Ion excitation in a linear quadrupole ion trap with an added octopole field
Abstract Modeling of ion motion and experimental investigations of ion excitation in a linear quadrupole trap with a 4% added octopole field are described. The results are compared with those obtained with a conventional round rod set. Motion in the effective potential of the rod set can explain man...
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| Autor*in: |
Michaud, A. L. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2005 |
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| Schlagwörter: |
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| Anmerkung: |
© American Society for Mass Spectrometry 2005 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of the American Society for Mass Spectrometry - Springer-Verlag, 1990, 16(2005), 6 vom: Juni, Seite 835-849 |
|---|---|
| Übergeordnetes Werk: |
volume:16 ; year:2005 ; number:6 ; month:06 ; pages:835-849 |
| Links: |
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| DOI / URN: |
10.1016/j.jasms.2005.02.006 |
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| Katalog-ID: |
OLC2097663389 |
|---|
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| 520 | |a Abstract Modeling of ion motion and experimental investigations of ion excitation in a linear quadrupole trap with a 4% added octopole field are described. The results are compared with those obtained with a conventional round rod set. Motion in the effective potential of the rod set can explain many of the observed phenomena. The frequencies of ion oscillation in the x and y directions shift with amplitude in opposite directions as the amplitudes of oscillation increase. Excitation profiles for ion fragmentation become asymmetric and in some cases show bistable behavior where the amplitude of oscillation suddenly jumps between high and low values with very small changes in excitation frequency. Experiments show these effects. Ions are injected into a linear trap, stored, isolated, excited for MS/MS, and then mass analyzed in a time-of-flight mass analyzer. Frequency shifts between the x and y motions are observed, and in some cases asymmetric excitation profiles and bistable behavior are observed. Higher MS/MS efficiencies are expected when an octopole field is added. MS/MS efficiencies ($ N_{2} $ collision gas) have been measured for a conventional quadrupole rod set and a linear ion trap with a 4% added octopole field. Efficiencies are chemical compound dependent, but when an octopole field is added, efficiencies can be substantially higher than with a conventional rod set, particularly at pressures of 1. 4 × $ 10^{−4} $ torr or less. | ||
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10.1016/j.jasms.2005.02.006 doi (DE-627)OLC2097663389 (DE-He213)j.jasms.2005.02.006-p DE-627 ger DE-627 rakwb eng 530 VZ 11 ssgn Michaud, A. L. verfasserin aut Ion excitation in a linear quadrupole ion trap with an added octopole field 2005 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © American Society for Mass Spectrometry 2005 Abstract Modeling of ion motion and experimental investigations of ion excitation in a linear quadrupole trap with a 4% added octopole field are described. The results are compared with those obtained with a conventional round rod set. Motion in the effective potential of the rod set can explain many of the observed phenomena. The frequencies of ion oscillation in the x and y directions shift with amplitude in opposite directions as the amplitudes of oscillation increase. Excitation profiles for ion fragmentation become asymmetric and in some cases show bistable behavior where the amplitude of oscillation suddenly jumps between high and low values with very small changes in excitation frequency. Experiments show these effects. Ions are injected into a linear trap, stored, isolated, excited for MS/MS, and then mass analyzed in a time-of-flight mass analyzer. Frequency shifts between the x and y motions are observed, and in some cases asymmetric excitation profiles and bistable behavior are observed. Higher MS/MS efficiencies are expected when an octopole field is added. MS/MS efficiencies ($ N_{2} $ collision gas) have been measured for a conventional quadrupole rod set and a linear ion trap with a 4% added octopole field. Efficiencies are chemical compound dependent, but when an octopole field is added, efficiencies can be substantially higher than with a conventional rod set, particularly at pressures of 1. 4 × $ 10^{−4} $ torr or less. Excitation Amplitude High Frequency Side Excitation Time Quadrupole Field Bistable Behavior Frank, A. J. aut Ding, C. aut Zhao, XianZhen aut Douglas, D. J. aut Enthalten in Journal of the American Society for Mass Spectrometry Springer-Verlag, 1990 16(2005), 6 vom: Juni, Seite 835-849 (DE-627)130977357 (DE-600)1073671-2 (DE-576)277732093 1044-0305 nnns volume:16 year:2005 number:6 month:06 pages:835-849 https://doi.org/10.1016/j.jasms.2005.02.006 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-CHE GBV_ILN_40 GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4125 GBV_ILN_4307 GBV_ILN_4313 AR 16 2005 6 06 835-849 |
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10.1016/j.jasms.2005.02.006 doi (DE-627)OLC2097663389 (DE-He213)j.jasms.2005.02.006-p DE-627 ger DE-627 rakwb eng 530 VZ 11 ssgn Michaud, A. L. verfasserin aut Ion excitation in a linear quadrupole ion trap with an added octopole field 2005 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © American Society for Mass Spectrometry 2005 Abstract Modeling of ion motion and experimental investigations of ion excitation in a linear quadrupole trap with a 4% added octopole field are described. The results are compared with those obtained with a conventional round rod set. Motion in the effective potential of the rod set can explain many of the observed phenomena. The frequencies of ion oscillation in the x and y directions shift with amplitude in opposite directions as the amplitudes of oscillation increase. Excitation profiles for ion fragmentation become asymmetric and in some cases show bistable behavior where the amplitude of oscillation suddenly jumps between high and low values with very small changes in excitation frequency. Experiments show these effects. Ions are injected into a linear trap, stored, isolated, excited for MS/MS, and then mass analyzed in a time-of-flight mass analyzer. Frequency shifts between the x and y motions are observed, and in some cases asymmetric excitation profiles and bistable behavior are observed. Higher MS/MS efficiencies are expected when an octopole field is added. MS/MS efficiencies ($ N_{2} $ collision gas) have been measured for a conventional quadrupole rod set and a linear ion trap with a 4% added octopole field. Efficiencies are chemical compound dependent, but when an octopole field is added, efficiencies can be substantially higher than with a conventional rod set, particularly at pressures of 1. 4 × $ 10^{−4} $ torr or less. Excitation Amplitude High Frequency Side Excitation Time Quadrupole Field Bistable Behavior Frank, A. J. aut Ding, C. aut Zhao, XianZhen aut Douglas, D. J. aut Enthalten in Journal of the American Society for Mass Spectrometry Springer-Verlag, 1990 16(2005), 6 vom: Juni, Seite 835-849 (DE-627)130977357 (DE-600)1073671-2 (DE-576)277732093 1044-0305 nnns volume:16 year:2005 number:6 month:06 pages:835-849 https://doi.org/10.1016/j.jasms.2005.02.006 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-CHE GBV_ILN_40 GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4125 GBV_ILN_4307 GBV_ILN_4313 AR 16 2005 6 06 835-849 |
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10.1016/j.jasms.2005.02.006 doi (DE-627)OLC2097663389 (DE-He213)j.jasms.2005.02.006-p DE-627 ger DE-627 rakwb eng 530 VZ 11 ssgn Michaud, A. L. verfasserin aut Ion excitation in a linear quadrupole ion trap with an added octopole field 2005 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © American Society for Mass Spectrometry 2005 Abstract Modeling of ion motion and experimental investigations of ion excitation in a linear quadrupole trap with a 4% added octopole field are described. The results are compared with those obtained with a conventional round rod set. Motion in the effective potential of the rod set can explain many of the observed phenomena. The frequencies of ion oscillation in the x and y directions shift with amplitude in opposite directions as the amplitudes of oscillation increase. Excitation profiles for ion fragmentation become asymmetric and in some cases show bistable behavior where the amplitude of oscillation suddenly jumps between high and low values with very small changes in excitation frequency. Experiments show these effects. Ions are injected into a linear trap, stored, isolated, excited for MS/MS, and then mass analyzed in a time-of-flight mass analyzer. Frequency shifts between the x and y motions are observed, and in some cases asymmetric excitation profiles and bistable behavior are observed. Higher MS/MS efficiencies are expected when an octopole field is added. MS/MS efficiencies ($ N_{2} $ collision gas) have been measured for a conventional quadrupole rod set and a linear ion trap with a 4% added octopole field. Efficiencies are chemical compound dependent, but when an octopole field is added, efficiencies can be substantially higher than with a conventional rod set, particularly at pressures of 1. 4 × $ 10^{−4} $ torr or less. Excitation Amplitude High Frequency Side Excitation Time Quadrupole Field Bistable Behavior Frank, A. J. aut Ding, C. aut Zhao, XianZhen aut Douglas, D. J. aut Enthalten in Journal of the American Society for Mass Spectrometry Springer-Verlag, 1990 16(2005), 6 vom: Juni, Seite 835-849 (DE-627)130977357 (DE-600)1073671-2 (DE-576)277732093 1044-0305 nnns volume:16 year:2005 number:6 month:06 pages:835-849 https://doi.org/10.1016/j.jasms.2005.02.006 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-CHE GBV_ILN_40 GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4125 GBV_ILN_4307 GBV_ILN_4313 AR 16 2005 6 06 835-849 |
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10.1016/j.jasms.2005.02.006 doi (DE-627)OLC2097663389 (DE-He213)j.jasms.2005.02.006-p DE-627 ger DE-627 rakwb eng 530 VZ 11 ssgn Michaud, A. L. verfasserin aut Ion excitation in a linear quadrupole ion trap with an added octopole field 2005 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © American Society for Mass Spectrometry 2005 Abstract Modeling of ion motion and experimental investigations of ion excitation in a linear quadrupole trap with a 4% added octopole field are described. The results are compared with those obtained with a conventional round rod set. Motion in the effective potential of the rod set can explain many of the observed phenomena. The frequencies of ion oscillation in the x and y directions shift with amplitude in opposite directions as the amplitudes of oscillation increase. Excitation profiles for ion fragmentation become asymmetric and in some cases show bistable behavior where the amplitude of oscillation suddenly jumps between high and low values with very small changes in excitation frequency. Experiments show these effects. Ions are injected into a linear trap, stored, isolated, excited for MS/MS, and then mass analyzed in a time-of-flight mass analyzer. Frequency shifts between the x and y motions are observed, and in some cases asymmetric excitation profiles and bistable behavior are observed. Higher MS/MS efficiencies are expected when an octopole field is added. MS/MS efficiencies ($ N_{2} $ collision gas) have been measured for a conventional quadrupole rod set and a linear ion trap with a 4% added octopole field. Efficiencies are chemical compound dependent, but when an octopole field is added, efficiencies can be substantially higher than with a conventional rod set, particularly at pressures of 1. 4 × $ 10^{−4} $ torr or less. Excitation Amplitude High Frequency Side Excitation Time Quadrupole Field Bistable Behavior Frank, A. J. aut Ding, C. aut Zhao, XianZhen aut Douglas, D. J. aut Enthalten in Journal of the American Society for Mass Spectrometry Springer-Verlag, 1990 16(2005), 6 vom: Juni, Seite 835-849 (DE-627)130977357 (DE-600)1073671-2 (DE-576)277732093 1044-0305 nnns volume:16 year:2005 number:6 month:06 pages:835-849 https://doi.org/10.1016/j.jasms.2005.02.006 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-CHE GBV_ILN_40 GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4125 GBV_ILN_4307 GBV_ILN_4313 AR 16 2005 6 06 835-849 |
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10.1016/j.jasms.2005.02.006 doi (DE-627)OLC2097663389 (DE-He213)j.jasms.2005.02.006-p DE-627 ger DE-627 rakwb eng 530 VZ 11 ssgn Michaud, A. L. verfasserin aut Ion excitation in a linear quadrupole ion trap with an added octopole field 2005 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © American Society for Mass Spectrometry 2005 Abstract Modeling of ion motion and experimental investigations of ion excitation in a linear quadrupole trap with a 4% added octopole field are described. The results are compared with those obtained with a conventional round rod set. Motion in the effective potential of the rod set can explain many of the observed phenomena. The frequencies of ion oscillation in the x and y directions shift with amplitude in opposite directions as the amplitudes of oscillation increase. Excitation profiles for ion fragmentation become asymmetric and in some cases show bistable behavior where the amplitude of oscillation suddenly jumps between high and low values with very small changes in excitation frequency. Experiments show these effects. Ions are injected into a linear trap, stored, isolated, excited for MS/MS, and then mass analyzed in a time-of-flight mass analyzer. Frequency shifts between the x and y motions are observed, and in some cases asymmetric excitation profiles and bistable behavior are observed. Higher MS/MS efficiencies are expected when an octopole field is added. MS/MS efficiencies ($ N_{2} $ collision gas) have been measured for a conventional quadrupole rod set and a linear ion trap with a 4% added octopole field. Efficiencies are chemical compound dependent, but when an octopole field is added, efficiencies can be substantially higher than with a conventional rod set, particularly at pressures of 1. 4 × $ 10^{−4} $ torr or less. Excitation Amplitude High Frequency Side Excitation Time Quadrupole Field Bistable Behavior Frank, A. J. aut Ding, C. aut Zhao, XianZhen aut Douglas, D. J. aut Enthalten in Journal of the American Society for Mass Spectrometry Springer-Verlag, 1990 16(2005), 6 vom: Juni, Seite 835-849 (DE-627)130977357 (DE-600)1073671-2 (DE-576)277732093 1044-0305 nnns volume:16 year:2005 number:6 month:06 pages:835-849 https://doi.org/10.1016/j.jasms.2005.02.006 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-CHE GBV_ILN_40 GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4125 GBV_ILN_4307 GBV_ILN_4313 AR 16 2005 6 06 835-849 |
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Ion excitation in a linear quadrupole ion trap with an added octopole field |
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(DE-627)OLC2097663389 (DE-He213)j.jasms.2005.02.006-p |
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Ion excitation in a linear quadrupole ion trap with an added octopole field |
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Michaud, A. L. |
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Journal of the American Society for Mass Spectrometry |
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Michaud, A. L. Frank, A. J. Ding, C. Zhao, XianZhen Douglas, D. J. |
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ion excitation in a linear quadrupole ion trap with an added octopole field |
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Ion excitation in a linear quadrupole ion trap with an added octopole field |
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Abstract Modeling of ion motion and experimental investigations of ion excitation in a linear quadrupole trap with a 4% added octopole field are described. The results are compared with those obtained with a conventional round rod set. Motion in the effective potential of the rod set can explain many of the observed phenomena. The frequencies of ion oscillation in the x and y directions shift with amplitude in opposite directions as the amplitudes of oscillation increase. Excitation profiles for ion fragmentation become asymmetric and in some cases show bistable behavior where the amplitude of oscillation suddenly jumps between high and low values with very small changes in excitation frequency. Experiments show these effects. Ions are injected into a linear trap, stored, isolated, excited for MS/MS, and then mass analyzed in a time-of-flight mass analyzer. Frequency shifts between the x and y motions are observed, and in some cases asymmetric excitation profiles and bistable behavior are observed. Higher MS/MS efficiencies are expected when an octopole field is added. MS/MS efficiencies ($ N_{2} $ collision gas) have been measured for a conventional quadrupole rod set and a linear ion trap with a 4% added octopole field. Efficiencies are chemical compound dependent, but when an octopole field is added, efficiencies can be substantially higher than with a conventional rod set, particularly at pressures of 1. 4 × $ 10^{−4} $ torr or less. © American Society for Mass Spectrometry 2005 |
| abstractGer |
Abstract Modeling of ion motion and experimental investigations of ion excitation in a linear quadrupole trap with a 4% added octopole field are described. The results are compared with those obtained with a conventional round rod set. Motion in the effective potential of the rod set can explain many of the observed phenomena. The frequencies of ion oscillation in the x and y directions shift with amplitude in opposite directions as the amplitudes of oscillation increase. Excitation profiles for ion fragmentation become asymmetric and in some cases show bistable behavior where the amplitude of oscillation suddenly jumps between high and low values with very small changes in excitation frequency. Experiments show these effects. Ions are injected into a linear trap, stored, isolated, excited for MS/MS, and then mass analyzed in a time-of-flight mass analyzer. Frequency shifts between the x and y motions are observed, and in some cases asymmetric excitation profiles and bistable behavior are observed. Higher MS/MS efficiencies are expected when an octopole field is added. MS/MS efficiencies ($ N_{2} $ collision gas) have been measured for a conventional quadrupole rod set and a linear ion trap with a 4% added octopole field. Efficiencies are chemical compound dependent, but when an octopole field is added, efficiencies can be substantially higher than with a conventional rod set, particularly at pressures of 1. 4 × $ 10^{−4} $ torr or less. © American Society for Mass Spectrometry 2005 |
| abstract_unstemmed |
Abstract Modeling of ion motion and experimental investigations of ion excitation in a linear quadrupole trap with a 4% added octopole field are described. The results are compared with those obtained with a conventional round rod set. Motion in the effective potential of the rod set can explain many of the observed phenomena. The frequencies of ion oscillation in the x and y directions shift with amplitude in opposite directions as the amplitudes of oscillation increase. Excitation profiles for ion fragmentation become asymmetric and in some cases show bistable behavior where the amplitude of oscillation suddenly jumps between high and low values with very small changes in excitation frequency. Experiments show these effects. Ions are injected into a linear trap, stored, isolated, excited for MS/MS, and then mass analyzed in a time-of-flight mass analyzer. Frequency shifts between the x and y motions are observed, and in some cases asymmetric excitation profiles and bistable behavior are observed. Higher MS/MS efficiencies are expected when an octopole field is added. MS/MS efficiencies ($ N_{2} $ collision gas) have been measured for a conventional quadrupole rod set and a linear ion trap with a 4% added octopole field. Efficiencies are chemical compound dependent, but when an octopole field is added, efficiencies can be substantially higher than with a conventional rod set, particularly at pressures of 1. 4 × $ 10^{−4} $ torr or less. © American Society for Mass Spectrometry 2005 |
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Ion excitation in a linear quadrupole ion trap with an added octopole field |
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