EPMA-8050G - 应用

Electron Probe Microanalyzer

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应用

无铅焊锡焊料中Ag与Cu的分布

对无铅焊锡焊料中大量含有Ag的区域进行面分析的数据。（加速电压：10kV；照射电流：20nA）
Ag的X射线像中颗粒形状与BSE像（COMPO）的颗粒形状一致。直径约0.1μm的Ag颗粒也清晰可辨（红色虚线圈出）。同时可确认Cu颗粒的存在（黄色虚线圈出）。

 

生物体组织中的金属元素

以下数据为EPMA捕捉到的肿瘤细胞中铂（Pt）元素图像，通过靶向给药将抗肿瘤药物卡铂（铂络合物）导入小鼠头颈部肿瘤组织中后进行分析检测。
卡铂通过与癌细胞内的遗传因子DNA链结合，阻碍DNA的分裂（复制）以杀灭癌细胞，我们可以通过元素图像了解抗癌药物以何种形态进入癌细胞内。