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Septicemic omphalophlebitis by Streptococcus equi subsp. zooepidemicus in a southern right whale calf (Eubalaena australis).
Vet Res Commun
January 2025
Setor de Patologia Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.
Southern right whales (Eubalaena australis) are mysticete cetaceans commonly observed in the coastal waters of Brazil, particularly in Santa Catarina State. There is limited understanding of the causes of calf mortality in this species, particularly concerning infectious diseases. We report a case of omphalophlebitis caused by Streptococcus equi subsp.
View Article and Find Full Text PDFIsolation, Purification, and Characterization of Lentinus edodes Polysaccharides Extracted with Subcritical Water Enhanced with Deep Eutectic Solvent.
Chem Biodivers
January 2025
Yangzhou University, College of Food Science and Engineering, Huayang west road, 225127, Yangzhou, CHINA.
The Lentinus edodes polysaccharide (LEP) was extracted with a new subcritical water extraction (SWE) enhanced with deep eutectic solvent (DES) method and then purified with a DEAE-52 cellulose column and a Sephadex G-100 column. Two purified polysaccharides (LEP1 and LEP2) were obtained and their structure, antioxidant activity, and immunomodulatory activity were analyzed. LEP1 and LEP2 were composed of mannose, glucose, and galactose with a molar ratio of 1:12.
View Article and Find Full Text PDFMicrobial biogeography along a 2578 km transect on the East Antarctic Plateau.
Nat Commun
January 2025
Centro de Astrobiologia (CAB), INTA-CSIC, Torrejón de Ardoz, Madrid, Spain.
Microorganisms are present in snow/ice of the Antarctic Plateau, but their biogeography and metabolic state under extreme local conditions are poorly understood. Here, we show the diversity and distribution of microorganisms in air (1.5 m height) and snow/ice down to 4 m depth at three distant latitudes along a 2578 km transect on the East Antarctic Plateau on board an environmentally friendly, mobile platform.
View Article and Find Full Text PDFNanoconfinement-Enabled Resistance to Water Matrix Components for Selective Degradation of Micropollutants.
Angew Chem Int Ed Engl
January 2025
Sun Yat-Sen University, Environmental Science and Engineering, CHINA.
Despite recent substantial advances in water treatment, the ability to selectively degrade trace micropollutants in real waters with complex matrix components remains a grand challenge. Here we report rational crafting of graphene oxide (GO)-wrapped defective TiO2 composite catalysts that creates nanoscopic confinement over the TiO2 surface within GO, thereby enabling the selective degradation of micropollutants through effectively excluding natural organic matter (NOM) and anions from the nanoconfined catalytic sites. In contrast to unconfined counterparts, the nanoconfined composite catalysts retain high degradation efficiency when exposed to various concentrations of NOM and anions, even in real water samples.
View Article and Find Full Text PDFBiomimetic Confined Assembly of Plasmonic CuS from Electronic Waste for Rapid Photothermal Disinfection.
ACS Nano
January 2025
State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China.
Photothermal disinfection (PTD) offers promising potential for water purification due to its sustainable and broad-spectrum bactericidal properties, although it is hindered by slow charge separation in photosensitizers. Herein, we present a plasma-mediated PTD technique utilizing an efficient localized heating effect induced by incident light at specific wavelengths for rapid bacterial inactivation. A metallic CuS photosensitizer, derived from electronic waste through a biomimetic transmembrane confined-assembled strategy, facilitates collective and coherent oscillation of free electrons around Cu atoms in the near-infrared range.
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