Radiant energy – Ionic separation or analysis – With plural – simultaneous ion generators
Reexamination Certificate
2006-05-23
2006-05-23
Wells, Nikita (Department: 2881)
Radiant energy
Ionic separation or analysis
With plural, simultaneous ion generators
C250S288000
Reexamination Certificate
active
07049582
ABSTRACT:
The present invention relates to a spray needle for use in electrospray ionization (ESI) for mass spectrometry. A spray needle is disclosed which is constructed to have an opening along its length such that a sample solution may be more readily introduced or loaded therein. Further, the design of the spray needle of the invention is more durable than the prior art spray needles and may be reusable. Because sample loading is more readily achieved, the spray needle of the invention is appropriate for use with a fully automated system for the analysis of samples.
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Klesper et al.,Improved Detection Sensitivity in ES MS by a New Capillary Design: Basic Principles, ASMS; CARBOTEC GmbH, Jun., 2000, 19 pages.
Bruker Daltonics Inc.
Fernandez Kalimah
Ward & Olivo
Wells Nikita
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