JP4588727B2 - クロマトグラフィ用カラム - Google Patents
クロマトグラフィ用カラム Download PDFInfo
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- JP4588727B2 JP4588727B2 JP2007034790A JP2007034790A JP4588727B2 JP 4588727 B2 JP4588727 B2 JP 4588727B2 JP 2007034790 A JP2007034790 A JP 2007034790A JP 2007034790 A JP2007034790 A JP 2007034790A JP 4588727 B2 JP4588727 B2 JP 4588727B2
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- Prior art keywords
- mobile phase
- sample
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-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/26—Conditioning of the fluid carrier; Flow patterns
- G01N30/28—Control of physical parameters of the fluid carrier
- G01N30/34—Control of physical parameters of the fluid carrier of fluid composition, e.g. gradient
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
- B01D15/16—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the conditioning of the fluid carrier
- B01D15/166—Fluid composition conditioning, e.g. gradient
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
- B01D15/22—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the construction of the column
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/26—Conditioning of the fluid carrier; Flow patterns
- G01N30/28—Control of physical parameters of the fluid carrier
- G01N30/34—Control of physical parameters of the fluid carrier of fluid composition, e.g. gradient
- G01N2030/347—Control of physical parameters of the fluid carrier of fluid composition, e.g. gradient mixers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/16—Injection
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Description
実施例1:標準のクロマトグラフ法を使用して注入負荷を増大させたことによる分離品質の変化
サンプル溶媒としてジメチルスルホキシド(DMSO)を使用して、ジフェンヒドラミン、オキシブチニン、およびターフェナジンを各成分につきミリリットル当たり20ミリグラムの濃度で組み合わせることによりサンプル混合物を調製する。図1に示す標準のクロマトグラフィ用システムを使用してサンプルを分離するが、この場合カラム13は、従来デザインの内径19mm×長さ30mmのカラムに直列に接続された、従来デザインの内径19mm×長さ10mmの保護カラムからなる。クロマトグラフィ用カラムには、標準の逆相C18収着剤(WatersのXTerra MS−C18、5ミクロン粒子)が充填されている。開始時には移動相組成がアセトニトリル5%/水95%であってpH10の重炭酸アンモニウム緩衝液を含有するものと共に、また終了時には移動相の組成がアセトニトリル90%/水10%であってpH10の重炭酸アンモニウム緩衝液を含有するものと共に、線形勾配溶離プロフィルを使用する。時間に対する移動相組成プロフィルを以下の表1に示す。流量を、1分当たり30ミリリットルに設定し、従来デザインの紫外線検出器を使用して、カラム溶離液をモニタする。
図2に示すようにクロマトグラフィ用システムを使用するが、カラム25と検出器26は実施例1で述べたものと同一である。取付け具24(図3に示す)は、カラム25の前に配置する。線形勾配溶離プロフィルは、1分当たり28.5ミリリットルの流量で勾配ポンプ21から送出される。負荷ポンプ22を1分当たり1.5ミリリットルの流量に設定し、第1の実施例と同様に、組み合わせた後の全流量を1分当たり30ミリリットルにする。時間に対する勾配組成を表1に示す。実施例1と同じ勾配組成を使用するが、この勾配に初期延期を付加することによって、負荷ポンプ22から導入する溶媒をインジェクタ23を介してポンピングすることが可能になり、それによって、勾配開始前にカラムにサンプルを完全に移送することが確実になる。実施例1で使用したものと同じサンプル混合物をシステムに注入する。
図5に示すようにクロマトグラフィ用システムを配置する。図5の構成は、例示的な実施形態の移動相希釈スキームを設けるために保護カラム55が一体的な二重入口設計(図4に示す)を含むこと以外は、図2で使用したものと同一である。この二重入口設計は、実施例2の取付け具24の代わりに使用される。サンプル組成、勾配溶離プロフィル、および全ての移動相流量は、実施例2で使用したものと同一である。
Claims (4)
- クロマトグラフィ用収着床と、
収着床の上流にある共通の入口流路と、
共通の入口流路に接続するように構成された第1の入口流体接続ポートと、
共通の入口流路に接続するように構成された第2の入口流体接続ポートと
を含み、
共通の入口流路が、第1の入口流体接続ポートからの第1の移動相と第2の入口流体接続ポートからの第2の移動相とを混合して1つに組み合わせられた移動相を形成するための流体混合要素を含む、クロマトグラフィ用カラム。 - 1つに組み合わせられた移動相が、共通の入口流路を通して収着床に導入される、請求項1に記載のクロマトグラフィ用カラム。
- 第1の入口流体接続ポートが、カラムと流体ポンプとを接続するための接続機構を含む、請求項1に記載のクロマトグラフィ用カラム。
- 第2の入口流体接続ポートが、カラムと流体ポンプとを接続するための接続機構を含む、請求項1に記載のクロマトグラフィ用カラム。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US25243600P | 2000-11-21 | 2000-11-21 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002551580A Division JP4291569B2 (ja) | 2000-11-21 | 2001-11-21 | 強化型クロマトグラフィ用移動相希釈スキーム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007155748A JP2007155748A (ja) | 2007-06-21 |
JP4588727B2 true JP4588727B2 (ja) | 2010-12-01 |
Family
ID=22955993
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002551580A Expired - Fee Related JP4291569B2 (ja) | 2000-11-21 | 2001-11-21 | 強化型クロマトグラフィ用移動相希釈スキーム |
JP2007034790A Expired - Fee Related JP4588727B2 (ja) | 2000-11-21 | 2007-02-15 | クロマトグラフィ用カラム |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002551580A Expired - Fee Related JP4291569B2 (ja) | 2000-11-21 | 2001-11-21 | 強化型クロマトグラフィ用移動相希釈スキーム |
Country Status (5)
Country | Link |
---|---|
US (4) | US20020117447A1 (ja) |
EP (2) | EP1352235B1 (ja) |
JP (2) | JP4291569B2 (ja) |
AU (1) | AU2002243220A1 (ja) |
WO (1) | WO2002050531A2 (ja) |
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JP5272135B2 (ja) * | 2008-11-05 | 2013-08-28 | 東京理化器械株式会社 | 反応装置及び反応装置用整流板 |
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US20150298025A1 (en) * | 2014-04-17 | 2015-10-22 | Munson Technology LLC | Focused sample delivery and eluent selection for chromatography |
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US10478749B2 (en) | 2014-05-29 | 2019-11-19 | Agilent Technologies, Inc. | Apparatus and method for introducing a sample into a separation unit of a chromatography system |
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2001
- 2001-11-21 AU AU2002243220A patent/AU2002243220A1/en not_active Abandoned
- 2001-11-21 EP EP01989100.1A patent/EP1352235B1/en not_active Expired - Lifetime
- 2001-11-21 EP EP11001425A patent/EP2322919A1/en not_active Withdrawn
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Also Published As
Publication number | Publication date |
---|---|
WO2002050531A9 (en) | 2002-12-19 |
JP2007155748A (ja) | 2007-06-21 |
WO2002050531A2 (en) | 2002-06-27 |
US7875175B2 (en) | 2011-01-25 |
US7909994B2 (en) | 2011-03-22 |
EP1352235A2 (en) | 2003-10-15 |
EP2322919A1 (en) | 2011-05-18 |
US6790361B2 (en) | 2004-09-14 |
JP2004516474A (ja) | 2004-06-03 |
US20080264848A1 (en) | 2008-10-30 |
US20040035789A1 (en) | 2004-02-26 |
AU2002243220A1 (en) | 2002-07-01 |
US20020117447A1 (en) | 2002-08-29 |
EP1352235B1 (en) | 2013-05-08 |
JP4291569B2 (ja) | 2009-07-08 |
US20100176043A1 (en) | 2010-07-15 |
WO2002050531A3 (en) | 2003-03-06 |
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