أرسل هذا في رسالة قصيرة: Fiber optic interferometer sensor for responsive hydrogel based heavy metal cation detection

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