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http://dx.doi.org/10.4103/0976-3147.181482 | DOI Listing |
J Gastrointest Oncol
December 2024
Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX, USA.
Background: Classic Hodgkin lymphoma (CHL) is an extremely common non-acquired immunodeficiency syndrome (AIDS) defining malignancy and its incidence is rising. CHL is usually present in the lymph node and extranodal involvement is rare. Primary CHL of the gastrointestinal (GI) tract is exceedingly rare.
View Article and Find Full Text PDFMicrosurgery
January 2025
Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China.
Introduction: Reconstruction for various regions of the foot and ankle in pediatric patients remains a challenging topic. This study presents the circumflex scapular artery perforator (CSAP) flap and its surgical refinements for addressing soft tissue defects in various regions of the foot and ankle in pediatrics.
Patients And Methods: Forty-seven patients underwent CSAP flap and its surgical refinements for the reconstruction of foot and ankle defects from 2010 to 2022.
Endocrinol Diabetes Metab
January 2025
Division of Reproductive Endocrinology and Infertility, University of California, San Francisco, California, USA.
Context: Hyperandrogenism is a hallmark of polycystic ovary syndrome (PCOS), yet the androgen(s) responsible remain ambiguous. Recent studies have suggested that 11-oxygenated C steroids (11-oxyandrogens), specifically 11-ketotestosterone, may be a good marker for hyperandrogenism in PCOS.
Objective: To investigate the utility of 11-oxyandrogens to differentiate women with and without PCOS relative to classical androgens.
ACS Appl Mater Interfaces
January 2025
Departament de Ciència de Materials i Química Física & Institut de Química Teòrica i Computacional (IQTCUB), Universitat de Barcelona, c/Martí i Franquès 1-11, Barcelona 08028, Spain.
The oxygen reduction reaction (ORR) stands as a pivotal process in electrochemistry, finding applications in various energy conversion technologies such as fuel cells, metal-air batteries, and chlor-alkali electrolyzers. Hereby, a comprehensive density functional theory (DFT) investigation is presented into the proposed conventional and unconventional ORR mechanisms using single-atom catalysts (SACs) supported on nitrogen-doped graphene (NG) as model systems. Several reaction intermediates have been identified that appear to be more stable than the ones postulated in the conventional mechanism, which follows the *OOH, *O, and *OH intermediates.
View Article and Find Full Text PDFJ Chem Phys
January 2025
Institute of Thermodynamics and Thermal Process Engineering, University of Stuttgart, Pfaffenwaldring 9, D-70569 Stuttgart, Germany.
Effective potential methods, obtained by applying a quantum correction to a classical pair potential, are widely used for describing the thermophysical properties of fluids with mild nuclear quantum effects. In case of strong nuclear quantum effects, such as for liquid hydrogen and helium, the accuracy of these quantum corrections deteriorates significantly, but at present no simple alternatives are available. In this work, we solve this issue by developing a new, three-parameter corresponding-states principle that remains applicable in the regions of the phase diagram where quantum effects become significant.
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