Re: Lifetime of Nozzles + Cleanup again...

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1:In the past I did notice degradation with age, but since I have stopped
sonication I don't. I find that denture cleaning tablets (eg
'Steradent') remove the most stubborn blockages from nozzles with no
degradation in performance (they leave a nice minty taste as well),
enzymatic treatments (trypsin and DNAse) also do a good job, but cost
more.

Ray

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CD ROM Vol 2 was produced by staff at the Purdue University Cytometry Laboratories and distributed free of charge as an educational service to the cytometry community. If you have any comments please direct them to Dr. J. Paul Robinson, Professor & Director, PUCL, Purdue University, West Lafayette, IN 47907. Phone:(317) 494-0757; FAX (317) 494-0517; Web http://www.cyto.purdue.edu EMAIL robinson@flowcyt.cyto.purdue.edu