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氧化铒纳米颗粒对 U937 淋巴瘤细胞的强效杀伤作用及机制探索
首先,XRD 和 TEM 结果显示,Er 2 O 3-NPs 呈现出立方和球形形态,纯度高且分散均匀,平均粒径为 60.67±4.43nm。WST-1 实验表明,Er 2 O 3-NPs 对 U937 淋巴瘤细胞具有很强的细胞毒性,其半数抑制浓度(IC50)为 3.20μg/ml,随着浓度增加,细胞活力显著下降。碱性彗星实验 ...
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