Text this: How strong is the edge effect in the adsorption of anticancer drugs on a graphene cluster?

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