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Title: Method and apparatus for ion mobility separations utilizing alternating current waveforms

Abstract

Methods and apparatuses for ion manipulations, including ion trapping, transfer, and mobility separations, using traveling waves (TW) formed by continuous alternating current (AC) are disclosed. An apparatus for ion manipulation includes a surface to which are coupled a first plurality of continuous electrodes and a second plurality of segmented electrodes. The second plurality of segmented electrodes is arranged in longitudinal sets between or adjacent to the first plurality of electrodes. An RF voltage applied to adjacent electrodes of the first plurality of electrodes is phase shifted by approximately 180° to confine ions within the apparatus. An AC voltage waveform applied to adjacent electrodes within a longitudinal set of the second plurality of segmented electrodes is phase shifted on the adjacent electrodes by 1°-359° to move ions longitudinally through the apparatus for separation.

Inventors:
; ; ;
Issue Date:
Research Org.:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1568453
Patent Number(s):
10317364
Application Number:
15/774,837
Assignee:
Battelle Memorial Institute (Richland, WA)
Patent Classifications (CPCs):
G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01J - ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
DOE Contract Number:  
AC06-76RL01830; GM103493
Resource Type:
Patent
Resource Relation:
Patent File Date: 08/15/2016
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 42 ENGINEERING

Citation Formats

Garimella, Venkata B. S., Hamid, Ahmed M., Ibrahim, Yehia M., and Smith, Richard D. Method and apparatus for ion mobility separations utilizing alternating current waveforms. United States: N. p., 2019. Web.
Garimella, Venkata B. S., Hamid, Ahmed M., Ibrahim, Yehia M., & Smith, Richard D. Method and apparatus for ion mobility separations utilizing alternating current waveforms. United States.
Garimella, Venkata B. S., Hamid, Ahmed M., Ibrahim, Yehia M., and Smith, Richard D. Tue . "Method and apparatus for ion mobility separations utilizing alternating current waveforms". United States. https://www.osti.gov/servlets/purl/1568453.
@article{osti_1568453,
title = {Method and apparatus for ion mobility separations utilizing alternating current waveforms},
author = {Garimella, Venkata B. S. and Hamid, Ahmed M. and Ibrahim, Yehia M. and Smith, Richard D.},
abstractNote = {Methods and apparatuses for ion manipulations, including ion trapping, transfer, and mobility separations, using traveling waves (TW) formed by continuous alternating current (AC) are disclosed. An apparatus for ion manipulation includes a surface to which are coupled a first plurality of continuous electrodes and a second plurality of segmented electrodes. The second plurality of segmented electrodes is arranged in longitudinal sets between or adjacent to the first plurality of electrodes. An RF voltage applied to adjacent electrodes of the first plurality of electrodes is phase shifted by approximately 180° to confine ions within the apparatus. An AC voltage waveform applied to adjacent electrodes within a longitudinal set of the second plurality of segmented electrodes is phase shifted on the adjacent electrodes by 1°-359° to move ions longitudinally through the apparatus for separation.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2019},
month = {6}
}

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