1. Department of Chemistry, University of Georgia, 30602, Athens, GA, USA
2. Bruker Daltonics, Billerica, MA, USA
3. Complex Carbohydrate Research Center, University of Georgia, Athens, GA, USA
4. Department of Chemistry and Chemical Biology, Chemical and Biological Engineering, and Biology, Rensselaer Polytechnic Institute, 12180, Troy, NY, USA