User:Paul Rothenberg/Notebook/Pauls Notebook/2013/05/30: Difference between revisions
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Following the solution recrystallizing at 5°C overnight, we wanted to place it in the oven, as indicated in the [http://openwetware.org/wiki/Hartings_AU_Photosynthesis_Lab:Protocols/Na12P2W18O62 protocol]. Currently, it is still sitting in the fridge. Hopefully, we will fully dry it out and have the indicated 70g yield! | Following the solution recrystallizing at 5°C overnight, we wanted to place it in the oven, as indicated in the [http://openwetware.org/wiki/Hartings_AU_Photosynthesis_Lab:Protocols/Na12P2W18O62 protocol]. Currently, it is still sitting in the fridge. Hopefully, we will fully dry it out and have the indicated 70g yield! | ||
<b>Update:</b> | |||
There is no functional vacuum oven in the building, so the solution in the crystals was removed and is being heated to recrystallize any more product and then filtered. The crystals will be placed in the oven at 80°C overnight and then vacuumed in a dessicator for a few hours to hopefully have the product. | |||
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Revision as of 11:46, 30 May 2013
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Reaction of OPD and H2O2 in Water with Mb/Acetate Catalyst
The protein did not fully dissolve in solution, similar to yesterday. However, the reaction still proceeded forwards. Some temperatures favored the reaction more than others, seen in the graphs below. The 25°C and 45°C reactions had particularly large absorbance spectrum at 420 nm, compared to the rest of the reactions. The 5°C and 15°C reactions did not have smooth curves; instead, had multiple peaks and relatively low absorbances, if any, at 420 nm. The 35°C reaction had a smooth curve but far less absorbance at 420 nm compared to 25°C and 45°C; with an absorbance of roughly 0.04 compared to 0.6 in the 45°C graph.
Reaction of OPD and H2O2 in Water with Mb/Tris CatalystContinuing the analysis of this reaction with different solvents. Three of the four buffers have been tested, all with different results in the two different solvents.
Synthesis of Na12P2W18O62Following the solution recrystallizing at 5°C overnight, we wanted to place it in the oven, as indicated in the protocol. Currently, it is still sitting in the fridge. Hopefully, we will fully dry it out and have the indicated 70g yield! Update: There is no functional vacuum oven in the building, so the solution in the crystals was removed and is being heated to recrystallize any more product and then filtered. The crystals will be placed in the oven at 80°C overnight and then vacuumed in a dessicator for a few hours to hopefully have the product. |