Team:Paris Saclay/Notebook/August/14

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Contents

Thursday 14th August

Lab Work

by Melanie

Preparation of DH5a CaCl2 Competent cell

Protocol

Lemon Scent

by Melanie

From the 20 ml of odor free culture (pJBEI Apra - pPSI) done yesterday (by Laetitia)

Plasmid extraction without Nucleospin protocol

+ Stock (DH5a pJBEI + apra)

Transformation of DH5α

by Sean & Eugene

(Cacl2 protocol)

We prepare a LB agar environment with a concentration of:

  • 0.5 mM of IPTG
  • 0.008% of Xgal
  • 1/2000 of Ampicilline

and we spread our preparation in a petri dish and incubate overnight at 37°C.

Human Practices

Art & Design

by Terry

We found an interesting colorless medium named M63.

Preparation of M63 medium, concentration 5X, one liter basis :

  • 10g (NH4)2 SO4
  • 68g KH2 PO4
  • 2.5mg FeSO4 7H2O
  • Adjust to pH 7 with KOH

The concentrated medium is diluted to 1X with sterile water and the following solution ( one liter basis ) :

  • 1 ml 1M MgSO4 7H2O
  • 10 ml 20% carbon source (sugar or glycerol)
  • 0.1 ml 0.5% vitamin B1

100 ml of M63 has been prepared for future manipulations.

Photo of the Day

Paris Saclay 14 august.jpg

Members present:

  • Instructors and advisors: Alice, Solenne and Sylvie.
  • Students: Arnaud, Eugène, Fabio, Hoang Vu Romain and Sean.

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