1. Department of Chemistry and Biochemistry and Department of Chemical and Biomolecular Engineering,The University of Maryland College Park, College Park, Maryland 20742, USA
2. Triton BioSystems, Inc., Chelmsford, Massachusetts 01824, USA
3. Proteomics and Nanotechnology Section, Laboratory of Muscle Biology, National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), National Institutes of Health (NIH), Department of Health and Human Services (DHHS), Building 50, Bethesda, Maryland 20892, USA