JPWO2012029315A1 - イオン移動装置 - Google Patents
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- G01N27/624—Differential mobility spectrometry [DMS]; Field asymmetric-waveform ion mobility spectrometry [FAIMS]
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Abstract
Description
vd=KE ・・・(1)
ここで、Eは電場の強さであり、Kは移動度(イオン移動度)であり、各化学物質(分子、原子、ガス成分、組成物など)でユニークなパラメータである。したがって、イオン移動度と、電場の強さと、スイッチング速度(周波数)とを含む第1の交流電界の条件に合致(同期)した化学物質が第1の方向に移動され、移動装置から出力される。また、移動装置内では、第1の交流電界の条件に合致(同期)した化学物質の濃度が減るので、その化学物質が実質的に移動装置に吸い込まれる。
・複数の第1の電極にリニア駆動用の第1の交流電界を形成させること。
・複数の第2の電極に非対称な第2の交流電界を形成させること。
Claims (15)
- イオン化された物質を第1の方向に移動させる移動装置であって、
前記第1の方向に並んだ複数の第1の電極であって、当該複数の第1の電極の少なくとも一部の隣接する電極間に形成される電界方向が定期的に反転し、イオン化された物質の少なくとも一部を前記第1の方向に進行させるリニア駆動用の第1の交流電界を形成する複数の第1の電極と、
前記第1の方向と異なる第2の方向に並び、イオン化された物質の少なくとも一部の進行方向を前記第2の方向に偏向させる非対称な第2の交流電界を形成する複数の第2の電極とを有する移動装置。 - 請求項1において、前記複数の第1の電極は、前記複数の第2の電極が形成する第2の交流電界内に配置されている、移動装置。
- 請求項2において、前記複数の第1の電極は、前記複数の第2の電極の対面する2つの電極のほぼ中間に前記第1の方向に並んで配置された複数のリング状電極を含む、移動装置。
- 請求項3において、前記複数の第2の電極の対面する2つの電極は、筒状の流路を形成し、前記複数のリング状電極は、前記筒状の流路の中心線に沿って配置されている、移動装置。
- 請求項1ないし4のいずれかにおいて、前記第2の交流電界は、交流成分および直流成分を含む、移動装置。
- 請求項1ないし5のいずれかに記載の移動装置と、
前記移動装置に流入する物質をイオン化するイオン化ユニットと、
前記移動装置から吐出された物質を検出する検出器とを有する、装置。 - 請求項6において、前記移動装置から吐出された物質を蓄積するアキュムレータをさらに有する、装置。
- 請求項7において、前記アキュムレータから前記移動装置の入り口側へ前記アキュムレータ内の物質を供給するフィードバックパスをさらに有する、装置。
- 請求項1ないし5のいずれかに記載の移動装置を複数有する装置であって、
前記複数の移動装置のそれぞれから吐出された物質を蓄積する反応チャンバーと、
前記反応チャンバー内の物質に反応エネルギーを供給するエネルギー供給ユニットとを有する装置。 - 請求項9において、前記複数の移動装置のそれぞれに供給される物質を蓄積する複数のアキュムレータと、
前記複数のアキュムレータのそれぞれに物質を供給する複数の供給用の移動装置とを有し、
前記複数の供給用の移動装置のそれぞれは、請求項1ないし5のいずれかに記載された移動装置である、装置。 - 請求項6ないし10のいずれかに記載の装置を有する携帯端末。
- 第1の方向に並んだ複数の第1の電極と第2の方向に並んだ複数の第2の電極とを含む移動装置によりイオン化された物質を第1の方向に移動させることを含む方法であって、
前記移動させることは、
前記複数の第1の電極にリニア駆動用の第1の交流電界を形成させることと、
前記複数の第2の電極に非対称な第2の交流電界を形成させることとを有する、方法。 - 請求項12において、
前記移動させることは、イオン化された物質を検出器に向けて移動させることを含む、方法。 - 請求項12または13において、
前記移動させることは、イオン化された物質をアキュムレータに向けて移動させることを含む、方法。 - 請求項12ないし14のいずれかにおいて、
前記移動させることは、イオン化された物質を反応チャンバーに向けて移動させることを含む、方法。
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PCT/JP2011/004890 WO2012029315A1 (ja) | 2010-08-31 | 2011-08-31 | イオン移動装置 |
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KR20120106781A (ko) * | 2009-12-22 | 2012-09-26 | 아토나프 가부시키가이샤 | 컨텐츠를 공급하는 장치 |
US8604419B2 (en) * | 2010-02-04 | 2013-12-10 | Thermo Fisher Scientific (Bremen) Gmbh | Dual ion trapping for ion/ion reactions in a linear RF multipole trap with an additional DC gradient |
-
2011
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- 2011-08-31 JP JP2012531691A patent/JP5815533B2/ja active Active
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- 2011-08-31 CN CN201180052909.6A patent/CN103201620B/zh not_active Expired - Fee Related
- 2011-08-31 WO PCT/JP2011/004890 patent/WO2012029315A1/ja active Application Filing
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Also Published As
Publication number | Publication date |
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EP2613140A4 (en) | 2016-12-21 |
KR20130103516A (ko) | 2013-09-23 |
EP2613142A4 (en) | 2016-12-21 |
JP5815535B2 (ja) | 2015-11-17 |
US9035240B2 (en) | 2015-05-19 |
EP2613142A1 (en) | 2013-07-10 |
EP2613140A1 (en) | 2013-07-10 |
JPWO2012029303A1 (ja) | 2013-10-28 |
US20130277547A1 (en) | 2013-10-24 |
CN103299183A (zh) | 2013-09-11 |
WO2012029303A1 (ja) | 2012-03-08 |
US20130284916A1 (en) | 2013-10-31 |
CN103201620B (zh) | 2016-04-06 |
CN103201620A (zh) | 2013-07-10 |
KR20130102569A (ko) | 2013-09-17 |
JP5815533B2 (ja) | 2015-11-17 |
WO2012029315A1 (ja) | 2012-03-08 |
CN103299183B (zh) | 2015-07-01 |
US8866075B2 (en) | 2014-10-21 |
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