EP1313562A1 - Multiwell filtrationsplatte und verfahren zu ihrer herstellung - Google Patents
Multiwell filtrationsplatte und verfahren zu ihrer herstellungInfo
- Publication number
- EP1313562A1 EP1313562A1 EP01964906A EP01964906A EP1313562A1 EP 1313562 A1 EP1313562 A1 EP 1313562A1 EP 01964906 A EP01964906 A EP 01964906A EP 01964906 A EP01964906 A EP 01964906A EP 1313562 A1 EP1313562 A1 EP 1313562A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- outlet
- filtration plate
- plate according
- multiwell
- multiwell filtration
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5025—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures for parallel transport of multiple samples
- B01L3/50255—Multi-well filtration
Definitions
- the invention relates to a new multiwell filtration plate, preferably in 96-well or in 384-well format, consisting of two individual parts which are firmly and tightly connected to one another.
- the first part represents a sample receiving part with filter plates, and the second part functions as an outlet part after filtration.
- This plate according to the invention is particularly suitable for high-throughput applications in nucleic acid technology and for protein purification and analysis.
- the invention was therefore based on the object of providing a multiwell filtration plate which affords protection against cross-contamination of the samples, which can be produced cost-effectively and can be used in multiple layers, e.g. for high-throughput applications in nucleic acid technology and in protein technology.
- the new multiwell filtration plate consists of two tightly connected individual parts.
- the upper part of the plate is defined as a sample receiving part 1, the lower part of the plate as an outlet part 2 with a filter 3.
- This outlet part 2 comprises outlet nozzles 4 according to the invention for each well, via which the filtrate flows into a collecting vessel, e.g. a deep well plate is running for further determination.
- the outlet part is thus by the correspondingly shaped outlet nozzle 4, depending on the plate vzw. 96 or 384.
- outlet nozzles have an inner angle of inclination of 15-25 °, preferably 20 ° and each have an approximately 1.0-1.5 mm, preferably 1.0 mm thick support shoulder (sealing shoulder) 5 at the connection point to the upper part for stabilizing the filter insert 3 , Their length is approximately 5-15mm.
- 96-well plates have outlet connections with a length of 10-15 mm, vzw. they have a length of 12 mm.
- 384-well plates have outlet connections with a length of approximately 5-8 mm, vzw. they have a length of 5 to 6 mm. Possibly. the filtration plate is coupled to the outlet vessel.
- outlet nozzles are generally round, in a further embodiment variant they can be designed at the outlet end or in a star shape with at least 8 openings.
- the inner inclination angle of 15-25 °, preferably 20 °, and the special outlet design enable the filtered sample to be easily and completely discharged into the collecting vessel, e.g. the deep-well plate (minimizing the dead volume, almost 0). Due to the length of the outlet nozzle with vzw. approx. 12 mm for 96-well plates and with vzw. 5 to 6 mm for 384 well plates (known microtiter plates have spouts with a maximum length of 9 mm (96 well) and ⁇ 5 mm (384 well), the highly problematic cross-contamination can be avoided Multiwell filtration plate according to the invention can also be used for applications in PCR-based infection diagnosis.
- the extension of the outlet connection further has the consequence that, in contrast to previously known filtration plates, the filtration plate according to the invention has an increased capacity capacity with a chamber volume of over 1 ml for 96 well plates and approx. 300 ⁇ l for 384 well plates, ie it larger sample volumes can be processed than usual. This also leads to more reproducible results. This is particularly true for the 384-well plates, which the specialist is very much looking for, and whose throughput has been increased sixfold.
- the invention also relates to the process for producing the new multiwell filtration plate.
- Both parts of the multiwell filtration plate are firmly connected to one another in a special production process using hydraulic pressing.
- the compression takes place in each case on the recesses with the outlet connections (96 or 384).
- the inner pressing edges are sharpened so that during pressing, in which the filter insert 3, such as. B. a filter mat is placed between the upper 1 and lower part 2, the wells corresponding filters are punched clean.
- These punched out filter inserts are pressed with the upper part into the lower part and lie on the support step 5 in the lower part.
- the upper part of the plate, the filter plate and the lower part of the plate are pressed firmly and tightly together by hydraulic pressure.
- the multiwell filtration plate is preferably produced using the injection molding process with carefully set injection molding parameters.
- the filtration plates according to the invention consist of materials known per se, such as polystyrene or polypropylene.
- the injection molding material used is preferably a high quality polystyrene. Since only perfectly fitting injection molded parts are used, the pressing takes place without sealing lips etc.
- the invention ideally solves all existing problems.
- the plate is manufactured using a new technological process, which enables a filter material to be placed in the multiwell filtration plate in a highly efficient and inexpensive manner.
- the new multiwell filtration plate is constructed in its constructive dimensions so that previously known cross-contamination can be eliminated via the shape of the outlet connection.
- External dimensions (width and length) of the plate and the arrangement of the wells correspond to a normal microtitration plate, with a further advantage in increasing the volumes of the reaction cavities to approx. 1 ml (96 well) or to approx. 300 ⁇ l (384 well) exists.
- all standard applications for automated isolation and purification of nucleic acids can be easily implemented with one plate.
- the plate can also be used in protein purification and analysis without any problems.
- FIG. 1 general view of a 96-well device
- Fig. 2 a longitudinal section of the individual device parts
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Hematology (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Devices For Use In Laboratory Experiments (AREA)
- Sampling And Sample Adjustment (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Filtering Materials (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10041825 | 2000-08-02 | ||
DE10041825A DE10041825A1 (de) | 2000-08-25 | 2000-08-25 | Multiwell Filtrationsplatte und Verfahren zu ihrer Herstellung |
PCT/DE2001/003137 WO2002016035A1 (de) | 2000-08-25 | 2001-08-22 | Multiwell filtrationsplatte und verfahren zu ihrer herstellung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1313562A1 true EP1313562A1 (de) | 2003-05-28 |
EP1313562B1 EP1313562B1 (de) | 2006-10-25 |
Family
ID=7653785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01964906A Expired - Lifetime EP1313562B1 (de) | 2000-08-25 | 2001-08-22 | Multiwell filtrationsplatte und verfahren zu ihrer herstellung |
Country Status (10)
Country | Link |
---|---|
US (1) | US6830732B1 (de) |
EP (1) | EP1313562B1 (de) |
JP (1) | JP2004506918A (de) |
CN (1) | CN1471432A (de) |
AT (1) | ATE343426T1 (de) |
AU (1) | AU2001285706A1 (de) |
DE (2) | DE10041825A1 (de) |
DK (1) | DK1313562T3 (de) |
ES (1) | ES2275719T3 (de) |
WO (1) | WO2002016035A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU221678U1 (ru) * | 2023-08-30 | 2023-11-16 | Акционерное Общество "Вектор-Бест-Балтика" | Планшет для размещения одноразовых наконечников |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2372464B (en) * | 2001-02-22 | 2003-05-14 | Vivascience Ltd | Method of isolating a charged compound |
US7135117B2 (en) * | 2001-05-31 | 2006-11-14 | Pall Corporation | Well for processing a fluid |
US7375807B2 (en) * | 2002-07-15 | 2008-05-20 | Avantium International B.V. | System for the preparation of multiple solid state samples, in particular for spectroscopic and microscopic analysis |
EP1569752A4 (de) * | 2002-10-10 | 2006-04-05 | Irm Llc | KAPAZITÄTSVERûNDERUNGSEINRICHTUNG, HALTER UND VERFAHREN ZURPROBENVERARBEITUNG |
DE10310025A1 (de) * | 2003-03-06 | 2004-09-16 | Rheinisch-Westfälisch- Technische Hochschule Aachen | Vorrichtung zur simultanen Aufnahme von mehreren Gegenständen |
US7063216B2 (en) | 2003-09-04 | 2006-06-20 | Millipore Corporation | Underdrain useful in the construction of a filtration device |
USD529184S1 (en) * | 2004-09-01 | 2006-09-26 | The Automation Partnership (Cambridge) | Filter block |
US8968679B2 (en) * | 2005-05-19 | 2015-03-03 | Emd Millipore Corporation | Receiver plate with multiple cross-sections |
WO2008157278A1 (en) * | 2007-06-15 | 2008-12-24 | Smithkline Beecham Corporation | Antibody formulations |
EP2276572B1 (de) | 2008-04-11 | 2018-12-19 | Biotix, Inc. | Vorrichtungen und verfahren zur handhabung von pipettenspitzen |
US20100089938A1 (en) * | 2008-04-11 | 2010-04-15 | Arta Motadel | Pipette tip handling devices and methods |
US8590736B2 (en) | 2009-04-11 | 2013-11-26 | Biotix, Inc. | Automated pipette tip loading devices and methods |
USD697227S1 (en) | 2009-04-11 | 2014-01-07 | Biotix, Inc. | Pipette tip handling device set |
DE102009057223B4 (de) * | 2009-12-05 | 2016-03-24 | Chemagen Biopolymer-Technologie Aktiengesellschaft | Probengefäßmatrix und deren Herstellungsverfahren |
WO2014018751A1 (en) * | 2012-07-27 | 2014-01-30 | Emory University | Cell filtration device |
Family Cites Families (28)
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---|---|---|---|---|
US3295686A (en) * | 1965-05-20 | 1967-01-03 | Rockridge Lab | Filter unit |
DE3214287A1 (de) * | 1981-04-23 | 1982-12-02 | Günther Prof. Dipl.-Ing. Dr. 8047 Graz Knapp | Roehrchen zur durchfuehrung eines radioimmunoassays |
US4948442A (en) | 1985-06-18 | 1990-08-14 | Polyfiltronics, Inc. | Method of making a multiwell test plate |
US4948564A (en) | 1986-10-28 | 1990-08-14 | Costar Corporation | Multi-well filter strip and composite assemblies |
US4902481A (en) | 1987-12-11 | 1990-02-20 | Millipore Corporation | Multi-well filtration test apparatus |
DE3843610A1 (de) * | 1988-01-13 | 1989-07-27 | Stephan Dr Diekmann | Trenn- oder reaktionssaeuleneinheit |
DE3804429A1 (de) * | 1988-02-12 | 1989-08-24 | Schleicher & Schuell Gmbh | Einmalfilter |
US5108704A (en) | 1988-09-16 | 1992-04-28 | W. R. Grace & Co.-Conn. | Microfiltration apparatus with radially spaced nozzles |
JPH02151769A (ja) * | 1988-12-02 | 1990-06-11 | Jeol Ltd | 反応容器 |
SE9000650L (sv) * | 1989-02-28 | 1990-08-29 | Asahi Optical Co Ltd | Separation av celler eller virus |
US5141719A (en) | 1990-07-18 | 1992-08-25 | Bio-Rad Laboratories, Inc. | Multi-sample filtration plate assembly |
US5264184A (en) * | 1991-03-19 | 1993-11-23 | Minnesota Mining And Manufacturing Company | Device and a method for separating liquid samples |
US5205989A (en) * | 1991-09-18 | 1993-04-27 | Minnesota Mining And Manufacturing Company | Multi-well filtration apparatus |
US5368729A (en) * | 1993-07-23 | 1994-11-29 | Whatman, Inc. | Solid phase extraction device |
US5620662A (en) | 1993-08-23 | 1997-04-15 | Brandeis University | Temporary liquid storage cavities in a centrifuge tube lid |
US5595653A (en) * | 1994-07-15 | 1997-01-21 | Cera, Inc. | Microcolumn for extraction of analytes from liquids |
US5846493A (en) * | 1995-02-14 | 1998-12-08 | Promega Corporation | System for analyzing a substance from a solution following filtering of the substance from the solution |
DE29505652U1 (de) * | 1995-04-01 | 1996-04-25 | Boehringer Mannheim Gmbh, 68305 Mannheim | Gefäß zur kontaminationsreduzierten Behandlung von Flüssigkeiten |
US5874004A (en) * | 1996-06-19 | 1999-02-23 | Sheila H. Dewitt | Phase separation filter device |
US5792430A (en) * | 1996-08-12 | 1998-08-11 | Monsanto Company | Solid phase organic synthesis device with pressure-regulated manifold |
US6027694A (en) | 1996-10-17 | 2000-02-22 | Texperts, Inc. | Spillproof microplate assembly |
US6054100A (en) * | 1996-11-18 | 2000-04-25 | Robbins Scientific Corporation | Apparatus for multi-well microscale synthesis |
US5888831A (en) * | 1997-03-05 | 1999-03-30 | Gautsch; James W. | Liquid-sample-separation laboratory device and method particularly permitting ready extraction by syringe of the separated liquid sample |
US6391241B1 (en) | 1997-06-06 | 2002-05-21 | Corning Incorporated | Method of manufacture for a multiwell plate and/or filter plate |
US5906796A (en) * | 1997-08-04 | 1999-05-25 | Ansys, Inc. | Solid phase extraction plate |
AU9786798A (en) * | 1997-10-10 | 1999-05-03 | Biosepra Inc. | Aligned multiwell multiplate stack and method for processing biological/chemicalsamples using the same |
US6159368A (en) * | 1998-10-29 | 2000-12-12 | The Perkin-Elmer Corporation | Multi-well microfiltration apparatus |
US20010001643A1 (en) * | 1998-12-08 | 2001-05-24 | Nigel Simpson | Modular solid phase extraction plate assembly |
-
2000
- 2000-08-25 DE DE10041825A patent/DE10041825A1/de not_active Ceased
- 2000-10-30 US US09/702,099 patent/US6830732B1/en not_active Expired - Lifetime
-
2001
- 2001-08-22 WO PCT/DE2001/003137 patent/WO2002016035A1/de active IP Right Grant
- 2001-08-22 AU AU2001285706A patent/AU2001285706A1/en not_active Abandoned
- 2001-08-22 DK DK01964906T patent/DK1313562T3/da active
- 2001-08-22 ES ES01964906T patent/ES2275719T3/es not_active Expired - Lifetime
- 2001-08-22 AT AT01964906T patent/ATE343426T1/de active
- 2001-08-22 JP JP2002520949A patent/JP2004506918A/ja active Pending
- 2001-08-22 DE DE50111329T patent/DE50111329D1/de not_active Expired - Lifetime
- 2001-08-22 CN CNA018179266A patent/CN1471432A/zh active Pending
- 2001-08-22 EP EP01964906A patent/EP1313562B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO0216035A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU221678U1 (ru) * | 2023-08-30 | 2023-11-16 | Акционерное Общество "Вектор-Бест-Балтика" | Планшет для размещения одноразовых наконечников |
Also Published As
Publication number | Publication date |
---|---|
DK1313562T3 (da) | 2007-02-26 |
JP2004506918A (ja) | 2004-03-04 |
ATE343426T1 (de) | 2006-11-15 |
ES2275719T3 (es) | 2007-06-16 |
CN1471432A (zh) | 2004-01-28 |
EP1313562B1 (de) | 2006-10-25 |
DE10041825A1 (de) | 2002-03-07 |
WO2002016035A1 (de) | 2002-02-28 |
AU2001285706A1 (en) | 2002-03-04 |
DE50111329D1 (de) | 2006-12-07 |
US6830732B1 (en) | 2004-12-14 |
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