Team:Calgary/Notebook/Protocols/Process20
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<ul> | <ul> | ||
<li> Overnight bacterial growth </li> | <li> Overnight bacterial growth </li> | ||
- | <li> screw | + | <li> screw cap tubes </li> |
<li> glycerol </li> | <li> glycerol </li> | ||
</ul> | </ul> | ||
<p> Protocol </p> | <p> Protocol </p> | ||
<ol> | <ol> | ||
- | <li> Pipet 0.5mL of 50% glycerol into 3 1. | + | <li> Pipet 0.5mL of 50% glycerol into 3 1.5mL screw cap tubes</li> |
- | <li> Add 0.5mL of overnight culture to each tube </li> | + | <li> Add 0.5mL of overnight culture to each tube. </li> |
- | <li> Pipet up and down to gently mix</li> | + | <li> Pipet up and down to gently mix.</li> |
- | <li> Flash freeze in liquid N2 or dry ice/ethanol bath </li> | + | <li> Flash freeze in liquid N2 or dry ice/ethanol bath. </li> |
- | <li> Place in - | + | <li> Place in -80°C freezer when frozen. </li> |
</ol> | </ol> | ||
</html>}} | </html>}} |
Revision as of 22:49, 27 September 2011
Preparing Glycerol Stocks
Reagents and Materials
- Overnight bacterial growth
- screw cap tubes
- glycerol
Protocol
- Pipet 0.5mL of 50% glycerol into 3 1.5mL screw cap tubes
- Add 0.5mL of overnight culture to each tube.
- Pipet up and down to gently mix.
- Flash freeze in liquid N2 or dry ice/ethanol bath.
- Place in -80°C freezer when frozen.