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General

Home/ General

Absorbance vs cell concentration from spectrophotometry

Question

Hi dear, I have plotted a graph for absorbance at 540 nm vs cells concentration of yeast for dilutions from 1/2 to 1/128. Using this graph, I can find cell concentration of unknown yeast after measuring its absorbance. It is possible ...

General 2 months 0 Answers 141 views New Member 0

Is Klebsiella mobilis a lactose fermenter?

Question

There are two demos in my lab for K. mobilis on a MacConkey Agar plate. One of them shows as yellow and the other shows as very very pink. So which one is it? I know that Klebsiella pneumoniae is a ...

General 4 months 0 Answers 181 views New Member 0

Inhibitor Zone

Question

Hello Everyone.. I am working on herbal extract to test thier effective on bacteria / + - / but the inhibitor zone doesn't show clear .. it's It is scattered, not regular ! I used Disk Dissolves to test the effect ...

General 5 months 0 Answers 282 views New Member 0