* Analytical atomic spectrometry.\r\n* ICP OES, ICP-MS, GFAAS, FAAS, TS-FF-AAS, WCAES, WCAAS, WCAFS, Sample Preparation, Chemical Education. \r\n* Design, construction and evaluation of low-cost, portable instrumentation for trace element analysis. \r\n* Development of new strategies to improve the performance of inductively coupled plasma with optical emission (ICP OES) or mass spectrometry (ICP-MS) detections.\r\n* Laser pointer tungsten coil atomic fluorescence spectrometry for trace element determination.\r\n* Interference standard (IFS) to improve ICP-MS accuracy.\r\n* Gradient flow analysis (GFA) to improve precision, accuracy and sample throughput in atomic and molecular spectrometry techniques.\r\n* ICP-MS for the early diagnose of osteoporosis.\r\n* Evaluation of Ga as antimicrobial agent.\r\nhttp://college.wfu.edu/chemistry/about-the-chemistry-department/faculty/george-l-donati