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J Microsc. 1983 May;130(Pt 2):225-32.

Combining accurate defocus with low-dose imaging in high resolution electron microscopy of biological material.


High resolution (less than 2 nm) electron microscopy of biological specimens requires three exacting conditions to be met simultaneously: (a) fine specimen detail must be protected from destruction by the electron beam (low dose), (b) the electron optics must be adjusted to be capable of imaging that detail interpretably (accurate defocus), and (c) a suitable field of interest must be identified. We describe a method encompassing all three with an 80% success rate using only minor modifications to a transmission electron microscope, and no expensive on-line computing.

[Indexed for MEDLINE]

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