Pseudosymmetry in Tetragonal Perovskite SrIrO Synthesized under High Pressure.

In this study, we report a tetragonal perovskite structure of SrIrO (4/, = 3.9362(9) Å, = 7.880(3) Å) synthesized at 6 GPa and 1400 °C, employing the ambient pressure monoclinic SrIrO with distorted 6 structure as a precursor.

Predictors of a relapsing course in myelin oligodendrocyte glycoprotein antibody-associated disease.

Background: Myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD) is a recently described demyelinating disorder, and children represent about 50% of all cases. Almost half of the patients experience relapses, but very few studies have evaluated predictors of relapse risk, challenging clinical management. The study aimed to identify predictors at MOGAD onset that are associated with a relapsing course.

Chiral Templating in a Hybrid Chromium Chloride Hydrate.

The synthesis and characterization of three new hybrid metal halide hydrates in which -[CrCl(HO)] cocrystallizes alongside α-methylbenzylammonium chloride are described. The enantiomorphic crystals, (()-(+)-α-methylbenzylammonium)(-[CrCl(HO)])Cl (()-) and (()-(-)-α-methylbenzylammonium)(-[CrCl(HO)])Cl (()-), have 222 space group symmetry and show mirrored circular dichroism signals. The racemate, (-α-methylbenzylammonium)(-[CrCl(HO)])Cl (()-), adopts a polar structure with space group symmetry in which enantiomers are related by mirror planes within organic bilayers.

Stable CAAC-Triazenes: A New Nitrogen Ligand System With Donor and Conformational Flexibility, and With Application in Olefin Activation Catalysis.

N-heterocyclic imines such as pyridylidene amines impart high catalytic activity when coordinated to a transition metal, largely imposed by their electronic flexibility. Here, this donor flexibility has been applied for the first time to CAAC-based systems through the synthesis of CAAC-triazenes. These new ligands offer a larger π-conjugation that extends from the N-heterocyclic carbene through three nitrogens rather than just one, as observed in N-heterocyclic imines.

Effectiveness of atropine in managing sialorrhea: A systematic review and meta-analysis.

Objectives: To describe the efficacy of atropine in controlling salivary flow in patients with sialorrhea or drooling.

Materials And Methods: We included randomized controlled studies, quasi-randomized trials, case reports, clinical trials, systematic reviews, and meta-analyses assessing the use of atropine in patients with sialorrhea or drooling. The endpoints were reduction in salivary flow rate, amount of saliva secreted, reduction in clinical symptoms of sialorrhea, death rattle intensity, or reduction in drooling intensity as measured by an objective scale such as the drooling intensity scale.