Re: 2',7'-dichlorofluorescin diacetate photodecomposition

From: J. Paul Robinson (jpr@flowcyt.cyto.purdue.edu)
Date: Mon Nov 24 2003 - 22:38:55 EST


I thought I just answered this question....was I dreaming....? 
There is an enormous amount of information already in the 
archive. I understand it is difficult to extract this and we are 
working on this to improve the system. But it is important for 
new participants to use the search engines to find answers to 
questions that may have already been answered.
regards
paul robinson

On 21 Nov 2003 at 16:15, Sabyasachi Biswas wrote:

> Hi
> 
> Does anyone know whether 2',7'-dichlorofluorescin diacetate (H2DCFDA)
> photodecomposes? We are trying to detect H2O2 generation in lymphocytes but our
> results are anomalous. Microscopic examination suggested that H2DCFDA decomposed
> and fluoresced when excited with FITC filter in our fluorescence microscope.
> However we couldn't find any reference for this phenomenon. Any information
> regarding this will be very helpful.
> 
> Thanks
> 
> Sabyasachi Biswas
> 
> 

J.Paul Robinson, PhD		 PH:(765)4940757
Professor of Immunopharmacology
Professor of Biomedical Engineering  
Purdue University	   FAX:(765)4940517
EMAIL:jpr@flowcyt.cyto.purdue.edu
WEB: http://www.cyto.purdue.edu   


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