从 Polyalthia korintii (Dunal) Benth. & Hook.F 叶提取物具有生物和染料降解潜力。

IF 4.1 3区 生物学 Q2 BIOCHEMISTRY & MOLECULAR BIOLOGY
K. E. Hana Mol, Tancia Rosalin, K. K. Elyas
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引用次数: 0

摘要

与物理和化学方法相比,利用植物提取物绿色合成氧化铁纳米颗粒具有成本效益、生态友好和高效率等优点,因此引起了人们的极大兴趣。在当前的研究中,我们介绍了一种利用聚伞花科植物水性叶提取物(PINPs)生产氧化铁纳米粒子的绿色方法。对制备的 PINPs 进行了生物和染料降解潜力评估。使用紫外-可见分光光度计、傅立叶变换红外光谱仪、X 射线衍射研究、场发射扫描电子显微镜和能量色散 X 射线光谱分析对 PINPs 进行了物理化学表征,证实合成样品由氧化铁实体组成,主要呈球形,尺寸范围为 40-60 纳米。PINPs 的总酚类含量为 59.36 ± 1.64 µg GAE/mg。PINPs 的 DPPH 自由基清除率为 89.78 ± 0.07%,ABTS 阳离子清除率为 28.7 ± 0.21%。对不同革兰氏阳性和革兰氏阴性细菌的抗菌活性进行了测试,结果表明 PINPs 对粪肠球菌和肺炎克雷伯菌更有效。检测了 PINPs 对 K562 和 HCT116 的细胞毒性,发现 48 小时的 IC50 值分别为 84.99 ± 4.3 µg/ml 和 79.70 ± 6.2 µg/ml。PINPs 对淋巴细胞、HEK293 细胞和红细胞的活性最低,这证明了 PINPs 的选择性毒性。对库蚊一、二、三和四龄幼虫的毒性(LC 50 值)分别为 40 ± 1.5 毫克/毫升、45 ± 0.8 毫克/毫升、99 ± 2.1 毫克/毫升和 120 ± 3.5 毫克/毫升。最后,利用 PINPs 作为催化剂,在类似芬顿反应中去除亚甲基蓝和甲基橙等纺织染料。结果表明,在类似芬顿反应中,35 分钟内染料降解效率达到 100%。因此,绿色合成的 PINPs 具有抗氧化、抗菌、抗增殖、杀幼虫剂和降解染料的潜力,表明它们适合生物和环境应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Iron oxide nanoparticles derived from Polyalthia korintii (Dunal) Benth. & Hook. F leaves extract exhibits biological and dye degradation potentials

Iron oxide nanoparticles derived from Polyalthia korintii (Dunal) Benth. & Hook. F leaves extract exhibits biological and dye degradation potentials

Green synthesis of iron oxide nanoparticles using plant extracts is of tremendous interest owing to its cost effectiveness, ecofriendly and high efficiency compared to physical and chemical approaches. In the current study, we describe a green approach for producing iron oxide nanoparticles utilizing Polyalthia korintii aqueous leaf extract (PINPs). The prepared PINPs were assessed of their biological and dye degradation potentials. The physico-chemical characterization of PINPs using UV–Visible spectrophotometer, Fourier Transform Infrared Spectroscopy, X-Ray Diffraction studies, Field emission Scanning Electron Microscopy and Energy Dispersive X-ray spectroscopy analysis confirmed the synthesized sample comprised of iron oxide entity, predominantly spherical with the size range of 40–60 nm. Total Phenolic Content of PINPs is 59.36 ± 1.64 µg GAE/mg. The PINPs exhibited 89.78 ± 0.07% DPPH free radical scavenging and 28.7 ± 0.21% ABTS cation scavenging activities. The antibacterial activities were tested against different gram-positive and gram-negative bacteria and PINPs were more effective against Enterococcus faecalis and Klebsiella pneumoniae. Cytotoxicity of PINPs against K562 and HCT116 were measured and IC50 values were found to be 84.99 ± 4.3 µg/ml and 79.70 ± 6.2 µg/ml for 48 h respectively. The selective toxicity of PINPs was demonstrated by their lowest activity on lymphocytes, HEK293 cells, and erythrocytes. The toxicity (LC 50 values) against first, second, third and fourth instar larvae of Culex quinquefasciatus was 40 ± 1.5 mg/mL, 45 ± 0.8 mg/mL, 99 ± 2.1 mg/mL and 120 ± 3.5 mg/mL respectively. Finally, PINPs were utilized to as a catalyst for removal of textile dyes like Methylene blue and methyl orange in a fenton-like reaction. The results showed 100% dye degradation efficiency in a fenton like reaction within 35 min. Thus, the green synthesized PINPs exhibit antioxidant, antibacterial, antiproliferative, larvicidal and dye degradation potentials, indicating their suitability for biological and environmental applications.

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来源期刊
Biometals
Biometals 生物-生化与分子生物学
CiteScore
5.90
自引率
8.60%
发文量
111
审稿时长
3 months
期刊介绍: BioMetals is the only established journal to feature the important role of metal ions in chemistry, biology, biochemistry, environmental science, and medicine. BioMetals is an international, multidisciplinary journal singularly devoted to the rapid publication of the fundamental advances of both basic and applied research in this field. BioMetals offers a forum for innovative research and clinical results on the structure and function of: - metal ions - metal chelates, - siderophores, - metal-containing proteins - biominerals in all biosystems. - BioMetals rapidly publishes original articles and reviews. BioMetals is a journal for metals researchers who practice in medicine, biochemistry, pharmacology, toxicology, microbiology, cell biology, chemistry, and plant physiology who are based academic, industrial and government laboratories.
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