CN

陈克正

Professor

Supervisor of Doctorate Candidates

Supervisor of Master's Candidates

Date of Birth:1965-10-27

Paper Publications

γ-Fe_2O_3/ZnS磁性-荧光纳米复合粒子的制备与表征

Release time:2020-12-04 Hits:

Key Words:磁性纳米粒子;;γ-Fe_2O_3;;ZnS;;细胞毒性

Abstract:通过原位复合生成法制备了γ-Fe_2O_3/ZnS磁性-荧光纳米复合粒子,并对其磁性能和荧光性能进行了研究和表征。首先采用化学共沉淀法制得粒径约5~10nm的Fe_3O_4磁性纳米粒子,进一步将其氧化为γ-Fe_2O_3,并用柠檬酸钠对其进行表面修饰。然后,加入锌源和硫源,获得粒径为100~200nm的γ-Fe_2O_3/ZnS纳米复合粒子。产物形貌通过TEM、SEM进行表征,磁性能和荧光性能分别借助磁性能测量系统和荧光光谱仪进行分析。采用MTT法研究了其对人宫颈癌细胞(Hela细胞)的体外细胞毒性。

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