of Medicine, Department of Dermatology, Imam Mohammad Ibn Saud University, Riyadh, Saudi Arabia.
Background: Acne is a common condition observed in adolescents and in most severe acne the scars develop. There are numerous treatment options for acne scars. However, no standardized guidelines have been established to guide physicians in the optimal treatment of acne scars.
View Article and Find Full Text PDFPLoS One
January 2025
Departamento de Reología y Mecánica de Materiales, Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México Ciudad Universitaria, Ciudad de México, México.
A hybrid coating made of poly (methyl methacrylate) with SiO2-TiO2 particles (PMMA/SiO2-TiO2) has been developed for use as a coating on nanosatellites, evaluating its resistance to high vacuum by quantifying its weight loss. The coating was applied on an Al 7075 aluminum substrate used for the aerospace sector. PMMA/SiO2-TiO2 hybrid coatings were prepared using sol-gel reaction in situ assisted with sonochemistry.
View Article and Find Full Text PDFPLoS One
January 2025
Faculty of Pharmacy, Sardar Bahadur Khan Women University Quetta, Quetta, Pakistan.
Controlled-release microparticles offer a promising avenue for enhancing patient compliance and minimizing dosage frequency. In this study, we aimed to design controlled-release microparticles of Glipizide utilizing Eudragit S100 and Methocel K 100 M polymers as controlling agents. The microparticles were fabricated through a simple solvent evaporation method, employing various drug-to-polymer ratios to formulate different controlled-release batches labeled as F1 to F5.
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