Biosynthesis of palladium nanoparticles by using Moringa oleifera flower extract and their catalytic and biological properties

被引:99
作者
Anand, K. [1 ,2 ]
Tiloke, C. [1 ]
Phulukdaree, A. [1 ]
Ranjan, B. [3 ]
Chuturgoon, A. [1 ]
Singh, S. [3 ]
Gengan, R. M. [2 ]
机构
[1] Univ KwaZulu Natal, Sch Lab Med & Med Sci, Coll Hlth Sci, Discipline Med Biochem & Chem Pathol, Durban, South Africa
[2] Durban Univ Technol, Fac Sci Appl, Dept Chem, Durban, South Africa
[3] Durban Univ Technol, Fac Sci Appl, Dept Biotechnol & Food Technol, Durban, South Africa
基金
新加坡国家研究基金会;
关键词
Moringa oleifera; p-Nitrophenol; PdNPs; A549; cells; Suzuki reaction; PEEL EXTRACT; ANTIBACTERIAL; THIOCARBAMATE; CONSTITUENTS;
D O I
10.1016/j.jphotobiol.2016.09.039
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The biosynthesis of nanostructured biopalladium nanoparticles (PdNPs) from an aqueous solution of crystalline palladium acetate is reported. For the synthesised PdNPs in solution, an agroforest biomass waste petal of Moringa oleifera derived bis-phthalate was used as natural reducing and biocapping agents. Continuous absorption in the UV region and subsequent brown colour change confirmed the formation of PdNPs. A strong surface plasmon peak for PdNPs occurred at 460 nm. PdNPs were characterized by SEM with EDX, FTIR, TEM and DLS. The chemical composition of the aqueous extract was determined by GC-MS coupled with FTIR and (NMR)-N-1. The catalytic degradation effect by PdNPs on industrial organic toxic effluents p-nitrophenol (PNP) and methylene blue dye was monitored by UV Spectroscopy. On the other hand PdNPs catalysed the base mediated suzuki coupling reaction for biphenyl synthesis, in water. Moreover, PdNPs were found to be reusable catalysts. Toxicity studies of PdNPs showed that the death of brine shrimp to be <50%. Therefore, PdNPs displayed potential for further anticancer studies via tumour cell lines. The in vitro cytotoxicity evaluation of the extract capped nanoparticles was carried out using human lung carcinoma cells (A549) and peripheral lymphocytes normal cells by MIT cell viability assay. Also, PdNPs showed antibacterial activity against Enterococcus faecalis among the different tested strains, including Bacillus cereus, Staphylococcus aureus, Esherichia coli and Candida albicans, Candida utilis. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码:87 / 95
页数:9
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