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A similar question about the TetraSpeck beads (no commercial interest) was asked by me a few months back. Here is the response I got:

http://lists.umn.edu/cgi-bin/wa?A2=ind1104&L=CONFOCALMICROSCOPY&P=10328

I never did find out what the other two spectra were, however.

John Oreopoulos
Research Assistant
Spectral Applied Research
Richmond Hill, Ontario
Canada
www.spectral.ca


On 2011-10-25, at 6:16 AM, Ekaterina PAPUSHEVA wrote:

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> Hi all,
> 
> Does someone know, what dyes are used to label  tetraspeck beads from Invitrogen?
> They are really nice for the infrared excitation (1100-1200 nm excitation) so would like to use the same dye for illumination tests...
> 
> Would be grateful for tips!
> Ekaterina
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