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| http://dx.doi.org/10.7812/TPP/19.165 | DOI Listing |
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Recent progress in electrochemical recycling of waste NdFeB magnets.
Chem Commun (Camb)
January 2025
School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, P. R. China.
Neodymium iron boron (NdFeB) magnets are critical components in green energy technologies and have received increasing attention due to the limited availability of the raw materials, specifically rare earth elements (REEs). The supply risks associated with primary mining of RE ores, which have significant environmental impacts, underscore the necessity for recycling RE secondary resources. Waste NdFeB magnets, generated during manufacturing processes and recovered from end-of-life products, represent valuable RE secondary resources.
View Article and Find Full Text PDFMagnetic control of membrane damage in early endosomes using internalized magnetic nanoparticles.
Cell Struct Funct
December 2024
Graduate Course in Biological Sciences, Division of Science and Engineering, Graduate School of Arts and Sciences, Iwate University.
Article Synopsis
- The study explores how membrane stiffness affects cell behavior and examines the physical properties of membranes in a lab setting.
- Researchers introduced magnetic nanoparticles into breast cancer cells and used magnetic fields to see if they could damage the endosomal membrane.
- Findings show that applying a strong static magnetic field can induce membrane damage in early endosomes, particularly when using a magnetic field strength of 100 mT for five minutes, highlighting the potential for controlled damage with magnetic fields.
Ingestion of Multiple Magnets by Children: Diagnosis and Management When Ingestion is not Witnessed.
Ann Ital Chir
December 2024
General and Thoracic Pediatric Surgery Unit, Bambino Gesù Children's Hospital, IRCCS, 00165 Rome, Italy.
Aim: Foreign body ingestion, particularly that of magnets, is a significant issue for children aged 6 months to 3 years due to their prevalence in toys and household items. Most ingested foreign bodies pass naturally, but 10%-20% of such cases require endoscopic removal, and <1% require surgery.
Case Presentation: A 2-year-old girl presented with abdominal pain, nausea, and vomiting.
Utility of endoscopic neodymium-iron-boron magnet ring tracer technique in laparoscopy for colorectal lesions.
Endoscopy
December 2024
Endoscopy and Digestive System, Guizhou Provincial People's Hospital, Guiyang, China.
Expression of c-fos in cortical neuron cultures under dynamic magnetic field is not suppressed by calcium channel blockers.
Drug Discov Ther
December 2024
Department of Neurosurgery, University of Toyama, Japan.
Previously, we developed a dynamic magnetic field (DMF) device using neodymium magnets that induced c-fos expression in cortical neurons, while activity-regulated cytoskeleton-associated protein (Arc), and brain-derived neurotrophic factor (BDNF) remained unaffected. The precise signal transduction pathway for c-fos induction under DMF was unclear. This study aimed to investigate the mechanism of immediate early gene (IEG) induction using calcium channel blockers (CCBs).
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