Abstract:
ASIMPLEMETHODFORPREPARINGMETALLOTHIONEINYuMeixiangHeYoufeng*ZhouLeng*LiuYibing*HanShiquan*ZhaoYonggang*WangWenqing(PeikingUniversity,Beijing100871)(*ChinaInstituteofAtomicEnergy,Bejing102413)ABSTRACTInthepresentmethod,CdCl2isinjectedintoarabbittoinducesynthesizingmetaloth-ionein(MT).Thentherabbitliveristakenout,homogenizedandcentrifugalized.Bycom-biningtheseparatingtechniquesthroughheatingandethanolprecipitatingwithchro-matographictreatmentoncolumnsSephadexG-50,DEAE-SepharoseandSephadexG-25,highpurityMT-1andMT-2areobtained.Inordertoverifythereliabilityofthemethod,atestiscariedoutwith109Cdasatracer.TheresultsshowthattheproductreachesthedesiredHPLCpurity.Themethodadoptslowspeedcentrifugeandultravioletmonitoring;there-fore,nomeasurementoftheamountofmetalicionsisneededtodeterminethepositionofMT.Asaresult,thepresentmethodhastheadvantagesofbeingsimpleandfast,andissuitableforextractingandseparatingofMTinlaboratory.Keywordsmetalothionein109Cdtracerseparation