Synthesis of Silver/Zinc@Lignin nanoparticles using peanut shells: photocatalytic and biological activity.

IF 3.5 3区生物学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

AMB Express Pub Date : 2025-05-26 DOI:10.1186/s13568-025-01892-8

Mahshid Shafiee, Zahra Sabouri, Asma Mostafapour, Majid Darroudi

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引用次数: 0

Abstract

In this paper, zinc and silver-doped lignin nanoparticles (Ag/Zn@Lignin nanoparticles) were synthesized in two steps using peanut outer shells. The optical properties of NPs were analyzed through UV-Vis and PL measurements, while X-ray analysis approved their crystal structure. The surface characteristics and chemical composition of NPs were identified using FTIR analysis. TEM images of Ag/Zn@Lignin nanoparticles showed spherical morphology with an average size of about 22.71 nm. The antibacterial activity of Ag/Zn@Lignin nanoparticles was assessed against gram-negative and gram-positive bacteria, and the results exhibited strong antibacterial properties against the pathogenic strain compared to the standard. The MTT test results indicated that Ag/Zn@Lignin nanoparticles were more sensitive against cancer cells (Huh-7) in comparison with normal cells (L929), and IC₅₀ values were reported as 122.9 and 389 µg/mL in order. Also, photocatalytic effects displayed the high ability of Ag/Zn@Lignin nanoparticles to degrade organic pigments such as Rhodamine B (98.8%, RhB) and Methylene blue (98.8%, MB) under UV light.

查看原文本刊更多论文

利用花生壳合成银/Zinc@Lignin纳米粒子：光催化和生物活性。

本文以花生外壳为原料，分两步合成了锌掺杂和银掺杂的木质素纳米颗粒（Ag/Zn@Lignin纳米颗粒）。通过UV-Vis和PL测量分析了NPs的光学性质，x射线分析证实了它们的晶体结构。利用FTIR分析鉴定了NPs的表面特征和化学成分。Ag/Zn@Lignin纳米颗粒的TEM图像显示为球形，平均尺寸约为22.71 nm。测定了银/Zn@Lignin纳米颗粒对革兰氏阴性菌和革兰氏阳性菌的抑菌活性，结果表明银/Zn@Lignin纳米颗粒对革兰氏阴性菌和革兰氏阳性菌具有较强的抑菌活性。MTT实验结果表明，Ag/Zn@Lignin纳米颗粒对癌细胞（Huh-7）的杀伤作用比正常细胞（L929）更敏感，IC50值依次为122.9µg/mL和389µg/mL。此外，Ag/Zn@Lignin纳米粒子在紫外光下对罗丹明B （98.8%, RhB）和亚甲基蓝（98.8%，MB）等有机颜料具有较高的降解能力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

AMB Express BIOTECHNOLOGY & APPLIED MICROBIOLOGY-

CiteScore

7.20

自引率

2.70%

发文量

141

审稿时长

13 weeks

期刊介绍： AMB Express is a high quality journal that brings together research in the area of Applied and Industrial Microbiology with a particular interest in ''White Biotechnology'' and ''Red Biotechnology''. The emphasis is on processes employing microorganisms, eukaryotic cell cultures or enzymes for the biosynthesis, transformation and degradation of compounds. This includes fine and bulk chemicals, polymeric compounds and enzymes or other proteins. Downstream processes are also considered. Integrated processes combining biochemical and chemical processes are also published.