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Team:Hawaii/PCC6803 cell density
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(New page: ==Abstract=== We would like to correlate OD<sub>750</sub> with specific cell densities (# cells/ml) == Protocol== # Plated 200 μl of 1, 10<sup>-1</sup>, 10<sup>-2</sup>, 10<sup>-5</su...) |
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We would like to correlate OD<sub>750</sub> with specific cell densities (# cells/ml) | We would like to correlate OD<sub>750</sub> with specific cell densities (# cells/ml) | ||
Revision as of 22:07, 26 June 2008
Abstract
We would like to correlate OD750 with specific cell densities (# cells/ml)
Protocol
- Plated 200 μl of 1, 10-1, 10-2, 10-5, 10-7, and 10-8 dilutions of PCC6803 on BG-11.
- Incubated at 37C with illumination in the SC lab for 12 days.
Results
| Concentration | OD 750 = 1.159 | OD 750 = 0.071 |
|---|---|---|
| 1 | lawn | lawn |
| 10-1 | lawn | lawn |
| 10-2 | lawn | lawn |
| 10-5 | 133 | 48 |
| 10-7 | 0 | 1 |
| 10-8 | 0 | 0 |
Cell density was determined using the 10-5 colony count as it was the only statistically significant number (30<x<300).
Cell density for OD750=0.071 was approximately 2.40 x 107.
Cell density for OD750=1.159 was approximately 6.65 x 107.
