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[Ophthalmic oncology in a warmer world: climate-related increase in the prevalence of eyelid cancer].
Ophthalmologie
January 2025
Klinik für Augenheilkunde, Klinikum Chemnitz, Flemmingstr. 2, 09116, Chemnitz, Deutschland.
Background: Damage induced by ultraviolet (UV) radiation plays a decisive role in the carcinogenesis of malignant tumors of the eyelids.
Methods: A selective literature search was performed in PubMed and Google Scholar.
Results: Large epidemiological studies show an increase in the prevalence of eyelid tumors in recent decades.
Exploring the Photocatalytic Efficiency of Gold Nanoparticles Deposited on Ni-Al-Zr-Layered Double Hydroxides for Selective Glucose Oxidation.
Molecules
December 2024
Laboratoire de Réactivité et Chimie des Solides (LRCS), UMR CNRS 7314, Université de Picardie Jules Verne, Hub de L'énergie, 15 rue Baudelocque, FR-80000 Amiens, France.
Confronting escalating challenges in energy security and environmental sustainability has intensified interest in renewable sources for fuels and chemicals. Among the most promising alternatives, sugars derived from biomass are emerging as a cornerstone in advancing an environmentally sustainable economy. Within this framework, the development of sunlight-driven carbohydrate oxidation is of significant interest, as it enables the production of a broad spectrum of high-value, bio-sourced chemicals through eco-friendly processes.
View Article and Find Full Text PDFStability and Properties of Ultraviolet Filter Avobenzone under Its Diketo/Enol Tautomerization Induced by Molecular Encapsulation with β-Cyclodextrin.
Langmuir
January 2025
Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan.
Inclusion complexation of the sunscreen ingredient avobenzone (AVB) with β-cyclodextrin (β-CD) was investigated to improve its aqueous solubility and photostability; another ultraviolet (UV) filter, oxybenzone (OXB), and the phytochemical antioxidant curcumin (CUR) served as a comparison. In this study, the 1-octanol/water partition coefficients, acid dissociation constants, phase-solubility diagrams with β-CD, and ultraviolet-visible (UV-vis) spectral changes induced by UVA1 (365 nm) irradiation were evaluated. β-CD at concentrations 50-100 times that of AVB most effectively protected the photostability of AVB.
View Article and Find Full Text PDFWavelength-dependent DNA damage induced by single wavelengths of UV-C radiation (215 to 255 nm) in a human cornea model.
Sci Rep
January 2025
Center for Radiological Research, Columbia University Irving Medical Center, 630 West 168th Street, New York, 10032, USA.
Scientific bodies overseeing UV radiation protection recommend safety limits for exposure to ultraviolet radiation in the workplace based on published peer-reviewed data. To support this goal, a 3D model of the human cornea was used to assess the wavelength dependence of corneal damage induced by UV-C radiation. In the first set of experiments the models were exposed with or without simulated tears; at each wavelength (215-255 nm) cells with DNA dimers and their distribution within the epithelium were measured.
View Article and Find Full Text PDFGain of Protection Afforded by the Methoxypropylamino Cyclohexenylidene Ethoxyethylcyanoacetate (MCE) UVA1 Filter on Pigmentary and Aging Signs: An Outdoor 4-Week Randomized, Intra-Individual Comparative Study in 52 Brazilian Women.
Photodermatol Photoimmunol Photomed
January 2025
Department of Dermatology, Université Côte d'Azur, CHU Nice, Nice, France.
Background: Conventional sunscreens shield the skin from ultraviolet (UV) rays up to 370 nm leaving wavelengths between 370 and 400 nm unfiltered despite their potentially harmful biological and clinical effects.
Objective: The beneficial effects of methoxypropylamino cyclohexenylidene ethoxyethylcyanoacetate (MCE) UVA1 filter were explored at 1% in a SPF50 sunscreen under outdoors summer conditions against pigmentation and aging signs compared against a reference SPF50 without the MCE filter.
Materials And Methods: A prospective randomized comparative intra-individual study was conducted in 52 Brazilian women (phototype I-III).
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