Fabrication of Au/Pd alloy nanoparticle/Pichia pastoris composites: a microorganism-mediated approach

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	Fabrication of Au/Pd alloy nanoparticle/Pichia pastoris composites: a microorganism-mediated approach
	Chen, Huimei ; Sun, Daohua ; Jiang, Xinde ; Jing, Xiaolian ; Lu, Fenfen ; Odoom-Wubah, Tareque ; Zheng, Yanmei ; Huang, Jiale ; Li, Qingbiao ; Sun DH(孙道华) ; Jing XL(景孝廉) ; Zheng YM(郑艳梅) ; Huang JL(黄加乐) ; Li QB(李清彪)
刊名	http://dx.doi.org/10.1039/c3ra41215f
	2013
关键词	GOLD NANOPARTICLES BIMETALLIC NANOPARTICLES METAL NANOPARTICLES EXTRACELLULAR BIOSYNTHESIS PALLADIUM NANOPARTICLES SILVER NANOPARTICLES HYDROGENATION REDUCTION CATALYSTS NANOMATERIALS
英文摘要	Fundamental Research Funds for Central Universities [2010121051]; NSFC projects [21106117, 21036004]; Synthesis of metal nanoparticles (NPs) is in the limelight in modern nanotechnology. In this present study, bimetallic Au/Pd NP/Pichia pastoris composites were successfully fabricated through a one-pot microbial reduction of aqueous HAuCl4 and PdCl2 in the presence of H-2 as an electron donor. Interestingly, flower-like alloy Au/Pd NP/Pichia pastoris composites were obtained under the following conditions, NaCl concentration 0.9% (w/v), molar ratio of Au/Pd (1 : 2) and the time for pre-adsorption of Au(III) and Pd(II) ions 15 min, through fresh yeast reduction. The mapping results from scanning transmission electron microscopy (STEM) with a high-angle annular dark field detector confirmed that the Au/Pd NPs on the surface of the yeast were indeed alloy. Furthermore, the energy dispersive X-ray (EDX) and X-ray photoelectron spectroscopy (XPS) measurements showed that the composition of the bimetallic NPs were consistent with the initial molar ratio of the precursors.
语种	英语
出版者	ROYAL SOC CHEMISTRY
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/88741]
专题	化学化工－已发表论文
推荐引用方式 GB/T 7714	Chen, Huimei,Sun, Daohua,Jiang, Xinde,et al. Fabrication of Au/Pd alloy nanoparticle/Pichia pastoris composites: a microorganism-mediated approach[J]. http://dx.doi.org/10.1039/c3ra41215f,2013.
APA	Chen, Huimei.,Sun, Daohua.,Jiang, Xinde.,Jing, Xiaolian.,Lu, Fenfen.,...&李清彪.(2013).Fabrication of Au/Pd alloy nanoparticle/Pichia pastoris composites: a microorganism-mediated approach.http://dx.doi.org/10.1039/c3ra41215f.
MLA	Chen, Huimei,et al."Fabrication of Au/Pd alloy nanoparticle/Pichia pastoris composites: a microorganism-mediated approach".http://dx.doi.org/10.1039/c3ra41215f (2013).