EP 1419818 A1 20040519 - Device for sequential transport of liquids by capillary forces
Title (en)
Device for sequential transport of liquids by capillary forces
Title (de)
Vorrichtung zum schrittweisen Transport von Flüssigkeit unter Ausnutzung von Kapillarkräften
Title (fr)
Dispositif pour le transport de liquide avec des forces capillaires
Publication
Application
Priority
DE 10254874 A 20021114
Abstract (en)
The apparatus (10) to move fluid samples in steps, using capillary forces, has a capillary channel (14) for the interconnected reaction chambers. At least two closed ventilation openings (38,40,42) are located at intervals along the channel, with channel connections (22,24,26) for fluid flows, and which divide the capillary channel into sections (44,46,48). The apparatus (10) to move fluid samples in steps, using capillary forces, has a capillary channel (14) for the interconnected reaction chambers. At least two closed ventilation openings (38,40,42) are located at intervals along the channel, with channel connections (22,24,26) for fluid flows, and which divide the capillary channel into sections (44,46,48). The ventilation openings are opened separately, to give flows between the channel sections. Each channel section has at least one chamber (50,52,54) in front of the ventilation connection, in the flow direction.
Abstract (de)
Die Vorrichtung (10) zum schrittweisen Transport von Flüssigkeit, insbesondere von zu untersuchender Probenflüssigkeit, durch mehrere strömungstechnisch in Reihe liegende Reaktionskammern unter Ausnutzung von Kapillarkräften weist mindestens einen Kanal (14) auf, durch den Flüssigkeit auf Grund von Kapillarkräften transportierbar ist. Ferner weist die Vorrichtung (10) mindestens zwei verschlossene Entlüftungsöffnungen (38,40,42) auf, die an längs des Kanals (14) voneinander beabstandeten Verbindungsstellen (22,24,26) in Fluidverbindung mit dem Kanal (14) stehen. Die Verbindungsstellen (22,24,26) unterteilen den Kanal (14) in mehrere Kanalabschnitte (44,46,48). Die Fluidverbindungen zwischen jeweils einem Kanalabschnitt (44,46,48) und der diesem zugeordneten Entlüftungsöffnungen (38,40,42) können einzeln geöffnet werden. <IMAGE>
IPC 1-7
IPC 8 full level
B01L 3/00 (2006.01); G01N 35/08 (2006.01); G01N 37/00 (2006.01)
CPC (source: EP US)
B01L 3/50273 (2013.01 - EP US); B01L 3/502738 (2013.01 - EP US); B01L 2200/0621 (2013.01 - EP US); B01L 2300/044 (2013.01 - EP US); B01L 2300/0864 (2013.01 - EP US); B01L 2300/087 (2013.01 - EP US); B01L 2400/0406 (2013.01 - EP US); B01L 2400/0677 (2013.01 - EP US); B01L 2400/0688 (2013.01 - EP US); B01L 2400/0694 (2013.01 - EP US)
Citation (search report)
- [XY] US 4849340 A 19890718 - OBERHARDT BRUCE [US]
- [YA] WO 0164344 A2 20010907 - MICROCHIPS INC [US]
- [X] US 3799742 A 19740326 - COLEMAN C
- [X] US 5242606 A 19930907 - BRAYNIN BORIS [US], et al
- [X] US 5478751 A 19951226 - OOSTA GARY M [US], et al
- [X] US 5230866 A 19930727 - SHARTLE ROBERT [US], et al
- [X] WO 9946045 A1 19990916 - MICROPARTS GMBH [DE], et al
- [A] WO 0242650 A1 20020530 - PYROSEQUENCING AB [SE], et al
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1419818 A1 20040519; EP 1419818 B1 20131030; CN 100571871 C 20091223; CN 1500555 A 20040602; JP 2004170408 A 20040617; US 2004096358 A1 20040520; US 7316802 B2 20080108
DOCDB simple family (application)
EP 03025615 A 20031106; CN 200310116502 A 20031114; JP 2003379659 A 20031110; US 70602803 A 20031113