EP1559676A2 - Mikrostrukturierte Anordnung zur blasenfreien Befüllung zumindest eines Systems zur Ableitung von Flüssigkeiten, Vorrichtung mit einer solchen Anordnung und Befüllungsverfahren - Google Patents
Mikrostrukturierte Anordnung zur blasenfreien Befüllung zumindest eines Systems zur Ableitung von Flüssigkeiten, Vorrichtung mit einer solchen Anordnung und Befüllungsverfahren Download PDFInfo
- Publication number
- EP1559676A2 EP1559676A2 EP04029633A EP04029633A EP1559676A2 EP 1559676 A2 EP1559676 A2 EP 1559676A2 EP 04029633 A EP04029633 A EP 04029633A EP 04029633 A EP04029633 A EP 04029633A EP 1559676 A2 EP1559676 A2 EP 1559676A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid
- transition region
- arrangement according
- area
- inlet
- 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
- 238000000034 method Methods 0.000 title claims abstract description 7
- 239000007788 liquid Substances 0.000 title claims description 87
- 230000005499 meniscus Effects 0.000 claims abstract description 6
- 230000007704 transition Effects 0.000 claims description 116
- 238000007599 discharging Methods 0.000 claims description 29
- 238000009736 wetting Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 abstract description 9
- 230000032258 transport Effects 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
Classifications
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- 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
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/502723—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by venting arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/06—Fluid handling related problems
- B01L2200/0621—Control of the sequence of chambers filled or emptied
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/06—Fluid handling related problems
- B01L2200/0684—Venting, avoiding backpressure, avoid gas bubbles
-
- 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
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0861—Configuration of multiple channels and/or chambers in a single devices
- B01L2300/0864—Configuration of multiple channels and/or chambers in a single devices comprising only one inlet and multiple receiving wells, e.g. for separation, splitting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/06—Valves, specific forms thereof
- B01L2400/0688—Valves, specific forms thereof surface tension valves, capillary stop, capillary break
-
- 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
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/502746—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by the means for controlling flow resistance, e.g. flow controllers, baffles
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/11—Automated chemical analysis
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/11—Automated chemical analysis
- Y10T436/110833—Utilizing a moving indicator strip or tape
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/11—Automated chemical analysis
- Y10T436/111666—Utilizing a centrifuge or compartmented rotor
Definitions
- the invention relates to a microstructured arrangement for Bubble-free filling of at least one system for the derivation of Liquids (liquid-removing system) with a liquid.
- the invention further relates to a device with such Arrangement and a method for filling a system for Discharge of liquids with such an arrangement.
- the bubble located in the corner area can but in Continue to release from the corner area and as a graft in front of the 90 ° angled duct section, d. H. the liquid-discharging Set system. Another liquid transport can thereby prevented or at least handicapped.
- EP 1 201 304 A2 is a microstructured platform for studying a Fluid known in the various cavities through Capillary forces are filled with liquids.
- a chamber 130 known, which has a Supply channel 450 is filled.
- the chamber has one comparatively large depth and the supply channel opens immediately below the lid of the chamber, the Mouth area has a small cross-sectional area. in the Mouth area is thus an abrupt transition from the small Cross-sectional area of the supply channel to the large Cross-sectional area of the chamber, which acts like a capillary stop, at which a liquid transport breaks off.
- Fig. 5 and 7 is a similar Notch, there referred to as inlet channel 62, known, which are the same Purpose met as the notch in the document EP 1 201 304 A2.
- cascade and Butterfly structures described that have a uniform Diffusion of a liquid flow in one with uniform Speed-flowing liquid layer (or vice versa uniform merging of a wide liquid flow) allows.
- These cascade and butterfly structures alone however, they do not guarantee bubble-free filling adjoining chamber. Rather, in the chamber itself Have delay structures at the edges leading the way an edge flow and thus the inclusion of air bubbles prevent.
- the invention has for its object an arrangement and a Device with such an arrangement and a method for To propose such an arrangement, which ensures that or the liquid-discharging systems be filled bubble-free.
- a microstructured according to the invention Arrangement for bubble-free filling of at least one Liquid-discharging system with a liquid an inlet for a connection of the arrangement with a system for the supply of Liquids (liquid-supplying systems) on.
- the order further comprises at least one outlet for a connection of Arrangement with the at least one liquid-discharging system on and the arrangement includes a transition area, through which the liquid from the inlet to the at least one Outlet is transportable.
- At the beginning of this transitional area is at least a first microstructure element for generating a location provided with increased capillary force to ensure complete wetting the area bordering this area with increased capillary force, in particular of side walls, a ceiling and / or a floor to reach.
- the gapless wetting of the beginning of the transition area causes no air bubbles at the beginning of the transition area can be formed. From the beginning of the transition area then contracts due to the acting capillary forces Fluid meniscus to the end of the transition region, d. H. to that or the outlets of the assembly. The inclusion of air bubbles is excluded. This allows the liquid through the Transition area transported without the formation of air bubbles and a bubble-free filling of the liquid-discharging Systems that connect to the outlet is guaranteed. The before filling with the liquid in the transition area Air contained by the advance of the liquid in the direction to the outlet and displaced into the liquid removal system.
- the transition area from beginning to end one uniform cross section without abrupt transitions or corners or like.
- an area for collecting over the Inlet supplied liquid may be arranged.
- the collection area can then pass through the place with elevated Capillary force and otherwise by a capillary stop of the remaining transition area be separated.
- This capillary stop can then, after the site with the increased capillary force through the Liquid was wetted and the liquid due to the acting Capillary forces are transported along the transition area, according to and after wetting, so that the capillary stop between the Collection area and the remaining transitional area.
- the collection area can according to the invention laterally almost completely be surrounded by the transition area.
- the collection area is essentially one has circular base area, wherein the inlet of the arrangement in Center of the base of the collection area can be provided.
- transition area between the inlet and the outlet can in an inventive arrangement substantially annular be educated. This is especially the case when the Collection area has a substantially circular base.
- the capillary stop between the collection area and the Transition region may be formed according to the invention be formed by a paragraph.
- the liquid comes to the edge of the paragraph and can this due to the counteracting Do not overcome capillary forces.
- the paragraph can only then be overcome if a liquid from the other side introduces the paragraph and wets it.
- the capillary stop, as a paragraph between the collection area and the Transition region is formed, on the one hand by a compared to the transition area increased collection area or Others increased by a relative to the collection area Transition region be formed.
- An arrangement according to the invention has at least one outlet advantageous, however, several outlets for the connection of Arrangement for the liquid-discharging systems. These outlets are beneficial between the beginning and at least one end of the Transition region arranged.
- An inventive arrangement can be designed so that each one outlet for the connection of Arrangement to the liquid-discharging systems at the end, or arranged at the ends of the transition region is.
- the inlet and the outlets and in particular those attached to the Inlet and the outlets subsequent liquid-supplying or liquid-discharging systems can Orientation directions that deviate at an angle from 0 ° or 180 ° to each other. That's it in particular possible that the inlet and the outlets Orientation directions that at an angle of about 90 ° to stand by each other.
- the transition region of an arrangement according to the invention can in special configurations between the beginning and at least one of the outlets at least a second microstructure element exhibit.
- This second microstructure element or these second microstructure elements can accelerate the Transports the liquid through the transition region of the latter Start to exit.
- the first and / or the second Microstructure element to be a ramp.
- the first and / or the second microstructure element is a staircase.
- the first and / or second microstructure element may as well be at least one pillar or at least one notch.
- a microstructured device according to the invention with a System for supplying liquids (liquid-supplying system) and a system for the discharge of liquids (liquid-discharging system) may be an arrangement of have the type described above.
- the liquid-supplying system This device can as well as the liquid-draining system to be a channel.
- the transition region can be designed as a chamber be. It is also possible that the transition area and the Collection area of a device according to the invention sections to form a chamber.
- the first device shown in Figs. 1 and 2 has a Body 7, in which a recess is introduced. These Recess forms a transition region 3. Of the Transition region 3, starting a channel of a extends Liquid-discharging system 5 forms. The liquid-removing System 5 is via an outlet 4 to the transition region. 3 connected.
- the transition region 3 can be divided into two parts become. A first, the outlet 4 facing away from the first part Microstructure elements in the form of columns. This area forms a spot 6 with increased capillary force. The rest, the outlet 4 facing part is designed without special microstructure elements.
- a cover 8 covers the transition region 3 and the metrekeitsabracede system 5 from that in the area of the 6th leaves an inlet 2, over which a liquid in the Transition region 3 can be filled.
- the first Microstructure elements forming pillar 6 with elevated Capillary force cause a liquid that over the Inlet 2 is filled in the transition area 3, first completely remains at this point 6 with increased capillary force.
- the Liquid does not penetrate beyond point 6 until it reaches this point Position 6 and the area bounding the area of Transition region such as the underside of the lid 8, the side walls of the transition region 3 and the bottom of the Transition region 3 are wetted. Once a complete and complete wetting of the site 6 is done, d. H. no air is more at the point 6, more will be on the inlet 2 supplied liquid ensure that also liquid in the outlet 4 facing part of the transition region penetrates.
- a ramp 12 may be provided, the level of the bottom of the transition region 3 to the outlet 4 on raises the level of the liquid-discharging system 5.
- the entire transition region 3 in the direction of Outlet 4 taper, so that at the outlet 4 no sudden cross-sectional conditions from the transition region 3 to liquid-discharging system 5 results.
- the liquid, which in the first device according to the invention is filled through the inlet 2, can over a as liquid supplying system pipette or the like be supplied.
- the second invention shown in FIGS. 3 and 4 Device also has a body 7, in which a Recess is introduced, which forms a transition region 3.
- the transition region 3 has an inlet 2, in which a as Channel formed liquid supplying system 9 in the Transition region 3 opens.
- the transition region 3 also has an outlet 4, from which a channel formed as Liquid discharging system 5 begins extending.
- the outlet 4 is in a lateral boundary surface of the Transition region 3 is provided, namely at the inlet 2 opposite end of the transition region 3.
- the body 7 and thus also the complete transition region 3 and the lichenkeitsabracede system 5 are covered with a cover 8.
- This point 6 is formed by a notch, which causes the liquid-carrying system 9 inflowing liquid due to the increased capillary force at the Place 6 first wetted the point 6 and from there starting the Transition region 3 along the lateral boundary surface, the Bottom of the lid 8 and the bottom of the transition area is wetted.
- a liquid meniscus then moves due to the acting capillary forces from the inlet 2 via the point 6 with increased Capillary force along the transition region 3 to the outlet 4 and pushes the gas previously contained in the transition region 3 to the outlet 4.
- the third invention shown in FIGS. 5 to 8 Device has a substantially cylindrical body. 7 on.
- This body 7 has a central bore, which a liquid supplying system 9 forms and in an inlet 2 in a chamber opens through a collection area 10 and a formed the collecting region 10 surrounding transition region 3 becomes.
- the chamber is as a recess on one end of the Body 7 is provided, wherein the collecting area 10 directly to the inlet 2, the inlet 2 completely surrounding connects.
- a capillary stop 11 formed by a shoulder. Paragraph is designed so that the collecting area 10 above the Transition region 3 is sublime.
- the transition region 3 thus substantially surrounds the ring Collection area 10, where the ring is an interruption between has a beginning and an end of the transition region 3.
- the beginning and the end of the transition area 3 are by a Projection separated, which the interruption of the im Substantially annular transition region 3 forms.
- the beginning of the collecting area 3 has a point 6 with increased Capillary force on.
- the point 6 with increased capillary force is through a Notch formed, which at the capillary stop 11 between the Collection area 10 and the transition area 3 connects.
- These Notch representing a first microstructure element of the device, causes a liquid to enter through the inlet 2 Collection area 10 has occurred, due to the acting increased capillary forces to the beginning of the transition region 3 draws.
- the point 6 with increased capillary force causes further, that the At the beginning of the transition zone 3, it is completely wetted with the liquid is, before the liquid continues in the transition region. 3 penetrates.
- the fourth embodiment of an inventive Device according to FIGS. 9 to 12 essentially corresponds to the Structure of the third embodiment according to FIGS. 5 to 8.
- the Difference between the third device according to the invention and the fourth device according to the invention is essentially in that, unlike the third invention Device in the fourth device according to the invention the Collection area 10 deeper than the substantially annular Transition area 3 is located. That is, the transition region 3 is over the collection area 10 raised. Nevertheless, a paragraph forms between the collecting area 10 and the transition area 3 a Kapillarstopp 11, the entry of the liquid from the Collection area 10 in the transition area 3 alone due to Capillary forces prevented. An exception is the point 6, the am Beginning of the transition region 3 is located and an increased capillary force having. The point 6 causes a wetting of the beginning of Transition region 3 causes.
- Site 6 with increased capillary force is formed by a first microstructure element, which by a Notch, which is at the capillary stop 11 between the Collection area 10 and the transition area 3 connects.
- the Position 6 with increased capillary force causes only the first Beginning of the transition region 3 with the from the inlet 2 in the Collection area 10 entered liquid is wetted and is then a liquid meniscus along the transition region 3 of whose beginning moves to its end, gradually the Capillary stop 11 to collection area 10 cancels and the outlets. 4 wetted, so that the liquid also the liquid-discharging Systems can penetrate.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Dispersion Chemistry (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Hematology (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Coating Apparatus (AREA)
- Micromachines (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
Description
- Fig. 1
- einen Schnitt durch den Teil einer erfindungsgemäßen Vorrichtung gemäß der Linie I-I in Fig. 2,
- Fig. 2
- eine Draufsicht gemäß dem Pfeil II in Fig. 1 auf die erste erfindungsgemäße Vorrichtung,
- Fig. 3
- einen Schnitt gemäß der Linie III-III in Fig. 4 durch eine zweite erfindungsgemäße Vorrichtung,
- Fig. 4
- einen Schnitt entlang der Linie IV-IV in Fig. 3 durch die zweite erfindungsgemäße Vorrichtung,
- Fig. 5
- eine perspektivische Ansicht einer dritten erfindungsgemäßen Vorrichtung,
- Fig. 6
- eine Draufsicht auf die dritte erfindungsgemäße Vorrichtung,
- Fig. 7
- einen Schnitt entlang der Linie VII-VII in Fig. 6 durch die dritte erfindungsgemäße Vorrichtung,
- Fig. 8
- ein Schnitt entlang der Linie VIII-VIII in Fig. 6 der dritten erfindungsgemäßen Vorrichtung,
- Fig. 9
- eine perspektivische Ansicht einer vierten erfindungsgemäßen Vorrichtung,
- Fig. 10
- eine Draufsicht auf die vierte erfindungsgemäße Vorrichtung,
- Fig. 11
- einen Schnitt entlang der Linie XI-XI in Fig. 10 durch die vierte erfindungsgemäße Vorrichtung,
- Fig. 12
- einen Schnitt entlang der Linie XII-XII in Fig. 10 durch die erfindungsgemäße Vorrichtung.
Claims (26)
- Mikrostrukturierte Anordnung zur blasenfreien Befüllung zumindest eines Systems zur Ableitung von Flüssigkeiten (flüssigkeitsabführenden Systems, 5) mit einer Flüssigkeit umfassend folgende Merkmale:die Anordnung weist einen Einlass (2) für eine Verbindung der Anordnung mit einem System zur Zufuhr von Flüssigkeiten (flüssigkeitszuführendes System, 9) auf;die Anordnung weist zumindest einen Auslass (4) für eine Verbindung der Anordnung mit dem zumindest einem flüssigkeitsabführenden System (5) auf;die Anordnung weist einen Übergangsbereich (3) auf, durch welchen die Flüssigkeit von dem Einlass (2) zu dem zumindest einen Auslass (4) transportierbar ist;an einem Anfang des Übergangsbereichs (3) ist zumindest ein erstes Mikrostrukturelement zur Erzeugung einer Stelle (6) mit erhöhter Kapillarkraft vorgesehen, um eine lückenlose Benetzung der diese Stelle mit erhöhter Kapillarkraft begrenzenden Flächen, insbesondere von Seitenwänden, einer Decke und/oder eines Bodens zu erreichen und um vom Anfang des Übergangsbereichs (3) zum Ende des Übergangsbereichs, d. h. zu dem oder zu den Auslässen (4) einen sich aufgrund von Kapillarkräften ziehenden Flüssigkeitsmeniskus zu bewirken.
- Anordnung nach Anspruch 1, dadurch gekennzeichnet, dass zwischen dem Einlass und dem Übergangsbereich ein Bereich zum Sammeln der über den Einlass zugeführten Flüssigkeit (Sammelbereich, 10) angeordnet ist.
- Anordnung nach Anspruch 2, dadurch gekennzeichnet, dass der Sammelbereich (10) durch die Stelle mit erhöhter Kapillarkraft und im Übrigen durch einen Kapillarstopp (11) von dem Übergangsbereich (3) getrennt ist.
- Anordnung nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass der Sammelbereich (10) seitlich fast vollständig von dem Übergangsbereich (3) umgeben ist.
- Anordnung nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass der Sammelbereich (10) eine im Wesentlichen kreisförmige Grundfläche hat.
- Anordnung nach Anspruch 5, dadurch gekennzeichnet, dass der Einlass (2) im Zentrum der Grundfläche des Sammelbereichs (10) vorgesehen ist.
- Anordnung nach den Ansprüchen 1 bis 6, dadurch gekennzeichnet, dass der Übergangsbereich (3) im Wesentlichen ringförmig ausgebildet ist.
- Anordnung nach einem der Ansprüche 3 bis 7, dadurch gekennzeichnet, dass der Kapillarstopp (11) als Absatz zwischen Sammelbereich (10) und Übergangsbereich (3) ausgebildet ist.
- Anordnung nach Anspruch 8, dadurch gekennzeichnet, dass der Sammelbereich (10) gegenüber dem Übergangsbereich (3) erhöht ist.
- Anordnung nach Anspruch 8, dadurch gekennzeichnet, dass der Übergangsbereich (3) gegenüber dem Sammelbereich (10) erhöht ist.
- Anordnung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass Auslässe (4) für die Verbindung der Anordnung zu den flüssigkeitsabführenden Systemen (5) zwischen dem Anfang und zumindest einem Ende des Übergangsbereichs (3) angeordnet sind.
- Anordnung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass je ein Auslass (4) für die Verbindung der Anordnung zu den flüssigkeitsabführenden Systemen (5) am Ende des Übergangsbereichs (3) angeordnet ist.
- Anordnung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass der Einlass (2) und die Auslässe (4) Orientierungsrichtungen haben, die in einem Winkel abweichend von 0° bzw. 180° zueinander stehen.
- Anordnung nach Anspruch 13, dadurch gekennzeichnet, dass der Einlass (2) und die Auslässe (4) Orientierungsrichtungen haben, die in einem Winkel von ca. 90° zueinander stehen.
- Anordnung nach einen der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass der Übergangsbereich (3) zumindest ein zweites Mikrostrukturelement aufweist, das zwischen dem Anfang und dem zumindest einen Auslass angeordnet ist.
- Anordnung nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, dass das erste und/oder zweite Mikrostrukturelement eine Rampe ist.
- Anordnung nach Anspruch 15, dadurch gekennzeichnet, dass das erste und/oder zweite Mikrostrukturelement eine Treppe ist.
- Anordnung nach Anspruch 15, dadurch gekennzeichnet, dass das erste und/oder zweite Mikrostrukturelement zumindest eine Säule ist.
- Anordnung nach Anspruch 15, dadurch gekennzeichnet, dass das erste und/oder zweite Mikrostrukturelement zumindest eine Kerbe ist.
- Mikrostrukturierte Vorrichtung mit einem System zur Zufuhr von Flüssigkeiten (flüssigkeitszuführendes System, 9) und einem System zur Ableitung von Flüssigkeiten (flüssigkeitsableitendes System, 5), dadurch gekennzeichnet, dass die Vorrichtung (1a bis 1 b) eine Anordnung nach einem der Ansprüche 1 bis 19 aufweist.
- Vorrichtung nach Anspruch 20, dadurch gekennzeichnet, dass das flüssigkeitszuführende System ein Kanal (9) ist.
- Vorrichtung nach Anspruch 20 oder 21, dadurch gekennzeichnet, dass das flüssigkeitsableitende System ein Kanal (5) ist.
- Vorrichtung nach einem der Ansprüche 20 oder 21, dadurch gekennzeichnet, dass der Übergangsbereich (3) eine Kammer ist.
- Vorrichtung nach Anspruch 20 oder 21, dadurch gekennzeichnet, dass der Übergangsbereich (3) und der Sammelbereich (10) Abschnitte einer Kammer bilden.
- Verfahren zum Befüllen eines Systems zur Ableitung von Flüssigkeiten (flüssigkeitsabführendes System, 5) mit einer Anordnung nach einem der Ansprüche 1 bis 19 umfassend folgende Schritte:eine Flüssigkeit wird durch einen Einlass (2) in den Übergangsbereich (3) eingefüllt,wobei die Flüssigkeit zunächst die Stelle (6) mit erhöhter Kapillarkraft lückenlos benetzt undwobei von der Stelle (6) mit erhöhter Kapillarkraft mit der Flüssigkeit ausgehend der Übergangsbereich fortschreitend, befüllt wird,um dann über den bzw. die Auslässe (4) in ein flüssigkeitsabführendes System (5) geleitet zu werden.
- Verfahren nach Anspruch 23, dadurch gekennzeichnet, dass die Transportrichtung der Flüssigkeit beim Transport durch den Transportbereich (3) von dem Einlass (2) zu dem Auslass (4) bzw. den Auslässen (4) um ca. 90° geändert wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10360220 | 2003-12-20 | ||
DE10360220A DE10360220A1 (de) | 2003-12-20 | 2003-12-20 | Mikrostrukturierte Anordnung zur blasenfreien Befüllung zumindest eines Systems zur Ableitung von Flüssigkeiten, Vorrichtung mit einer solchen Anordnung und Befüllungsverfahren |
Publications (3)
Publication Number | Publication Date |
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EP1559676A2 true EP1559676A2 (de) | 2005-08-03 |
EP1559676A3 EP1559676A3 (de) | 2008-12-03 |
EP1559676B1 EP1559676B1 (de) | 2016-06-29 |
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EP04029633.7A Active EP1559676B1 (de) | 2003-12-20 | 2004-12-15 | Mikrostrukturierte anordnung zur blasenfreien befüllung zumindest eines systems zur ableitung von flüssigkeiten, vorrichtung mit einer solchen anordnung und befüllungsverfahren |
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US (1) | US7485118B2 (de) |
EP (1) | EP1559676B1 (de) |
JP (1) | JP4931345B2 (de) |
CN (2) | CN1695808A (de) |
DE (1) | DE10360220A1 (de) |
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WO2009106331A2 (de) * | 2008-02-27 | 2009-09-03 | Boehringer Ingelheim Microparts Gmbh | Vorrichtung zur plasmaseparation |
WO2012055707A1 (de) * | 2010-10-28 | 2012-05-03 | Roche Diagnostics Gmbh | Mikrofluidischer testträger zum aufteilen einer flüssigkeitsmenge in teilmengen |
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JP5059880B2 (ja) * | 2008-02-01 | 2012-10-31 | 日本電信電話株式会社 | フローセル |
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KR100998535B1 (ko) | 2008-04-11 | 2010-12-07 | 인싸이토 주식회사 | 나노틈새를 가지는 미세유체 채널이 구비된 미세유체회로소자 및 이의 제조 방법 |
KR101390717B1 (ko) * | 2008-09-02 | 2014-04-30 | 삼성전자주식회사 | 미세유동장치 및 미세유동장치에의 시료주입방법 |
EP2213364A1 (de) * | 2009-01-30 | 2010-08-04 | Albert-Ludwigs-Universität Freiburg | Phasenleitermuster für Flüssigkeitsmanipulation |
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WO2017117553A1 (en) * | 2015-12-31 | 2017-07-06 | Mec Dynamics | Micro mechanical methods and systems for performing assays |
US10258741B2 (en) | 2016-12-28 | 2019-04-16 | Cequr Sa | Microfluidic flow restrictor and system |
WO2018127293A1 (en) * | 2017-01-09 | 2018-07-12 | Huawei Technologies Co., Ltd. | Electro hydro dynamic apparatus and system comprising an electro hydro dynamic apparatus |
CN108722504A (zh) * | 2017-04-19 | 2018-11-02 | 光宝电子(广州)有限公司 | 检测装置及其注入口结构 |
KR102012243B1 (ko) * | 2017-09-19 | 2019-11-04 | 한국기계연구원 | 미세 서브 유로를 갖는 마이크로 유체 소자 및 이를 제조하기 위한 몰드 |
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- 2004-12-20 CN CNA2004100942165A patent/CN1695808A/zh active Pending
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EP1977829A1 (de) * | 2007-03-29 | 2008-10-08 | Roche Diagnostics GmbH | Vorrichtung zur parallelen Durchführung mehrerer Analysen |
WO2009106331A2 (de) * | 2008-02-27 | 2009-09-03 | Boehringer Ingelheim Microparts Gmbh | Vorrichtung zur plasmaseparation |
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US9539572B2 (en) | 2008-02-27 | 2017-01-10 | Boehringer Ingelheim Microparts Gmbh | Apparatus for the separation of plasma |
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Also Published As
Publication number | Publication date |
---|---|
US20050169778A1 (en) | 2005-08-04 |
CN101632947B (zh) | 2012-08-08 |
US7485118B2 (en) | 2009-02-03 |
CN1695808A (zh) | 2005-11-16 |
DE10360220A1 (de) | 2005-07-21 |
EP1559676A3 (de) | 2008-12-03 |
JP2005177754A (ja) | 2005-07-07 |
JP4931345B2 (ja) | 2012-05-16 |
CN101632947A (zh) | 2010-01-27 |
EP1559676B1 (de) | 2016-06-29 |
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