Fig. 3From: Magnetic COFs as satisfactory support for lipase immobilization and recovery to effectively achieve the production of biodiesel by maintenance of enzyme activityA PXRD patterns of Fe3O4 and Fe3O4@COF-OMe particles (the inset shows the patterns of crystalline COF-OMe). B TGA curves, C magnetic hysteresis curve and D N2 adsorption–desorption isotherms of the magnetic support Fe3O4@COF-OMe and the immobilized enzyme RML@Fe3O4@COF-OMeBack to article page