Science Image Library: Simple Bacterial Stains

Science Image Library
​Simple Stains of Bacteria

from Science Prof Online

Simple Crystal Violet Stain of E. coli

Bacillus subtilis Simple Stain Photos (Click  on image to enlarge.)
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Prokaryotic Cell, Mariana Ruiz
Staphylococcus epidermidis stained with crystal violet @ 1000xTM.
Page last updated 5/2014

1. Bacillus subtilis stained with crystal violet @ 100xTM. It is not possible to see individual bacteria at this magnification, but viewing at 100XTM is a necessary step in focusing to scope to see at higher magnifications. 2. Bacillus subtilis stained with crystal violet @ 1000xTM. Note large number of endospores.
E. coli Simple Stain Photos  (Click on image to enlarge.)
Staphylococcus Simple Stain Photos (Click on image to enlarge.)
1. E. coli stained with crystal violet @ 100xTM. It is not possible to see individual bacteria at this magnification, but viewing at 100XTM is a necessary step in focusing to scope to see at higher magnifications. 2. E. coli stained with crystal violet @ 1000xTM. 
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compound light microscope was used to obtain all microscopic photos on this page.
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Photographic guides to differential stains 
now available!
1. Gram
2. Acid-fast
3. Endopsore

Biological Cell Staining Resources