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Unusual Association of Partial Fanconi Syndrome and Tumor-Induced Osteomalacia Revealed by Multiple Vertebral Fractures.
Calcif Tissue Int
January 2025
Division of Bone Diseases, Department of Medicine, Geneva University Hospitals, Geneva, Switzerland.
Tumor-induced osteomalacia (TIO) is a rare acquired paraneoplastic syndrome caused by a mesenchymal tumor secreting a phosphaturic hormone called FGF23. Patients present with bone pain, fragility fractures and muscle weakness. Biochemical results show hypophosphatemia, raised serum alkaline phosphatase and reduced calcitriol.
View Article and Find Full Text PDFUnusual Caesium Monensinate A: Crystallographic Evidence for the Formation of Dinuclear Coordination Species in the Solid State.
Chemistry
January 2025
NDSU: North Dakota State University, Department of Chemistry and Biochemistry, UNITED STATES OF AMERICA.
The polyether ionophore monensin A (MonH), applied as silver monensinate, reacts with caesium cations to form a dinuclear complex [Mon2Cs2] the structure of which has been solved by single-crystal X-ray diffraction. Two Cs+ ions are located in the hydrophilic cage of two ligand anions, achieving coordination number eight. In addition, the metal cations are bridged by two functional groups of monensinate A, completing the inner tenfold coordination sphere.
View Article and Find Full Text PDFSelective On-Surface Metalation and Uncommon Reordering of Self-Assembled Macrocyclic Biquinazoline Ligands on Ag(111).
Chemistry
January 2025
Technical University of Munich: Technische Universitat Munchen, Physics, James-Franck-Strasse 1, 85748, Garching, GERMANY.
The macrocyclic biquinazoline ligand, H-Mabiq, presents a central and a peripheral site for the coordination of metal ions, making the adsorption on solid surfaces promising for the creation of self-assembled bimetallic two-dimensional platforms. Here, we apply an on-surface metalation strategy under ultra-high vacuum conditions to guide the synthesis of metalated species and study sequential metalation patterns. We find that cobalt (as well as iron) metalation on the Ag(111) surface preferentially occurs at the macrocyclic centre without further metal coordination to the peripheral site.
View Article and Find Full Text PDFMetastatic Hobnail Papillary Thyroid Carcinoma Initially Diagnosed by Pleural Effusion: Case Report of a Rare and Intriguing Entity.
Diagn Cytopathol
January 2025
Department of Pathology, The University of Texas Medical Branch, Galveston, Texas, USA.
Hobnail papillary thyroid carcinoma (HNPTC) is an unusual and aggressive variant of PTC. Malignant pleural effusion secondary to thyroid carcinoma is a rare event reported in less than 1% of cases. Herein we present a case of metastatic HNPTC initially diagnosed by pleural effusion cytology, with a very poor outcome.
View Article and Find Full Text PDFSynergistic Entropy Engineering with Oxygen Vacancy: Modulating Microstructure for Extraordinary Thermosensitive Property in ReNbO Materials.
Small
January 2025
State Key Laboratory of Functional Materials and Devices for Special Environmental Conditions, Xinjiang Key Laboratory of Electronic Information Materials and Devices, Xinjiang Technical Institute of Physics & Chemistry of CAS, Urumqi, 830011, China.
The pursuit of high precision and stability simultaneously in high-temperature thermistor fields is longstanding. However, most spinel or perovskite-structured thermosensitive materials struggle to tolerate prolonged high-temperature environments at the expense of sensitivity and stability. Here, a novel entropy engineering strategy involving vacancies is proposed to balance sensitivity and stability for fergusonite-structured ReNbO (Re is a rare earth element) material in extreme environments.
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