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Thermally Controlled -site Cation Ordering and Coupled Polarity in Double Perovskite NaLaZrO.
Inorg Chem
January 2025
Department of Applied Chemistry, Faculty of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan.
-site cation ordering in double perovskites is crucially important for their physical properties. In this study, polycrystalline samples of Zr-based double perovskite NaLaZrO were synthesized via high-temperature solid-state reactions, and the influence of the heating temperature and cooling rate on their crystal structures was investigated using synchrotron X-ray diffractometry and optical second harmonic generation. The samples prepared at 1200 °C, followed by slow cooling to room temperature, crystallize in a polar 2 structure, exhibiting partial -site cation ordering, with Na- and La-rich -site layers alternately stacked along the axis.
View Article and Find Full Text PDFSurgical Technique and Perioperative Outcomes of the "Sapienza" Urology Residency Program's Trocar Placement Configuration During Robotic-Assisted Radical Prostatectomy (RARP): A Retrospective, Single-Centre Observational Study Comparing Experienced Attendings vs. Post-Graduate Year I-III Residents as Bedside Assistants.
Cancers (Basel)
December 2024
Department of Maternal Infant and Urologic Sciences, "Sapienza" University of Rome, 00185 Rome, Italy.
: Robot-assisted radical prostatectomy (RARP) for the treatment of prostate cancer (PCa) has been standardized over the last 20 years. At our institution, only n = 3 rob arms are used for RARP. In addition, n = 2, 12 mm lap trocars are placed for the bedside assistant symmetrically at the midclavicular lines, which allows for direct pelvic triangulation and greater involvement of the assisting surgeon.
View Article and Find Full Text PDFNovel CAD/CAM-splint-based navigation protocol enhances intraoperative maxillary position control in orthognathic surgery: a case control study.
Head Face Med
January 2025
Department of Oral and Maxillofacial Surgery, Heinrich Heine University Hospital Düsseldorf, Moorenstraße 5, 40225, Düsseldorf, Germany.
Background: Virtual surgical planning for orthognathic surgery typically relies on two methods for intraoperative plan transfer: CAD/CAM occlusal splints and patient-specific implants (PSI). While CAD/CAM splints may offer limited accuracy, particularly in the vertical dimension, PSIs are constrained by higher costs and extended preparation times. Surgical navigation has emerged as a potential alternative, but existing protocols often involve invasive registration or lack transparent evaluation.
View Article and Find Full Text PDFThe biomechanical effects of treating double-segment lumbar degenerative diseases with unilateral fixation through interlaminar fenestration interbody fusion surgery: a three-dimensional finite element study.
BMC Musculoskelet Disord
January 2025
Orthopedics, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China.
Background: Transforaminal lumbar interbody fusion (TLIF) surgery has become increasingly popular in the surgical treatment of lumbar degenerative diseases. The optimal structure for stable double-segment fixation remains unclear.
Objective: To compare the biomechanical changes of unilateral fixation versus bilateral fixation in patients with lumbar degeneration undergoing double-segment TLIF surgery, and to explore the stability and feasibility of unilateral double-segment fixation.
Applying to Integrated Thoracic Surgery Residency: A Survey-Based Cost Analysis.
Ann Thorac Surg Short Rep
June 2024
Division of Cardiovascular Surgery, Department of Surgery, University of Florida, Gainesville, Florida.
Background: Application costs are known for other competitive surgical subspecialties but not for integrated thoracic surgery residency (I6). We sought to quantify I6 application costs, assess the value of away rotations and geographic connections, and identify characteristics of matched applicants.
Methods: We retrospectively reviewed the Texas Seeking Transparency in Application to Residency survey-based database for I6 applicants (2019-2022).
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