Team:WashU/Protocols/ZeaxanthinExtraction
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- | 1. Take cells and spin them down at 10,000 g's for 15 minutes. | + | 1. Take cells and spin them down at 10,000 g's for 15 minutes. <br> |
- | 2. Discard supernatant. | + | 2. Discard supernatant.<br> |
- | 3. Resuspend pellet in ethanol using approximately 5% of the original culture volume. Ensure that pellet is fully resuspended. Vortex and mash to mix. | + | 3. Resuspend pellet in ethanol using approximately 5% of the original culture volume. Ensure that pellet is fully resuspended. Vortex and mash to mix.<br> |
- | 4. Add the same volume of hexane to your solution. | + | 4. Add the same volume of hexane to your solution.<br> |
- | 5. Vortex and shake vigoriously for one minute. | + | 5. Vortex and shake vigoriously for one minute.<br> |
- | 6. Centrifuge at 10,000 g's for 5 minutes. | + | 6. Centrifuge at 10,000 g's for 5 minutes.<br> |
- | 7. Remove organic layer (which will contain the yellow color) and place it in a new test tube with one boiling chip and submerge in 70 degree water bath until the organic solvent is driven off. NOTE: Do this in a fume hood, as hexane vapors will be emitted from the vaporizing solution. | + | 7. Remove organic layer (which will contain the yellow color) and place it in a new test tube with one boiling chip and submerge in 70 degree water bath until the organic solvent is driven off. NOTE: Do this in a fume hood, as hexane vapors will be emitted from the vaporizing solution.<br> |
CAUTION: The hexane will superheat if not careful. Thus, handle with caution (use hot hands if necessary, as well). | CAUTION: The hexane will superheat if not careful. Thus, handle with caution (use hot hands if necessary, as well). | ||
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[https://2012.igem.org/Team:WashU/Protocols Back to Protocols] | [https://2012.igem.org/Team:WashU/Protocols Back to Protocols] |
Latest revision as of 22:05, 9 August 2012