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An exploration of unusual antimicrobial resistance phenotypes in Salmonella Typhi from Blantyre, Malawi reveals the ongoing role of IncHI1 plasmids.
Gates Open Res
January 2025
Liverpool School of Tropical Medicine, Liverpool, England, UK.
Typhoid fever is a significant public health problem endemic in Southeast Asia and Sub-Saharan Africa. Antimicrobial treatment of typhoid is however threatened by the increasing prevalence of antimicrobial resistant (AMR) Typhi, especially in the globally successful lineage (4.3.
View Article and Find Full Text PDFSpin Chains with Highly Quantum Character through Strong Covalency in CaCrN.
J Am Chem Soc
January 2025
Materials Department, University of California, Santa Barbara, Santa Barbara, California 93106, United States.
The insulating transition metal nitride CaCrN consists of sheets of triangular [CrN] units with symmetry that are connected via quasi-1D zigzag chains. Due to strong covalency between Cr and N, Cr ions are unusually low-spin, and = 1/2. Magnetic susceptibility measurements reveal dominant quasi-1D spin correlations with very large nearest-neighbor antiferromagnetic exchange = 340 K and yet no sign of magnetic order down to = 0.
View Article and Find Full Text PDFAn unexpected and tumultuous diagnosis of a left atrial mass.
Monaldi Arch Chest Dis
January 2025
Local Health Unit of São João, Porto.
This case presents a curious diagnosis in a young male presenting with chest pain. The first imaging tests suggested the presence of a hypovascular left atrial tumor. After cardiac magnetic resonance and the exclusion of extra-cardiac lesions, sarcoma emerged as the main diagnostic hypothesis.
View Article and Find Full Text PDFControl of Crystallization Pathways in the BiFeO-BiFeO System.
Chem Mater
January 2025
Department of Chemistry and Nanoscience Center, University of Copenhagen, 2100 Copenhagen Ø, Denmark.
Bismuth ferrites, specifically perovskite-type BiFeO and mullite-type BiFeO, hold significant technological promise as catalysts, photovoltaics, and room-temperature multiferroics. However, challenges arise due to their frequent cocrystallization, particularly in the nanoregime, hindering the production of phase-pure materials. This study unveils a controlled sol-gel crystallization approach, elucidating the phase formation complexities in the bismuth ferrite oxide system by coupling thermochemical analysis and total scattering with pair distribution function analysis.
View Article and Find Full Text PDFUnusual recurrence in advanced ovarian cancer after interval cytoreductive surgery and HIPEC.
BMJ Case Rep
January 2025
Surgical Oncology, Aster Hospitals Inc, Bangalore, Karnataka, India.
Ovarian cancer is the second most fatal gynaecological malignancy. The relapses after treatment of ovarian cancer usually occur within 2 years after completion of the first-line therapy. Recurrent ovarian cancer commonly presents as peritoneal surface deposits in the abdomen with or without ascites.
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