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Kidney graft directly implanted on endovascular stent in external iliac artery; a preliminary experience.
Am J Transplant
January 2025
Erasmus MC Transplant Institute, Division of HPB/Transplant Surgery, Erasmus Medical Centre Rotterdam. Electronic address:
With an increasingly aging population, both end-stage renal disease and peripheral artery disease become more prevalent. Peripheral artery disease is increasingly treated with endovascular procedures. Endovascular stenting of the external iliac artery (EIA) is often considered a contraindication for kidney transplantation, as clamping of the artery could result in possible injuring of the stent.
View Article and Find Full Text PDFThe first experimentally obtained dataset on processing parameters and properties of soft magnetic composites.
Sci Data
January 2025
Institute of Physics, Faculty of Science, Pavol Jozef Šafárik University in Košice, Park Angelinum 9, 041 54, Košice, Slovak Republic.
The present work describes the process of the creation and analysis of the first dataset containing processing parameters and functional properties of soft magnetic composites (SMC). All data were obtained experimentally using Fe-3% MgO system. When creating samples, parameters such as a size of MgO nanoparticles, pressing pressure, sintering temperature, time and atmosphere were varied.
View Article and Find Full Text PDFSynthesis of tertiary alkyl amines via photoinduced copper-catalysed nucleophilic substitution.
Nat Chem
January 2025
Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA, USA.
In view of the high propensity of tertiary alkyl amines to be bioactive, the development of new methods for their synthesis is an important challenge. Transition-metal catalysis has the potential to greatly expand the scope of nucleophilic substitution reactions of alkyl electrophiles; unfortunately, in the case of alkyl amines as nucleophiles, only one success has been described so far: the selective mono-alkylation of primary amines to form secondary amines. Here, using photoinduced copper catalysis, we report the synthesis of tertiary alkyl amines from secondary amines and unactivated alkyl electrophiles, two readily available coupling partners.
View Article and Find Full Text PDFImpact of perforation following self-expandable metal stent as a bridge to surgery for malignant colorectal obstruction: a multicenter study of the Research Group for Stent in the Korean Society of Gastrointestinal Endoscopy.
Surg Endosc
January 2025
Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
Background And Aims: Self-expandable metal stents (SEMS) are effective in alleviating malignant colorectal obstruction. However, bowel perforation following SEMS placement remains a significant concern, as it can adversely affect oncological outcomes. This study aimed to evaluate the recurrence and overall survival rates associated with SEMS-related bowel perforations.
View Article and Find Full Text PDFIntermediate Control: Unlocking Hitherto Unknown Reactivity and Selectivity in N-Conjugated Allenes and Alkynes.
Acc Chem Res
January 2025
Department of Chemistry and Chemistry Institution for Functional Materials, Pusan National University, Busan 46241, Republic of Korea.
ConspectusControlling selectivity through manipulation of reaction intermediates remains one of the most enduring challenges in organic chemistry, providing novel solutions for selective C-C π-bond functionalization. This approach, guided by activation principles, provides an effective method for selective functional group installation, enabling direct synthesis of organic molecules that are inaccessible through conventional pathways. In particular, the selective functionalization of N-conjugated allenes and alkynes has emerged as a promising research focus, driven by advances in controlling reactive intermediates and activation strategies.
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