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Green Synthesis of Silver Nanoparticles of IAngelica Gigas/I Fabricated by Hot-Melt Extrusion Technology for Enhanced Antifungal Effects
Materials, 2022-10, Vol.15 (20)
[Peer Reviewed Journal]
COPYRIGHT 2022 MDPI AG ;ISSN: 1996-1944 ;EISSN: 1996-1944 ;DOI: 10.3390/ma15207231
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Title:
Green Synthesis of Silver Nanoparticles of IAngelica Gigas/I Fabricated by Hot-Melt Extrusion Technology for Enhanced Antifungal Effects
Author:
Ryu, Suji
;
Nam, Seoul-Hee
;
Baek, Jong-Suep
Subjects:
Analysis
;
Antifungal agents
;
Infrared spectroscopy
;
Silver
Is Part Of:
Materials, 2022-10, Vol.15 (20)
Description:
Green synthesis for synthesizing silver nanoparticles (AgNPs) has been suggested as an environmentally friendly alternative to conventional physical/chemical methods. In this study, we report the green synthesis of AgNPs using a hot-melt extrusion-processed Angelica gigas Nakai (AGN) (HME-AGN) extract as a reducing agent to increase the water solubility of the active ingredient compared to the existing AGN. The mixture of the AGN extract and AgNO[sub.3] at about 420 nm could not confirm the formation of AgNPs. The synthesis of AgNPs was found to be most advantageous at 60 °C when the mixing ratio of the HME-AGN extract was 9:1 (AgNO[sub.3]-extract, v/v) using 3 mM AgNO[sub.3]. The physicochemical properties of the optimized AgNPs were characterized by UV-Vis spectrophotometer, dynamic light scattering (DLS), zeta potential, transmission electron microscopy (TEM), energy dispersive spectroscopy (EDS), Fourier-transform infrared spectroscopy (FT-IR), and X-ray diffractometer (XRD). DLS showed the particle size average of 102.3 ± 1.35 nm and polydispersity index (PDI) value of 0.314 ± 0.01. The particle surface charge was −35 ± 0.79 mV, confirming the stability of the particles. The particle shape was spherical, as shown through TEM analysis, and the presence of silver ions was confirmed through the EDS results. FT-IR data showed functional groups of biomolecules of the extract involved in the synthesis of AgNPs. The face-centered cubic (FCC) lattice of AgNPs was confirmed in the XRD pattern. The AgNPs had an effective antifungal activity against Candida albicans (C. albicans) that was better than that of the HME-AGN extract. In conclusion, this study suggests that the synthesis of AgNPs was improved by using the HME-AGN extract with increased water solubility through HME. In addition, it was suggested that the synthesized AgNPs can be used as an improved antifungal agent compared with the HME-AGN extract with antifungal activity.
Publisher:
MDPI AG
Language:
English
Identifier:
ISSN: 1996-1944
EISSN: 1996-1944
DOI: 10.3390/ma15207231
Source:
Geneva Foundation Free Medical Journals at publisher websites
AUTh Library subscriptions: ProQuest Central
PubMed Central
ROAD: Directory of Open Access Scholarly Resources
DOAJ Directory of Open Access Journals
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