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Collision-type adenosquamous carcinoma of the colon with signet-ring adenocarcinoma: A rare case report.
Int J Surg Case Rep
December 2024
Department of Pathology, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India. Electronic address:
Introduction And Importance: Adenosquamous carcinoma (ASC) of the colon is a rare malignancy, representing approximately 0.06 % of colorectal cancers (CRC). It is characterized by the coexistence of adenocarcinoma and squamous cell carcinoma components.
View Article and Find Full Text PDFA coarse-grained model of clay colloidal aggregation and consolidation with explicit representation of the electrical double layer.
J Colloid Interface Sci
December 2024
Department of Civil and Environmental Engineering, Princeton University, Princeton, NJ 08544, USA; High Meadows Environmental Institute, Princeton University, Princeton, NJ 08544, USA. Electronic address:
Knowledge Gap: The aggregation of clay minerals in liquid water exemplifies colloidal self-assembly in nature. These negatively charged aluminosilicate platelets interact through multiple mechanisms with different sensitivities to particle shape, surface charge, aqueous chemistry, and interparticle distance and exhibit complex aggregation structures. Experiments have difficulty resolving the associated colloidal assemblages at the scale of individual particles.
View Article and Find Full Text PDFDirect Observation of Anisotropic Coulomb Interaction in a Topological Nodal Line Semimetal.
Adv Sci (Weinh)
January 2025
Department of Physics, Chung-Ang University, Seoul, 06974, Republic of Korea.
The fundamental characteristics of collective interactions in topological band structures can be revealed by the exploration of charge screening in topological materials. In particular, distinct anisotropic screening behaviors are predicted to occur in Dirac nodal line semimetals (DNLSMs) due to their peculiar anisotropic low-energy dispersion. Despite the recent extensive theoretical research, experimental observations of exotic charge screening in DNLSMs remain elusive, which is partly attributed to the coexisting trivial bands near the Fermi energy.
View Article and Find Full Text PDFTracking the Ghosts of the Himalayas: Snow Leopard Conservation Insights From Satellite Collar Data.
Ecol Evol
January 2025
Département de Biologie, Chimie et Géographie Université du Québec à Rimouski Rimouski Quebec Canada.
This study presents the first movement analysis of snow leopards () using satellite telemetry data, focusing on the northeastern Himalayas of Nepal. By examining GPS-based satellite collar data between 2013 and 2017 from five collared snow leopards (effectively three individuals), the research uncovered distinct movement patterns, activity budgeting and home range utilisation from one adult male and two sub adult females. Hidden Markov models (HMMs) revealed three behavioural states based on the movement patterns-slow (indicative of resting), moderate and fast (associated with travelling) and demonstrated that the time of day influenced their behavioural state.
View Article and Find Full Text PDFThe prognosis and immune repertoire characteristics of HBsAg and anti-HBs double positive chronic hepatitis B patients.
Clin Exp Med
January 2025
Guangzhou Huayin Health Medical Group Co., Ltd, Guangzhou, 510515, China.
Coexistence of hepatitis B surface antigen (HBsAg) and hepatitis B surface antibody (anti-HBs) has been observed in some chronic hepatitis B (CHB) patients (DP patients), but the clinical outcomes and comprehensive characterization of immune micro-environmental changes for this specific population remain inconclusive. In this study, we retrospectively analyze the prognosis of 305 patients in Foshan City, Guangdong Province, China, and also investigated the molecular immunology changes in HBsAg and anti-HBs double positive CHB patients (DP group), CHB patients who had recovered from IFN-ɑ treatment (RP group), and healthy controls (HC group) using T cell receptor (TCR) and B cell receptor (BCR) immune repertoire sequencing. Our findings revealed that 22.
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