You can easily change the resolution (dpi) of an image without
changing the number of pixels, by editing the file in Photoshop (in
Image Size, change resolution without rescaling) or in
GraphicConverter (on Mac).
_________________________________
Mark A. Saper, Ph.D.
Associate Professor of Biological Chemistry
Biophysics Research Division, University of Michigan
930 N University Ave
Ann Arbor MI 48109-1055 U.S.A.
sa...@umich.edu (734) 764-3353 fax (734) 764-3323
http://www.biochem.med.umich.edu/biochem/research/profiles/saper.html
