Algal bloom inhibition through cobalt nano particles to control Oscillatoria growth in fresh water lakes
Lecturer in Biology Department, Education Faculty, Parwan University, Afghanistan.
Review Article
GSC Advanced Research and Reviews, 2020, 03(02), 031-038.
Article DOI: 10.30574/gscarr.2020.3.2.0035
Publication history:
Received on 13 May 2020; revised on 15 May 2020; accepted on 18 May 2020
Abstract:
Cobalt nano particles (CoNPs) were synthesized and tested against microalgae isolated from fresh water cyanobacterial blooms by assessing the effects on growth rate, biomass concentration and biochemical parameters. Oscillatoria was identified as the predominant isolate from algal blooms and treated with varying concentrations (1, 2, 3, 4 and 5 mg L-1) of CoNPs. Steady decline in the growth rate of microalgae was observed at the end of 5 days indicating the toxicity of CoNPs on microalgal growth. At the end of cultivation period, 88% of reduction in biomass concentration of Microcystis and Oscillatoria were observed at 5 mg L-1 of CoNPs. Both protein and carbohydrate contents of the microalgae were reduced with increasing concentration of nano particles. Based on the findings, this study demonstrates the efficiency of cobalt nano particles (CoNPs) on inhibition of fresh water algal blooms thereby reducing the eutrophication problem.
Keywords:
Microalgae; Nano particles; Algal bloom; Oscillatoria; Cobalt nanoparticles
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Copyright © 2020 Author(s) retain the copyright of this article. This article is published under the terms of the Creative Commons Attribution Liscense 4.0
