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Comparison of Toxic Response of Cladocerans to Organic Solvents to Establish the Standard Test Guidelines Using Korean Native Species  

Kim, Byung-Seok (Department of Crop Life Safety, National Academy of Agricultural Science (NAAS), Rural Development Administration(RDA))
Park, Yoen-Ki (Department of Crop Life Safety, National Academy of Agricultural Science (NAAS), Rural Development Administration(RDA))
Yang, Yu-Jung (Department of Crop Life Safety, National Academy of Agricultural Science (NAAS), Rural Development Administration(RDA))
Hong, Soon-Sung (Department of Crop Life Safety, National Academy of Agricultural Science (NAAS), Rural Development Administration(RDA))
Park, Kyung-Hun (Department of Crop Life Safety, National Academy of Agricultural Science (NAAS), Rural Development Administration(RDA))
Jeong, Mi-Hye (Department of Crop Life Safety, National Academy of Agricultural Science (NAAS), Rural Development Administration(RDA))
Kim, Se-Ri (Department of Crop Life Safety, National Academy of Agricultural Science (NAAS), Rural Development Administration(RDA))
Park, Kyeong-Hun (Department of Crop Life Safety, National Academy of Agricultural Science (NAAS), Rural Development Administration(RDA))
Yeh, Wan-Hae (Department of Crop Life Safety, National Academy of Agricultural Science (NAAS), Rural Development Administration(RDA))
Kim, Doo-Ho (Department of Crop Life Safety, National Academy of Agricultural Science (NAAS), Rural Development Administration(RDA))
Yun, Jong-Chul (Department of Crop Life Safety, National Academy of Agricultural Science (NAAS), Rural Development Administration(RDA))
Hong, Moo-Ki (Department of Crop Life Safety, National Academy of Agricultural Science (NAAS), Rural Development Administration(RDA))
Kyung, Kee-Sung (Department of Agricultural Chemistry, Chungbuk National University)
Ahn, Young-Joon (School of Agricultural Biotechnology, Seoul National University)
Publication Information
The Korean Journal of Pesticide Science / v.14, no.1, 2010 , pp. 10-15 More about this Journal
Abstract
Most pesticides are poorly soluble in water and must be dissolved in a solvent carrier before being added to the test medium on aquatic toxicity test. The concentration of solvent is critical to the success of a test. This study were conducted to recommend possible organic solvents which have good solubility for pesticides and low toxicity to Korean native water flea to establish new standard toxicity test methods using Korean native water flea for ecological risk assessment of pesticide. Four Korean freshwater cladocerans, Daphnia obtusa, Daphnia sp., Moina macrocopa and Simocephalus vetulus were exposed to 10 different organic solvents during 48 hours to evaluate their toxic response to solvents. Ethyl acetate was the most toxic to cladocerans tested. Although ethyl ether was the least toxic to cladocerans tested, it may not adequate as possible solvent in aquatic toxicity test due to high volatility and low water solubility. In conclusion, acetone, methanol, ethanol and acetonitrile which has low toxicity as well as good water solubility are recommended as optimal organic solvent to use in aquatic toxicity tests with Korean native cladocerans tested.
Keywords
organic solvent; acute toxicity; Daphnia obtusa; Daphnia sp.; Moina macrocopa; Simocephalus vetulus;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
연도 인용수 순위
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