Uranyl
View article: Probing the structural and electronic properties of An(IV) peroxides
Probing the structural and electronic properties of An(IV) peroxides Open
The radiolytic generation of hydrogen peroxide plays a crucial role in actinide (An) chemistry, influencing the structural evolution of An compounds and introducing novel bonding characteristics. In particular, nanoscale uranyl clusters an…
View article: Recent Advances in Material-Based Platforms for Rapid Uranyl Detection and Removal
Recent Advances in Material-Based Platforms for Rapid Uranyl Detection and Removal Open
Nuclear energy is a key low-carbon source for global carbon neutrality, yet its rapid expansion has intensified uranium mining, fuel processing, and nuclear wastewater discharge, raising concerns about the environmental and health risks as…
View article: Bonding and reactivity of isostructural uranyl and neptunyl peroxide phases
Bonding and reactivity of isostructural uranyl and neptunyl peroxide phases Open
Understanding the reactivity of actinide peroxides is critical for predicting the behavior of spent nuclear fuel in radiolytic environments. Herein, we report the synthesis and characterization of a lithium neptunyl(VI) hydroxo peroxo comp…
View article: Probing the structural and electronic properties of An(IV) peroxides
Probing the structural and electronic properties of An(IV) peroxides Open
The radiolytic generation of hydrogen peroxide plays a crucial role in actinide (An) chemistry, influencing the structural evolution of An compounds and introducing novel bonding characteristics. In particular, nanoscale uranyl clusters an…
View article: How Central Metal Ions in MOF Affect the Uranyl Elimination Performance: Insights from Experimental and Theoretical Studies
How Central Metal Ions in MOF Affect the Uranyl Elimination Performance: Insights from Experimental and Theoretical Studies Open
Conventional strategies for enhancing the performance of metal‐organic framework (MOF) adsorbents primarily focus on modifying functional groups, while the critical role of central metal ions remains underexplored. Herein, a definitive str…
View article: Dual‐Channel Reactions on TiO <sub>2</sub> @PCN S‐Scheme Heterojunction Enable the Photocatalytic Seawater Uranium Extraction Under Ambient Conditions
Dual‐Channel Reactions on TiO <sub>2</sub> @PCN S‐Scheme Heterojunction Enable the Photocatalytic Seawater Uranium Extraction Under Ambient Conditions Open
Photocatalysis offers a promising method for uranium extraction from seawater. However, the conventional photocatalytic reduction pathway faces challenges due to the adverse effects of oxygen and carbonate under ambient conditions. In this…
View article: Reactions of the Uranyl Ion and a Bulky Tetradentate, “Salen-Type” Schiff Base: Synthesis and Study of Two Mononuclear Complexes
Reactions of the Uranyl Ion and a Bulky Tetradentate, “Salen-Type” Schiff Base: Synthesis and Study of Two Mononuclear Complexes Open
The reactions of UO2(NO3)2·6H2O or UO2(O2CMe)2·2H2O and 2,2′-{(1,2-ethanediyl)bis[nitrilo(phenyl)methylidene]}bisphenol (H2L) in MeOH and DMF have provided access to complexes [UO2(L)(MeOH)] (1) and [UO2(L)(DMF)]·DMF (2·DMF), respectively.…
View article: Understanding the Stability of Uranyl Cations ([UO2]2+) at Elevated Pressures
Understanding the Stability of Uranyl Cations ([UO2]2+) at Elevated Pressures Open
The aim of this proposal is to conduct a systematic study on the chemical stability of abundant uranyl-compounds (such as carbonates and nitrates) up to 100 GPa and 3000 K using single-crystal X-ray diffraction (XRD) in diamond anvil cells…
View article: Behavior of potassium uranates in peroxo-carbonate solutions: dissolution and uranyl stabilisation
Behavior of potassium uranates in peroxo-carbonate solutions: dissolution and uranyl stabilisation Open
International audience
View article: Innovative composite nano-adsorbent SnO2@rGO for efficient uranyl ion removal from aqueous solutions: a comparative study with GO and rGO
Innovative composite nano-adsorbent SnO2@rGO for efficient uranyl ion removal from aqueous solutions: a comparative study with GO and rGO Open
View article: Polythermal studies of weeksite, a microporous uranyl silicate, and its synthetic analogues
Polythermal studies of weeksite, a microporous uranyl silicate, and its synthetic analogues Open
View article: Extending the mineralogy of U<sup>6+</sup> (IV.): Uranyl phosphate sheet of novel topology in the crystal structure of ranunculite
Extending the mineralogy of U<sup>6+</sup> (IV.): Uranyl phosphate sheet of novel topology in the crystal structure of ranunculite Open
View article: 3,4-Dihydroxybenzenesulfonyl-Functionalized Polyethyleneimine for Uranium Chelation
3,4-Dihydroxybenzenesulfonyl-Functionalized Polyethyleneimine for Uranium Chelation Open
3,4-dihydroxybenzenesulfonyl-functionalized polyethyleneimine (PS), a novel polymeric chelator, was synthesized by conjugating 3,4-dihydroxybenzenesulfonyl (CAM) groups with branched polyethyleneimine (BPEI, MW = 600 Da) via N-acylation. P…
View article: Hydrodynamic characterization of the redox chemistry of crown-encapsulated uranyl complexes
Hydrodynamic characterization of the redox chemistry of crown-encapsulated uranyl complexes Open
The redox properties of actinide-containing species strongly influence their reactivity, speciation, and interfacial behavior, but the experimental quantification of the electrochemical characteristics of molecular actinide complexes in no…
View article: Visualisation and differentiation of binder components in hard carbon composite anodes by osmium tetroxide and uranyl acetate staining
Visualisation and differentiation of binder components in hard carbon composite anodes by osmium tetroxide and uranyl acetate staining Open
In this study, we present a protocol to visualise, track and distinguish between two different binder components commonly used for batteries, styrene butadiene rubber (SBR) and sodium carboxymethyl cellulose (CMC), within a composite hard …
View article: Harnessing Solvent Displacement Crystallization for Actinide Synthesis: Insights from Uranyl Oxalate
Harnessing Solvent Displacement Crystallization for Actinide Synthesis: Insights from Uranyl Oxalate Open
To address the challenge of actinide crystallization in systems with a low chemical potential, solvent displacement crystallization (SDC) techniques are applied to synthesize uranyl oxalate in a series of alcohols with varying solvent pola…
View article: Uranium nitride from uranyl citrate gel combustion and electrospray-assisted granulation
Uranium nitride from uranyl citrate gel combustion and electrospray-assisted granulation Open
View article: Extending the mineralogy of U<sup>6+</sup> (II.): Barronite, a new uranyl silicate related to weeksite from Menzenschwand, Germany<sup>#</sup>
Extending the mineralogy of U<sup>6+</sup> (II.): Barronite, a new uranyl silicate related to weeksite from Menzenschwand, Germany<sup>#</sup> Open
View article: Systematic Comparison of Commercial Uranyl‐Alternative Stains for Negative‐ and Positive‐Staining Transmission Electron Microscopy of Organic Specimens (Adv. Healthcare Mater. 16/2025)
Systematic Comparison of Commercial Uranyl‐Alternative Stains for Negative‐ and Positive‐Staining Transmission Electron Microscopy of Organic Specimens (Adv. Healthcare Mater. 16/2025) Open
View article: Technical approaches of 3D reconstruction from protein complex using the mixture of differently stained images: providing suggestive evidence for improving its resolution
Technical approaches of 3D reconstruction from protein complex using the mixture of differently stained images: providing suggestive evidence for improving its resolution Open
View article: Molecular Dynamics Study on Complexation of Uranyl and Zinc Ions with Fatty Acid Bound Human Serum Albumin
Molecular Dynamics Study on Complexation of Uranyl and Zinc Ions with Fatty Acid Bound Human Serum Albumin Open
Nuclear technology, while offering significant benefits across various sectors, poses potential health risks due to uranium (U) contamination, particularly through its internalization and subsequent interactions with biological systems. Th…
View article: Radiation Effects on Uranyl Tetrachloro Coordination Compounds: Impact of Lattice Water
Radiation Effects on Uranyl Tetrachloro Coordination Compounds: Impact of Lattice Water Open
Nuclear materials, such as uranium-bearing solids, are exposed to high levels of ionizing radiation throughout the nuclear fuel cycle; thus, it is important to develop a molecular-level understanding of how these materials behave and degra…
View article: Systematic Comparison of Commercial Uranyl‐Alternative Stains for Negative‐ and Positive‐Staining Transmission Electron Microscopy of Organic Specimens
Systematic Comparison of Commercial Uranyl‐Alternative Stains for Negative‐ and Positive‐Staining Transmission Electron Microscopy of Organic Specimens Open
Negative‐ and positive‐staining transmission electron microscopy (ns/psTEM) is a cornerstone of research and diagnostics, enabling nanometer‐resolution analysis of organic specimens from nanoparticles to cells without requiring costly cryo…
View article: Identification of uranyl-binding proteins in <i>Arabidopsis thaliana</i> cells exposed to uranium: Insights from a metalloproteomic analysis and characterization of Glycine-Rich RNA-binding Protein 7 (GRP7)
Identification of uranyl-binding proteins in <i>Arabidopsis thaliana</i> cells exposed to uranium: Insights from a metalloproteomic analysis and characterization of Glycine-Rich RNA-binding Protein 7 (GRP7) Open
Uranium (U) is a naturally occurring radionuclide, chemotoxic for living organisms. To identify proteins that could be cellular targets for U in plants, we used metalloproteomic approaches combining column chromatographic fractionation ana…
View article: Unprecedented Tetravalent Uranium Photocatalysts for Efficient C(sp<sup>3</sup>)─C(sp<sup>3</sup>) Bond Cleavage and Formation
Unprecedented Tetravalent Uranium Photocatalysts for Efficient C(sp<sup>3</sup>)─C(sp<sup>3</sup>) Bond Cleavage and Formation Open
Photocatalysis is a pivotal area in synthetic chemistry. Despite extensive application potential in nuclear industry, uranium‐based photocatalysts are historically limited to uranyl(VI/V) redox cycle. Here, we report the discovery of the f…
View article: Synergistic Adsorption and Fluorescence in Porous Aromatic Frameworks for Highly Sensitive Detection of Radioactive Uranium
Synergistic Adsorption and Fluorescence in Porous Aromatic Frameworks for Highly Sensitive Detection of Radioactive Uranium Open
Uranium plays an important role in the modern nuclear industry. However, such a radioactive element can also cause severe damage to the environment once leaked or discharged into water or air, having a huge impact on the safety of the bios…
View article: Integrating Uranyl Complexes into Porous Organic Cages for Enhanced Photocatalytic Oxidation of A Mustard‐Gas Simulant
Integrating Uranyl Complexes into Porous Organic Cages for Enhanced Photocatalytic Oxidation of A Mustard‐Gas Simulant Open
In this work, a new kind of uranyl‐based photocatalysts, i.e., uranyl‐modified porous organic cages, U@HPOCs, are prepared for the first time via a post‐synthetic modification (PSM) of preassembled porous organic cages (POCs) by uranyl sou…
View article: Multifunctional Uranyl-Based Framework with Labile Coordination Sites: Proton Conduction, Switchable Luminescence, Dielectric Relaxation, and Visible-Light Photochromism
Multifunctional Uranyl-Based Framework with Labile Coordination Sites: Proton Conduction, Switchable Luminescence, Dielectric Relaxation, and Visible-Light Photochromism Open
Porous coordination polymers and supramolecular assembly frameworks, serve as a platform for the generation of novel functional systems, showing tunable magnetic, electric, optical, and mechanical features. Here, we report a truly multifun…
View article: Structural chemistry of tetrachloride complexes of uranyl (review)
Structural chemistry of tetrachloride complexes of uranyl (review) Open
The paper systematizes and discusses the structures of uranyl tetrachloride complexes with inorganic and protonated organic cations, which were investigated by single-crystal X-ray structure analysis. The crystallochemical structural featu…
View article: Uranium(VI) retention by calcium (alumino)silicate hydrates – Impact of temperature and ionic strength
Uranium(VI) retention by calcium (alumino)silicate hydrates – Impact of temperature and ionic strength Open
Calcium aluminosilicate hydrates (C-A-S-H) are the main hydration products of cement formulations with Al-rich additives such as blast furnace slags, fly ashes or calcined clays. We studied systematically the effect of Al substitution on b…