Fig. 6From: Preparation and application of FNAOSiPPEA/Cu(II) as a novel magnetite almondshell based Lewis acid-Bronsted base nano-catalyst for the synthesis of pyrimidobenzothiazolesVSM analysis of (a) Fe3O4 NPs, b FNAOSiPPEA and c FNAOSiPPEA/Cu(II)Back to article page