Study on the Biological Mechanism of the Removal of Microcystis by Low Intensity Ultrasonic Wave
LUO Lingxi
LIN Qiuyue
WANG Bo
Abstract：In this study,with the low intensity ultrasound direct acting on Microcystis,its sedimentation and coagulation were significantly improved,which is conducive to the removal of precipitation.Low intensity ultrasound is a gentle way to remove algae,after low intensity ultrasonic,the cell wall,cell membrane and thylakoid integrity of Microcystis are all intact,and the cell membrane permeability,growth rate and cell activity have no significant influence.But extracellular polymers and phycocyanin increased,and cell had slightly plasmolysis.The Antioxidant enzyme activity and MDA content were improved in different degrees,expecially the content of MDA increased significantly.According to the analysis,the aggregation and sinking of Microcystis may be due to a small amount of Microcystis cell inclusions extravasation and vacuolated artifact rupture,may also be self protection mechanism of Microcystis in response to low intensity ultrasonic wave.
Keywords：ultrasoniclow intensityMicrocystis sp.biological effect
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：6( 14-18,24 )