Unformatted text preview: ° Total cell count o Demonstration: Prof. Schauer shows the class a counting chamber ° Grid etched on with a laser ° Two raised ridges – glass coverslip fits directly over, allowing you to measure the space between the platform and the coverslip – count through a microscope ° The same concept and method is used for bacterial, blood cells, environmental samples, etc. o Problems with this method: ° Not very precise ° Hard to see ° Doesn’t distinguish live cells from dead ones ° Requires phase contrast microscope to count unstained cells ° Dilute samples must be concentrated...
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- Fall '09
- Bacteria, Related growth parameters, ???? Total cell count