UAR - EMS Stain
EMS Catalog #22405
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:
- For most samples, including but not limited to, virus', dilute by 4x in distilled water
- If you are working with Bacillus, then a dilution of 15-40x is needed.
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.