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Magnetic nanoparticles of Nd2Fe14B prepared by ethanol-assisted wet ball milling technique.
Sci Rep
January 2025
Environmental and Occupational Hazards Control Research Center, Research Institute for Health Sciences and Environment, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
The magnetic material Nd2Fe14B is one of the strongest magnetic materials found in nature. The demand for the production of these nanoparticles is significantly high due to their exceptional properties. The aim of the present study is to synthesize magnetic nanoparticles of Nd2Fe14B using ethanol in the wet ball milling technique (WBMT).
View Article and Find Full Text PDFResearch Progress on Quantum Dot-Embedded Polymer Films and Plates for LCD Backlight Display.
Polymers (Basel)
January 2025
College of Engineering and Applied Sciences, Nanjing University, Nanjing 210023, China.
Quantum dot-polymer composites have the advantages of high luminescent quantum yield (PLQY), narrow emission half-peak full width (FWHM), and tunable emission spectra, and have broad application prospects in display and lighting fields. Research on quantum dots embedded in polymer films and plates has made great progress in both synthesis technology and optical properties. However, due to the shortcomings of quantum dots, such as cadmium selenide (CdSe), indium phosphide (InP), lead halide perovskite (LHP), poor water, oxygen, and light stability, and incapacity for large-scale synthesis, their practical application is still restricted.
View Article and Find Full Text PDFThe Fluorescent Detection of Alkaline Phosphatase Based on Iron Nanoclusters and a Manganese Dioxide Nanosheet.
Sensors (Basel)
January 2025
Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110004, China.
Fluorescent iron nanoclusters are emerging fluorescent nanomaterials. Herein, we synthesized hemoglobin-coated iron nanoclusters (Hb-Fe NCs) with a significant fluorescence emission peak at 615 nm and investigated the inner-filter effect of fluorescence induced by a manganese dioxide nanosheet (MnO NS). The fluorescence quenching of Hb-Fe NCs by a MnO NS can be significantly reversed by the addition of ascorbic acid.
View Article and Find Full Text PDFSpore-Derived Isolates from a Single Basidiocarp of Bioluminescent Reveal Multifaceted Phenotypic and Physiological Variations.
Microorganisms
January 2025
Department of Biology, College of Science and Math, California State University, Northridge, CA 91330, USA.
The fungal genus is noted for its bioluminescence and the production of biologically active secondary metabolites. We isolated 47 fungal strains of germinated from spores of a single mushroom. We first noted a high degree of variation in the outward appearances in radial growth and pigmentation among the cultures.
View Article and Find Full Text PDFAcoustic emission characteristics and damage constitutive model of fractured sandstone under uniaxial compression.
Sci Rep
January 2025
Guizhou Energy Group Co., Ltd., Guiyang, 550081, Guizhou, China.
To investigate the statistical laws of acoustic emission energy (AEE) avalanche dynamics of sandstone under varying fracture lengths and dip angles, as well as to determine the relationship between acoustic emission (AE) parameters and damage variables, we studied the mechanical properties and AE characteristics of sandstone with a single fracture subjected to uniaxial compression with the aid of the Shimadzu AG-IS test system and the PCI-2 AE system. The AEE characteristics of fractured sandstone under load were analyzed based on the statistical method of avalanche dynamics, with emphasis on AEE distribution, aftershock sequence, and waiting time distribution. The Weibull distribution function that incorporates a correction coefficient β was employed to optimize the Weibull parameters based on the strain equivalent hypothesis theory, which led to the establishment of a statistical damage constitutive model for fractured rock.
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