One of our post-docs here has two questions concerning fluorochromes 
and x-rays. They are:

1.  How, if at all, do x-rays affect fluorochome labels?
2.  What is the mechanism that causes fluorochromes to lose their 
excitability when exposed to normal spectrum light?

Thanks in advance,  John


-- 
John A. Baker
The University of Michigan
Orthopaedic Research Laboratories
Histology Unit
400 North Ingalls, G160
Ann Arbor, MI 48109-0486
Main lab office phone:734-763-9674
Histology office:734-936-1635