Fig. 3

(a) The results of the recovery of Pd@HQBI-SPION in the synthesis of phenanthroline-dimedone derivatives. (b) SEM image of Pd@HQBI-SPION after 5th recovery.
(a) The results of the recovery of Pd@HQBI-SPION in the synthesis of phenanthroline-dimedone derivatives. (b) SEM image of Pd@HQBI-SPION after 5th recovery.