Under negative staining electron microscopy, the keratin was a filament with a diameter of 80-100A.

用电镜负染技术观察角蛋白细丝并测定其直径为80～100A。

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Under negative staining electron microscopy, the keratin was a filament with a diameter of 80-100A.

用电镜负染技术观察角蛋白细丝并测定其直径为80～100A。

youdao