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Representative electron microscopic images of silver nanoparticles synthesized by melanin after incubating 500 μg of melanin with 2.5 mM silver nitrate for 10 min at 100°C. SEM images magnified (a) 4,000 X (b) 30,000 X (c) and (d) TEM images at different magnifications (e) representative field SEM-EDS profile of the nanostructures.
