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competent cells


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#1 mehere

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Posted 04 October 2011 - 11:13 PM

Hi All,

for Inoue method of Competent cell preparation how to add MnCl2.4H20 while making the Transformation Buffer? Is it to be added sepaartely or in any other form?

please help.thanks in advance.:)

#2 Papaver

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Posted 05 October 2011 - 07:11 AM

MnCl2 * 4 H2O (sterile) need to be added at the end, after the buffer was autoclaved.

#3 bob1

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Posted 05 October 2011 - 01:48 PM

In which case, it is no longer MnCl2 .4H2O, but Mn+, Cl- - the .4H2O is only for crystalline forms which are hydrated.

You can also just filter sterilize the whole lot.




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