Spectral characterization of biosynthesized silver nanomodified poly(methyl methacrylate) resin for denture applications.

IF 1 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

The Journal of Indian Prosthodontic Society Pub Date : 2025-04-01 Epub Date: 2025-04-11 DOI:10.4103/jips.jips_455_24

Lata Shankrappa Mushannavar, Ramesh K Nadiger

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引用次数: 0

Abstract

Aim: The aim was to investigate the interaction of the biosynthesized silver nanoparticles (AgNPs) with poly (methyl methacrylate) (PMMA) denture base resin using Fourier transform infrared (FTIR) spectroscopy.

Settings and design: This was a comparative in vitro study.

Materials and methods: In the present study, AgNPs were biosynthesized using Trigonella foenum-graecum leaf extract. The biosynthesized AgNPs at concentrations 32 and 64 μg/ml were incorporated into PMMA, and characterization was carried out using FTIR spectroscopy.

Statistical analysis used: None, as only one sample from each group was subjected for FTIR spectroscopy.

Results: The biosynthesis of AgNPs was confirmed by a color change from green to brown. When compared to the control group, the test group showed no changes in the band locations for C = C and C = O. Importantly, the infrared spectra of all specimens with AgNP additives exhibited the distinctive peaks associated with PMMA.

Conclusion: Based on the study's limitations, it was determined that AgNPs had physically interacted with the PMMA matrix.

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义齿用生物合成银纳米改性聚甲基丙烯酸甲酯树脂的光谱表征。

目的：利用傅里叶变换红外光谱（FTIR）研究生物合成银纳米粒子（AgNPs）与聚甲基丙烯酸甲酯（PMMA）义齿基托树脂的相互作用。环境和设计：这是一项体外比较研究。材料与方法：本研究以葫芦巴叶提取物为原料合成AgNPs。将浓度为32和64 μg/ml的生物合成AgNPs掺入PMMA中，利用FTIR光谱进行表征。使用的统计分析：没有，因为每组只有一个样本进行FTIR光谱分析。结果：AgNPs的颜色由绿色变为棕色，证实其生物合成。与对照组相比，实验组C = C和C = o的波段位置没有变化。重要的是，所有添加AgNP的样品的红外光谱都呈现出与PMMA相关的独特峰。结论：基于本研究的局限性，确定AgNPs与PMMA基质存在物理相互作用。

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