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Bipyramidal gold nanoparticles-assisted plasmonic photothermal therapy for ocular applications.
J Mater Chem B
January 2025
Maimonides Biomedical Research Institute of Cordoba (IMIBIC), Department of Ophthalmology, Reina Sofia University Hospital and University of Cordoba, 14004 Cordoba, Spain.
Gold nanoparticles (AuNPs) play a key role in the field of nanomedicine due to their fascinating plasmonic properties as well as their great biocompatibility. An intriguing application is the use of plasmonic photothermal therapy (PPTT) mediated by anisotropic AuNPs irradiated with a near-infrared (NIR) laser for treating ocular diseases in ophthalmology. For this purpose, bipyramidal-shaped AuNPs (BipyAu), which were surface-functionalized with three different organic ligands (citrate, polystyrene sulphonate (PSS), and cetyltrimethylammonium bromide (CTAB)), were synthesized.
View Article and Find Full Text PDFQuantitative Enhancement of Arsenate Immobilization Induced by Vacancy Defects on Various Exposed Lattice Facets of Hematite.
Environ Sci Technol
January 2025
Geomicrobiology, Department of Geosciences, University of Tübingen, Tübingen 72076, Germany.
Defects are common features in hematite that arise from deviations from the perfect mineral crystal structure. Vacancy defects have been shown to significantly enhance arsenate (As) immobilization by hematite. However, the contributions from vacancy defects on different exposed facets of hematite have not been fully quantified.
View Article and Find Full Text PDFA five-year-old male presented with small bowel obstruction and a worm bolus on a plain abdominal radiograph. Peritonism and acidosis prompted laparotomy after a short period of resuscitation. At surgery a worm bolus had caused a small bowel volvulus with a segment of necrosis that was successfully managed by detorsion and resection.
View Article and Find Full Text PDFAnalysis of hollow visceral injuries admitted to a level one intensive care unit in South Africa.
S Afr J Surg
December 2024
Division of Surgery, Tygerberg Hospital, Stellenbosch University, South Africa.
Background: Bowel trauma, encompassing injuries to the small and large intestine, represents a significant medical challenge due to its potential for morbidity and mortality. Management of bowel injuries remains surgical, but multiple factors influence the outcome in these patients. This study provides an in-depth analysis of the high-risk features of hollow visceral trauma in the ICU setting and the corresponding mortality rates, shedding light on the critical factors that influence outcomes in these cases.
View Article and Find Full Text PDFThe epidemiological characteristics of major trauma in Pietersburg and Mankweng hospitals, Limpopo province.
S Afr J Surg
December 2024
Trauma and Burns Unit, Inkosi Albert Luthuli Central Hospital, South Africa.
Background: Data on trauma burden and outcome varies amongst the nine South African Provinces. In Limpopo Province there is a paucity of data which this study aimed to quantify and characterise the severe trauma burden in the province.
Methods: A retrospective chart review for all patients with injury severity score (ISS) > 16 over a 6-year period (Jan 2015-Dec 2020) at two central hospitals in Limpopo province.
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