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

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Text this: A photo-responsive micro/nanomembrane for smart separation and self-cleaning