CRYSTAL STRUCTURE AND MAGNETIC PROPERTY STUDIES ON NANOCRYSTALLINE LAUH (IRON) BHASMA-AN AYURVEDIC MEDICINE
Journal Title: International Journal of Ayurveda & Alternative Medicine - Year 2016, Vol 4, Issue 1
Abstract
Ayurveda Bhasma an inorganic medicine has been used since ancient time and claimed to be very useful medicine. However there is a dearth of scientific investigation of these products. We have synthesized Lauh Bhasma by the method mentioned in Ayurveda Sar-Sangrah. The Bhasma was characterized by the X-ray diffractomter (XRD), Vibrating sample magnetometer (VSM), Field Emission Scanning Electron Microscope (FE-SEM), equipped with EDAX and Photoluminescence (PL) Spectrometer. X-ray diffraction analysis revealed that this Bhasma is in nanocrystalline form and be considered as nanomedicine. Average particle size corresponding to prominent peak position is found to be 36nm using Scherrer’s equation. In terms of nanotechnology, nanocrystalline materials are solid powder having crystallites size less than 100nm in at least one dimension. Thus prepared material in this work is consider as nanomedicine. EDAX analysis confirmed the presence of the elements, Fe, O, Al, Ni, Sm, Na and K in which Fe is the major element with weight percentage of 45.6. Magnetization-Hysteresis loop study by the Vibrating sample magnetometer reveals the magnetic nature of the Bhasma, which is due to iron in large amount. The magnetization, coercivity and retentivity of these materials are found to be 23.15 emu/g, 311.71 Oe and 2.11 emu/g respectively. Luminescence in Lauh Bhasma was observed in visible-NIR region with 13 peaks upon excitation of 200eV Laser source. This investigation reveals that, the Lauh Bhasma not only can be used as a very good nanomedicine but also can be employed as magnetic materials for various technological applications due to both magnetic as well as luminescence properties. The advantage is that, the preparation is natural which will be ecofriendly and cost-effective.
Authors and Affiliations
RakeshKumar Singh, Sanjay Kumar
Keywords
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