About the Cover
On the cover, automatically generated plot representing 36 replicate LC-MS experiments on Angiotensin II. Colors correspond to experiment date. The positions of the symbols are derived from the pairwise distance matrix (in the background) by nonlinear multidimensional scaling. They represent the degree of global similarity between each pair of experiments. The grouping by color reveals a potentially problematic influence of the date on the experimental outcome. For details, see the article by Prakash et al., pages 1741–1748.
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Copyright © 2007 by the American Society for Biochemistry and Molecular Biology.
