Biosynthesis of silver nanoparticles using Caesalpinia ferrea (Tul.) Martius extract: physicochemical characterization, antifungal activity and cytotoxicity | Zendy

Mônica Regina Pereira Senra Soares | Zendy; Rafael Luís Correa Vasques | Zendy; Pedro Henrique Fazza Stroppa | Zendy; Flávia Campos Marques | Zendy; Gustavo F. S. Andrade | Zendy; Charlane C. Corrêa | Zendy; Marcos Antônio Fernandes Brandão | Zendy; Nádia Rezende Barbosa Raposo | Zendy

Open Access

Biosynthesis of silver nanoparticles using Caesalpinia ferrea (Tul.) Martius extract: physicochemical characterization, antifungal activity and cytotoxicity

Author(s) -

Mônica Regina Pereira Senra Soares,

Rafael Luís Correa Vasques,

Pedro Henrique Fazza Stroppa,

Flávia Campos Marques,

Gustavo F. S. Andrade,

Charlane C. Corrêa,

Marcos Antônio Fernandes Brandão,

Nádia Rezende Barbosa Raposo

Publication year - 2018

Publication title -

peerj

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.927

H-Index - 70

ISSN - 2167-8359

DOI - 10.7717/peerj.4361

Subject(s) - silver nanoparticle , nuclear chemistry , cytotoxicity , chemistry , mtt assay , candida albicans , minimum inhibitory concentration , reducing agent , nanoparticle , antimicrobial , materials science , nanotechnology , biology , botany , organic chemistry , biochemistry , in vitro

Background Green synthesis is an ecological technique for the production of well characterized metallic nanoparticles using plants. This study investigated the synthesis of silver nanoparticles (AgNPs) using a Caesalpinia ferrea seed extract as a reducing agent. Methods The formation of AgNPs was identified by instrumental analysis, including ultraviolet–visible (UV–Vis) spectroscopy, scanning electron microscopy (SEM), X-ray diffraction (XRD) of the AgNPs, and surface-enhanced Raman scattering (SERS) spectra of rhodamine-6G (R6G). We studied the physicochemical characterization of AgNPs, evaluated them as an antifungal agent against Candida albicans, Candida kruzei , Candida glabrata and Candida guilliermondii , and estimated their minimum inhibitory concentration (MIC) and minimum fungicidal concentration (MFC) values. Lastly, this study evaluated the cytotoxicity of the AgNPs in murine L929 fibroblasts cells using an MTT assay. Results The UV–Vis spectroscopy, SERS, SEM and XRD results confirmed the rapid formation of spheroidal 30–50 nm AgNPs. The MIC and MFC values indicated the antifungal potential of AgNPs against most of the fungi studied and high cell viability in murine L929 fibroblasts. In addition, this study demonstrated that C. ferrea seed extracts may be used for the green synthesis of AgNPs at room temperature for the treatment of candidiasis.

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