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a: PXRD pattern of the silver nanoparticles formed with (i) YE and (ii) mannitol showing bragg reflections characteristic of crystalline face-centred cubic structure of Ag () and cubic structure of Ag2O ()*. b: Ag nanoparticles formed from 0.1, 0.25 and 0.5 mM AgNO3 autoclaved independently with 53 mM mannitol and 0.1% YE after 1 month with no signs of agglomeration.
