Serial dilution

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Serial dilution

  1. 1. Announcement<br />Next test (Test 2) is on March 22nd, 2011 Tuesday at the big Hall 8pm<br />Test 4 is on April 5th, 2011 Tuesday at the big Hall 8pm<br />
  2. 2. Serial Dilution<br />Pay attention as I’m going to Quiz you on this<br />TODAY<br />
  3. 3. Serial Dilution<br />
  4. 4. Too much growth, hard to count colonies<br />Growth not as much, but still hard to count colonies<br />OK to count but there are some colonies that are not single colonies, they are so close together<br />Definitely the best plate to estimate the CFU<br />
  5. 5. Serial Dilution cont’d<br />
  6. 6. Try this!!!!!<br />
  7. 7. Did you get 5.6 x 108???<br />
  8. 8.
  9. 9.
  10. 10.
  11. 11.
  12. 12. 5.6 x 108 CFU/ml<br />

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