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    Team creates Nano-Magnets that could Restore Damaged Nerve Cells

    November 30, 2022, Categories  Biology/Biotechnology, Health/Medical

    The nano-magnets that will restore damaged nerve cells
    Modular magnetic devices for applying local magnetic fields. Applying magnetic fields using A) 4 mm diameter pinhole parallelly-aligned and beehive-like magnetic devices. B) 1.5 cm diameter ring magnet. i) Illustrations of magnetic devices. In blue: pores are arranged in a beehive-like pattern, in red: pores are arranged in parallel lines. ii) Life-size images of magnetic rod/ring. iii) Simulations of magnetic flux density in COMSOL software. The images present a top view of magnetic flux density generated by a magnetic rod/ring in tesla (T). Intensity is color-coded (low intensity in dark blue, high intensity in red). iv) COMSOL simulations of magnetic field, magnetic flux density, and magnetic force 1 mm above the magnetic rod/ring. The magnetic field is indicated as solid lines...
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    3D-printed Microfish do muich more than Swim

    August 26, 2015, Categories  Physics, Technology/Electronics

    3-D-printed microfish contain functional nanoparticles that enable them to be self-propelled, chemically powered and magnetically steered. The microfish are also capable of removing and sensing toxins. Credit: J. Warner, UC San Diego Jacobs School of Engineering.

    3-D-printed microfish contain functional nanoparticles that enable them to be self-propelled, chemically powered and magnetically steered. The microfish are also capable of removing and sensing toxins. Credit: J. Warner, UC San Diego Jacobs School of Engineering.

    These microrobots are powered by H2O2 and magnetically controlled. They will inspire a new generation of ‘smart’ microrobots that have diverse capabilities such as detoxification, sensing and directed drug delivery, the nanoengineers of University of California, SD said.

    The technique used to fabricate the microfish provides many improvements over other methods with locomotion mechanisms, eg microjet engines, microdrillers and microrockets...

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