EP1284008A2 - Probenträger für massenspektrometer - Google Patents
Probenträger für massenspektrometerInfo
- Publication number
- EP1284008A2 EP1284008A2 EP01949232A EP01949232A EP1284008A2 EP 1284008 A2 EP1284008 A2 EP 1284008A2 EP 01949232 A EP01949232 A EP 01949232A EP 01949232 A EP01949232 A EP 01949232A EP 1284008 A2 EP1284008 A2 EP 1284008A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- biological samples
- sample
- sample carrier
- carrier according
- conductive material
- 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.)
- Granted
Links
- 238000001840 matrix-assisted laser desorption--ionisation time-of-flight mass spectrometry Methods 0.000 claims abstract description 16
- 239000011521 glass Substances 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- 238000004458 analytical method Methods 0.000 claims abstract description 6
- 239000000523 sample Substances 0.000 claims description 54
- 239000012472 biological sample Substances 0.000 claims description 26
- 239000000969 carrier Substances 0.000 claims description 16
- 239000012811 non-conductive material Substances 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 6
- 108091034117 Oligonucleotide Proteins 0.000 claims description 5
- JLCPHMBAVCMARE-UHFFFAOYSA-N [3-[[3-[[3-[[3-[[3-[[3-[[3-[[3-[[3-[[3-[[3-[[5-(2-amino-6-oxo-1H-purin-9-yl)-3-[[3-[[3-[[3-[[3-[[3-[[5-(2-amino-6-oxo-1H-purin-9-yl)-3-[[5-(2-amino-6-oxo-1H-purin-9-yl)-3-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(4-amino-2-oxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(4-amino-2-oxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(4-amino-2-oxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(4-amino-2-oxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(4-amino-2-oxopyrimidin-1-yl)oxolan-2-yl]methyl [5-(6-aminopurin-9-yl)-2-(hydroxymethyl)oxolan-3-yl] hydrogen phosphate Polymers Cc1cn(C2CC(OP(O)(=O)OCC3OC(CC3OP(O)(=O)OCC3OC(CC3O)n3cnc4c3nc(N)[nH]c4=O)n3cnc4c3nc(N)[nH]c4=O)C(COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3CO)n3cnc4c(N)ncnc34)n3ccc(N)nc3=O)n3cnc4c(N)ncnc34)n3ccc(N)nc3=O)n3ccc(N)nc3=O)n3ccc(N)nc3=O)n3cnc4c(N)ncnc34)n3cnc4c(N)ncnc34)n3cc(C)c(=O)[nH]c3=O)n3cc(C)c(=O)[nH]c3=O)n3ccc(N)nc3=O)n3cc(C)c(=O)[nH]c3=O)n3cnc4c3nc(N)[nH]c4=O)n3cnc4c(N)ncnc34)n3cnc4c(N)ncnc34)n3cnc4c(N)ncnc34)n3cnc4c(N)ncnc34)O2)c(=O)[nH]c1=O JLCPHMBAVCMARE-UHFFFAOYSA-N 0.000 claims description 5
- 230000007067 DNA methylation Effects 0.000 claims description 3
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 102000054765 polymorphisms of proteins Human genes 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000012634 fragment Substances 0.000 claims description 2
- 238000003491 array Methods 0.000 abstract description 2
- 238000000018 DNA microarray Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000816 matrix-assisted laser desorption--ionisation Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid 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
- OMFRMAHOUUJSGP-IRHGGOMRSA-N bifenthrin Chemical compound C1=CC=C(C=2C=CC=CC=2)C(C)=C1COC(=O)[C@@H]1[C@H](\C=C(/Cl)C(F)(F)F)C1(C)C OMFRMAHOUUJSGP-IRHGGOMRSA-N 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000386 microscopy Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- 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
Definitions
- the present invention describes' a sample holder for the mass spectrometer, especially for MALDI-TOF mass spectrometer.
- MALDI-TOF Matrix-assisted laser desorption / ionization time-of-flight mass spectrometry
- sample carriers are known in the prior art which are also suitable for MALDI-TOF mass spectrometry.
- US-A 4,384,193 describes a specimen slide device which is suitable for holding specimen slides and is used for incubating samples.
- MALDI-TOF mass spectrometry was not known at the time of publication of this publication.
- EP-A 0964427 describes holders for MALDI-TOF mass spectrometry in general.
- the supports for the analytes must always be made conductive. From DE-A 19712195 and ÜS-A 5770860 it is known that microtiter plates can also be used for MALDI-TOF mass spectrometry.
- sample carriers for MALDI-TOF mass spectrometry can also be made from hydrophobic material, but that care must always be taken to ensure that the surface becomes electrically conductive (for example through the incorporation of graphite).
- the metal sample carriers usually used for MALDI-TOF mass spectrometry which are designed for individual samples, often 26 or 100 samples or recently also for 384 samples, are usually of such a nature that the sample together with a matrix, usually an organic see acid, is applied directly to its position on the sample holder. They are essentially flat metal plates.
- the sample carriers with 384 sample positions recently sold by Bruker correspond in their grid and their dimensions to a microtiter plate. These sample carriers are not suitable for the direct use of biochips (oligomer arrays) in the mass spectrometer, since immobilization of oligonucleotides is required, which is only possible with considerable effort on a sample carrier.
- Specimen carriers used for immobilization on a surface have a metallic, glass-coated or chemically modified surface (WO 99/29898).
- the disadvantage of these surfaces is that the coating for highly sensitive analytics is not particularly uniform. Furthermore, the coating is usually either very labor-intensive and / or cost-intensive.
- Metal supports with a glass coating are known, but are more used to create a particularly smooth surface in order to solve critical calibration problems.
- biochips are often used in slide format.
- a few chemical modification steps are sufficient to activate the glass surface of a conventional slide, as is also used for microscopy, so that preferably a covalent chemical bond to applied probe oligonucleotides is possible, which lie in a predetermined grid on the surface of the slide ,
- the technical problem underlying the present invention was therefore that there is no technological compatibility in terms of material and shape for the use of biochips in the mass spectrometer.
- the object of the present invention is to provide a sample carrier which overcomes the disadvantages of the prior art.
- the invention relates to a sample carrier, which
- the object of the invention is achieved in that a sample carrier for mass spectrometers, in particular for MALDI-TOF mass spectrometers, consisting of metal or another conductive material is created, which is characterized in that this sample carrier has at least one recess for receiving carriers for biological samples having.
- the dimensions of the recesses correspond to commercially available specimen slides. It is particularly preferred that the dimensions are between 75 and 130 mm in length, between 25 and 100 mm in width and between 2 and 20 mm in height.
- a sample carrier according to the invention is preferred, at least one carrier for biological samples being attached to it. is arranged. It is preferred that the slides for biological samples correspond to commercially available slides. Furthermore, it is preferred that the dimensions of the carrier for biological samples 72-78 mm in length, 22 to '28 mm in width and 0.5 to 2 mm are located in the height. It is also preferred that the support for biological samples consists of metal.
- the support for biological samples consists of a non-conductive material and / or glass.
- DNA fragments or oligonucleotides in a rectangular or hexagonal pattern are applied to the support for biological samples.
- the attachment between the sample holder and the holder for biological samples is carried out by means of double-sided adhesive tape, screws, springs, snap locks, wire clips and / or rails.
- sample carrier according to the invention corresponds in format to a microtiter plate.
- a sample carrier with dimensions of approximately 123 mm ⁇ 82 mm ⁇ 9.5 mm is particularly preferred.
- Another object of the present invention is the use of a sample carrier according to one of the preceding claims for the analysis of polymorphisms and / or DNA methylation in DNA samples.
- the present invention thus describes a sample carrier for MALDI mass spectrometers.
- This sample holder consists of an electrically conductive material, preferred wise steel or aluminum.
- the invention is also based on the surprising finding that conventional specimen slides can be introduced into such a mass spectrometer without the lack of conductivity of the glass slide being significantly detrimental to the measurement result.
- the samples are on the plates that can be inserted in the sample holder.
- sample carriers on which supports for biological samples are applied or fastened which consist of non-metallic and / or non-conductive materials.
- Carriers for biological samples made of glass are very particularly preferred.
- a sample holder for a MALDI-TOF spectrometer preferably made of metal, which has cutouts for holding 1-5 plates, the dimensions of which preferably correspond to commercially available object holders.
- the dimensions of the sample carrier are preferably between 75 and 130 mm in length, between 25 and 100 mm in width and between 2 and 20 mm in height.
- the dimensions of the plates, which can be made of glass, silicon or metal, are particularly preferably 72-78 mm ⁇ 22-28 mm ⁇ 0.5-2 mm. This corresponds to the dimensions of commercial slides, the exact dimensions of which are variable even in international comparison.
- the plates are attached to the sample carrier with double-sided adhesive tape.
- fastening is carried out using screws, springs, snap locks, wire clips or rails.
- the sample carrier according to the invention thus combines the area of sample production and that of measuring the samples in an incredibly simple manner.
- the subject of the present invention and a particularly preferred embodiment is a sample carrier according to the invention for mass spectrometers, in particular for MALDI-TOF mass spectrometers, consisting of metal or another conductive material, this sample carrier having at least one recess for receiving carriers for biological samples and at least one arranged thereon
- This sample carrier having at least one recess for receiving carriers for biological samples and at least one arranged thereon
- Has supports for biological samples characterized in that the supports for biological samples consist of non-conductive material and / or glass. It is further preferred that the supports for biological samples consist of non-conductive material and / or glass
- the sample carrier is preferably used for the analysis of polymorphisms and / or DNA methylation in DNA samples.
- FIG. 1 shows a preferred embodiment of the sample holder according to the invention.
- the sample carrier P according to the invention made of metal or another conductive material for the MALDI-TOF device (BIFLEX III BT 1903, Bruker Analytical Systems) can preferably be loaded with 1 to 3 glass carriers G. These have a size of 76 mm x 25 mm x 1 mm.
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Electron Tubes For Measurement (AREA)
- Sampling And Sample Adjustment (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10027120 | 2000-05-23 | ||
| DE10027120A DE10027120A1 (de) | 2000-05-23 | 2000-05-23 | Probenträger für Massenspektrometer |
| PCT/DE2001/002079 WO2001091154A2 (de) | 2000-05-23 | 2001-05-23 | Probenträger für massenspektrometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1284008A2 true EP1284008A2 (de) | 2003-02-19 |
| EP1284008B1 EP1284008B1 (de) | 2004-04-14 |
Family
ID=7644308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01949232A Expired - Lifetime EP1284008B1 (de) | 2000-05-23 | 2001-05-23 | Probenträger für massenspektrometer |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6888131B2 (de) |
| EP (1) | EP1284008B1 (de) |
| JP (1) | JP2003534634A (de) |
| AT (1) | ATE264545T1 (de) |
| AU (1) | AU2001270461A1 (de) |
| CA (1) | CA2409840A1 (de) |
| DE (2) | DE10027120A1 (de) |
| WO (1) | WO2001091154A2 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10027120A1 (de) * | 2000-05-23 | 2001-12-06 | Epigenomics Ag | Probenträger für Massenspektrometer |
| DE10112387B4 (de) * | 2001-03-15 | 2004-03-25 | Bruker Daltonik Gmbh | Massenspektrometrische Genotypisierung |
| US6825478B1 (en) * | 2003-10-10 | 2004-11-30 | Perseptive Biosystems, Inc. | MALDI plate with removable magnetic insert |
| GB2427916B (en) * | 2004-01-13 | 2008-08-06 | Waters Investments Ltd | Substrate adapter for use in mass spectroscopy analysis |
| JP2007108015A (ja) * | 2005-10-13 | 2007-04-26 | Biologica:Kk | 分析用の保持体及びその利用 |
| JP5020742B2 (ja) * | 2007-08-27 | 2012-09-05 | 日本電子株式会社 | Maldiイオン源を備えた質量分析装置およびmaldiイオン源用サンプルプレート |
| WO2010095677A1 (ja) * | 2009-02-18 | 2010-08-26 | 日本電気株式会社 | ターゲットプレートおよびその製造方法 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3096435A (en) * | 1960-12-09 | 1963-07-02 | Combustion Eng | Ion generating and focusing mechanism |
| US3886358A (en) * | 1974-05-23 | 1975-05-27 | Us Energy | Specimen transfer container for ion microprobe mass analyzer |
| US4384193A (en) * | 1981-06-09 | 1983-05-17 | Immulok, Inc. | Incubating device for specimen mounted on glass slides in immunoassays |
| GB2156073A (en) * | 1984-03-15 | 1985-10-02 | Prutec Ltd | Mass spectrometer sample introduction system |
| FR2585835B1 (fr) * | 1985-07-30 | 1988-07-22 | Univ Pasteur | Dispositif d'introduction directe automatique d'echantillons dans un spectrometre de masse, et procede mis en oeuvre par ce dispositif |
| US5605798A (en) * | 1993-01-07 | 1997-02-25 | Sequenom, Inc. | DNA diagnostic based on mass spectrometry |
| US5498545A (en) * | 1994-07-21 | 1996-03-12 | Vestal; Marvin L. | Mass spectrometer system and method for matrix-assisted laser desorption measurements |
| KR19990064358A (ko) * | 1995-10-18 | 1999-07-26 | 다윈 몰레큘러 코포레이션 | 하이브리드화용 고체 지지체의 제조 방법 및 비-특이적 배경의 감소 방법 |
| DE19628178C1 (de) * | 1996-07-12 | 1997-09-18 | Bruker Franzen Analytik Gmbh | Verfahren zum Beladen von Probenträgern für Massenspektrometer |
| DE19712195B4 (de) * | 1997-03-22 | 2007-12-27 | Friedrich-Schiller-Universität Jena | Verfahren und Vorrichtung zur Bereitstellung von Proben für den off-line Nachweis von Analyten nach der MALDI-Massenspektrometrie |
| US6175112B1 (en) * | 1998-05-22 | 2001-01-16 | Northeastern University | On-line liquid sample deposition interface for matrix assisted laser desorption ionization-time of flight (MALDI-TOF) mass spectroscopy |
| EP0991930B1 (de) | 1997-06-26 | 2004-06-16 | Perseptive Biosystems, Inc. | Probenträger hoher dichte für die analyse biologischer proben |
| DK1036202T3 (da) * | 1997-12-05 | 2002-08-12 | Max Planck Gesellschaft | Fremgangsmåde til identifikation af nucleinsyrer ved matriksassisteret laserdesorptions/ionisationsmassespektrometri |
| US6849847B1 (en) * | 1998-06-12 | 2005-02-01 | Agilent Technologies, Inc. | Ambient pressure matrix-assisted laser desorption ionization (MALDI) apparatus and method of analysis |
| DE19834070B4 (de) * | 1998-07-29 | 2007-02-15 | Bruker Daltonik Gmbh | Ionisierung hochmolekularer Substanzen durch Laserdesorption aus flüssigen Matrices |
| EP1181705A2 (de) * | 1999-04-29 | 2002-02-27 | Ciphergen Biosystems, Inc. | Probenhalter mit hydrophobem überzug für ein gasphasen-massenspektrometer |
| AU2001263285A1 (en) * | 2000-05-19 | 2001-12-03 | Imago Scientific Instruments | Methods of sampling specimens for microanalysis |
| DE10027120A1 (de) * | 2000-05-23 | 2001-12-06 | Epigenomics Ag | Probenträger für Massenspektrometer |
| JP4361271B2 (ja) * | 2000-10-10 | 2009-11-11 | バイオトローブ・インコーポレイテツド | アッセイ、合成、および保存用の器具、ならびに、その作製、使用、および操作の方法 |
-
2000
- 2000-05-23 DE DE10027120A patent/DE10027120A1/de not_active Withdrawn
-
2001
- 2001-05-23 DE DE50101992T patent/DE50101992D1/de not_active Expired - Fee Related
- 2001-05-23 EP EP01949232A patent/EP1284008B1/de not_active Expired - Lifetime
- 2001-05-23 AU AU2001270461A patent/AU2001270461A1/en not_active Abandoned
- 2001-05-23 AT AT01949232T patent/ATE264545T1/de not_active IP Right Cessation
- 2001-05-23 CA CA002409840A patent/CA2409840A1/en not_active Abandoned
- 2001-05-23 JP JP2001587458A patent/JP2003534634A/ja active Pending
- 2001-05-23 US US10/296,490 patent/US6888131B2/en not_active Expired - Fee Related
- 2001-05-23 WO PCT/DE2001/002079 patent/WO2001091154A2/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0191154A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE50101992D1 (de) | 2004-05-19 |
| EP1284008B1 (de) | 2004-04-14 |
| WO2001091154A3 (de) | 2002-08-08 |
| AU2001270461A1 (en) | 2001-12-03 |
| DE10027120A1 (de) | 2001-12-06 |
| WO2001091154A2 (de) | 2001-11-29 |
| ATE264545T1 (de) | 2004-04-15 |
| US20040113066A1 (en) | 2004-06-17 |
| US6888131B2 (en) | 2005-05-03 |
| CA2409840A1 (en) | 2002-11-22 |
| JP2003534634A (ja) | 2003-11-18 |
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