Fig. 1From: Metal ions/nucleotide coordinated nanoparticles comprehensively suppress tumor by synergizing ferroptosis with energy metabolism interferenceCharacterization of FeGPNPs based on metal and nucleotide coordination. a TEM image of FeGPNPs. b EDX mapping of FeGPNPs. c Survey XPS spectrum of FeGPNPs. d–f High-resolution XPS spectra of N 1s, Fe 2p, and P 2p, respectively. g TEM images of nanoparticles obtained using different metal ions and nucleotidesBack to article page