Radiant energy – Ionic separation or analysis – With sample supply means
Reexamination Certificate
2008-03-11
2010-10-19
Berman, Jack I (Department: 2881)
Radiant energy
Ionic separation or analysis
With sample supply means
C250S281000, C250S282000, C250S42300F, C250S424000, C250S425000
Reexamination Certificate
active
07816645
ABSTRACT:
Electrospray ionization emitter arrays, as well as methods for forming electrosprays, are described. The arrays are characterized by a radial configuration of three or more nano-electrospray ionization emitters without an extractor electrode. The methods are characterized by distributing fluid flow of the liquid sample among three or more nano-electrospray ionization emitters, forming an electrospray at outlets of the emitters without utilizing an extractor electrode, and directing the electrosprays into an entrance to a mass spectrometry device. Each of the nano-electrospray ionization emitters can have a discrete channel for fluid flow. The nano-electrospray ionization emitters are circularly arranged such that each is shielded substantially equally from an electrospray-inducing electric field.
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Kelly Ryan T.
Smith Richard D.
Tang Keqi
Battelle (Memorial Institute)
Berman Jack I
Maskell Michael
Tuan Allan C.
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