MAGNETIC BEADS

The present invention relates to magnetic beads in the form of composite beads with an inner core of metal particles, which are coated with an inert synthetic polymer and thereafter a hydrophilic porous polymer, preferably dextran. This provides porous biocompatible beads without metal leakage. This...

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Bibliographische Detailangaben
Hauptverfasser:	HOLMGREN, EVA, NORRMAN, NILS, AXEN, ANDREAS, SOEDERMAN, TOBIAS, E
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BASIC ELECTRIC ELEMENTS BEER BIOCHEMISTRY CASTING CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ELECTRICITY ENZYMOLOGY INDUCTANCES INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MAGNETS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MEASURING METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING PERFORMING OPERATIONS PHYSICS POWDER METALLURGY PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SPIRITS TESTING TRANSFORMERS TRANSPORTING VINEGAR WINE WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	The present invention relates to magnetic beads in the form of composite beads with an inner core of metal particles, which are coated with an inert synthetic polymer and thereafter a hydrophilic porous polymer, preferably dextran. This provides porous biocompatible beads without metal leakage. This construction also allows for simple and convenient handling of cell expansion media by magnetism. La présente invention a trait à des billes magnétiques sous forme de billes composites au noyau intérieur de particules métalliques, enrobées d'un polymère synthétique inerte, puis d'un polymère poreux hydrophile, de préférence du dextran. On obtient ainsi des billes biocompatibles poreuses sans fuites de rayonnement métallique. L'ensemble permet également la manipulation simple et pratique de milieu d'expansion cellulaire par magnétisme.