Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China.
Division of Biochemistry, Department of Chemistry, Van Yuzuncu Yil University, 65090, Van, Turkey.
Chemosphere. 2022 Nov;306:135518. doi: 10.1016/j.chemosphere.2022.135518. Epub 2022 Jun 30.
Among biological applications, plant-mediated Pd NPs for multi-drug resistance (MDR) developed in pathogenic bacteria were synthesized with the help of biomass of lemon peel, a biological material, with a non-toxic, environmentally friendly, human-nature green synthesis method. Characterization of synthesized Pd NPs was carried out by UV-Vis spectrometry, Transmissive Electron Microscopy (TEM), X-ray diffraction (XRD), and Fourier Transform Infrared Spectroscopy (FTIR) techniques. According to TEM analysis, Pd NPs were confirmed to be in a spherical shape and the mean particle size was determined to be 4.11 nm. The crystal structure of Pd NPs was checked using XRD analysis and the mean particle size was observed to be 6.72 nm. Besides, the antibacterial activity of Pd NPs was determined against Escherichia coli (E. coli) (ATCC 8739), Bacillus subtilis (B. subtilis ATCC 6633), Staphylococcus aureus (S. aureus ATCC 6538), Klebsiella pneumoniae (K. pneumoniae ATCC 11296) and Serratia marcescens (S. marcescens ATCC) bacteria. Antibacterial activity was determined to be high in Pd NPs which is in conformance with the results acquired. The Pd NPs showed good photocatalytic activity, after 90 min illumination, about 81.55% and 68.45% of MB and MO respectively were catalysed by the Pd NPs catalyst, and 74.50% of RhB dyes were removed at 120 min of illumination. Within the scope of this project, it is recommended to use Pd NPs obtained by the green synthesis in the future as an antibacterial agent in biomedical use and for the cleaning of polluted waters.
在生物应用中，柠檬皮生物质的帮助下合成了用于多药耐药（MDR）的植物介导的 Pd NPs，这是一种无毒、环保、人与自然绿色的合成方法。通过紫外可见光谱法、透射电子显微镜（TEM）、X 射线衍射（XRD）和傅里叶变换红外光谱（FTIR）技术对合成的 Pd NPs 进行了表征。根据 TEM 分析，Pd NPs 被确认为球形，平均粒径为 4.11nm。使用 XRD 分析检查了 Pd NPs 的晶体结构，观察到平均粒径为 6.72nm。此外，还测定了 Pd NPs 对大肠杆菌（E. coli）（ATCC 8739）、枯草芽孢杆菌（B. subtilis ATCC 6633）、金黄色葡萄球菌（S. aureus ATCC 6538）、肺炎克雷伯菌（K. pneumoniae ATCC 11296）和粘质沙雷氏菌（S. marcescens ATCC）的抗菌活性。抗菌活性测定结果表明，Pd NPs 的抗菌活性很高，这与结果相符。Pd NPs 表现出良好的光催化活性，在 90 分钟的光照后，Pd NPs 催化剂分别催化 MB 和 MO 约 81.55%和 68.45%，在 120 分钟的光照下，RhB 染料去除率为 74.50%。在本项目范围内，建议在未来将通过绿色合成获得的 Pd NPs 用作生物医学用途的抗菌剂和受污染水的清洁剂。
