Reference toxicants for toxicity testing using Caenorhabditis elegans in aquatic media
Conference
·
OSTI ID:516808
- Univ. of Georgia, Athens, GA (United States)
Caenorhabditis elegans aquatic toxicity assays were standardized with five common reference toxicants: CdCl{sub 2}, NaCl, KCl, sodium lauryl sulfate (SLS), and sodium pentachlorophenate (PCP). Aquatic toxicity testing was conducted in 3 media: a standard C. elegans medium; EPA moderately hard reconstituted water; and EPA moderately hard mineral water. Test duration in each medium was 24h without a food source, and 24h and 48h with Escherichia coli strain OP50 as a food source. Each test was replicated three times with each replicate having 6 wells per concentration, 10 worms per well. LC{sub 50} values were calculated using probit analysis. The average LC{sub 50}s for each set of replications were compared to assess sensitivity and reproducibility of the data, identifying expected variation between replicate tests. These reference toxicants increase the database for C. elegans and provide a benchmark for further application.
- Sponsoring Organization:
- Georgia Univ., Athens, GA (United States)
- OSTI ID:
- 516808
- Report Number(s):
- CONF-9604217--; ISBN 0-8031-2474-0
- Country of Publication:
- United States
- Language:
- English
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