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Morphology of silica nanoparticles (SiNP) and artificial antibodies of human serum albumin (AAHSA) under microscopy. (a) SEM image shows smooth surface of bare SiNP; (b) SEM image reflects roughness on the surface of synthesized AAHSA; (c) TEM image of bare SiNP; and (d) TEM image of AAHSA.
