Phenol Red Interference

Brian Lee brian at
Thu Sep 13 14:03:43 EDT 2007

Dear Flow-ers,

I have a very basic question to ask of the group.  It involves the mixed
messages that I have received from several experienced flow people as to
whether or not Phenol Red, which is present in many types of cell culture
media, causes problems with the initial forward-side scatter gating of the
instrument during set up.  Are the newer lasers that are present on the BD
Canto for example, immune to this issue?  We currently run our caspase
substrate assays with the cells in their respective cell culture media
compositions and would like to continue to do so if possible.  Thanks in
advance to all who wish to help clarify this question for me.


Brian W. Lee	Ph.D

Vice President

Immunochemistry Technologies, LLC

9401 James Avenue South, Suite 155

Bloomington, MN 55431 USA



fax 952-888-8988

brian at

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