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  ______   __   __   ______      ___      _____   
 /_____//  \ \\/ // |      \\   / _ \\   / ____|| 
 `____ `    \ ` //  |  --  //  / //\ \\ / //---`' 
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 /_//        `-`'   `------`  `-`   `-`   `----`  
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Text this: Biofilm detachment by self-collapsing air microbubbles : a potential chemical-free cleaning technology for membrane biofouling