Abstract:
THE99Tcm┐LABELINGOFDIAMINO┐DITHIOLCOMPLEXESASBRAINIMAGINGAGENTSANDPRELIMINARYBIODISTRIBUTIONYanJunhuaLiDeyouChenLanfu(InstituteofPharmacologyandToxicology,AcademyofMilitaryMedicalSciences,Beijing100850)ABSTRACTSixkindsofdiamino-dithiolcompoundsarelabeledwith99Tcmbyligandsexchangereac-tion.Theirligandsexchangepercentageisover95%.Thebiodistributionofoneofthesecompoundsinmiceshows0.88%brainuptakeaftertwominutesand0.28%after15min-utesrespectively.Althoughthebrainuptakeislowerforthiscompound,ithaslongerreten-tioninbrain.So,theexperimentresultsarevaluabletothedesignofnewbrainimaginga-gentinthefuture.Keywords99Tcm-labelingbrainimagingagentsdiamino-dithiolcomplexesanimalbiodistribution