Journal of Nanomaterials / 2013 / Article / Fig 4

Research Article

Interaction of Silver Nanoparticles and Chitin Powder with Different Sizes and Surface Structures: The Correlation with Antimicrobial Activities

Figure 4

UV-vis spectra of original Ag NPs in suspension (original) and supernatants from the postreaction mixtures in which various amounts of chitins G-C, G-D, C, and D reacted with Ag NPs. Excess Ag NPs in the supernatants of the postreaction mixtures decreased as the amount of chitin added increased.

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