An official website of the United States government
The .gov means it’s official. Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.
The site is secure. The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
National Institute of Environmental Health Sciences
Use this QR code to view the newest version of this document
Gensemer RW, Dixon DG, Greenberg BM. 1999. Using chlorophyll fluorescence induction to detect the onset of anthracene photoinduced toxicity in Lemna gibba, and the mitigating effects of humic acid. Limnology and Oceanography 44(3,Part2):878-888.
1998
Marsh DE, Prystupa J, Gensemer RW. 1998. Development of photosynthetic assays for the toxicity of organics and metals using submerged rooted macrophytes. In: Proceedings of the Superfund Basic Research Program (SBRP) Conference, 1998. Boston, MA.
1997
Marsh DE, Gensemer RW. 1997. Photosynthetic endpoints for the toxicity of organics and heavy metals using freshwater phytoplankton. In: Proceedings of the Society for Environmental Toxicology and Chemistry Annual Meeting. San Francisco, CA.