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Molecules 2016, 21(4), 520; doi:10.3390/molecules21040520

Antimicrobial Lemongrass Essential Oil—Copper Ferrite Cellulose Acetate Nanocapsules

1
Smart Materials Group, Nanophysics Department, Istituto Italiano di Tecnologia (IIT), Via Morego 30, 16163 Genoa, Italy
2
Nanostructures Department, Istituto Italiano di Tecnologia (IIT), Via Morego 30, 16163 Genoa, Italy
3
INSTM-RU of Florence and Department of Chemistry, University of Florence, Via Della Lastruccia 3-13, 50019 Sesto F.no, Firenze, Italy
4
Nanochemistry Department, Istituto Italiano di Tecnologia (IIT), Via Morego 30, 16163 Genoa, Italy
5
Biomolecular Nanotechnologies, Istituto Italiano di Tecnologia (IIT), Via Barsanti 1, 73010 Lecce, Italy
6
Nanobiointeractions & Nanodiagnostics, Istituto Italiano di Tecnologia (IIT), Via Morego 30, 16163 Genoa, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Alexandru Mihai Grumezescu
Received: 19 February 2016 / Revised: 13 April 2016 / Accepted: 14 April 2016 / Published: 20 April 2016
(This article belongs to the Special Issue Pharmaceutical Nanotechnology: Novel Approaches)
View Full-Text   |   Download PDF [5351 KB, uploaded 22 April 2016]   |  

Abstract

Cellulose acetate (CA) nanoparticles were combined with two antimicrobial agents, namely lemongrass (LG) essential oil and Cu-ferrite nanoparticles. The preparation method of CA nanocapsules (NCs), with the two antimicrobial agents, was based on the nanoprecipitation method using the solvent/anti-solvent technique. Several physical and chemical analyses were performed to characterize the resulting NCs and to study their formation mechanism. The size of the combined antimicrobial NCs was found to be ca. 220 nm. The presence of Cu-ferrites enhanced the attachment of LG essential oil into the CA matrix. The magnetic properties of the combined construct were weak, due to the shielding of Cu-ferrites from the polymeric matrix, making them available for drug delivery applications where spontaneous magnetization effects should be avoided. The antimicrobial properties of the NCs were significantly enhanced with respect to CA/LG only. This work opens novel routes for the development of organic/inorganic nanoparticles with exceptional antimicrobial activities. View Full-Text
Keywords: antimicrobial nanocapsules; lemongrass essential oil; copper ferrite nanoparticles; cellulose acetate; drug delivery; antimicrobial resistance antimicrobial nanocapsules; lemongrass essential oil; copper ferrite nanoparticles; cellulose acetate; drug delivery; antimicrobial resistance
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MDPI and ACS Style

Liakos, I.L.; Abdellatif, M.H.; Innocenti, C.; Scarpellini, A.; Carzino, R.; Brunetti, V.; Marras, S.; Brescia, R.; Drago, F.; Pompa, P.P. Antimicrobial Lemongrass Essential Oil—Copper Ferrite Cellulose Acetate Nanocapsules. Molecules 2016, 21, 520.

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