Paris/July 13

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{{Paris/Calendar}}
{{Paris/Calendar}}
[[Paris/July 12|< Yesterday]] - [[Paris/July 14|Tomorrow >]]
[[Paris/July 12|< Yesterday]] - [[Paris/July 14|Tomorrow >]]
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== Preparation of Competent Cells ==
== Preparation of Competent Cells ==

Revision as of 17:16, 15 July 2008

June
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9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 29
30            
July
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7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30 31      
August
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4 5 6 7 8 9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30 31
September
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1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30          
October
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6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30 31    
November
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3 4 5 6 7 8 9
10 11 12 13 14 15 16
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24 25 26 27 28 29 30

< Yesterday - Tomorrow >

Preparation of Competent Cells

  • Dilution 1/200e (1mL of culture on 200mL of LB)
  • Culture at 37°C until DO=0,57 (around 3h)
  • Sharing into 4 Falcon tubes of 50mL and cooling at 4°C during 40' in ice
  • Spin during 8', 2000rpm, 4°C
  • Resuspension of the cell's cap in 20mL of CaCl2 (0,1M) cooled at 4°C