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Retrospective descriptive report comparing access systems to refine intravenous self-administration in rats.
Lab Anim
January 2025
Department of Population Health Sciences, Section Animals in Science and Society, Faculty of Veterinary Medicine, Utrecht University, the Netherlands.
For operant self-administration, permanent intravenous cannulas need to remain open and operational for months without infections or blockages. Here, we report retrospectively on our experiences and observations using different access systems during three studies. We identified a refined method for vena jugularis cannulation that is a vast improvement for the animals, biotechnicians and researchers.
View Article and Find Full Text PDFMetal Pneumonitis from "Non-toxic" Decorative Cake Dust Aspiration: A Case Report.
Clin Pract Cases Emerg Med
November 2024
Atrium Health's Carolinas Medical Center, Department of Emergency Medicine, Division of Medical Toxicology, Charlotte, North Carolina.
Introduction: Metallic luster dusts are decorative agents for cakes and other confections. While some powders are labeled "non-edible," they are also marketed as "non-toxic." We present a case of a child who developed acute metal pneumonitis after accidental aspiration of metallic luster dust.
View Article and Find Full Text PDFLong-term follow-up after acute mercury poisoning-induced pneumonitis following cinnabar heating: A rare case report.
Medicine (Baltimore)
December 2024
Department of Tropical Medicine, Cho Ray Hospital, Ho Chi Minh, Viet Nam.
Rationale: Among 3 forms of mercury, elemental mercury vapor presents the highest threat due to its potential to cause acute pneumonitis. The management of acute mercury vapor poisoning remains unclear, particularly in acute lung injury. We present a case of mercury vapor poisoning resulting from the heating of cinnabar, successfully treated with high-dose corticosteroids and chelation therapy, and follow-up over 6 months.
View Article and Find Full Text PDFChemical Synthesis of ~1 nm Multilevel Capacitor-like Particles with Atomic Precision.
Angew Chem Int Ed Engl
December 2024
Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, P. R. China.
Can the chemically synthesized nanoparticles act as nanodevices or nanomachines? Herein, we demonstrated this feasibility. A novel nanocluster (ultrasmall nanoparticle) [AuCd(m-MBT)][N(CH)] (AuCd in short, m-MBTH: m-methylbenzenethiol) obtained via developing a synthesis method has a cannula-like structure of the outer shell and an internal sleeve, revealed by single-crystal X-ray diffraction. Natural population analysis (NPA) charge calculations, charge carrier transport of AuCd (during which an intra-nanocluster anti-galvanic reaction was observed) after unneutral charging using NaBH as well as voltammetry proved the capacitor-like character of AuCd.
View Article and Find Full Text PDFRemoval of Metallic Foreign Bodies with Complete Penetration of the Cornea: Introduction of a New Approach.
Cornea
October 2024
Department of Ophthalmology, Selcuk University Faculty of Medicine, Konya, Turkey.
Purpose: The purpose of this study was to present a new ab interno approach and relevant case series using a polymer-tipped cannula for the removal of metallic foreign bodies that penetrate the full thickness of the cornea and are located in the posterior corneal region.
Methods: Corneal foreign bodies located on the posterior side of the cornea were gently pushed toward the epithelial side with a polymer-tipped cannula placed using a side-port incision, to be removed without damaging the corneal endothelial layer. The polymer-tipped cannula is specially angled to keep it at a distance from the corneal endothelial layer.
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