Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland, United States of America.|Department of Biochemistry and Biophysics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America.|Texas Institute for Discovery Education in Science, University of Texas, Austin, Texas, United States of America.|Texas Institute for Discovery Education in Science, University of Texas, Austin, Texas, United States of America.|Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland, United States of America.