Eppendorf Ag

Roger Blum

Lutz Timmann

Dietmar Sander

Gerhard Hofmeier

Rüdiger Huhn

Rudiger Huhn

Sabine Kadow

Lutz Dipl-Ing Timmann

Dietmar Dr-Ing Sander

Rüdiger Dipl-Ing Huhn

The present invention relates to the use of food colors for coloring enzyme solutions, to enzyme solutions provided with food colors as well as their use.

Use of food colours to dye enzyme solutions

A microfluidic accumulating and proportioning component, including:

Microfluidic accumulating and proportioning component

A pipetting system including a syringe ( ), a working piston ( ) connectable with the syringe piston ( ) and extending into a working chamber ( ), an actuating piston ( ) extending into the working chamber, and a storage chamber ( ) connected with the working chamber ( ) by a valve ( ) that provides for flow of the hydraulic liquid, which fills both chambers, from the working chamber ( ) into the storage chamber when the working piston ( ) is displaced into the working chamber ( ), for flow of the hydraulic fluid from the storage chamber ( ) into the working chamber ( ) when the actuating piston is displaced out of the working chamber, and that separates the storage and working chambers ( ) when the actuating piston ( ) is advanced into the working chamber.

Repeater pipette with a hydraulic operating device

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Hamburg, Germany

Roger Blum