             

             . 

         ,              .      - (UCSD)            .                .  ,         . 

             ,          .     - ,  -           . 

 "           ,          ",   ,     UCSD. "     ,   ,     ,     .     .      ,    " 

              .    ,     ,   ,     ,    ,     .    ,   ,      ,     . 

 "      ,    ",  . "   .       ". 

           ,       .  24    ,           ,      .       ,  . 

           (Journal of the American Chemical Society).