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Issue 4, 2014
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Synthesis of antibacterial silver-based nanodisks and dendritic structures mediated by royal jelly

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Abstract

The one-step preparation of silver nanoparticles and dendritic structures mediated by aqueous royal jelly solutions has been investigated for the first time. It has been found that royal jelly (RJ) is a complex organic matrix that can be simultaneously used as a reducing and stabilizing agent in the chemical synthesis of colloidal silver-based nanostructures from aqueous AgNO3 solutions, without the requirement of additional reagents or heating sources to initiate the oxidation–reduction reactions. The resulting product consisted of very fine single-crystal disks of Ag and silver 4,4′-dimethyldiazoaminobenzene (a triazenic compound). Both kinds of particles tended to coalesce and form supramolecular dendritic structures, the AgNO3/RJ weight ratio chosen in the synthesis being a key parameter to control the crystal growth and the microstructural properties of the Ag nanodisks. Data obtained from Fourier transform infrared and Raman spectroscopy analysis indicated that these nanostructures are coated by RJ biomolecules (residues of proteins and carbohydrates). In vitro biological assays showed that these nanostructures exhibit a promising enhanced antibacterial activity against both Gram-positive and Gram-negative bacteria.

Graphical abstract: Synthesis of antibacterial silver-based nanodisks and dendritic structures mediated by royal jelly

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Publication details

The article was received on 09 Oct 2013, accepted on 19 Nov 2013 and first published on 20 Nov 2013


Article type: Paper
DOI: 10.1039/C3RA45680C
Citation: RSC Adv., 2014,4, 1650-1658
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    Synthesis of antibacterial silver-based nanodisks and dendritic structures mediated by royal jelly

    R. Mendoza-Reséndez, A. Gómez-Treviño, E. D. Barriga-Castro, N. O. Núñez and C. Luna, RSC Adv., 2014, 4, 1650
    DOI: 10.1039/C3RA45680C

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