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2009 - present Chief Science Officer, GeoMed Analytical, LLC
2005 - 2009 Chief Science Officer, Hyphenated Solutions, LLLP
OFT Labs – analytical QA/QC consultant
Mixon, Parker and Hurst, PLC – expert witness (arson accelerant testing)
Crane Composites - expert witness (residual styrene testing)
University of Alabama - expert witness (BisPhenol A and pesticides in food)
Application Notes and Patents
- Hannigan, R.E. and Harden, W.L. 2005. Elemental Analysis of Human Hair by LA-ICP-MS. Cetac Technologies, Inc. APPLICATION NOTE – 2005-05-18.
- Hannigan, R., Chai, Y., Elobeid, M., Clarke, D., Russ, J., Duffy, M., and Meaker, T. 2005. Speciation Analysis with GC-ICP-MS: Organometal Detection in Tobacco Smoke. PerkinElmer Field Application Note.
- Patent 7,829,340 “Heavy metals in oral fluid” (Woodcock/Washburn, Hannigan, Eckert and Elwell, Inventors)
- Patent 7,221,861 “Universal Transfer Apparatus” (Hyphenated Solutions, Clarke and Hannigan, Inventors)
Collaborative Agreements/Non-Disclosure Agreements
Cetac Technologies, Inc. Laser Ablation Division (Beta test facility)
Applied Food Technologies