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           __   __   _____      _____    ______   
  ____     \ \\/ // |  __ \\   |  ___|| |      \\ 
 |    \\    \ ` //  | |  \ ||  | ||__   |  --  // 
 | [] ||     | ||   | |__/ ||  | ||__   |  --  \\ 
 |  __//     |_||   |_____//   |_____|| |______// 
 |_|`-`      `-`'    -----`    `-----`  `------`  
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發送短信 : Universal one-pot, one-step synthesis of core-shell nanocomposites with self-assembled tannic acid shell and their antibacterial and catalytic activities