Biosynthesis of gold nanoparticles by the tropical marine yeast Yarrowia lipolytica NCIM 3589

被引：196

作者：

Agnihotri, Mithila ^{[2
]}

Joshi, Swanand ^{[2
]}

Kumar, Ameeta Ravi ^{[1
,2
]}

Zinjarde, Smita ^{[1
,2
]}

Kulkarni, Sulabha ^{[1
]}

机构：

[1] Univ Poona, Dept Phys, DST Unit Nanosci, Pune 411007, Maharashtra, India

[2] Univ Poona, Inst Bioinformat & Biotechnol, Pune 411007, Maharashtra, India

来源：

MATERIALS LETTERS | 2009年 / 63卷 / 15期

关键词：

Crystal growth; Nanomaterials; Yarrowia lipolytica; Electron microscopy;

D O I：

10.1016/j.matlet.2009.02.042

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The synthesis of gold nanoparticles by the non-conventional yeast Yarrowia lipolytica is described. Optical images. scanning electron microscopy (SEM) and energy dispersive spectrum analysis revealed the presence of gold crystals at pH 2.0. At pH 7.0 and pH 9.0. nanoparticles displayed a characteristic peak at 540 nm and their presence was confirmed by XRD studies. Both the yeast and filamentous forms synthesized nanoparticles under a variety of conditions. SEM and transmission electron microscopy (TEM) showed that nanoparticles were associated with the cell wall. This paper thus describes a novel application of the abundantly available biomass of Y. lipolytica. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：1231 / 1234

页数：4

共 19 条

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