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Dynamics search of highly magnetized blood laden with copper-gold-titania nanoparticles in a ciliary artery with catheterization and entropy.
Electromagn Biol Med
January 2025
Department of Mathematics, University of Gour Banga, Malda, India.
Biomagnetic fluid dynamics (BFD) is an emerging and promising field within fluid mechanics, focusing on the dynamics of bio-fluids like blood in the presence of magnetic fields. This research is crucial in the medical arena for applications such as medication delivery, diagnostic and therapeutic procedures, prevention of excessive bleeding, and treatment of malignant tumors using magnetic particles. This study delves into the intricacies of blood flow induced by cilia, carrying trihybrid nanoparticles (gold, copper, and titania), within a catheterized arterial annulus under a robust magnetic field.
View Article and Find Full Text PDFLeveraging an Innovative Green Copper and Nitrogen-Doped Carbon Quantum Dots for Quantification of Malathion in Various Matrices.
J Fluoresc
January 2025
Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Assiut branch, Assiut, 71524, Egypt.
Article Synopsis
- Carbon quantum dots (CQDs) are gaining attention as cost-effective and eco-friendly fluorescence probes, offering advantages over traditional luminescent techniques.
- A new type of copper and nitrogen-doped CQDs (Cu-N@CQDs) was created, achieving a high quantum yield of 40.20% for detecting malathion, an insecticide.
- The study demonstrated that the fluorescence intensity of Cu-N@CQDs decreased in response to malathion, allowing for accurate measurements across various samples like water and food, achieving high recovery rates.
Magnetic Nanoactuator-Protein Fiber Coated Hydrogel Dressing for Well-Balanced Skin Wound Healing and Tissue Regeneration.
ACS Nano
January 2025
State Key Laboratory of Cardiology and Medical Innovation Center, Shanghai East Hospital, The Institute for Biomedical Engineering & Nano Science, School of Medicine, Tongji University, Shanghai 200092, P. R. China.
Despite significant progress in skin wound healing, it is still a challenge to construct multifunctional bioactive dressings based on a highly aligned protein fiber coated hydrogel matrix for antifibrosis skin wound regeneration that is indistinguishable to native skin. In this study, a "dual-wheel-driven" strategy is adopted to modify the surface of methacrylated gelatin (GelMA) hydrogel with highly aligned magnetic nanocomposites-protein fiber assemblies (MPF) consisting of photothermal responsive antibacteria superparamagnetic nanocomposites-fibrinogen (Fg) complexes as the building blocks. Whole-phase healing properties of the modified hydrogel dressing, GelMA-MPF (GMPF), stem from the integration of Fg protein with RGD peptide activity decorated on the surface of the antibacterial magnetic nanoactuator, facilitating facile and reproducible dressing preparation by self-assembly and involving biochemical, morphological, and biophysical cues.
View Article and Find Full Text PDFTwo Cases of Menkes Disease With Similar Intracranial Arterial Tortuosity on Brain Magnetic Resonance Imaging.
Cureus
November 2024
Department of Radiology, Kyorin University, Faculty of Medicine, Tokyo, JPN.
Menkes disease is an X-linked recessive genetically inherited metabolic disease caused by an ATP7A gene abnormality that gives rise to impaired copper absorption. Copper deficiency causes symptoms such as characteristic abnormalities in the hair and vascular disorders. Brain MRI findings include a high-signal intensity in the temporal lobe white matter on T2-weighted images and delayed myelination.
View Article and Find Full Text PDFThe Greening of Hair: A Unique Case of Chlorotrichosis and Its Management.
Skin Appendage Disord
December 2024
Trichology Clinic, Dermatology Department, Hospital General "Dr. Manuel Gea González", Mexico City, Mexico.
Introduction: Chlorotrichosis, commonly known as "green hair," is an unusual trichological condition characterized by the accumulation of exogenous copper in individuals with light-colored hair and prior hair damage. It is primarily associated with inadequately maintained swimming pools.
Case Presentation: We report a case of chlorotrichosis in a 16-year-old female who presented with a sudden and pronounced change in hair color after initiating regular swimming.
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