Issue Date: January 17, 2011
3-D Nanoscale Chemical Maps Of Teeth
Buried organic-inorganic interfaces in a biological specimen have been imaged with three-dimensional nanoscale resolution and chemical specificity (Nature, DOI: 10.1038/nature09686). The study, which was conducted by Northwestern University materials scientists Lyle M. Gordon and Derk Joester, reveals that individual 5- to 10-nm-wide organic fibers in the teeth of chitons, a type of marine mollusk that chews through rock, have distinct chemical compositions and distributions. These findings suggest distinct functions in otherwise . . .
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