EXTRACTION OF INTRACELLULARLY SYNTHESISED SILVER NANOPARTICLES USING FUNGI VERTICILLIUM TERRESTRE. By: Author: Mr. Imran Latif Patel‚ (T.Y.B.Sc.Biotechnology) Co-Author: Prof. Mrs. Ragini Deshpande. (M.Phil‚ Biophysics) New Arts‚ Com. And Science college‚ Ahmednagar. (University of Pune.) ABSTRACT: Nanobiotechnolgy has become the subject of discussion at global level. Nanoparticles are proving themselves “VITAL” in various
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Green synthesis of metal nanoparticles using plants Siavash Iravani* Received 10th April 2011‚ Accepted 20th July 2011 DOI: 10.1039/c1gc15386b In recent years‚ the development of efficient green chemistry methods for synthesis of metal nanoparticles has become a major focus of researchers. They have investigated in order to find an eco-friendly technique for production of well-characterized nanoparticles. One of the most considered methods is production of metal nanoparticles using organisms. Among
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activity of silver nanoparticles with different sizes ´ ´ ˜´ ˜ G. A. Martınez-Castanon Æ N. Nino-Martınez Æ ´ ´ F. Martınez-Gutierrez Æ J. R. Martınez-Mendoza Æ Facundo Ruiz Received: 29 January 2008 / Accepted: 22 May 2008 / Published online: 2 July 2008 Ó Springer Science+Business Media B.V. 2008 Abstract Silver nanoparticles with different sizes (7‚ 29‚ and 89 nm mean values) were synthesized using gallic acid in an aqueous chemical reduction method. The nanoparticles were characterized
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Synthesis of Gold nanoparticles and characterization by Dynamic Light Scattering (DLS) technique Group 3 Amber McCreary Jared Slaydon Marc Thompson Maurice Townsend Martin Wright Introduction Dynamic light scattering (DLS)‚ also referred to as photon correlation spectroscopy or quasi-elastic light scattering‚ is a procedure used commonly for characterizing particle size and size distribution of nanoparticles in suspension or polymers in solutions. This technique is based on the Brownian
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Journal of Nanobiotechnology This Provisional PDF corresponds to the article as it appeared upon acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon. Effect of iron oxide and gold nanoparticles on bacterial growth leading towards biological application Journal of Nanobiotechnology 2011‚ 9:34 doi:10.1186/1477-3155-9-34 Saptarshi Chatterjee (saptarshi_gcc07@yahoo.co.in) Arghya Bandyopadhyay (arghya.micro@gmail.com) Keka Sarkar (keka@klyuniv.ac.in) ISSN
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RECENT DEVELOPMENTS IN NANOPARTICLES. INTRODUCTION Nanotechnology is a multidisciplinary scientific field undergoing explosive development. Nanometer-sized particles offer novel structural‚ optical and electronic properties that are not attainable with individual molecules or bulk solids. Advances in nanomedicine can be made by engineering nanoparticles that are capable of targeted delivery of drugs. This leads toward the concept and possibility of personalized medicine for the potential
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biomedical fields. At last‚ the paper identifies the opportunities for future research. ------------------------------------------------- 1. Introduction Nanofluids are a new class of fluids engineered by dispersing nanometer-sized materials (nanoparticles‚ nanofibers‚ nanotubes‚ nanowires‚ nanorods‚ nanosheet‚ or droplets) in base fluids. In other words‚ nanofluids are nanoscale colloidal suspensions containing condensed nanomaterials. They are two-phase systems with one phase (solid phase) in another
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MED that could be used in applied set-ups. There are some considerable variations in measurements obtained from measurement platform‚ which are a large extent related to variations in the metal molecule interface. This paper uses nanoelectrode/nanoparticle-bridge platform to provide a stable foundation for a MED‚ the electrical characterization carried out on 1-alkanethiols which are considered as model molecules in MEDs. The conduction properties of molecular junction with four different configurations
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Lethal nanopowder Researchers develop water-soluble carbon nanoparticles that arrest growth of mosquitoes beyond the larval stage Larvae of Culex mosquito (Photo: James Gathany‚ CDC) RESEARCHERS from Bengal Engineering and Science University in Howrah‚ West Bengal‚ claim to have found a cheap and effective way of controlling mosquito breeding: water-soluble carbon nanoparticles (wsCNPs). In a paper published online on September 12 in RSC Advances‚ the researchers
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know about Nanoparticles earlier ????? Purple gold synthesized by Michael Faraday in 1889‚ stored in British Museum Lycurgus cup: It appears green in reflected light‚ but appears red when light is shone from inside‚ and is transmitted through the glass. Gold nanoparticles were used as a pigment of ruby-colored stained glass dating back to the 17th century. A picture of the Rose Window of the Cathedral of Notre Dame. The bright red and purple colors are due to gold nanoparticles. People
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