1. Center for Commercialization of Fluorescence Technologies (CCFT), Dept. of Molecular Biology & Immunology, UNTHSC, Fort Worth, Texas 76107 (R.L., P.S., E.A., K.M., S.R., J.B., Z.G., I.G.); Dept. of Biophysics, Institute of Physics, Maria Curie-Sklodowska University, 20-031 Lublin, Poland (R.L.); Dept. of Physics and Biophysics, University of Warmia and Mazury in Olsztyn, 10-719 Olsztyn, Poland (M.S.); and Dept. of Cell Biology and Anatomy, UNTHSC, Fort Worth, Texas 76107 (I.G.)