Carbon-encapsulated iron nanoparticles (CEINs) loaded as agglomerates in HECa-10.
CEIN agglomerates enter the endothelial cells through the endocytic pathway.
CEIN agglomerates affect the Zeta potential of HECa-10 cells.
CEIN agglomerates induce membrane and mitochondrial cytotoxicities in HECa-10 cells.