發送短信 : Chitosan-hydrogel-based fiber optic sensor for heavy metal ion detection

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