EP2274100A2 - Aufnahme für eine probe - Google Patents
Aufnahme für eine probeInfo
- Publication number
- EP2274100A2 EP2274100A2 EP09742161A EP09742161A EP2274100A2 EP 2274100 A2 EP2274100 A2 EP 2274100A2 EP 09742161 A EP09742161 A EP 09742161A EP 09742161 A EP09742161 A EP 09742161A EP 2274100 A2 EP2274100 A2 EP 2274100A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- receptacle
- sample
- wall
- peltier element
- peltier
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L7/00—Heating or cooling apparatus; Heat insulating devices
- B01L7/52—Heating or cooling apparatus; Heat insulating devices with provision for submitting samples to a predetermined sequence of different temperatures, e.g. for treating nucleic acid samples
-
- 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
- B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/18—Means for temperature control
- B01L2300/1805—Conductive heating, heat from thermostatted solids is conducted to receptacles, e.g. heating plates, blocks
- B01L2300/1822—Conductive heating, heat from thermostatted solids is conducted to receptacles, e.g. heating plates, blocks using Peltier elements
Definitions
- the invention relates to a receptacle for a sample according to claim 1, a receptacle according to claim 25 and a receptacle according to claim 27.
- the problem to be solved by the invention is to improve the accuracy of the temperature control of a chemical or biological sample and to accelerate the adjustment to the desired temperature.
- a receptacle for a sample wherein the receptacle has at least one Peltier element for tempering the sample, which is integrated in a wall of the receptacle.
- the sample is at least one chemical or biological substance which is introduced directly into the receptacle in solid or liquid form, the receptacle being in the form of a reaction vessel (eg in the manner of a test tube, a beaker or generally with a rectangular or round shape). for performing a chemical or biological reaction using the at least one chemical and / or at least one biological substance.
- the receptacle has a hollow-cylindrical section or is substantially hollow-cylindrical, the diameter of the hollow-cylindrical section being e.g. is at most 3 cm and has a length of more than 20 cm in particular.
- the wall thickness of the wall of the receptacle, in particular of the hollow cylindrical section, is e.g. Max. 1, 5 mm.
- the hollow cylindrical section also has at one end a filling opening, via which the chemical and / or biological substance is to be filled into the receptacle.
- the filling opening opposite the end of the hollow cylindrical section is followed in particular by a lower portion of the receptacle, which forms a bottom of the receptacle.
- the lower portion tapers away from the hollow cylindrical portion and is e.g. conically shaped.
- the lower section is rounded in shape of the bottom of a standard test tube.
- the receptacle may be in the form of a reagent or beaker, it need not necessarily be made of glass;
- the receptacle (or at least its wall with the integrated Peltier element) can also be made of a plastic (for example polyethylene, polycarbonate or polypropylene), in particular being made in one piece from a type of plastic.
- the receptacle is formed from another material (for example made from a metal or from silicon) or at least comprises another material.
- the wall of the receptacle into which the Peltier element is integrated, or the complete receptacle, is moreover manufactured in one piece, ie it does not consist of a plurality of non-positively, positively or materially connected parts.
- the recording is designed, for example, for single use.
- the sample may be a nucleic acid-containing substance and the receptacle may be designed to carry out the polymerase chain reaction (PCR), ie as so-called "tube” or "Eppendorf reaction vessel".
- PCR polymerase chain reaction
- Such a receptacle designed as a PCR reaction vessel has in particular a capacity of 0.5 to 5 ml.
- such a receptacle also has a hollow-cylindrical section which has a maximum diameter of 1.5 cm.
- the sample when conducting a polymerase chain reaction, it is important that the sample can be brought to the desired temperature accurately and quickly. This is achieved by the Peltier element integrated in the wall, since the proximity of the pebble element to the sample results in good thermal contact between the Peltier element and the sample. With the integrated Peltier element, it is thus possible to choose the wall thickness of the receptacle sufficiently thick in order to avoid outdiffusion of sample material without the thicker wall affecting the temperature of the sample.
- the Peltier element can be operated both as a cooling and as a heating element. Switching from cooling to heating operation and vice versa takes place in particular by reversing the polarity of the voltage applied to the Peltier element.
- the wall is integrally formed as already mentioned above, wherein it has an inner side which faces a volume which can be filled with the chemical and / or biological substance, and an outer side facing away from the inner side, which has a visible outer side Recording forms.
- integral here means that the wall consists essentially only of a single material, for example glass or a plastic such as polyethylene.
- the wall defines the receptacle, ie, a volume that can be filled with the chemical and / or biological substance, and may comprise a bottom of the receptacle and a side wall which projects from the bottom.
- the Peltier element is integrated, for example, in the floor and / or in the side wall.
- several Peltier elements can be provided, which are arranged, for example, all in the ground or all in the side wall.
- at least one Peltier element is integrated into both the floor and the side wall.
- the invention also includes took, which are not cup-shaped, but have a different shape (eg cup-shaped).
- a "Peltier element integrated into the wall” also means that the Peltier element is only partially surrounded by the material of the wall, for example the Peltier element can project out of the wall with one section or with the wall that it comes into (physical) contact with the sample in the receptacle and thus allows a direct tempering of the sample, but that the Peltier element can also be essentially completely surrounded by the material of the wall For example, when the receptacle is being formed, it can be cast into the wall, which is possible in particular if the receptacle is formed from a plastic.
- the Peltier element is a Peltier element produced by microtechnology (ie by thin-film technology).
- Such miniaturized Peltier elements have, for example, an areal extent of 0.05 mm 2 to 100 mm 2 .
- the height of such a microtechnologically produced Peltier element is for example in the range of about 100 microns to 2000 microns, in particular 500 microns to 1 100 microns.
- the receptacle has means for generating a homogeneous temperature in the sample, wherein the means are thermally coupled on the one hand with the Peltier element and on the other hand with the sample.
- the means increase the homogeneity of the temperature distribution generated in the sample compared to a temperature control, which takes place exclusively by the integrated Peltier elements.
- the means comprise a wall-integrated element that is in thermal contact with the sample with a larger area than the integrated Peltier element (or the plurality of integrated Peltier elements).
- the element may be a foil made of a good thermally conductive material, for example a metal, which is on the one hand coupled to the Peltier element and on the other hand, with a large surface in thermal contact with the sample in the recording.
- the film can be arranged in the wall of the receptacle such that it projects out of the wall with a surface, so that the surface is in direct, ie physical, contact with the sample in the receptacle.
- the receptacle has a plurality of Peltier elements, which are arranged along a circumference of the receptacle.
- the Peltier elements can be integrated annularly in the side wall of the receptacle, wherein the distances between them can be particularly constant.
- a peripheral contact element can be provided, via which the integrated Peltier elements can be electrically and / or thermally contacted.
- the contact element can be designed annular and clamped for contacting the Peltier elements on the (for example rotationally symmetrical) side wall of the receptacle.
- the receptacle may have a heating element in its upper area, which heats the upper side wall area of the receptacle, in order to avoid the formation of condensate there.
- the "upper area” is the area of the receptacle in which an opening for filling the sample is provided.
- a Peltier element or several Peltier elements can be arranged in the upper region of the receptacle.
- the Peltier elements can in particular be operated so that a temperature gradient is generated in the upper region of the receptacle in order to prevent the formation of condensate.
- At least two Peltier elements can be arranged and operated on the receptacle in such a way that a temperature gradient can be generated in the sample.
- the Peltier elements can be operated differently, i. with different heating or cooling effect.
- the receptacle has a plurality of Peltiere- elements, which are arranged depending on the shape of the receptacle so that a homogeneous temperature distribution in the sample can be generated.
- Peltiere- elements which are arranged depending on the shape of the receptacle so that a homogeneous temperature distribution in the sample can be generated.
- more Peltier elements can be provided in the upper (wider) region of the receptacle than in the lower (narrower) region.
- an integrated into the wall sensor element for detecting the sample is additionally arranged, which cooperates with the Peltier element.
- the sensor element is integrated into the Peltier element.
- the temperature detected by the sensor element of the sample is in particular for Controlling the integrated Peltier element (or the more integrated Peltierelemen- te used).
- the sensor element or the plurality of sensor elements and the Peltier element can be electrically connected to a controller.
- the receptacle is formed as a structure (eg as a reaction chamber or transport channel) of a chemical and / or biological microchip and in particular as a component of a microfluidic structure ("lab-on-chip".)
- a Peltier element In or on a substrate of the microchip is a Peltier element
- the Peltier element can also serve to control the flow rate through a transport channel (eg, by local freezing or thawing of liquids in the channel).
- a receptacle according to the invention for a sample in the form of at least one chemical and / or biological substance has a filling opening for filling the sample and a closure element for closing the filling opening, wherein a Peltier element for tempering the sample is integrated in the closure element.
- the closure element is designed in the form of a detachable plug or lid.
- the closure element is not detachably connected to the rest of the receptacle, e.g. in the form of a lid which is fastened with a portion to the rest of the receptacle or formed integrally with the rest of the receptacle.
- the invention also relates to a device having a plurality of interconnected receptacles.
- the receptacles of this device are each designed in the manner of an Eppendorf reaction vessel and are used e.g. connected by their edges, each surrounding a filling opening of the vessels.
- such a device may also be formed in one piece.
- the invention relates to a system having a receptacle as described above.
- the system comprises a carrier device for the receptacle, which has electrical contacts, via which the Peltier element is electrically contactable.
- the receptacle and the carrier device are geometrically matched to one another, so that the receptacle can be inserted into the carrier device (for example inserted), and the Peltier elements of the receptacle are automatically thermally and / or electrically contacted.
- the carrier device can also have means for cooling the integrated Peltier element to increase its efficiency.
- Figures 1 and 2A - 2C are sectional views relating to a system with a receptacle according to a first embodiment of the invention and a support device.
- 3A and 3B show various views of a second embodiment of the receptacle
- Fig. 5 shows a fourth embodiment of the recording.
- Figure 1 shows a system of a receptacle in the form of a container 1 for receiving a sample and a carrier device 2, on which the container 1 is arranged.
- the container 1 has a wall 3 which comprises a bottom 31 of the container and a side wall 32 projecting from the bottom 31.
- the container is rotationally symmetrical (frustoconical) formed.
- the invention is not limited to rotationally symmetrical containers.
- a Peltier element 4 is integrated, which is for tempering, i. for heating and / or cooling a sample 5 placed in the container 1.
- the sample 5 is a liquid.
- Figures 2A to 2C relate to different variants of the integration of the Peltier element 4 in the bottom 31.
- the Peltier element 4 may be arranged so that it protrudes little or not at all from the wall of the bottom 31 ( Figure 2A).
- the thickness of the soil in the region of the Peltier element is reduced; For example, by providing a recess (eg with sloping sides) in the bottom 31, so that the thickness of the material of the soil between the Peltier element 4 and the sample 5 arranged in the container is small. This allows a good thermal coupling of the Peltier element 4 with the sample 5.
- the Peltier element 4 has on its underside (ie on its side facing away from the sample 5) contacts 41 a, 41 b for its electrical contact.
- contacts 42a, 42b are provided, via which a sensor element integrated in the Peltier element 4 for temperature detection (not shown) can be electrically contacted.
- a sensor element integrated in the Peltier element 4 for temperature detection (not shown) can be electrically contacted.
- a plurality of sensor elements can be integrated into the Peltier element, wherein correspondingly more than two contacts can be provided.
- at least one sensor element may also be present which is not integrated in the Peltier element but is arranged separately therefrom, for example in the wall of the receptacle.
- the bottom 31 may also have such a small thickness in the region of the Peltier element 4 that the Peltier element 4 protrudes with a portion from the wall into the interior of the container 3 and thus a large part of one side of the Peltier element is in physical contact with the liquid 5 ( Figure 2B). If the thickness of the wall 3 in the bottom region 31 is reduced to such an extent that it corresponds to or is smaller than the height of the Peltier element 4, the entire side of the Peltier element 4 facing the interior of the container 3 is in direct contact with the liquid 5 Figure 2C shown.
- the carrier device 2 comprises contact elements, via which the Peltier element is thermally and electrically contacted when the container 1 is arranged on the carrier device.
- contacts may be provided which are electrically connected when arranging the container 1 on the support device 2 with the contacts 41 a, 41 b and / or 42 a, 42 b of the Peltier element 4.
- the carrier device 2 has a cooling body 21 with a plurality of cooling ribs, which serves for cooling the side of the Peltier element 4 facing away from the sample to be tempered.
- other cooling elements may also be used, e.g. Cooling elements having a cooling liquid.
- FIG. 3A and 3B relate to an embodiment of the invention, according to which a plurality of Peltier elements 4 are integrated into the side wall 32 of the wall 3.
- FIG. 3B shows a section through FIG. 3A.
- a plurality of Peltier elements 4 are arranged along a circumference of the side wall 32 (compare in particular FIG. 3B).
- the container 1 has no Peltier element in the bottom 31 here; Of course, Peltier elements may be arranged both in the bottom 31 and in the side wall 32.
- the Peltier elements 4 are arranged annularly in the side wall 32, wherein they have constant distances from one another in order to achieve the most homogeneous possible temperature distribution in the sample 5.
- a contact element in the form of an annular pressure contact 6 is clamped (pushed) onto the side wall 32 of the container 3.
- the pressure contact 6 is used for thermal and / or electrical contacting of the integrated Peltier elements 4 and may have leading away from the container 1 line elements through which the Peltier elements, for example, with an electronic control unit (not shown) may be connected.
- the pressure contact 6 can be realized for example as a flexible band.
- the pressure contact 6 has means for cooling the Peltier elements 4 in the form of a plurality of cooling fins 61, which are arranged in the region of the Peltier elements 4.
- FIG. 4 relates to a further embodiment of the container according to the invention.
- a Peltier element 4 is integrated in the bottom 31 of the container wall 3.
- an element in the form of a good heat-conducting film 7 is additionally integrated, which is in thermal contact with the liquid 5 with a larger area than the Peltier element 4.
- the film 7 provides a more homogeneous temperature distribution in the liquid. 5
- the film 7 is thermally (and mechanically) coupled to one side of the Peltier element 4 (see enlarged detail) and extends both in the bottom region 31 and in a portion of the side wall 32.
- the film 7 is located just below the inner surface of the wall 3, so that a good heat transfer to the liquid 5 is ensured.
- the film is integrated into the wall 3 so that it protrudes with a surface of the wall and is in direct, physical contact with the sample 5.
- FIG. 5 shows another embodiment of the container according to the invention.
- Peltier elements 4 are integrated into the side wall 32 of the container 1, which are electrically and / or thermally contacted by a pressure contact 6.
- a heating element 8 for heating this container is provided in the upper region of the container 3, ie in the region of the container in which there is an opening 33 for filling a sample.
- area provided in the upper region of the container 3, ie in the region of the container in which there is an opening 33 for filling a sample.
- a heating element 8 for heating this container is provided in the upper region of the container 3, ie in the region of the container in which there is an opening 33 for filling a sample.
- the formation of condensate on the container can be reduced or avoided by way of the heating element 8.
- a heating element 8 a resistance heating element or another Peltier element can be used.
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Molecular Biology (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008023299A DE102008023299A1 (de) | 2008-05-08 | 2008-05-08 | Aufnahme für eine Probe |
PCT/EP2009/055616 WO2009135943A2 (de) | 2008-05-08 | 2009-05-08 | Aufnahme für eine probe |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2274100A2 true EP2274100A2 (de) | 2011-01-19 |
Family
ID=41180357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09742161A Withdrawn EP2274100A2 (de) | 2008-05-08 | 2009-05-08 | Aufnahme für eine probe |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2274100A2 (de) |
DE (1) | DE102008023299A1 (de) |
WO (1) | WO2009135943A2 (de) |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD157983A3 (de) * | 1980-08-19 | 1982-12-22 | Dieter Baumert | Anordnung zur aufschaltung einer stoergroesse fuer die regelung der heiz-u.kuehlleistung einer peltierbatterie eines thermostaten |
DE3525860A1 (de) * | 1985-07-19 | 1987-01-29 | Egbert Dr Brandau | Thermostat |
EP0342155A3 (de) * | 1988-05-13 | 1990-06-27 | Agrogen-Stiftung | Laboratoriumsgerät zum wahlweisen Heizen und Kühlen |
DE4037955A1 (de) * | 1989-12-05 | 1991-06-06 | Bernd Seidl | Vorrichtung zur aufnahme von probenbehaeltnissen |
FI915731A0 (fi) * | 1991-12-05 | 1991-12-05 | Derek Henry Potter | Foerfarande och anordning foer reglering av temperaturen i ett flertal prov. |
DE9205988U1 (de) * | 1992-05-02 | 1992-07-30 | Blaich, Rolf, Prof. Dr., 6741 Ilbesheim | Kühlgerät zur Analyse von Gefriervorgängen |
DE4231702C2 (de) * | 1992-09-22 | 1995-05-24 | Litef Gmbh | Thermoelektrische, beheizbare Kühlkammer |
US5525300A (en) | 1993-10-20 | 1996-06-11 | Stratagene | Thermal cycler including a temperature gradient block |
DE19614764C1 (de) * | 1996-04-02 | 1997-05-28 | Ifak Inst Fuer Automation Und | Verfahren und Vorrichtung zur Bestimmung von unterschiedlichen Stoffkonzentrationen einer komplexen Flüssigkeit |
JP3661112B2 (ja) * | 1996-05-27 | 2005-06-15 | 独立行政法人理化学研究所 | 微量検体のためのインキュベーターの温度制御方法及びインキュベーター |
AU7477398A (en) * | 1997-05-09 | 1998-11-27 | Regents Of The University Of California, The | Peltier-assisted microfabricated reaction chambers for thermal cycling |
US6558947B1 (en) * | 1997-09-26 | 2003-05-06 | Applied Chemical & Engineering Systems, Inc. | Thermal cycler |
US6106784A (en) * | 1997-09-26 | 2000-08-22 | Applied Chemical & Engineering Systems, Inc. | Thawing station |
GB9811060D0 (en) * | 1998-05-23 | 1998-07-22 | Secr Defence | Incubation vessels |
US6528026B2 (en) * | 1998-08-13 | 2003-03-04 | Symyx Technologies, Inc. | Multi-temperature modular reactor and method of using same |
JP3422262B2 (ja) * | 1998-08-28 | 2003-06-30 | 株式会社島津製作所 | 試料冷却装置 |
DE29817402U1 (de) * | 1998-09-29 | 1999-01-28 | Freitag, Lutz, Dr., 58675 Hemer | Vorrichtung zum Temperieren medizinischer Flüssigkeiten |
US6337435B1 (en) * | 1999-07-30 | 2002-01-08 | Bio-Rad Laboratories, Inc. | Temperature control for multi-vessel reaction apparatus |
DE10023476A1 (de) * | 2000-05-10 | 2001-12-13 | Bar Yoav Yigal | Einrichtung zum Kühlen oder Erwärmen eines ein Getränk enthaltenden Gefäßes |
DE10238843B8 (de) * | 2002-08-20 | 2008-01-03 | Infineon Technologies Ag | Halbleiterbauelement |
DE20305416U1 (de) * | 2003-04-03 | 2003-10-09 | Valicek Karl | Reisekoffer für temperaturempfindliche Medikamente |
WO2004088291A1 (en) * | 2003-04-03 | 2004-10-14 | Bioneer Corporation | Real-time monitoring apparatus for biochemical reaction |
US7854897B2 (en) * | 2003-05-12 | 2010-12-21 | Yokogawa Electric Corporation | Chemical reaction cartridge, its fabrication method, and a chemical reaction cartridge drive system |
EP1641563B1 (de) * | 2003-05-23 | 2018-08-29 | Bio-Rad Laboratories, Inc. | Lokalisierte temperaturregelung für raumanordnungen von reaktionsmedien |
DE20317471U1 (de) * | 2003-11-11 | 2004-02-12 | Chi, Immanuel | Transportbehälter für verderbliches Gut mit einer integrierten aktiven Kühl- oder Wärmequelle |
EP1878503A1 (de) * | 2006-07-14 | 2008-01-16 | Roche Diagnostics GmbH | Temperatursensor zur Überwachung von Heizen und Kühlen |
EP1878501A1 (de) * | 2006-07-14 | 2008-01-16 | Roche Diagnostics GmbH | Vorrichtung zur Heizung und Kühlung |
JP2008099990A (ja) * | 2006-10-20 | 2008-05-01 | Olympus Corp | 採血管保管容器 |
-
2008
- 2008-05-08 DE DE102008023299A patent/DE102008023299A1/de not_active Withdrawn
-
2009
- 2009-05-08 WO PCT/EP2009/055616 patent/WO2009135943A2/de active Application Filing
- 2009-05-08 EP EP09742161A patent/EP2274100A2/de not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO2009135943A3 * |
Also Published As
Publication number | Publication date |
---|---|
WO2009135943A3 (de) | 2010-04-22 |
WO2009135943A2 (de) | 2009-11-12 |
DE102008023299A1 (de) | 2009-11-19 |
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