Small Gold Nanoparticles Synthesized with Sodium Citrate ...

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Aug 20, 2014· Gold nanoparticles (GNPs) were prepared using four different plant extracts as reducing and stabilizing agents. The extracts were obtained from the following plants: Salvia officinalis, Lippia citriodora, Pelargonium graveolens and Punica granatum.The size distributions of the GNPs were measured using three different methods: dynamic light scattering, nanoparticle-tracking analysis and ...

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The use of plant materials for the synthesis of nanoparticles could be more advantageous, because it does not require elaborate processes as various biomolecules like proteins, phenols and flavonoids in plants play a vital role in the reduction of silver or gold ions (Sathishkumar et al., 2012).

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Reduction of the silver ion to silver nanoparticles during exposure to the plant leaf extracts could be followed by color change and thus UV-vis spectroscopy. Figure 1 a–c show the UV-vis spectra recorded from the reaction medium as a function of reaction time using Persimmon, Magnolia and Pine leaf broth, respectively. It is observed that ...

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Gold Precipitation Methods - Mineral Processing & Metallurgy

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CO2 Reduction Catalysts and Catalysis

CO2 Reduction Catalysts and Catalysis CHEM 462 Kristina Goldstein . Soomin Park . 1

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