Originally Posted by BubbaLoop

The currently used ETD equipment/protocol obviously has problems, and these should be addressed. Glycerin and nitroglycerin, for example, are very distinct molecules from a physico-chemical standpoint, and there are straightforward spectroscopic approaches to distinguish them. But the truth is the methodological approach of ETD is correct, and therefore there is a solution to the false positive problem of ETDs.

Whole body imaging, on the other hand, is not "fixable", because it is the incorrect methodological approach.