Monday, November 2, 2009

Oxygen: Much Smaller Than Any Small Molecule Drug

Once you shrink from coffee bean to carbon atom using this cool Cell Size and Scale interactive tool, you'll gain new appreciation for oxygen's diminutive stature among the behemoths of microbiology. That's oxygen in the water molecule, about twice the size of carbon. Pure O2's not much bigger at 292pm. The smallest of small molecule drugs would appear some 125 times larger. (Macrogratitude: University of Utah Genetic Science Learning Center)

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