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shanjian8208

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[ÇóÖú] ¹ØÓÚFe3O4ÄÉÃ×΢Á£±íÃæÛÏ»ù»ò°±»ù¸ÄÐÔµÄ×î¼ÑºÏ³É·½·¨

×î½üÏë¶ÔFe3O4ÄÉÃ׿ÅÁ£½øÐÐÛÏ»ù¸ÄÐÔ£¬Ê¹ÓõÄÊÇMPS£¬·´Ó¦Ìõ¼þÈçÏ£ºModification of MCNCs with MPS was achieved by adding 80 mL of ethanol, 10 mL of deionized water, 1.5 mL of NH3ּH2O, and 0.3 g of MPS into the above ethanol suspension and ultrasounding the mixture for 24 h at 60¡æ. µ«ÊǸоõû½ÓÉÏÈ¥£¬²»ÖªµÀÕâ·½·¨ÓÐû²»ºÏÀíÖ®´¦£¿ÁíÍâÏëÇëÄÇ´ó¿´¿´ÒÔÏÂÁ½ÖÖ·½·¨ÔõôÑù£¿
1¡¢Fe3O4 ÄÉÃ׿ÅÁ£¼ÓÈë100 mLÒÒ´¼Ë®ÈÜÒºÖÐ(50%)£¬Óñù´×Ëáµ÷½ÚpHÖÁ4£¬ÊÒÎÂϳ¬Éù·ÖÉ¢1h£¬¼ÓÈë1 mL¹èÍ黯ÊÔ¼ÁMPS£¬N2±£»¤£¬60¡æÏ·´Ó¦10 h¡£
2¡¢Fe3O4 nanoparticles were first dispersed in 20mL deionized-distilled water. Then, the 1 mL of 2.5 mg/mL Fe3O4 nanoparticles solution was dispersed in 5 mL ethanol and sonicated under water bath for 8 h. Meanwhile, 0.3 mL of MPS was added into the 5 mL of ethanol and 0.4 mL of 25% HAc to hydrolyse and condense by sonicating in an ice bath for 30 min. Subsequently, the hydrolysed and condensed MPS (5.3 mL) was added into thus obtained Fe3O4 nanoparticles solution (5.6 mL) by sonicating in an ice bath.

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