In this study we report on the efficiency of a furane-indole-chromenone-based organic derivative () as a photocatalyst in the α-arylation of enol acetate upon LED irradiation at 405 nm, and as a photoinitiator/photocatalyst in the free radical polymerization of an acrylate group in the presence of -(4--butylphenyl)iodonium hexafluorophosphate (Iod) as an additive, or in the presence of both Iod and ethyl-4-(dimethyl amino) benzoate (EDB) under LED irradiation at 365 nm. The photochemical properties of this new light-sensitive compound are described, and the wide redox window (3.27 eV) and the high excited-state potentials / (+2.64 V vs. SCE) and / (-2.41 V vs. SCE) offered by this photocatalyst are revealed. The chemical mechanisms that govern the radical chemistry are discussed by means of different techniques, including fluorescence-quenching experiments, UV-visible absorption and fluorescence spectroscopy, and cyclic voltammetry analysis.
Download full-text PDF |
Source |
---|---|
http://dx.doi.org/10.3390/molecules30020265 | DOI Listing |
Surv Ophthalmol
January 2025
Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, 100730, China; Key Lab of Ocular Fundus Diseases, Chinese Academy of Medical Sciences, Beijing 100730, China. Electronic address:
Because of its benign nature and rarity, circumscribed choroidal hemangioma (CCH) often receives limited attention, leading to a high rate of misdiagnosis and a lack of standardized treatment protocols. We provide a thorough clarification of the demographics, clinical features, diagnosis, management, and prognosis of CCH. We conducted a systematic search of the PubMed, EMBASE, and Ovid databases up to December, 2023, to identify relevant studies.
View Article and Find Full Text PDFMolecules
January 2025
Department of Applied Chemistry, College of Material Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China.
Herein, a WO@TCN photocatalyst was successfully synthesized using a self-assembly method, which demonstrated effectiveness in degrading organic dyestuffs and photocatalytic evolution of H. The synergistic effect between WO and TCN, along with the porous structure of TCN, facilitated the formation of a heterojunction that promoted the absorption of visible light, accelerated the interfacial charge transfer, and inhibited the recombination of photogenerated electron-hole pairs. This led to excellent photocatalytic performance of 3%WO@TCN in degrading TC and catalyzing H evolution from water splitting under visible-light irradiation.
View Article and Find Full Text PDFMolecules
January 2025
Aix Marseille Univ, CNRS, ICR, 13013 Marseille, France.
In this study we report on the efficiency of a furane-indole-chromenone-based organic derivative () as a photocatalyst in the α-arylation of enol acetate upon LED irradiation at 405 nm, and as a photoinitiator/photocatalyst in the free radical polymerization of an acrylate group in the presence of -(4--butylphenyl)iodonium hexafluorophosphate (Iod) as an additive, or in the presence of both Iod and ethyl-4-(dimethyl amino) benzoate (EDB) under LED irradiation at 365 nm. The photochemical properties of this new light-sensitive compound are described, and the wide redox window (3.27 eV) and the high excited-state potentials / (+2.
View Article and Find Full Text PDFJ Cancer Res Clin Oncol
January 2025
Department of Radiation Oncology, The First Medical Center of Chinese PLA General Hospital, Beijing, China.
Background And Purpose: Radiation-induced lung injury (RILI) limits the efficacy of thoracic radiotherapy. However, the underlying mechanism of RILI remains unclear. cGAS-STING pathway is reported to be involved in the recognization of cytosolic dsDNA and various inflammatory diseases.
View Article and Find Full Text PDFInt J Surg Case Rep
January 2025
Department of Plastic and Reconstructive Surgery, University Hospital North Durham, Durham DH1 5TW, United Kingdom. Electronic address:
Introduction: Digital papillary adenocarcinoma (DPAC) is a rare malignant tumour of the sweat glands, usually in the digits. It has a high rate of recurrence and metastasis, yet there's a lack of guidelines for its diagnosis and management. Therefore, this report aims to evaluate procedures that provide the best outcomes, which will help create a consensus for its management.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!