JP5873443B2 - 質量分析方法、イオン生成装置及び質量分析システム - Google Patents
質量分析方法、イオン生成装置及び質量分析システム Download PDFInfo
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- JP5873443B2 JP5873443B2 JP2012550927A JP2012550927A JP5873443B2 JP 5873443 B2 JP5873443 B2 JP 5873443B2 JP 2012550927 A JP2012550927 A JP 2012550927A JP 2012550927 A JP2012550927 A JP 2012550927A JP 5873443 B2 JP5873443 B2 JP 5873443B2
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- 238000004949 mass spectrometry Methods 0.000 title claims description 33
- 238000000034 method Methods 0.000 title claims description 33
- 238000010438 heat treatment Methods 0.000 claims description 111
- 150000002500 ions Chemical class 0.000 claims description 71
- 238000000375 direct analysis in real time Methods 0.000 claims description 25
- 238000004458 analytical method Methods 0.000 claims description 12
- 238000012063 dual-affinity re-targeting Methods 0.000 claims 4
- 239000007789 gas Substances 0.000 description 27
- 239000002202 Polyethylene glycol Substances 0.000 description 19
- 229920001223 polyethylene glycol Polymers 0.000 description 19
- 150000001875 compounds Chemical class 0.000 description 16
- 229920000642 polymer Polymers 0.000 description 15
- 230000005281 excited state Effects 0.000 description 11
- 239000000919 ceramic Substances 0.000 description 10
- -1 polypropylene Polymers 0.000 description 10
- 239000001307 helium Substances 0.000 description 8
- 229910052734 helium Inorganic materials 0.000 description 8
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 8
- 238000001819 mass spectrum Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 229920000092 linear low density polyethylene Polymers 0.000 description 6
- 239000004707 linear low-density polyethylene Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000005979 thermal decomposition reaction Methods 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 229920001155 polypropylene Polymers 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910052715 tantalum Inorganic materials 0.000 description 4
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 4
- 230000001678 irradiating effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910001120 nichrome Inorganic materials 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 239000010955 niobium Substances 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000003870 refractory metal Substances 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000752 ionisation method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/02—Details
- H01J49/10—Ion sources; Ion guns
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/0027—Methods for using particle spectrometers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/02—Details
- H01J49/04—Arrangements for introducing or extracting samples to be analysed, e.g. vacuum locks; Arrangements for external adjustment of electron- or ion-optical components
- H01J49/0404—Capillaries used for transferring samples or ions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/02—Details
- H01J49/04—Arrangements for introducing or extracting samples to be analysed, e.g. vacuum locks; Arrangements for external adjustment of electron- or ion-optical components
- H01J49/0468—Arrangements for introducing or extracting samples to be analysed, e.g. vacuum locks; Arrangements for external adjustment of electron- or ion-optical components with means for heating or cooling the sample
- H01J49/049—Arrangements for introducing or extracting samples to be analysed, e.g. vacuum locks; Arrangements for external adjustment of electron- or ion-optical components with means for heating or cooling the sample with means for applying heat to desorb the sample; Evaporation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/02—Details
- H01J49/10—Ion sources; Ion guns
- H01J49/14—Ion sources; Ion guns using particle bombardment, e.g. ionisation chambers
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Electron Tubes For Measurement (AREA)
Description
H2O+*+H2O→H3O++OH*
H3O++nH2O→[(H2O)nH]+
[(H2O)nH]++M→MH++nH2O
しかしながら、高分子化合物を分析することが困難であるという問題がある。
試料Sとして、直鎖状低密度ポリエチレンを耐熱ガラス製のポット11に入れた後、ポット11をポット保持部材12に保持した。
試料Sとして、ポリプロピレンを用いた以外は、実施例1と同様にして、質量分析した。
平均分子量が1000のポリエチレングリコールの1mg/mLメタノール溶液に抵抗発熱線41aを浸し、試料Sとして、ポリエチレングリコールを抵抗発熱線41aに付着させた。
平均分子量が1000のポリエチレングリコールの1mg/mLメタノール溶液に抵抗発熱線41aを浸し、試料Sとして、ポリエチレングリコールを抵抗発熱線41aに付着させた。
11 ポット
11a 抵抗発熱線
12 ポット保持部材
12a 抵抗発熱線
13 断熱部材
20 DARTイオン源
30 質量分析計
31 イオン導入管
41 抵抗発熱線支持部材
41a 抵抗発熱線
S 試料
Claims (11)
- 電圧印加手段を用いて抵抗発熱線に電圧を印加することにより、試料を加熱してガスを発生させ、DARTを用いて、該ガスから生成したイオンを質量分析計に導入して質量分析することを特徴とする質量分析方法。
- 前記試料を前記抵抗発熱線が巻き付けられているポットに入れ、
前記電圧印加手段を用いて前記抵抗発熱線に電圧を印加することにより、前記試料を加熱することを特徴とする請求項1に記載の質量分析方法。 - 前記試料を前記抵抗発熱線に付着させ、
前記電圧印加手段を用いて前記抵抗発熱線に電圧を印加することにより、前記試料を加熱することを特徴とする請求項1に記載の質量分析方法。 - 電圧印加手段を用いて抵抗発熱線に電圧を印加することにより、試料を加熱すると共に、DARTを用いて、該試料から生成したイオンを質量分析計に導入して質量分析することを特徴とする質量分析方法。
- 前記試料を前記抵抗発熱線に付着させ、
前記電圧印加手段を用いて前記抵抗発熱線に電圧を印加することにより、前記試料を加熱することを特徴とする請求項4に記載の質量分析方法。 - 試料を加熱して発生したガスからイオンを生成させるイオン生成装置であって、
電圧印加手段と抵抗発熱線を備え、該電圧印加手段を用いて該抵抗発熱線に電圧を印加することにより、前記試料を加熱してガスを発生させる加熱手段と、
該ガスからイオンを生成させるDARTイオン源と、を有することを特徴とするイオン生成装置。 - 前記加熱手段は、前記試料を入れるポットを有し、
前記ポットは、前記電圧印加手段から前記電圧が印加される前記抵抗発熱線が巻き付けられていることを特徴とする請求項6に記載のイオン生成装置。 - 前記加熱手段において、前記電圧印加手段から前記電圧が印加される前記抵抗発熱線に、前記試料を付着させることを特徴とする請求項6に記載のイオン生成装置。
- 試料を加熱してイオンを生成させるイオン生成装置であって、
電圧印加手段と抵抗発熱線を備え、該電圧印加手段を用いて該抵抗発熱線に電圧を印加することにより、前記試料を加熱する加熱手段と、
該試料からイオンを生成させるDARTイオン源と、を有することを特徴とするイオン生成装置。 - 前記加熱手段において、前記電圧印加手段から前記電圧が印加される前記抵抗発熱線に、前記試料を付着させることを特徴とする請求項9に記載のイオン生成装置。
- 請求項6乃至10のいずれか一項に記載のイオン生成装置と、質量分析計を有することを特徴とする質量分析システム。
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JP2012550927A JP5873443B2 (ja) | 2010-12-27 | 2011-12-26 | 質量分析方法、イオン生成装置及び質量分析システム |
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JP2010290744 | 2010-12-27 | ||
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PCT/JP2011/080025 WO2012090915A1 (ja) | 2010-12-27 | 2011-12-26 | 質量分析方法、イオン生成装置及び質量分析システム |
JP2012550927A JP5873443B2 (ja) | 2010-12-27 | 2011-12-26 | 質量分析方法、イオン生成装置及び質量分析システム |
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EP (1) | EP2660849B1 (ja) |
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US8207497B2 (en) | 2009-05-08 | 2012-06-26 | Ionsense, Inc. | Sampling of confined spaces |
US8822949B2 (en) | 2011-02-05 | 2014-09-02 | Ionsense Inc. | Apparatus and method for thermal assisted desorption ionization systems |
JP6253893B2 (ja) | 2013-04-16 | 2017-12-27 | 株式会社 資生堂 | 質量分析方法、イオン生成装置及び質量分析システム |
JP6259605B2 (ja) * | 2013-08-06 | 2018-01-10 | 株式会社 資生堂 | 質量分析方法、イオン生成装置及び質量分析システム |
JP5787457B1 (ja) | 2014-02-04 | 2015-09-30 | 株式会社バイオクロマト | 質量分析装置用連結デバイス |
US9337007B2 (en) | 2014-06-15 | 2016-05-10 | Ionsense, Inc. | Apparatus and method for generating chemical signatures using differential desorption |
US9875884B2 (en) * | 2015-02-28 | 2018-01-23 | Agilent Technologies, Inc. | Ambient desorption, ionization, and excitation for spectrometry |
US9899196B1 (en) | 2016-01-12 | 2018-02-20 | Jeol Usa, Inc. | Dopant-assisted direct analysis in real time mass spectrometry |
US10636640B2 (en) | 2017-07-06 | 2020-04-28 | Ionsense, Inc. | Apparatus and method for chemical phase sampling analysis |
US10825673B2 (en) | 2018-06-01 | 2020-11-03 | Ionsense Inc. | Apparatus and method for reducing matrix effects |
EP4052278A4 (en) | 2019-10-28 | 2023-11-22 | Ionsense, Inc. | PULSATORY FLOW ATMOSPHERIC REAL-TIME IONIZATION |
US11913861B2 (en) | 2020-05-26 | 2024-02-27 | Bruker Scientific Llc | Electrostatic loading of powder samples for ionization |
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- 2011-12-26 US US13/997,707 patent/US8927926B2/en active Active
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JP2004301749A (ja) * | 2003-03-31 | 2004-10-28 | Hitachi Ltd | 特定薬物の探知方法及び探知装置 |
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US8927926B2 (en) | 2015-01-06 |
EP2660849B1 (en) | 2019-07-24 |
EP2660849A4 (en) | 2017-05-03 |
US20130299692A1 (en) | 2013-11-14 |
JPWO2012090915A1 (ja) | 2014-06-05 |
EP2660849A1 (en) | 2013-11-06 |
WO2012090915A1 (ja) | 2012-07-05 |
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |