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Update vitrobot.rst
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Fixed image (Coolant_chamber)
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JensBerndtsson authored Mar 24, 2022
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Showing 1 changed file with 9 additions and 4 deletions.
13 changes: 9 additions & 4 deletions prep/vitrobot.rst
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Expand Up @@ -68,13 +68,17 @@ Material Preparation
* Prepare Falcon tubes, grid boxes and screwdrivers or rods

* **Prepare the coolant container**:
* Insert brass coloured inner cup, grid box holder, the spindle/spider and anti-contamination ring
* Insert brass coloured inner cup, grid box holder, the spindle/spider and anti-contamination ring (figure 1)
* Fill up the inner (brass) and outer chamber (styrofoam) with LN2 and let it settle under a glass cupola (to prevent contaminations from humidity in the air)
* Wait until LN2 evaporates from the brass coloured cup (should take around 5 minutes), top up the outer chamber if necessary
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.. image:: /images/Coolant_chamber.png
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* **Condense ethane:**
* **WEAR GLASSES AND GLOVES, ALWAYS WORK IN THE FUME HOOD**, make sure that all LN2 have evaporated from the ethane cup
* Open the valve 1, and valve 3 on the on the ethane bottle (figure 1)
* Open the valve 1, and valve 3 on the on the ethane bottle (figure 2)
* **Carefully** open valve 2 of the ethane bottle, aim for your skin on the wrist above you gloved hand. When you can feel a gentle stream of gas on your skin, the inital stream of gas i sufficient (on the manometer the pressure should be around 1). **Better too slow than too fast!**
* Close valve 2. Put the pipette tip of the out-flow at the bottom of the ethane cup, **quickly** turn back the flow of ethane by turning valve 2 back to the position of the gentle stream.
* Start filling the ethane cup with ethane. After 10-30 seconds the sound of the ethane should start to zizzle (as a result of liquid ethane forming)
Expand All @@ -87,9 +91,10 @@ Material Preparation
* Top up the LN2 as required
* Place your marked grid box(es) onto the grid box holder (TEST them!)
* Transfer the coolant chamber and LN2 thermos flask next to the Vitrobot

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.. image:: /images/Valves_ethane.png

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* **(Condense ethane with a NanoSoft ethane-condenser)**:
* **WEAR GLASSES AND GLOVES, ALWAYS WORK IN THE FUME HOOD**, make sure that all LN2 have evaporated from the ethane cup
* Follow the instructions on the following video: https://youtu.be/J_M-IUlPuNM
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