1. Department of Chemistry and BiochemistryTexas State University San Marcos TX 78666 USA
2. Cytometry LabDepartment of Molecular Biophysics, Faculty of Biology and Environmental ProtectionUniversity of Łódź ul. Pomorska 141/143 90-236 Łódź Poland
3. Department of BiologyNew Mexico State University Las Cruces NM 88003 USA
4. Departments of Chemistry and BiologyNew Mexico Tech Socorro NM 87801 USA
5. Department of Chemistry and Polymer ScienceUniversity of Stellenbosch 7602 Stellenbosch South Africa
6. Materials Science and Engineering ProgramTexas State University San Marcos TX 78666 USA