Team:Evry/Notebook

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Revision as of 12:22, 28 June 2013

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Home	Team	Official Team Profile	Project	Parts Submitted to the Registry	Modeling	Notebook	Safety	Attributions

You should make use of the calendar feature on the wiki and start a lab notebook. This may be looked at by the judges to see how your work progressed throughout the summer. It is a very useful organizational tool as well.

Labwork:

Friday, June 21st

The three following E. coli strains have been prepared to be chemically competent: BL21, DH5𝝰 and TOP10. To check the quality of our work as well as their competence, each strain has been plated on LB medium with ampicillin, kanamycin or chloramphenicol. We also transformed our bacteria with a random plasmid and plated them on LB medium with ampicillin only. We incubated our petri dishes for the week end at 30°c

Monday, June 24th

Competents cells made on friday 21st was plated and incubated the whole week-end at 30°C. Today we analyzed results and it seems that medium had been contaminated.

New competents cells will be made.

Tuesday, June 25th

New competent cells have been made with the same strains of bacteria. We thought that the contamination of our cells was due either to the solution of CaCl2 that we used which may had not been sterile and/or incorrect manipulations. This time, we prepared new CaCl2 solutions that we made sure to autoclave correctly. Then, same tests as we did before of contamination and competence have been made.

Wednesday, June 26th

The DH5𝝰 strain was not contaminated and competent. The TOP10 strain was contaminated only on the Kanamycin petri dish and competent. The BL21 strain was contaminated and not usable.

Thurdsay, June 27th

We designed the plasmid constructions and primers we will use.

@@ Line 47: / Line 47: @@
 New competents cells will be made.
+'''Tuesday, June 25th'''
+New competent cells have been made with the same strains of bacteria. We thought that the contamination of our cells was due either to the solution of CaCl2 that we used which may had not been sterile and/or incorrect manipulations. This time, we prepared new CaCl2 solutions that we made sure to autoclave correctly. Then, same tests as we did before of contamination and competence have been made.
+'''Wednesday, June 26th'''
+The DH5𝝰 strain was not contaminated and competent. The TOP10 strain was contaminated only on the Kanamycin petri dish and competent. The BL21 strain was contaminated and not usable.
+'''Thurdsay, June 27th'''
+We designed the plasmid constructions and primers we will use.