Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Reexamination Certificate
2007-09-18
2007-09-18
Shrivastav, Brij (Department: 2859)
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
C324S318000
Reexamination Certificate
active
11152853
ABSTRACT:
An analytical device for rapid, non-invasive nuclear magnetic resonance (NMR) spectroscopy of multiple samples using a single spectrometer is provided. A modified toroid cavity/coil detector (TCD), and methods for conducting the simultaneous acquisition of NMR data for multiple samples including a protocol for testing NMR multi-detectors are provided. One embodiment includes a plurality of LC resonant circuits including spatially separated toroid coil inductors, each toroid coil inductor enveloping its corresponding sample volume, and tuned to resonate at a predefined frequency using a variable capacitor. The toroid coil is formed into a loop, where both ends of the toroid coil are brought into coincidence. Another embodiment includes multiple micro Helmholtz coils arranged on a circular perimeter concentric with a central conductor of the toroid cavity.
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Gerald, II Rex E.
Gregar Joseph S.
Meadows Alexander D.
Rathke Jerome W.
Dvorscak Mark P.
Fetzner Tiffany A.
Gottlieb Paul A.
LaMarre Mark
Shrivastav Brij
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