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Michael:

I am still able to access the Invitrogen / Molecular Probes resource at:

http://probes.invitrogen.com/resources/spectraviewer/.

Also, there is a comparable (though not quite as convenient) resource available through the Zeiss web site.  This is the old Bio-Rad resource.  Just click on the link called "Start the Interactive Fluorescence Dye Database" on this page:

http://www.zeiss.de/cellscience.

Good luck!

-Turan

Dr. Turan Erdogan, CTO
Semrock, Inc.
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-----Original Message-----
From: Confocal Microscopy List [mailto:[log in to unmask]]On
Behalf Of Michael Cammer
Sent: Monday, November 07, 2005 9:29 PM
To: [log in to unmask]
Subject: spectra


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It appears that Invitrogen has killed the Molecular Probes web site resource.

Does anybody know how to find it within the Invitrogen web site or where
else I could find the spectra of many of the dyes?  Specifically, right
now I need to compare Rhodamine Green to Flourescein.

Any help appreciated.

Thanks.

_________________________________________
Michael Cammer
Analytical Imaging Facility and
Dept. ASB Biophotonics Innovation Laboratory
Albert Einstein College of Medicine
1300 Morris Park Avenue, Bronx, NY  10461
718-430-2890  Fax 718-430-8996
work:  http://www.aecom.yu.edu/aif/
personal:  http://coxcammer.com/