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...
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| creator | KNOPF, ULRICH C..., FREIBURG/FRIBOURG, CH |
| description | 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. |
| format | Patent |
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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.</description><edition>4</edition><language>eng ; ger</language><subject>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</subject><creationdate>1988</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19881013&DB=EPODOC&CC=DE&NR=3808798A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19881013&DB=EPODOC&CC=DE&NR=3808798A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KNOPF, ULRICH C..., FREIBURG/FRIBOURG, CH</creatorcontrib><title>Device for counting, classifying and sorting particles suspended in a flowing liquid and use of this device</title><description>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.</description><subject>BEER</subject><subject>BIOCHEMISTRY</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS THEREOF</subject><subject>CULTURE MEDIA</subject><subject>ENZYMOLOGY</subject><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</subject><subject>MEASURING</subject><subject>METALLURGY</subject><subject>MICROBIOLOGY</subject><subject>MICROORGANISMS OR ENZYMES</subject><subject>MUTATION OR GENETIC ENGINEERING</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>POSTAL SORTING</subject><subject>PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS</subject><subject>SEPARATING SOLIDS FROM SOLIDS</subject><subject>SORTING</subject><subject>SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTEDPIECE-MEAL, e.g. BY PICKING</subject><subject>SPIRITS</subject><subject>TESTING</subject><subject>TRANSPORTING</subject><subject>VINEGAR</subject><subject>WINE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1988</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjUEKwjAURLtxIeod5gAKShfGpdiKB3BfQvKjH0MS-xPF29sWD-DqMcwbZl49GnqxIbjYw8QSMofbGsZrEXafIUAHC4n9WCDpgcaTQIokCpYsOEDD-fgeBc_PwnbaFCFEh3xngZ1OltXMaS-0-nFR4dxeT5cNpdiRJG0oUO6atlZbtT-o467-Q_kCPARAvA</recordid><startdate>19881013</startdate><enddate>19881013</enddate><creator>KNOPF, ULRICH C..., FREIBURG/FRIBOURG, CH</creator><scope>EVB</scope></search><sort><creationdate>19881013</creationdate><title>Device for counting, classifying and sorting particles suspended in a flowing liquid and use of this device</title><author>KNOPF, ULRICH C..., FREIBURG/FRIBOURG, CH</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_DE3808798A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; ger</language><creationdate>1988</creationdate><topic>BEER</topic><topic>BIOCHEMISTRY</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS THEREOF</topic><topic>CULTURE MEDIA</topic><topic>ENZYMOLOGY</topic><topic>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</topic><topic>MEASURING</topic><topic>METALLURGY</topic><topic>MICROBIOLOGY</topic><topic>MICROORGANISMS OR ENZYMES</topic><topic>MUTATION OR GENETIC ENGINEERING</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>POSTAL SORTING</topic><topic>PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS</topic><topic>SEPARATING SOLIDS FROM SOLIDS</topic><topic>SORTING</topic><topic>SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTEDPIECE-MEAL, e.g. BY PICKING</topic><topic>SPIRITS</topic><topic>TESTING</topic><topic>TRANSPORTING</topic><topic>VINEGAR</topic><topic>WINE</topic><toplevel>online_resources</toplevel><creatorcontrib>KNOPF, ULRICH C..., FREIBURG/FRIBOURG, CH</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KNOPF, ULRICH C..., FREIBURG/FRIBOURG, CH</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Device for counting, classifying and sorting particles suspended in a flowing liquid and use of this device</title><date>1988-10-13</date><risdate>1988</risdate><abstract>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.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; ger |
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| subjects | 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 |
| title | Device for counting, classifying and sorting particles suspended in a flowing liquid and use of this device |
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