KAPSELEXTRUSIONSSYSTEME

Methods for producing cell capsules are disclosed in which a coagulant (22), which can include a cell suspension or other biologically active factor, and a polymeric casting solution (26) are extruded through a common extrusion port (14) having at least two concentric bores, such that the coagulant...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	AEBISCHER, PATRICK, BARRINGTON, RI 02806, US, MILLS, JOHN, F., WAKEFIELD, RI 02879, US, WAHLBERG, LARS, PROVIDENCE, RI 02906, US, TRESCO, PATRICK A., SALT LAKE CITY, UT 84117, US, DOHERTY, EDWARD, J., MANSFIELD, MA 02048, US
Format:	Patent
Sprache:	ger
Schlagworte:	APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY BABY COMFORTERS BEER BIOCHEMISTRY CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICALPURPOSES CULTURE MEDIA DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY DEVICES FOR RECEIVING SPITTLE DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGINGPHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL ORADMINISTERING FORMS ENZYMOLOGY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS THEIR RELEVANT APPARATUS TRANSPORTING VINEGAR WINE
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Beschreibung
Zusammenfassung:	Methods for producing cell capsules are disclosed in which a coagulant (22), which can include a cell suspension or other biologically active factor, and a polymeric casting solution (26) are extruded through a common extrusion port (14) having at least two concentric bores, such that the coagulant is extruded through the inner bore (16) and the polymeric casting solution is extruded through the outer bore (18). The method involves initiating extrusion of the coagulant within a temporal range of about 10 msecs to about one second from initiating delivery of the casting solution through the respective bores. Delivery of the coagulant is then shut off, and extrusion of the casting solution is terminated either immediately or after some predetermined time.