Device for receiving, dispensing, and moving liquids

A microfluidic system, comprising:

• a planar structured component being essentially flat or plate-like having one longitudinal extension and a shorter lateral extension, and
• an other planar component being essentially flat or plate-like,
• the planar structured component having a chamber and a channel system, wherein the chamber and the channel system are formed as recesses into the planar structured component from a same planar surface, so that the channel system and the chamber are open at said same planar surface, wherein the channel extends in longitudinal direction of the planar structured component and is connected to the chamber,
• the other planar component being attached to the planar surface of the planar structured component, so that the chamber and the channel system are formed by the planar structured component and the other planar component, so that the chamber and the channel system are liquid-tight closed at the surface of the planar structured component,
• wherein the chamber is fluidically connected to the outside via the channel system and at least one fluidic interface, wherein the fluidic interface is formed at a lateral side surface of the planar structured component and protrudes as a projection from the lateral side surface of the planar structured component,
• wherein the other planar component being attached to the planar surface of the planar structured component has a flexible and movable portion at least partially adjacent to the chamber,
• wherein the flexible and movable portion is adapted to be pushed by a pressure applied by a thumb from outside due to its flexibility into the chamber in a direction perpendicular to the chamber and channel system, so that liquids or gases can be taken in or discharged via the at least one fluidic interface or moved in the microfluidic system, wherein the flexible and movable portion automatically moves back due to its material properties after being pushed into the chamber by actuation of the thumb.