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EMS’ UAR-EMS Stain is a new negative stain which may be used as an alternative to Uranyl Acetate (cat. 22400).
The UAR Stain is supplied as a concentrate. Please use the following dilutions:
Staining will take place in 30 minutes at room temperature. For increased contrast of the stain, simply adjust the staining time.
Nakakoshi, Masamichi, Hideo Nishioka and Eisaku Katayama, 2011. New versatile reagents for biological transmission electron microscopy that substitute for uranyl acetate. Journal of Electron Microscopy, 60(6): 401-407.