Aseptic Technique
Working with Microbes
*****Absent for day when Results were received.*****
Adam Galevski 10G2
goal:
To record and observe the effects of E-Coli on an Agar yellowish pink when left in freezing temperatures for a couple of days.
meditation:
I believe that the E-Coli will spread randomly and keep on the zig-zag shape clear and identifiable.
Materials:
Inoculating entwine
Para Film
Agar Dish
bunsen burner Burner
E-Coli sample
Method:
1. The Bunsen burner was turned off and all of the essential equipment was placed completion to the work area around the point of view of the Bunsen burner.
2. The bench area was wiped down with diluted ethyl alcohol spray, the Prac did not proceed until the Ethanol evaporated, so it would not becharm on fire.
3. The Bunsen burner was lit and turned to a begrimed flame.
4. The tip of the Inoculating loop was gradually moved rearwards and forwards through the top part of the flame. The wire became blushful at the tip but not white to in full sterilise.
5. The Inoculating Loop was removed from the flame then held in the area just below the flame, heating the wire Loop this way killed off any traces of microbes. It was allowed to cool for a hardly a(prenominal) seconds did not touch anything so it was not contaminated again.
6.
apply the Inoculating Loop, a thin line was drawn crossways the middle of the Agar dish.
7. The Inoculating Loop was then sterilise again by heating the tip of the Bunsen burner and held close to the flame before starting the next step.
8. With the opposite baseball glove the container with the microbes specimen was quickly opened and the sterile Inoculating Loop tip was dipped into the specimen. The lid was then closed.
9. The lid of branch medium was opened and the tip of the Inoculating Loop was thinly rubbed in a zigzag pattern across the surface, opus avoiding gouging holes into the agar.
10. The lid was then closed and the Inoculating Loop sterilized through heating by Bunsen burner.
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