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Unveiling the Werner-Type Cluster Chemistry of Heterometallic 4f/Post-Transition Metals: A {DyBi} Complex Exhibiting Quantum Tunneling Steps in the Hysteresis Loops and its 1-D Congener.
Inorg Chem
January 2025
Department of Chemistry, University of Patras, Patras 265 04, Greece.
A new [DyBiOCl(saph)] () Werner-type cluster has been prepared, which is the first Dy/Bi polynuclear compound with no metal-metal bond and one of the very few Ln-Bi (Ln = lanthanide) heterometallic complexes reported to date. The molecular compound has been deliberately transformed to its 1-D analogue [DyBiO(N)(saph)] () via the replacement of the terminal Cl ions by end-to-end bridging N groups. The overall metallic skeleton of (and ) can be described as consisting of a diamagnetic {Bi} unit with an elongated trigonal bipyramidal topology, surrounded by a magnetic {Dy} equilateral triangle, which does not contain μ-oxo/hydroxo/alkoxo groups.
View Article and Find Full Text PDFHeavy gravity combined with light gravity local anesthetic in subarachnoid anesthesia for cesarean section did not reduce the incidence of intraoperative hypotension in maternal women: a prospective cohort study.
BMC Anesthesiol
January 2025
Department of Anesthesiology, Affiliated Maternity and Child Health Care Hospital of Nantong University, Nantong, Jiangsu, China.
Background: Subarachnoid anesthesia is the primary anesthetic method for elective cesarean section surgery, characterized by rapidly taking effect and reliable analgesia. However, subarachnoid anesthesia is prone to cause a high block level, resulting in a high incidence of maternal hypotension. How to reduce the incidence of maternal hypotension under subarachnoid anesthesia is a practical problem that needs to be solved urgently in clinical practice.
View Article and Find Full Text PDFSpace-based teaming requires coordination across human operators using old (e.g., existing communication networks) and new (e.
View Article and Find Full Text PDFSquare planar Pd(II)/oximate complexes as 'metalloligands' for the directional assembly of 4f-metal ions: a new family of {LnPd} (Ln = lanthanide) clusters exhibiting slow magnetization relaxation.
Dalton Trans
January 2025
Department of Chemistry, University of Patras, 26504 Patras, Greece.
A relatively unexplored approach in heterometallic chemistry of transition metals and lanthanides has been developed toward the controlled synthesis of a new family of linear heterotrinuclear Ln(III)-Pd(II)-Ln(III) complexes with the general formula [LnPd(pao)(NO)(MeOH)(HO)]·[Pd(pao)], where Ln = Dy (2), Gd (3), Er (4) and Yb (5). This strategy was based on the diamagnetic 'metalloligand' [Pd(pao)] (1), where pao is the anion of 2-pyridinealdoxime, containing two dangling oximate O-atoms which were to each other and available for binding with oxophilic lanthanide ions. Because of their -configuration, the [Pd(pao)] 'metalloligand' was able to direct the binding of two {Ln(NO)(MeOH)(HO)} units on opposite sites, thus yielding the reported trinuclear {Ln-Pd-Ln} clusters.
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