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Chips shown in the tip of a hypodermic needle.
Chen Shi/Columbia Engineering
Abstract:
Columbia Engineers develop the smallest single-chip system that is a complete functioning electronic circuit; implantable chips visible only in a microscope point the way to developing chips that can be injected into the body with a hypodermic needle to monitor medical conditions.
Tiny, Wireless, Injectable Chips Use Ultrasound to Monitor Body Processes
New York, NY | Posted on May 12th, 2021
Widely used to monitor and map biological signals, to support and enhance physiological functions, and to treat diseases, implantable medical devices are transforming healthcare and improving the quality of life for millions of people. Researchers are increasingly interested in designing wireless, miniaturized implantable medical devices for in vivo and in situ physiological monitoring. These devices could be used to monitor physiological conditions, such as temperature, blood pre
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Home > Press > New Cypher VRS1250 Video-Rate Atomic Force Microscope Enables True Video-Rate Imaging at up to 45 Frames per Second
Abstract:
Oxford Instruments Asylum Research today announced the launch of the new Cypher VRS1250 video-rate atomic force microscope (AFM). Twice as fast as the first-generation Cypher VRS, the new AFM enables scan rates up to 1250 lines/second and frame rates up to 45 frames/second. This new higher speed will enable researchers to capture nanoscale details of dynamic events that were previously inaccessible, including biochemical reactions, 2D molecular self-assembly, and etch and dissolution processes and more. The Cypher VRS1250 is unique among high-speed AFMs in that it can also support a full range of modes and accessories, not just high-speed imaging, which makes it a very versatile tool for large interdisciplinary research groups and shared imaging facilities with multiple projects.
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Home > Press > Researchers analyzed circulating currents inside gold nanoparticles: A new method facilitates accurate analysis of magnetic field effects inside complex nanostructures
The atomic structure of a gold nanoparticle protected by phosphine molecules (left) and magnetic-field-induced electron currents in a plane intersecting the center of the particle (right). The total electron current consists of two (paratropic and diatropic) components circulating in opposite directions.
CREDIT
University of Jyväskylä/Omar Lopez Estrada
Abstract:
Researchers in the Nanoscience Center of University of Jyvaskyla, in Finland and in the Guadalajara University in Mexico developed a method that allows for simulation and visualization of magnetic-field-induced electron currents inside gold nanoparticles. The method facilitates accurate analysis of magnetic field effects inside complex nanostructures in nuclear magnetic resonance measure