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Kesan Pendedahan Logam Ni, Fe dan Mn Terhadap Pertumbuhan Anabaena flos-aquae dalam Kultur Statik

Khairiah Jusoh, and Nik Marzuki Sidik, and Mohd. Fahmi Ismail, and Shaanaz Mohd. Yusof, and Tunisah Risman, and Ahmad Mahir Razali, and Lee, Yook Heng, and Mushrifah Idrus, (2008) Kesan Pendedahan Logam Ni, Fe dan Mn Terhadap Pertumbuhan Anabaena flos-aquae dalam Kultur Statik. Sains Malaysiana , 37 (2). pp. 185-188. ISSN 01266039

Full text not available from this repository.

Official URL: http://pkukmweb.ukm.my/~jsm/pdf_files/SM-PDF-37-2-2008/11%20khairiah.pdf

Affiliations

Universiti Kebangsaan Malaysia. Faculty of Science and Technology. Centre for Environmental Sciences and Natural Resources
Universiti Kebangsaan Malaysia. Faculty of Science and Technology. Centre of Studies of Biosciences and Biotechnology
Universiti Kebangsaan Malaysia. Faculty of Science and Technology. Centre for Environmental Sciences and Natural Resources
Universiti Kebangsaan Malaysia. Faculty of Science and Technology. Centre for Environmental Sciences and Natural Resources
Universiti Kebangsaan Malaysia. Faculty of Science and Technology. Centre for Environmental Sciences and Natural Resources
Universiti Kebangsaan Malaysia. Faculty of Science and Technology. Centre for Mathematical Studies.
Universiti Kebangsaan Malaysia. Faculty of Science and Technology. Centre for Studies in Chemistry and Food Technology
Universiti Kebangsaan Malaysia. Faculty of Science and Technology. Centre for Environmental Sciences and Natural Resources

Abstract

The aim of this work is to investigate the effect of exposure of heavy metals such as Ni, Fe and Mn on the growth of the cyanobacteria Anabaena flos-aquae, which can be found in fresh water environment. Results of the experiments showed that exposure of A. flos-aquae to Ni caused the most toxic effect as compared to exposure with Fe and Mn. The 96 hr LC50 value for Ni exposure was 0.321 mg/mL (approximately 30% inhibition), whereas Mn was the second most toxic metal followed by Fe with the 96 hr LC50 values of 0.684 mg/mL and 3.020 mg/mL respectively. This study demonstrated that even though Fe and Mn are essential micronutrients for A. flos-aquae, both show toxic effects at high concentrations. The difference in the toxicity value between Fe and Mn for A. flos-aquae is five times and this indicates that Mn was five times more toxic to A. flos-aquae than Fe suggesting that the Cyanobacteria is more tolerant to Fe when compared with Mn.

Item Type:Journal
Additional Information:Translated title: (Effects of Ni, Fe and Mn Exposures Towards the Growth of Anabaena floss-aquae in the Batchculture)
Keywords:Cyanobacteria; heavy metal; growth; toxic effect; percentage of inhibition
Subjects:Q Science, Computer Science
ID Code:2642

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