Abstract Title:

Effects of copper (I) oxide on growth and biochemical compositions of two marine microalgae.

Abstract Source:

J Environ Biol. 2006 Jul;27(3):461-6. PMID: 17402234

Abstract Author(s):

Chi Young Lim, Yong Hoon Yoo, M Sidharthan, Chae Woo Ma, In Chul Bang, Jong Man Kim, Kwang Soo Lee, Nam Sik Park, H W Shin

Article Affiliation:

Department of Marine Biotechnology, Soonchunhyang University, Asan City 336 745, South Korea.


In copper based antifouling (AF) paints Cu (I) oxide was largely used as booster biocide. In this study effect of Cu (I) oxide on two marine microalgae, Tetraselmis suecica and Dunaliella tertiolecta was demonstrated. EC50 (96 hr) concentrations estimated for T. suecica and D. tertiolecta were 1.3 mg l(-1) and 1.34 mg l(-1), respectively. Copper (I) oxide induced changes in growth, chlorophyll, carbohydrate and protein contents were observed in T. suecica and D. tertiolecta. At low concentration of 0.0625 mg l(-1), 3-26% and 1-16% growth stimulation was observed in T. suecica and T. tertiolecta respectively. Increasing Cu (I) oxide concentrations proportionately decreased the carbohydrate and protein contents. This study clearly indicates the toxicity of excessive Cu (I) oxide on growth and biochemical compositions of T. suecica and D. tertiolecta.

Study Type : In Vitro Study
Additional Links
Problem Substances : Copper Oxide : CK(21) : AC(9)

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