SYNTHESIS OF SUPERPARAMAGNETIC OXIDE COLLOID COATED WITH POLYSACCHARIDE

PROBLEM TO BE SOLVED: To provide a method for synthesizing colloid containing superparamagnetic metal oxide coated with a polymer. SOLUTION: The method for synthesizing the colloid containing the superparamagnetic metal oxide coated with the polymer comprises (i) a step for giving an acidic solution...

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Bibliographische Detailangaben
Hauptverfasser: JOSEPHSON LEE, PALMACCI STEPHEN, GROMAN ERNEST V
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a method for synthesizing colloid containing superparamagnetic metal oxide coated with a polymer. SOLUTION: The method for synthesizing the colloid containing the superparamagnetic metal oxide coated with the polymer comprises (i) a step for giving an acidic solution containing a metal salt and a polymer, (ii) a step for cooling the solution obtained in the step (i), (iii) a step for neutralizing the solution obtained in the step (ii) by controlled addition of cooled solution of a base and (iv) a step for obtaining colloid of superparamagnetic metal oxide by heating the solution obtained in the step (iii). COPYRIGHT: (C)2006,JPO&NCIPI