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Rapid Electrochemical Uranium Extraction from Real Seawater via the Intermediate of Vacancy-Trapped Isolated Uranyl.
Inorg Chem
January 2025
State Key Laboratory of Environment-friendly Energy Materials, School of National Defence Science & Technology, Nuclear Waste and Environmental Safety Key Laboratory of Defense, Southwest University of Science and Technology, Mianyang, Sichuan 621010, P. R. China.
Electrochemical uranium extraction from seawater is a vital project for the sustainable development of the nuclear industry, which requires selective intrinsic binding sites for uranyl. In this work, oxygen vacancies (O vacancies) were developed as an atomically identified confinement for uranyl, and thus, rapid uranium extraction from seawater was achieved. In a short period of 700 s, InO nanosheets with rich O vacancies (V-rich InO nanosheets) exhibited a high extraction efficiency of 88.
View Article and Find Full Text PDFMultifaceted role of HO in the solvothermal synthesis of green-emitting nitrogen-doped graphene quantum dots.
Chem Sci
January 2025
Instituto de Carboquímica (ICB-CSIC) C/Miguel Luesma Castán 4 E-50018 Zaragoza Spain
Fluorescent nitrogen-doped carbon dots (N-GQDs) with long-wavelength emission properties are of increased interest for technological applications. They are widely synthesized through the solvothermal treatment of graphene oxide (GO) using ,-dimethylformamide (DMF) as a cleaving and doping agent. However, this process simultaneously generates undesired interfering blue-emissive by-products.
View Article and Find Full Text PDFA mesityl-functionalized double-boron-nitrogen-oxygen-embedded multi-resonance framework achieves anti-quenching narrowband deep-blue electroluminescence with EQE over 30% and CIE of 0.046.
Chem Sci
January 2025
Shenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University Shenzhen 518060 P. R. China
Developing highly efficient deep-blue multi-resonance thermal activated delayed fluorescence (MR-TADF) materials for ultra-high-definition organic light-emitting diodes (OLEDs) displays that meet the stringent BT.2020 standard remains a significant challenge. In this study, we present a strategy to achieve high-performance deep-blue MR-TADF emitters by integrating a large π-conjugated double-boron-embedded MR skeleton with strategically positioned peripheral steric hindrance groups.
View Article and Find Full Text PDFDigitalization of health care in low- and middle-income countries.
Bull World Health Organ
February 2025
Faculty of Bioethics, Universidad Anahuac México, Mexico City, Mexico.
The rising incidence of noncommunicable diseases, combined with the costs of mitigating climate change, sovereign debt and regional conflicts, is undermining global health security and threatening progress towards achieving the sustainable development goals of the United Nations. The negative impact of these polycrises is disproportionately borne by low- and middle-income countries, which have the highest disease burden and lowest health-care spending. Health digitalization is emerging as a promising countermeasure, accelerated by artificial intelligence (AI) software and quantum computing hardware.
View Article and Find Full Text PDFA comprehensive mechanistic investigation of sustainable carbene N-H insertion catalyzed by engineered His-ligated heme proteins.
Catal Sci Technol
January 2025
Department of Chemistry and Chemical Biology, Stevens Institute of Technology 1 Castle Point Terrace Hoboken NJ 07030 USA
Engineered heme proteins possess excellent biocatalytic carbene N-H insertion abilities for sustainable synthesis, and most of them have His as the Fe axial ligand. However, information on the basic reaction mechanisms is limited, and ground states of heme carbenes involved in the prior computational mechanistic studies are under debate. A comprehensive quantum chemical reaction pathway study was performed for the heme model with a His analogue as the axial ligand and carbene from the widely used precursor ethyl diazoacetate with aniline as the substrate.
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