1. Division
of Biochemistry and Molecular Biology, Department of Biological Sciences, Louisiana State University, Baton Rouge, Louisiana 70803, United States
2. The J. Bennett Johnston, Sr. Center for Advanced Microstructures & Devices, Louisiana State University, Baton Rouge, Louisiana 70806, United States
3. The
Rieveschl Laboratories for Mass Spectrometry, Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221, United States