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Self-Intercalation as Origin of High-Temperature Ferromagnetism in Epitaxially Grown Fe_{5}GeTe_{2} Thin Films.
Phys Rev Lett
December 2024
Institute of Molecular Science, University of Valencia, Catedratico Jose Beltrán 2, 46980 Paterna, Spain.
The role of self-intercalation in 2D van der Waals materials is key to the understanding of many of their properties. Here we show that the magnetic ordering temperature of thin films of the 2D ferromagnet Fe_{5}GeTe_{2} is substantially increased by self-intercalated Fe that resides in the van der Waals gaps. The epitaxial films were prepared by molecular beam epitaxy and their magnetic properties explored by element-specific x-ray magnetic circular dichroism that showed ferromagnetic ordering up to 375 K.
View Article and Find Full Text PDFMulti-modal comparison of molecular programs driving nurse cell death and clearance in Drosophila melanogaster oogenesis.
PLoS Genet
January 2025
Department of Biology, Boston University, Boston Massachusetts, United States of America.
The death and clearance of nurse cells is a consequential milestone in Drosophila melanogaster oogenesis. In preparation for oviposition, the germline-derived nurse cells bequeath to the developing oocyte all their cytoplasmic contents and undergo programmed cell death. The death of the nurse cells is controlled non-autonomously and is precipitated by epithelial follicle cells of somatic origin acquiring a squamous morphology and acidifying the nurse cells externally.
View Article and Find Full Text PDFAnterior uveitis, pigmentary retinopathy, and pars plana exudates in Celiac disease.
Retin Cases Brief Rep
December 2024
Department of Histopathology, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, India.
Purpose: To report a case of bilateral anterior uveitis, pigmentary retinopathy, and pars plana exudates in a patient with Celiac disease with complete resolution of inflammation following gluten-free diet.
Methods: Retrospective case report.
Results: A 19-year-old Asian Indian girl presented with bilateral non-granulomatous anterior uveitis for the past 2 months.
Conformationally Restricted Macrocycles as Improved FKBP51 Inhibitors Enabled by Systematic Linker Derivatization.
Angew Chem Int Ed Engl
January 2025
Darmstadt University of Technology: Technische Universitat Darmstadt, Clemens-Schöpf-Institute of Organic Chemistry and Biochemistry, Alarich-Weiss-Strasse 4, 64287, Darmstadt, GERMANY.
Macrocycles are increasingly considered as promising modalities to target challenging intracellular proteins. However, strategies for transitioning from active linear starting points to improved macrocycles are still underdeveloped. Here we explored the derivatization of linkers as an approach for macrocycle optimization.
View Article and Find Full Text PDFPentafluoroorthotellurate Uncovered: Theoretical Perspectives on an Extremely Electronegative Group.
Inorg Chem
January 2025
Departamento de Química Física and Instituto de Biocomputación y Física de Sistemas Complejos (BIFI), Universidad de Zaragoza, Zaragoza 50009, Spain.
The pentafluoroorthotellurate group (-OTeF, teflate) exhibits high electron-withdrawing properties. Indeed, it is often used as a bulky substitute for fluoride due to its high chemical stability and larger size, which reduces its tendency to act as a bridging ligand. These characteristics make it a valuable ligand in synthetic chemistry, facilitating the preparation of molecular structures analogous to polymeric fluoride-based compounds.
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