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A SQUID NDE system for the investigation of pinch welds [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 2005.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy
Physical Description
5 unnumbered pages : digital, PDF file
Additional Creators
Los Alamos National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
We present preliminary results for a magnetic flow spectrometer for magnetic microparticle separation, and a magnetic flow cytometer for particle identification. The application of the instrument is to high-throughput bioassay. Here we report on the first application of our magnetic spectrometer to the sorting of ferromagnetic and superparamagnetic microspheres in flow. The system is based on a permanent magnet quadrupole and separates the polymer coated magnetic microspheres based on their magnetic moments. The cryogenic section of our magnetic flow cytometer, which involves SQUID-based detection of the sorted magnetic microspheres based on their magnetic moments, has been re-engineered to permit a smaller standoff between the SQUID array and the flowing magnetic particles. We present preliminary results with the new experimental setup, with an emphasis on both spatial and signal resolution.
Report Numbers
E 1.99:la-ur-05-6776
la-ur-05-6776
Subject(s)
Note
Published through SciTech Connect.
01/01/2005.
"la-ur-05-6776"
EUCAS, September 2005, VIENNA Proceedings Superconductor Science&Technology.
Carr, C. (Christopher); Espy, M. A. (Michelle A.); Kraus, Robert H., Jr.
View MARC record | catkey: 23759739