1. Center for Commercialization of Fluorescence Technologies, UNTHSC, Fort Worth, Texas 76107 (R.L., E.M., P.S., J.B., Z.G., I.G.); Department of Biophysics, Institute of Physics, Marie Curie-Sklodowska University, 20-031 Lublin, Poland (R.L.); University of Texas at Tyler, Tyler, Texas 75799 (T.S.); and Department of Cell Biology and Anatomy, UNTHSC, Fort Worth, Texas 76107 (I.G.)