Biosynthesis of Silver Nanoparticles on Orthodontic Elastomeric Modules: Evaluation of Mechanical and Antibacterial Properties

被引：55
作者：
Hernandez-Gomora, Alma E. [1 ,2 ]
Lara-Carrillo, Edith [1 ,2 ]
Robles-Navarro, Julio B. [1 ]
Scougall-Vilchis, Rogelio J. [2 ]
Hernandez-Lopez, Susana [3 ]
Medina-Solis, Carlo E. [4 ]
Morales-Luckie, Raul A. [5 ]
机构：
[1] Univ Autonoma Estado Mexico, Fac Odontol, Toluca 50120, Estado De Mexic, Mexico
[2] Univ Autonoma Estado Mexico, Ctr Invest & Estudios Avanzados Odontol, Toluca 50130, Estado De Mexic, Mexico
[3] Univ Autonoma Estado Mexico, Fac Quim, Paseo Colon Intersecc Paseo Tollocan S-N, Toluca 50120, Estado De Mexic, Mexico
[4] Univ Autonoma Estado Hidalgo, Inst Ciencias Salud, Area Acad Odontol, Pachuca 42039, Hidalgo, Mexico
[5] Univ Autonoma Estado Mexico, Ctr Conjunto Invest Quim Sustentable UAEM, UNAM, Carretera Toluca Atlacomulco Km 14-5, Toluca 50200, Estado De Mexic, Mexico
来源：
MOLECULES | 2017年 / 22卷 / 09期
关键词：
biosynthesis; silver nanoparticles; orthodontic elastomeric modules; physical properties; antibacterial activity; WHITE-SPOT LESIONS; STREPTOCOCCUS-MUTANS; HETEROTHECA-INULOIDES; QUATERNARY AMMONIUM; BOND STRENGTH; DENTAL-CARIES; LEAF EXTRACT; LASER; PREVALENCE; IMPLANTS;
D O I：
10.3390/molecules22091407
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
In the present study, silver nanoparticles (AgNPs) were synthesized in situ on orthodontic elastomeric modules (OEM) using silver nitrate salts as metal-ion precursors and extract of the plant Hetheroteca inuloides (H. inuloides) as bioreductant via a simple and eco-friendly method. The synthesized AgNPs were characterized by UV-visible spectroscopy; scanning electron microscopy-energy-dispersive spectroscopy (SEM-EDS) and transmission electron microscopy (TEM). The surface plasmon resonance peak found at 472 nm confirmed the formation of AgNPs. SEM and TEM images reveal that the particles are quasi-spherical. The EDS analysis of the AgNPs confirmed the presence of elemental silver. The antibacterial properties of OEM with AgNPs were evaluated against the clinical isolates Streptococcus mutans, Lactobacillus casei, Staphylococcus aureus and Escherichia coli using agar diffusion tests. The physical properties were evaluated by a universal testing machine. OEM with AgNPs had shown inhibition halos for all microorganisms in comparison with OEM control. Physical properties increased with respect to the control group. The results suggest the potential of the material to combat dental biofilm and in turn decrease the incidence of demineralization in dental enamel, ensuring their performance in patients with orthodontic treatment.
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页数：14
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