We acknowledge support from the following sources:

National Institutes of Health, NIGMS, R01GM094357

National Institutes of Health, Office of the Director, S10OD012303

National Science Foundation, CAREER MCB-0745754, MCB-1243461

Center for Emergent Materials, National Science Foundation MRSEC, DMR-0820414

The Camille & Henry Dreyfus Foundation, Camille Dreyfus Teacher-Scholar Award

Eli Lilly and Company, Young Investigator Award in Analytical Chemistry

Alzheimer's Association, New Investigator Research Grant, NIRG-07-56564

American Heart Association, Beginning Grant-in-Aid, 0865410D

Department of Chemistry, The Ohio State University