Negative Staining and Image Classification – Powerful Tools in Modern Electron Microscopy

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Negative Staining and Image Classification – Powerful Tools in Modern Electron Microscopy

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Title: Negative Staining and Image Classification – Powerful Tools in Modern Electron Microscopy
Author: Ohi, Melanie; Cheng, Yifan; Li, Ying; Walz, Thomas

Note: Order does not necessarily reflect citation order of authors.

Citation: Ohi, Melanie, Ying Li, Yifan Cheng, and Thomas Walz. 2004. Negative Staining and Image Classification - Powerful Tools in Modern Electron Microscopy. Biological Procedures Online 6(1): 23-34.
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Abstract: Vitrification is the state-of-the-art specimen preparation technique for molecular electron microscopy (EM) and therefore negative staining may appear to be an outdated approach. In this paper we illustrate the specific advantages of negative staining, ensuring that this technique will remain an important tool for the study of biological macromolecules. Due to the higher image contrast, much smaller molecules can be visualized by negative staining. Also, while molecules prepared by vitrification usually adopt random orientations in the amorphous ice layer, negative staining tends to induce preferred orientations of the molecules on the carbon support film. Combining negative staining with image classification techniques makes it possible to work with very heterogeneous molecule populations, which are difficult or even impossible to analyze using vitrified specimens.
Published Version: doi:10.1251/bpo70
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC389902/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:4742426

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