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Microscopic visualization of 1DZnO N1 nanoplatforms’ nanostructural conformation after biofunctionalization and CYFRA 21-1 detection in PBS buffer. (A) TEM images of bare N1, (B) EDS analysis of bare N1, (C) TEM images of biofunctionalization, (D) EDS analysis of biofunctionalization, (E) TEM images of biomarker detection, (F) EDS analysis of detection, (G) compositional mapping by EDS in STEM mode, and (H) FIB micromachining and compositional mapping by EDS.
