Extracellular synthesis gold nanotriangles using biomass of Streptomyces microflavus

IET Nanobiotechnology
Meysam Soltani NejadGholam Hosein Shahidi Bonjar

Abstract

Applications of nanotechnology and nano-science have ever-expanding breakthroughs in medicine, agriculture and industries in recent years; therefore, synthesis of metals nanoparticle (NP) has special significance. Synthesis of NPs by chemical methods are long, costly and hazardous for environment so biosynthesis has been developing interest for researchers. In this regard, the extracellular biosynthesis of gold nanotriangles (AuNTs) performed by use of the soil Streptomycetes. Streptomycetes isolated from rice fields of Guilan Province, Iran, showed biosynthetic activity for producing AuNTs via in vitro experiments. Among all 15 Streptomyces spp. isolates, isolate No. 5 showed high biosynthesis activity. To determine the bacterium taxonomical identity at genus level, its colonies characterised morphologically by use of scanning electron microscope. The polymerase chain reaction (PCR) molecular analysis of active isolate represented its identity partially. In this regard, 16S rRNA gene of the isolate was amplified using universal bacterial primers FD1 and RP2. The PCR products were purified and sequenced. Sequence analysis of 16S rDNA was then conducted using National Center for Biotechnology Information Basic Local Alignment Se...Continue Reading

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Citations

Nov 22, 2017·Scientia pharmaceutica·Mehrdad KhatamiManouchehr Khatami
May 10, 2017·IET Nanobiotechnology·Mohadeseh Hassanisaadi, Gholam Hosein Shahidi Bonjar
May 31, 2018·Iranian Journal of Biotechnology·Mehrdad KhatamiHossein Heli
Dec 3, 2016·IET Nanobiotechnology·Shahla HashemiNazi Nadernejad

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