FIELD: chemical technology.
SUBSTANCE: invention describes a method for preparing immobilized β-cyclodextrin. Method involves pretreatment of organic and inorganic sorbents - polyvinyl alcohol and sorbitol based on silica with glutaraldehyde for incorporation of aldehyde group molecules into sorbents, washing out with water and dimethylsulfoxide on glass porous filter, drying on glass porous filter followed by addition of prepared sorbents to dimethylsulfoxide solution containing dissolved β-cyclodextrin in the ratio sorbent : β-cyclodextrin : dimethylsulfoxide = 1.0:(0.4- 2.0);10, respectively, stirring the prepared suspension at temperature 25-70°C for 30-180 min, washing out and drying. Method provides preparing an insoluble sorbent with immobilized β-cyclodextrin used for removing cholesterol or its derivatives.
EFFECT: improved preparing method.
5 ex
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Authors
Dates
2007-03-20—Published
2006-03-28—Filed