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  ______   __   __   __   __     ___       _____  
 /_   _//  \ \\/ //  \ \\/ //   / _ \\    / ___// 
   | ||     \ ` //    \   //   / //\ \\   \___ \\ 
  _| ||      | ||     / . \\  |  ___  ||  /    // 
 /__//       |_||    /_//\_\\ |_||  |_|| /____//  
 `--`        `-`'    `-`  --` `-`   `-` `-----`

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Text this: Highly permeable acid-resistant polyamine hollow fiber nanofiltration membrane fabricated by secondary interfacial polymerization reactions