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news release:
New Varian Premium Shielded Magnets Allow NMR to Move
Into More Routine Application Laboratories
Palo Alto,
Calif., July 26: Varian, Inc. (Nasdaq:
VARI) today debuted its first premium shielded vertical high-resolution
superconducting magnets designed to reduce stray magnetic fields by up to
fivefold (in volume), allowing researchers to save valuable space in
pharmaceutical and academic laboratories and making nuclear magnetic resonance (NMR)
more accessible for routine applications. The 500 MHz and 600 MHz premium
shielded magnets are integrated with the company's new Varian NMR System and are
compatible with its suite of cold and room temperature NMR probes.
Core to NMR, magnets provide
a strong, extremely homogenous magnetic field into which the sample, whether
liquid or solid, is placed for non-destructive mapping of molecular structures
and learning how molecules function and relate to each other. Traditional
magnets emit stray magnetic fields that can encroach on other analytical
instrumentation, thereby restricting the amount of working space in
pharmaceutical and academic laboratories. With Varian's new premium shielded
magnets, magnet perimeter space requirements are minimized, reduced by as much
as fivefold. This is an important step toward moving NMR into more routine
application laboratories.
The new Varian premium
shielded magnets have 54-millimeter (mm) internal bores, which are compatible in
diameter with the bores of other magnets in the 300 MHz to 900 MHz range,
enabling probe development to be centered on one platform. An NMR probe holds
the sample within the bore of the magnet, at the center of the magnetic field.
The wider 54-mm bore allows for greater flexibility in designing new probes and
in the future development of NMR systems.
"Our new premium shielded
magnets should help accelerate Varian, Inc.'s strategy of making NMR a smaller,
easier-to-use, and more routine piece of laboratory equipment," said Martin
O'Donoghue, Vice President of Scientific Instruments, Varian, Inc.
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