Device for counting, classifying and sorting particles suspended in a flowing liquid and use of this device

Device for optical counting, classification and subsequent sorting of microscopic particles, preferably of biological origin. The particles are suspended in a liquid and, surrounded by a particle-free enveloping current, passed successively through a counting chamber and a piezoelectrically actuated...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	KNOPF, ULRICH C..., FREIBURG/FRIBOURG, CH
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING PERFORMING OPERATIONS PHYSICS POSTAL SORTING PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SEPARATING SOLIDS FROM SOLIDS SORTING SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTEDPIECE-MEAL, e.g. BY PICKING SPIRITS TESTING TRANSPORTING VINEGAR WINE
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Beschreibung
Zusammenfassung:	Device for optical counting, classification and subsequent sorting of microscopic particles, preferably of biological origin. The particles are suspended in a liquid and, surrounded by a particle-free enveloping current, passed successively through a counting chamber and a piezoelectrically actuated liquid switch in which individual particles identified by the optical device can be sorted out on the basis of their size, colour or fluorescence. A suction device for blocking particles and/or for air bubbles is arranged in the counting chamber. Disturbances can thus be overcome without opening the counting chamber and consequent loss of sterility.