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Development of Microbial Nanofactory for Zinc, Magnesium, and Titanium Nanoparticles Production Using Soil Fungi

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To access the nanoparticle production potential over a hundreds of fungi were isolated from the soil and tested with precursor salts of Zn, Mg and Ti. Initially, the nanoparticle size was calculated by using the dynamic light scattering through particle size analyzer. Only 14 fungi isolate were found suitable for nanoparticle biosynthesis. All the fourteen fungal isolate were identified at molecular level, out of which six were identified as Aspergillus flavus, two each as Aspergillus terreus and Aspergillus tubingensis and one each as Aspergillus niger, Rhizoctonia bataticola, Aspergillus fumigatus, and Aspergillus oryzae. To understand the reason of variable potential of nanoparticle production, extracellular protein content was measured. The results suggested that CZR 1 isolate of Aspergillus terreus showing the maximum 1480.98 μg mL–1 extracellular protein contents and have potential for nanoparticle synthesis of all the three Zn, Mg and Ti metals. The 32 kDa protein was responsible for the synthesis of Zn, Mg and Ti nanoparticles from its precursor compound ZnO, MgO and TiO2 respectively.
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Document Type: Research Article

Publication date: October 1, 2013

More about this publication?
  • Bionanoscience attempts to harness various functions of biological macromolecules and integrate them with engineering for technological applications. It is based on a bottom-up approach and encompasses structural biology, biomacromolecular engineering, material science, and engineering, extending the horizon of material science. The journal aims at publication of (i) Letters (ii) Reviews (3) Concepts (4) Rapid communications (5) Research papers (6) Book reviews (7) Conference announcements in the interface between chemistry, physics, biology, material science, and technology. The use of biological macromolecules as sensors, biomaterials, information storage devices, biomolecular arrays, molecular machines is significantly increasing. The traditional disciplines of chemistry, physics, and biology are overlapping and coalescing with nanoscale science and technology. Currently research in this area is scattered in different journals and this journal seeks to bring them under a single umbrella to ensure highest quality peer-reviewed research for rapid dissemination in areas that are in the forefront of science and technology which is witnessing phenomenal and accelerated growth.
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