software for densitometry using a scanner?

[gustilo at pobox.upenn.edu]

In article <199510180915.CAA28140 at net.bio.net>, dmullins at vt.edu (David W.
Mullins) wrote:

> Does anyone know of a software package, either for Mac or IBM, that will 
> allow one to scan an image--for example, a photograph of an ethidium stained 
> gel--and then perform densitometry calculations?  I would like to have a 
> quantitative assessment of RT-PCR product, using the equipment I have at hand.
> 
> Any suggestions--software or alternative methods that have worked well for 
> you--will be greatly appreciated.

try NIH Image, a free software package at this URL:
ftp://zippy.nimh.nih.gov/pub/nih-image/

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gustilo at pobox.upenn.edu