Prunus x yedoensis tree gum mediated synthesis of platinum nanoparticles with antifungal activity against phytopathogens

被引：55

作者：

Velmurugan, Palanivel ^{[1
]}

Shim, Jaehong ^{[2
]}

Kim, Kangmin ^{[1
]}

Oh, Byung-Taek ^{[1
]}

机构：

[1] Chonbuk Natl Univ, Coll Environm & Bioresource Sci, Adv Inst Environm & Biosci, Div Biotechnol, Iksan 570752, Jeonbuk, South Korea

[2] Univ Nebraska, Sch Nat Resources, Lincoln, NE 68583 USA

来源：

MATERIALS LETTERS | 2016年 / 174卷

基金：

新加坡国家研究基金会;

关键词：

Platinum nanoparticles; Antifungal; Plant pathogen; Optimization; FTIR; TEM; SILVER NANOPARTICLES; ANTIBACTERIAL ACTIVITY; GREEN SYNTHESIS; EXTRACT;

D O I：

10.1016/j.matlet.2016.03.069

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Green synthesis of platinum nanoparticles (PtNPs) using Prunus x yedoensis tree gum extract was studied. Color changes, ultraviolet-visible spectra (277 nm), X-ray diffraction peaks (2 theta=38.17, 45.54, and 68.12), and Fourier transform infrared spectroscopy confirmed the presence of PtNPs. Transmission electron microscopy shows that PtNPs are mostly spherical and oval in shape, with an average particle size of 10-50 nm. Chemical constituents present in the gum extract may be responsible for the reduction of Pt ion. Among the five phytopathogens tested, the two pathogens Colletotrichum acutatum and Cladosporium fulvum show 15 mm and 18 mm zones of inhibition against synthesized PtNPs at 4 and 8 mu g/well, respectively. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：61 / 65

页数：5

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