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- 저자 : Bahrudeen S. Hameed (검색결과 1 건)
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Medium constituents mediated engineering for size and shape tuning of gold nanocrystallites
Anil K. Suresh,Veena Vijay,Bahrudeen S. Hameed,Sureshkumar Ramasamy,Natarajan Sakthivel 한국공업화학회 2017 Journal of Industrial and Engineering Chemistry Vol.51 No.-
The current investigation introduces the utilization of cell culture mediums as a novel source for the oneplotsynthesis as well as stabilization of metal nanoparticles. By varying the medium constituents wecould control the size and shape distributions of the gold nanoparticles. Nanospheres of diameter24 6 nm and 19 5 nm were produced using DMEM and M199 mediums respectively, nanoneedles of150 50 nm using RPMI medium and nanoflowers of 60 25 nm using IMDM medium, with an overallyield of 91 2%. A remarkable decrease in the reaction duration (<3 min) was noted, irrespective of thegrowth mediums used. Fourier transform infrared spectroscopy and zeta potential measurementsrevealed them to have a common protenacious encapping agent with different overall surface charges of23 3,211,24 2, and20 1 mV for Au@DMEM, Au@RPMI, Au@IMDM andAu@M199 respectively. X-ray diffraction confirmed the purity and crystallinity of the particles withBragg peaks at (111), (200), (220) and (311) for gold nanocrystals. This approach could lead to the creativeutilization of novel eco-friendly sources for the production and size/shape control of nanoparticles. Moreover, the adopted methodology is absolutely green, robust and facile, offering new insights forsustainable synthesis for various biomedical and engineering applications.
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