How to Prepare a Smear for Staining


Step 1:  Sterilize inoculating loop

Step 2:  

Broth cultures:  Agitate culture to re-suspend bacteria.  Obtain a loopful of broth culture and place on slide.  Agar plates:  Obtain a small amount of bacteria on the sterile loop and place in a drop of water on the slide.

"Smear" liquid around with loop to make a thin, uniform film on the slide.

Step 3:  Air dry completely.

 

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