Chemistry: analytical and immunological testing – Including sample preparation – Volumetric liquid transfer
Patent
1996-04-18
1999-01-05
Alexander, Lyle A.
Chemistry: analytical and immunological testing
Including sample preparation
Volumetric liquid transfer
422 8205, G01N 3348
Patent
active
058562001
ABSTRACT:
The present invention relates to a method and a device for metering liquids, wherein the volume of a droplet of a sample liquid is determined by means of optical measuring. The liquid to be metered is brought into contact with a transfer element so that a droplet adheres to the transfer element. The transfer element and the liquid adhering thereto are illuminated from one or several directions and the resulting images are displayed on an optical sensor. The liquid volume is determined on the basis of these images. Metering is accomplished by transferring the liquid volume adhering to the transfer element into an analysis vessel.
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Klose Sigmar
Krause Friedemann
Alexander Lyle A.
Boehringer Mannheim GmbH
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