摘要：MONODISPERSE FE3O4 MAGNETIC PARTICLES ADSORPTED WITH CARBOXYMETHYL CHITOSAN WAS PREPARED BY MEANS O...MONODISPERSE FE3O4 MAGNETIC PARTICLES ADSORPTED WITH CARBOXYMETHYL CHITOSAN WAS PREPARED BY MEANS OF ONE-STEP CO-PRECIPITATION METHOD. THE ABSORPTION PROPERTIES OF SAMPLES WERE CHARACTERIZED BY XRD, FTIR, TG, SEM, AND VIBRATION MAGNETOMETER. THE CARBOXYMETHYL CHITOSAN-BOUND MAGNETIC PARTICLES ARE STABLE AND ITS PARTICLES HIGHEST SATURATE MAGNETISM STRENGTH σS CAN BE 39.9EMμ/G. THE DIAMETER OF MODIFIED NANO-PARTICLES WAS ABOUT 24.5NM, AND THE WEIGHT PERCENTAGE OF CARBOXYMETHYL CHITOSAN TO FE3O4 NANOPARTICLES WAS ESTIMATED TO BE ABOUT 9 WT. ％. THE RESULTS PRESENTED IN THIS REPORT SHOW THAT MAGNETIC PARTICLES ARE SUITABLE FOR FUTURE NANO-MAGNETIC CARRIER OF MEDICINE AND DEMONSTRATED THAT ONE-STEP CO-PRECIPITATION PROCESS CAN BE A BETTER METHOD FOR THE KIND OF MAGNETIC PARTICLES.显示全部
