Trends in Sustainable Green Synthesis of Silver Nanoparticles Using Agri-Food Waste Extracts and Their Applications in Health

Figure 11

Formation of silver nanoparticles from phenolic acids present in the coffee waste extract: (a) HPLC chromatograms, (b) silver nanoparticles shape, and (c) (c1–c3) corroboration of nanoparticle synthesis by UV-vis. Adapted from El-Desouky [220].

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(b)

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