أرسل هذا في رسالة قصيرة: A sensitive and disposable graphene oxide electrochemical immunosensor for label-free detection of human immunoglobulin G

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