Fig. 6From: Biosynthesis of ternary NiCoFe2O4 nanoflowers: investigating their 3D structure and potential use in gene deliverya Nitrogen adsorption–desorption isotherms, b the BET surface areas, and c BJH of the non-calcined. d Nitrogen adsorption–desorption isotherms, e the BET surface areas, and f BJH of the calcined nanoflowers at 400 °CBack to article page