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Pulsed laser in liquid grafting of gold nanoparticle-carbon support composites.
Beilstein J Nanotechnol
March 2025
Material Science Program, University of Rochester, Rochester, New York 14627, United States.
We developed a novel pulsed laser-assisted process for the fabrication of advanced composites of nonequilibrium gold nanoparticles on carbon fiber paper supports. Our one-step process integrates the generation of nanoparticles with their surface attachment and solves longstanding nanoparticle adhesion and electrical contact issues. Irradiation of hydrophilic carbon fiber paper submerged in aqueous HAuCl solution by nanosecond laser pulses produced composites with uniform distribution of gold nanoparticles on carbon fibers, taking advantage of the high internal surface area of carbon fiber paper.
View Article and Find Full Text PDFApplication of Textile Composite Materials as a Sorbent for Cleaning Up Oil Spills.
Materials (Basel)
March 2025
Department of Textile, Leather and Fuels, University of Chemical Technology and Metallurgy, 8 Kliment Ohridski Blvd., 1797 Sofia, Bulgaria.
This article compares two new textile materials used to clean up spills of oil or two oil products (crude oil, diesel fuel, and base oil SN 150). The plain-woven cotton fabric is hydrophilic, with a typical porous structure. After coating with a layer of chitosan modified with benzaldehyde and cross-linked with glutaraldehyde (CB), its hydrophobicity increases, hence the sorption affinity to hydrophobic hydrocarbons.
View Article and Find Full Text PDFElectrospun Coaxial Polycaprolactone/Polyvinylpyrrolidone Fibers Containing Cisplatin: A Potential Local Chemotherapy Delivery System for Cervical Cancer Treatment.
Polymers (Basel)
February 2025
Coordination for the Innovation and Application of Science and Technology (CIACYT), Autonomous University of San Luis Potosi, 550-2a Sierra Leona Ave, San Luis Potosí 78210, Mexico.
Cisplatin, a frequently used chemotherapeutic for the treatment of cervical cancer, causes adverse effects that limit its use. Treatment with local therapy that limits toxicity remains a challenge. The aim of this study was to develop a local intravaginal cisplatin delivery system of polycaprolactone/polyvinylpyrrolidone sheath/core fibers by coaxial electrospinning.
View Article and Find Full Text PDFStudy of Polyhedral Oligomeric Silsesquioxane-Modified Superhydrophilic Transparent Coating in Antifogging, Antifrost and Self-Cleaning.
Polymers (Basel)
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College of Chemistry and Chemical Engineering, Donghua University, Shanghai 201620, China.
A highly hydrophilic coating with a water contact angle below 10° was developed on a transparent polycarbonate (PC) sheet using a UV-curable process. Polyhedral oligomeric silsesquioxanes (POSS), modified with poly(ethylene glycol) methacrylate (PEGMA), provided the hydrophilic functionality essential for the coating. Fogging and frost formation on transparent surfaces often hinder visibility and pose challenges in various optical applications.
View Article and Find Full Text PDFZnO-Embedded Carboxymethyl Cellulose Bioplastic Film Synthesized from Sugarcane Bagasse for Packaging Applications.
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February 2025
Division of Science, Engineering and Health Studies, SPEED, The Hong Kong Polytechnic University, Hong Kong 999077, China.
This research explores the synthesis of carboxymethyl cellulose (CMC) for the development of a cost-effective bioplastic film that can serve as a sustainable alternative to synthetic plastic. Replacing plastic packaging with CMC-based films offers a solution for mitigating environmental pollution, although the inherent hydrophilicity and low mechanical strength of CMC present significant challenges. To address these limitations, zinc oxide nanoparticles (ZnO NPs) were employed as a biocompatible and non-toxic reinforcement filler to improve CMC's properties.
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