Hi Franco
have you tried staining of cell walls with
neutral red at a Ph lower than 7 (4 or 5).
I am not excactly sure about the excitation wave
length but you could go to molecular probes
homepage and you could check it yourself.
hope this helps.
Good Luck
Nikos
Ps by the way do you know Dr. Miguel Lspez-Leiva
is a senior lecturer at our department and he is from Chile.
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Nikolaos E. Mavroudis, Tekn. Lic.
PhD-student, Food Engineering,
Center of Chemistry and Chemical Engineering
Lund University, Box 124, S-221 00 Lund, Sweden
fax +46 46 2224622 tel +46 46 2229822
WWW http://www.livstek.lth.se/info/Nikolaos.htm

"If you think education is expensive, try ignorance!"
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