WO2020054462A1 - 生体膜ホスホイノシタイドの分離方法 - Google Patents
生体膜ホスホイノシタイドの分離方法 Download PDFInfo
- Publication number
- WO2020054462A1 WO2020054462A1 PCT/JP2019/034134 JP2019034134W WO2020054462A1 WO 2020054462 A1 WO2020054462 A1 WO 2020054462A1 JP 2019034134 W JP2019034134 W JP 2019034134W WO 2020054462 A1 WO2020054462 A1 WO 2020054462A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- separation
- pips
- types
- biological membrane
- separating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- BQVXNQROYRPCLU-UHFFFAOYSA-N C(C(C1)C2)C1C2C1C=CC=C1 Chemical compound C(C(C1)C2)C1C2C1C=CC=C1 BQVXNQROYRPCLU-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
- B01J20/3204—Inorganic carriers, supports or substrates
-
- 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
- B01D15/26—Selective adsorption, e.g. chromatography characterised by the separation mechanism
- B01D15/40—Selective adsorption, e.g. chromatography characterised by the separation mechanism using supercritical fluid as mobile phase or eluent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/281—Sorbents specially adapted for preparative, analytical or investigative chromatography
- B01J20/282—Porous sorbents
- B01J20/285—Porous sorbents based on polymers
-
- 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
- G01N30/06—Preparation
-
- 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
-
- 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
- G01N30/62—Detectors specially adapted therefor
- G01N30/72—Mass spectrometers
-
- 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
- G01N30/88—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86
- G01N2030/8809—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86 analysis specially adapted for the sample
- G01N2030/8813—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86 analysis specially adapted for the sample biological materials
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
Definitions
- the present invention relates to a method for separating a phosphomembrane phosphoinositide, which is a phospholipid in which the 3,4,5-hydroxyl group of the inositol ring of phosphatidylinositol is phosphorylated.
- PIPs phosphoinositides
- PIPs include PI (3) P, PI (4) P, PI (5) P, There are seven types, PI (3,4) P 2 , PI (3,5) P 2 , PI (4,5) P 2 , and PI (3,4,5) P 3 .
- PI (3) P, PI (4) P, PI (5) P, PI (3,4) P 2 , PI (3,5) P 2 , PI (4, 5) for having three are each isomer same mass of P 2, in order to quantify the seven PIPs individually, need to separate the isomers by chromatography is there.
- PI (3) P, PI (4) P, PI (5) P is regarded as PIP 1 and PI (3,4) P 2 , PI (3) , 5) P 2, PI (4,5) P 2 as PIP 2, quantification of each difference in the type of diacylglycerol (DG) is made. Therefore, quantification for each isomer cannot be performed.
- An object of the present invention is to provide a separation method capable of separating PIPs isomers without deacylating PIPs.
- R 1 in FIG. 4 is a spacer consisting of an alkyl group and a polar group.
- a sample containing a plurality of types of PIPs is injected into an analytical flow path of a supercritical fluid chromatograph having a separation column filled with a separation medium containing ⁇ -cyclodextrin. And a separating step of separating the plurality of types of PIPs from each other by supercritical fluid chromatography.
- the separation method of the present invention is suitable for separating a sample containing a plurality of isomers of PIPs.
- a derivatization step of derivatizing phosphate groups of the plurality of types of PIPs contained in a sample with trimethylsilyl-diazomethane is provided.
- the plurality of PIPs separated by the separation column is derivatized. It is preferable to include a detection step of detecting each type of PIPs by a mass spectrometer. Then, each PIPs containing isomers separated through a separation column filled with a separation medium containing ⁇ -cyclodextrin can be quantitatively analyzed by a mass spectrometer. Individual quantification of different types of PIPs can be realized.
- an aqueous methanolic formate solution can be used as a modifier.
- the method for separating PIPs comprises: injecting a sample containing a plurality of types of PIPs into an analysis channel of a supercritical fluid chromatograph having a separation column filled with a separation medium containing ⁇ -cyclodextrin; Since the method includes a separation step of separating the plurality of types of PIPs from each other by supercritical fluid chromatography, it is possible to separate isomers of PIPs without performing deacylation.
- FIG. 3 is a flow path configuration diagram showing a configuration of a supercritical fluid chromatograph. 4 is a flowchart illustrating an embodiment of a method for separating PIPs.
- FIG. 3 is a diagram for explaining the interaction between PIPs and a separation medium containing ⁇ -cyclodextrin. It is an example of a chromatogram based on the signal of the mass spectrometer obtained by the separation method of the same example.
- the separation method of this example is performed using a supercritical fluid chromatograph (hereinafter, SFC).
- SFC supercritical fluid chromatograph
- the SFC used in this embodiment includes liquid feed pumps 4 and 6 for transmitting carbon dioxide and a modifier in the analysis flow path 2, and a mixing of carbon dioxide and the modifier.
- a sample injecting section 8 for injecting a sample into the analysis channel 2 through which the fluid flows, a separation column 10 for separating the sample injected by the sample injecting section 8, and at least carbon dioxide flowing through the separation column 10
- a back pressure controller (BPR) 12 for controlling the pressure in the analysis flow path 2 to a predetermined pressure so as to be in a critical state, a pump 15 for feeding makeup for highly sensitive detection, and a downstream side of the BPR 12 And a mass spectrometer (MS) 14 provided.
- BPR back pressure controller
- the separation column 10 is housed in a column oven, and is controlled to a fixed temperature.
- the separation column 10 is packed with a separation medium in which a cyclodextrin capable of including an organic substance is bound to a silica carrier.
- a separation medium in which a cyclodextrin capable of including an organic substance is bound to a silica carrier.
- ULTRON AF-HILIC-CD manufactured by Shinwa Kako Co., Ltd. can be used.
- a phosphate group of the PIPs in the sample is derivatized, and each PIP is made detectable by the MS14.
- the derivatization treatment can be performed, for example, by the following procedures (1) to (5).
- a 2 M trimethylsilyl-diazomethanehexane solution is added to a sample solution containing PIPs.
- the sample solution to which the 2M trimethylsilyl-diazomethanehexane solution has been added is left at room temperature for a certain period of time (for example, 10 minutes) to perform a derivatization reaction.
- Glacial acetic acid is added to the sample solution under a nitrogen atmosphere to stop the derivatization reaction.
- methanol containing formic acid or ammonium formate for example, 0.1% formic acid methanol
- Step S1 the sample is injected by the sample injection unit 8 into the SFC analysis channel. 2 (Step S2), and the isomers of PIPs are separated by a separation column 10 packed with a separation medium in which cyclodextrin is bound to a silica carrier (Step S3). Further, the PIPs separated by the separation column 10 are sequentially introduced into the MS 14 and detected (step S4).
- ULTON AF-HILIC-CD inner diameter 4.6 mm, length 250 mm
- the set temperature of the separation column 10 was 4 ° C.
- the flow rate of the mobile phase was 3 mL / min
- the flow rate of the make-up was 0.1 mL / min
- the set pressure of BPR12 was 10 MPa.
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Inorganic Chemistry (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
Description
(1)PIPsを含む試料溶液に2M トリメチルシリル-ジアゾメタンヘキサン溶液を添加する。
(2)2M トリメチルシリル-ジアゾメタンヘキサン溶液の添加された試料溶液を室温で一定時間(例えば10分間)放置し、誘導体化反応を行なう。
(3)窒素雰囲気下で試料溶液に氷酢酸を添加し、誘導体化反応を停止させる。
(4)所定の洗浄液(例えば、クロロホルム:メタノール:水=8:4:3の混合液)を試料溶液に添加して混合した後、遠心分離して下層を回収する。同様の洗浄を複数回繰り返してもよい。最後に試料溶液にメタノール:水=9:1の溶液を添加する。
(5)窒素雰囲気下で試料溶液を乾固する。その後、試料に所定量のメタノールを添加し、超音波で溶解させる。さらに所定量の水を試料に添加する。
4,6,15 送液ポンプ
8 試料注入部
10 分離カラム
12 背圧制御器(BPR)
14 質量分析計(MS)
Claims (5)
- β-シクロデキストリンを含む分離媒体が内部に充填された分離カラムを有する超臨界流体クロマトグラフの分析流路中に複数種類の生体膜ホスホイノシタイドを含む試料を注入し、超臨界流体クロマトグラフィーによって前記複数種類の生体膜ホスホイノシタイドを互いに分離する分離ステップを備える生体膜ホスホイノシタイドの分離方法。
- 前記複数種類の生体膜ホスホイノシタイドが、生体膜ホスホイノシタイドの複数の異性体を含む、請求項1に記載の分離方法。
- 前記複数の異性体が、PI(3)P、PI(4)P、PI(5)P、PI(3,4)P2、PI(3,5)P2、PI(4,5)P2、PI(3,4,5)P3のいずれかである、請求項2に記載の分離方法。
- 前記分離ステップの前に、前記複数種類の生体膜ホスホイノシタイドのリン酸基をトリメチルシリル-ジアゾメタンによって誘導体化する誘導体化ステップを備え、
前記分離ステップの後、前記分離カラムで分離された前記複数種類の生体膜ホスホイノシタイドをそれぞれ質量分析計により検出する検出ステップを備えている、請求項1に記載の分離方法。 - 前記分離ステップでは、ギ酸メタノール水溶液をモディファイアとして用いる、請求項1に記載の分離方法。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020545914A JP7017704B2 (ja) | 2018-09-10 | 2019-08-30 | 生体膜ホスホイノシタイドの分離方法 |
| CN201980046921.2A CN112424596B (zh) | 2018-09-10 | 2019-08-30 | 生物膜磷酸肌醇的分离方法 |
| US17/272,973 US12117426B2 (en) | 2018-09-10 | 2019-08-30 | Biological membrane phosphoinositide separation method |
| AU2019340961A AU2019340961B2 (en) | 2018-09-10 | 2019-08-30 | Biological membrane phosphoinositide separation method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018-168584 | 2018-09-10 | ||
| JP2018168584 | 2018-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2020054462A1 true WO2020054462A1 (ja) | 2020-03-19 |
Family
ID=69778299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2019/034134 Ceased WO2020054462A1 (ja) | 2018-09-10 | 2019-08-30 | 生体膜ホスホイノシタイドの分離方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12117426B2 (ja) |
| JP (1) | JP7017704B2 (ja) |
| CN (1) | CN112424596B (ja) |
| AU (1) | AU2019340961B2 (ja) |
| WO (1) | WO2020054462A1 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102178630B1 (ko) * | 2018-12-20 | 2020-11-13 | 한화토탈 주식회사 | 프로필렌 중합용 고체 촉매 및 이를 이용한 블록 공중합체의 제조방법 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04135457A (ja) * | 1990-09-26 | 1992-05-08 | Tsuji Seiyu Kk | 高濃度のホスファチジルコリンを含むレシチンを採取する方法 |
| JP2015194363A (ja) * | 2014-03-31 | 2015-11-05 | 株式会社島津製作所 | 順相・逆相カラムを備えた超臨界流体クロマトグラフとそれを用いた分析方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2151397C1 (ru) * | 1999-11-22 | 2000-06-20 | Тверская государственная медицинская академия | Способ дифференциальной диагностики доброкачественной гиперплазии и рака предстательной железы |
| US7226624B2 (en) * | 2002-07-24 | 2007-06-05 | Rabinowitz Israel N | Synergistic compositions from yeast-modified aqueous extracts from almond hulls |
| US20040253656A1 (en) * | 2003-06-11 | 2004-12-16 | David Williams | Method for measuring inositol triphosphate |
| WO2012166916A1 (en) * | 2011-06-03 | 2012-12-06 | Waters Technologies Corporation | Method of separation of lipid and biological molecular species using high purity chromatographic materials |
| JP6352047B2 (ja) * | 2014-05-13 | 2018-07-04 | 株式会社島津製作所 | 異なる極性をもつ化合物を含む試料の一斉分析方法 |
| WO2016057924A1 (en) * | 2014-10-10 | 2016-04-14 | Genentech, Inc. | Pyrrolidine amide compounds as histone demethylase inhibitors |
| US20160266129A1 (en) * | 2015-03-11 | 2016-09-15 | Christopher Janetopoulos | Phosphoinositide (4,5) Bisphosphate as a Diagnostic Tool and Target for Cancer Treatment |
| CN111848643A (zh) * | 2015-07-02 | 2020-10-30 | 豪夫迈·罗氏有限公司 | 苯并氧氮杂*噁唑烷酮化合物及其使用方法 |
| CN105021758B (zh) * | 2015-07-27 | 2017-05-10 | 中国科学院生物物理研究所 | 一种基于化学衍生的磷脂分类检测和定量方法 |
| WO2017147049A1 (en) * | 2016-02-22 | 2017-08-31 | The Research Foundation For The State University Of New York | Methods and compositions for substituting membrane lipids in living cells |
| WO2018016645A1 (ja) * | 2016-07-22 | 2018-01-25 | 国立大学法人秋田大学 | 新規リン脂質およびその利用ならびにリン脂質分離測定法の開発 |
| CN107703235B (zh) * | 2017-07-18 | 2020-08-11 | 广东研捷医药科技有限公司 | 一种来那度胺对映异构体超临界流体色谱分离方法 |
-
2019
- 2019-08-30 JP JP2020545914A patent/JP7017704B2/ja active Active
- 2019-08-30 AU AU2019340961A patent/AU2019340961B2/en active Active
- 2019-08-30 WO PCT/JP2019/034134 patent/WO2020054462A1/ja not_active Ceased
- 2019-08-30 CN CN201980046921.2A patent/CN112424596B/zh active Active
- 2019-08-30 US US17/272,973 patent/US12117426B2/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04135457A (ja) * | 1990-09-26 | 1992-05-08 | Tsuji Seiyu Kk | 高濃度のホスファチジルコリンを含むレシチンを採取する方法 |
| JP2015194363A (ja) * | 2014-03-31 | 2015-11-05 | 株式会社島津製作所 | 順相・逆相カラムを備えた超臨界流体クロマトグラフとそれを用いた分析方法 |
Non-Patent Citations (4)
| Title |
|---|
| MATSUBARA, ATSUKI ET AL.: "Potential of supercritical fluid chromatography in metabolomics", THE SOCIETY FOR BIOTECHNOLOGY, vol. 10, 2010, pages 529 - 531, XP055693899, Retrieved from the Internet <URL:https://www.sbj.or.jp/wp-content/uploads/file/sbj/8810_tokushu_5.pdf> [retrieved on 20111105] * |
| NAKANISHI, HIRAKI ET AL.: "Separation and quantification of sn-1 and sn-2 fatty acid positional isomers in phosphatidylcholine by RPLC- ESIMS/MS", THE JOURNAL OF BIOCHEMISTRY, vol. 147, no. 2, February 2010 (2010-02-01), pages 245 - 256, XP055693897 * |
| TAGUCHI, RYO: "Construction of fundamental technology for lipid metabolomics and its application", 2009 FISCAL YEAR ANNUAL RESEARCH REPORT OF JAPAN SCIENCE AND TECHNOLOGY AGENCY CREST, 2009, pages 1 - 9, XP055693904, Retrieved from the Internet <URL:https://www.jst.go.jp/kisoken/crest/report/heisei18/pdf/pdf08/08_1/002.pdf> [retrieved on 20191105] * |
| TAKAHASHI, MASATOMO ET AL.: "Application of supercritical fluid chromatography/mass spectrometry to metabolic profiling", JAPANESE JOURNAL OF PESTICIDE SCIENCE, vol. 41, no. 2, 2016, pages 260 - 266, XP055693900, Retrieved from the Internet <URL:https://www.jstage.jst.go.jp/article/jjpestics/41/2/41_W16-26/_pdf/-char/ja> [retrieved on 20111105] * |
Also Published As
| Publication number | Publication date |
|---|---|
| US12117426B2 (en) | 2024-10-15 |
| US20210310999A1 (en) | 2021-10-07 |
| AU2019340961A1 (en) | 2021-04-01 |
| AU2019340961B2 (en) | 2022-07-14 |
| JP7017704B2 (ja) | 2022-02-09 |
| JPWO2020054462A1 (ja) | 2021-08-30 |
| CN112424596B (zh) | 2023-07-18 |
| CN112424596A (zh) | 2021-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Webber et al. | Label-free profiling of up to 200 single-cell proteomes per day using a dual-column nanoflow liquid chromatography platform | |
| Boutin et al. | Tandem mass spectrometry multiplex analysis of glucosylceramide and galactosylceramide isoforms in brain tissues at different stages of Parkinson disease | |
| Yao et al. | Label-free mass cytometry for unveiling cellular metabolic heterogeneity | |
| Kristoff et al. | Challenging bioanalyses with capillary electrophoresis | |
| Gerbasi et al. | Deeper protein identification using field asymmetric ion mobility spectrometry in top-down proteomics | |
| Roberg-Larsen et al. | Highly automated nano-LC/MS-based approach for thousand cell-scale quantification of side chain-hydroxylated oxysterols [S] | |
| CN102484030B (zh) | 在质谱分析中的功能检查和偏差补偿 | |
| Hu et al. | LC–MS/MS of permethylated N‐glycans derived from model and human blood serum glycoproteins | |
| Sun et al. | Enzymatic tagging of glycoproteins on the cell surface for their global and site-specific analysis with mass spectrometry | |
| Xu et al. | Simultaneously identifying and distinguishing glycoproteins with O-GlcNAc and O-GalNAc (the Tn antigen) in human cancer cells | |
| Madunić et al. | Dopant-enriched nitrogen gas for enhanced electrospray ionization of released glycans in negative ion mode | |
| CN105431733A (zh) | 用于检测硫酸化寡糖的分析方法 | |
| Yan et al. | Chromatographic methods for the analysis of oligosaccharides in human milk | |
| Mairinger et al. | Selective and accurate quantification of N-acetylglucosamine in biotechnological cell samples via GC–MS/MS and GC–TOFMS | |
| Vásconez et al. | Comparison of capillary electrophoresis and zwitterionic-hydrophilic interaction capillary liquid chromatography with ultraviolet and mass spectrometry detection for the analysis of microRNA biomarkers | |
| Zhang et al. | Investigation of chondroitin sulfate D and chondroitin sulfate E as novel chiral selectors in capillary electrophoresis. | |
| Kok et al. | A novel and sensitive method for the analysis of fatty acid biosignatures by capillary electrophoresis-mass spectrometry | |
| Huang et al. | Spray-capillary: an electrospray-assisted device for quantitative ultralow-volume sample handling | |
| Hartner et al. | On-line coupling of chip-electrochromatography and ion mobility spectrometry | |
| Schmid et al. | Investigation of photochemical reactions of saccharides during direct ultraviolet absorbance detection in capillary electrophoresis | |
| JP7017704B2 (ja) | 生体膜ホスホイノシタイドの分離方法 | |
| Chen et al. | Dual electrolytic eluent generation for oligosaccharides analysis using high-performance anion-exchange chromatography | |
| Huang et al. | Comparison of the formation of peppery and woody sesquiterpenes derived from α-guaiene and α-bulnesene under aerial oxidative conditions | |
| Fanali et al. | Potentiality of miniaturized techniques for the analysis of drugs of abuse | |
| Montero et al. | Multi-2D LC× LC as a novel and powerful implement for the maximum separation of complex samples |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 19860713 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 2020545914 Country of ref document: JP Kind code of ref document: A |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| ENP | Entry into the national phase |
Ref document number: 2019340961 Country of ref document: AU Date of ref document: 20190830 Kind code of ref document: A |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 19860713 Country of ref document: EP Kind code of ref document: A1 |