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Antifungal Activity and Mechanism of Palladium-Modified Nitrogen-Doped Titanium Oxide Photocatalyst on Agricultural Pathogenic Fungi Fusarium graminearum
J. T. Zhang; Y. Liu; Q. Li; X. P. Zhang; J. K. Shang
2013
Source PublicationAcs Applied Materials & Interfaces
ISSN1944-8244
Volume5Issue:21Pages:10953-10959
AbstractFusarium graminearum is the pathogen for Fusarium head blight (FHB) on wheat, which could significantly reduce grain quality/yield and produce a variety of mycotoxins posing a potential safety concern to human foods. As an environmentally friendly alternative to the commonly used chemical fugicides, a highly effective photocatalytic disinfection of F. graminearu m macroconidia under visible light illumination was demonstrated on a visible-light-activated palladium-modified nitrogen-doped titanium oxide (TiON/PdO) nanoparticle photocatalyst. Because of the opposite surface charges of the TiON/PdO nanoparticles and the F. graminearum macroconidium, the nanopartides were strongly adsorbed onto the macroconidium surface, which is beneficial to the photocatalytic disinfection of these macroconidia. The photocatalytic disinfection mechanism of TON/ PdO nanoparticles on these macroconidia could be attributed to their cell wall/membrane damage caused by the attack from reactive oxygen species (ROSs) as demonstrated by the fluorescence/phase contrast microscopy observations, while a breakage of their cell structure was not necessary for their loss of viability.
description.department[zhang, jingtao ; liu, yang ; li, qi ; shang, jian ku] chinese acad sci, inst met res, shenyang natl lab mat sci, environm funct mat div, shenyang 110016, liaoning provin, peoples r china. [zhang, xiaoping] sichuan agr univ, dept microbiol, coll resource & environm, chengdu 611130, sichuan provinc, peoples r china. [shang, jian ku] univ illinois, dept mat sci & engn, urbana, il 61801 usa. ; li, q (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, environm funct mat div, 72 wenhua rd, shenyang 110016, liaoning provin, peoples r china. ; qili@imr.ac.cn
KeywordFusarium Graminearum Macroconidia Tion/pdo Nanoparticles Photocatalytic Disinfection Visible Light Fluorescence Staining Visible-light Tio2 Nanoparticles Drinking-water In-vitro Disinfection Bacterial Dioxide Spores Film Nanocomposite
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71684
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
J. T. Zhang,Y. Liu,Q. Li,et al. Antifungal Activity and Mechanism of Palladium-Modified Nitrogen-Doped Titanium Oxide Photocatalyst on Agricultural Pathogenic Fungi Fusarium graminearum[J]. Acs Applied Materials & Interfaces,2013,5(21):10953-10959.
APA J. T. Zhang,Y. Liu,Q. Li,X. P. Zhang,&J. K. Shang.(2013).Antifungal Activity and Mechanism of Palladium-Modified Nitrogen-Doped Titanium Oxide Photocatalyst on Agricultural Pathogenic Fungi Fusarium graminearum.Acs Applied Materials & Interfaces,5(21),10953-10959.
MLA J. T. Zhang,et al."Antifungal Activity and Mechanism of Palladium-Modified Nitrogen-Doped Titanium Oxide Photocatalyst on Agricultural Pathogenic Fungi Fusarium graminearum".Acs Applied Materials & Interfaces 5.21(2013):10953-10959.
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