The findings of a new study by Mohammed et al. show that after repeated hourly or daily topical applications typically used for sunscreens, zinc oxide nanoparticles do not penetrate into the viable epidermis or cause toxicity in human skin. This important study confirms that the known benefits of using zinc oxide nanoparticles in sunscreen clearly outweigh the perceived risks of using nanosunscreens.
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| http://dx.doi.org/10.1016/j.jid.2018.09.014 | DOI Listing |
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Atomistic Structure Investigation of Eu-Doped ZnO Nanosponges.
Inorg Chem
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Department of Material and Environmental Chemistry, Arrhenius Laboratory, Stockholm University, SE-10691 Stockholm, Sweden.
Zinc oxide (ZnO) is a semiconductor with a wide range of applications, and often the properties are modified by metal-ion doping. The distribution of dopant atoms within the ZnO crystal strongly affects the optical and magnetic properties, making it crucial to comprehend the structure down to the atomic level. Our study reveals the dopant structure and its contents in Eu-doped ZnO nanosponges with up to 20% Eu-O clusters.
View Article and Find Full Text PDFDevelopment of hybrid bionanocomposites of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) with zinc oxide and silicon-doped hydroxyapatite nanocrystals and machine learning for predicting dynamic mechanical properties.
Int J Biol Macromol
December 2024
Yıldız Technical University, Department of Bioengineering, Davutpasa Campus, 34210 Esenler, İstanbul, Turkey.
The development of hybrid materials that integrate bioactive and antimicrobial properties within a biodegradable and biocompatible polymer matrix is a key focus in current biomedical research and applications. A significant research gap exists in the field of PHBV nanocomposites, particularly concerning those that simultaneously incorporate both ZnO and HAP particles. This study focuses on the fabrication and characterization of innovative hybrid bionanocomposites composed of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) combined with zinc oxide (ZnO) and silicon-doped hydroxyapatite (SiHAP) nanocrystals.
View Article and Find Full Text PDFSynthesis of an antimicrobial chitosan film impregnated with ZnO nanoparticles phytosynthesized with Ruta graveolens plant extract.
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Tecnológico Nacional de México / Instituto Tecnológico de Toluca, División de Estudios de Posgrado e Investigación, Av. Tecnológico S/N Col. Agrícola Bellavista, Metepec, México, C.P. 52149.
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Key Laboratory of Medical Cell Biology, Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia, People's Republic of China.
Introduction: The anti-cancer properties of zinc oxide-doped carbon dots (CDs/ZnO) in inhibiting triple-negative breast cancer (TNBC) progression merit more investigation.
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Semiconductor Physics Group, University Ulm, 89081 Ulm, Germany.
In this work, the sensing ability and the underlying reaction pathways of HS adsorption on two nanomaterial systems, pristine zinc oxide (ZnO) nanowires (NWs) and gold functionalized zinc oxide nanowires (Au@ZnO NWs), were explored in a side-by-side comparison of optical and electrical gas sensing. The properties of optical sensing were analyzed by photoluminescence intensity-over-time measurements (-) of as-grown ZnO NW samples, and the electrical gas-sensing properties were analyzed by current-over-time measurements (-) of ZnO NW chemically sensitive field-effect transistor (ChemFET) structures with a gas-sensitive open gate. The ZnO NWs were grown by high-temperature chemical vapor deposition (CVD) and thereafter surface-functionalized with a thin Au nanoparticle layer by magnetron sputtering.
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