Jim Weaver asks: > >Does anyone know if the PMTs in a 1991 vintage Coulter Elite have >sufficient far red sensitivity to 'see' antibodies labeled with Cy7-APC >(PharRed et al) conjugates? Thanks for you help. > Those tubes are probably R928's; if so, while they probably don't have the sensitivity, they can be unplugged and replaced with R3896's, which do - for around $1200 each if you buy the tube quantity one direct from Hamamatsu. -Howard
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