Contamination

From: Juan_Carlos Perez Monter (cpmonter@ibt.unam.mx)
Date: Mon Aug 27 2001 - 17:47:56 EST


Hello everybody,

I´d having some problems with a subject:

I¹m a user of a FACScalibur device in my Institute, but at the time to try
to sorting my neuron cells in this machine, all of the cells go out with a
lot of debris and contamination from other users, just like: yeas,
bacteria, protozoan, etc. (I do not know exactly what it is).
Until this moment I still have not found the way to ensure that my cells
are free from that contamination. To clean the internal hoses I had been
testing with a 1:10 chlorine solution let it overnight inside the hoses.
After that I used DD water (about 1 liter in running mode). And then, just
then, put on in my PBS solution to start my flow. But when I put the
purified neurons in culture again, invariably become contaminated.
Could anybody suggest me some kind of protocol to clean out the Cytometer
before I begin to sort??... Specially because I need a lonely neurons whom
are very delicate to survive in a culture medium.

Thank you very much.

Carlos Monter
IBT-UNAM
Mexico
cpmonter@ibt.unam.mx



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