1. Applied Science, Engineering, and Technology Laboratory, University of Alaska Anchorage, Anchorage, USA
2. Present Address: Department of Chemistry, University of California Davis, One Shields Ave., Davis, CA 95616, USA
3. Alaska Department of Fish and Game, Physiological Ecology Laboratory, Anchorage, USA
4. Environment and Natural Resources Institute, University of Alaska Anchorage, Anchorage, USA
5. Department of Chemistry, University of Alaska Anchorage, Anchorage, USA