Green Synthesis of ZnO Nanoparticles via Ganoderma Lucidum Extract: Structural and Functional Analysis in Polymer Composites.

IF 5 3区 化学 Q1 POLYMER SCIENCE Gels Pub Date : 2024-09-04 DOI:10.3390/gels10090576
Ayça Can, Kadriye Kızılbey
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Abstract

Metallic nanoparticles are of growing interest due to their broad applications. This study presents the green synthesis of zinc oxide (ZnO) nanoparticles (ZnNPs) using Ganoderma Lucidum mushroom extract, characterized by DLS, SEM, XRD, and FTIR spectroscopy analyses. The synthesis parameters, including extract/salt ratio and mixing time, significantly influenced nanoparticle yield, size, and polydispersity, with longer mixing times leading to larger, more varied particles. Specifically, the sizes of ZnNPs synthesized at a 1:1 extract/ZnCl2 ratio after 3 h and 24 h were 90.0 nm and 243.3 nm, with PDI values of 48.69% and 51.91%, respectively. At a 1:2 ratio, the sizes were 242.3 nm at 3 h (PDI: 43.19%) and a mixture of 1.5 nm, 117.4 nm, and 647.9 nm at 24 h (PDI: 2.72%, 10.97%, and 12.43%). Polymer films incorporating PVA, chitosan, and ZnNPs were analyzed for their morphological, spectroscopic, and mechanical properties. Chitosan reduced tensile strength and elongation due to its brittleness, while ZnNPs further increased film brittleness and structural degradation. A comparison of the tensile strength of films A and C revealed that the addition of chitosan to the PVA film resulted in an approximately 10.71% decrease in tensile strength. Similarly, the analysis of films B1 and B2 showed that the tensile strength of the B2 film decreased by 10.53%. Swelling tests showed that ZnNPs initially enhanced swelling, but excessive amounts led to reduced capacity due to aggregation. This pioneering study demonstrates the potential of Ganoderma Lucidum extract in nanoparticle synthesis and provides foundational insights for future research, especially in wound dressing applications.

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灵芝提取物绿色合成氧化锌纳米粒子:聚合物复合材料的结构与功能分析
金属纳米粒子因其广泛的应用而日益受到关注。本研究利用灵芝提取物绿色合成了氧化锌(ZnO)纳米颗粒(ZnNPs),并通过 DLS、SEM、XRD 和傅立叶变换红外光谱分析对其进行了表征。合成参数(包括提取物/盐比例和混合时间)对纳米粒子的产量、尺寸和多分散性有显著影响,混合时间越长,粒子越大、越多样。具体而言,萃取液/氯化锌比例为 1:1 时,3 小时和 24 小时后合成的 ZnNPs 尺寸分别为 90.0 nm 和 243.3 nm,PDI 值分别为 48.69% 和 51.91%。在 1:2 的比例下,3 小时后的尺寸为 242.3 nm(PDI:43.19%),24 小时后的尺寸为 1.5 nm、117.4 nm 和 647.9 nm 的混合物(PDI:2.72%、10.97% 和 12.43%)。分析了含有 PVA、壳聚糖和 ZnNPs 的聚合物薄膜的形态、光谱和机械性能。壳聚糖因其脆性而降低了拉伸强度和伸长率,而 ZnNPs 则进一步增加了薄膜的脆性和结构退化。对薄膜 A 和 C 的拉伸强度进行比较后发现,在 PVA 薄膜中添加壳聚糖会导致拉伸强度降低约 10.71%。同样,对薄膜 B1 和 B2 的分析表明,B2 薄膜的拉伸强度降低了 10.53%。膨胀测试表明,ZnNPs 最初能增强膨胀,但过量的 ZnNPs 会因聚集而导致膨胀能力下降。这项开创性的研究证明了灵芝提取物在纳米粒子合成中的潜力,并为未来的研究,特别是伤口敷料应用提供了基础性的见解。
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来源期刊
Gels
Gels POLYMER SCIENCE-
CiteScore
4.70
自引率
19.60%
发文量
707
审稿时长
11 weeks
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