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[求助] TEM方法求助

请各位高手看看图片,是做蛋白的TEM。主要是后面的一半不懂,
For rotary shadowing, sample proteins were suspended in
solutions of 50% glycerol containing 0.4 M ammonium acetate,
pH 7.2. Sample suspensions were sprayed on mica sheets and then
the platinum–carbon was shadowed, while rotating with an electron
beam evaporator (JFD-9010, JOEL, Tokyo, Japan). Following
these treatments, the replica was floated off on water and picked
up on a copper grid. Samples were observed under a transmission
electron microscope.
有知道麻烦告知!重谢!

TEM方法求助
TEM.jpg
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