Statistical optimization of experimental parameters for synthesis of manganese carbonate and manganese oxide nanoparticles |
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| Authors: | Seied Mahdi Pourmortazavi Mehdi Rahimi-Nasrabadi Ali Akbar Davoudi-Dehaghani Abdollah Javidan Mir Mahdi Zahedi Seiedeh Somayyeh Hajimirsadeghi |
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| Affiliation: | 1. Department of Materials Science and Engineering, Sharif University of Technology, Azadi Ave., 14588-9694 Tehran, Iran;2. Research Center for Science & Technology in Medicine, Imam Khomeini Hospital, Tehran, Iran;3. Department of Medical Physics, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran;4. Department of Nanobiotechnology, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran;5. Center for Experimental Radiation Oncology, Cancer Care Center, St George Hospital, Kogarah, NSW, Sydney, Australia;6. School of Chemistry, University College of Science, University of Tehran, P.O. Box 14155-6455, Tehran, Iran;1. Department of Botany and Microbiology, College of Science, King Saud University, P. O. Box 2455, Riyadh 11451, Saudi Arabia;2. Department of Food Science and Biotechnology, Sejong University, Republic of Korea;3. Bioprocess Engineering Division, Smykon Biotech, Nagercoil, Kanyakumari, Tamilnadu 629201, India;4. UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology Laboratories, College of Graduate Studies, University of South Africa (UNISA), Muckleneuk Ridge, P O Box 392, Pretoria, South Africa;5. Nanosciences African Network (NANOAFNET), Materials Research Department (MRD), iThemba LABS-National Research Foundation (NRF), 1 Old Faure Road, 7129, P O Box 722, Somerset West, Western Cape Province, South Africa |
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| Abstract: | Taguchi robust design was used for optimization of direct precipitation reaction conditions in order to simple and fast synthesis of manganese carbonate nanoparticles. Manganese carbonate nanoparticles were synthesized in this study by addition of manganese ion solution to the aqueous carbonate reagent. Effects of several reaction variables, such as manganese and carbonate concentrations, flow rate of reagent addition and temperature on particle size of prepared manganese carbonate were investigated. The significance of these parameters in tuning the size of manganese carbonate particles was quantitatively evaluated by analysis of variance. The results showed that manganese concentration and carbonate concentration in the solutions and also flow rate have significant effects in preparation of manganese carbonate nanoparticles. Also, optimum conditions for synthesis of manganese carbonate nanoparticles via precipitation reaction were proposed. Analysis of variance showed that under the optimum condition, the size of manganese carbonate nanoparticles will be about 54 ± 12 nm. In another part of this study, solid state thermal decomposition reaction of precursor was used for preparation of Mn2O3 nanoparticles. The results showed that Mn2O3 nanoparticles synthesized via thermal decomposition of manganese carbonate nanoparticles have average size of 90 nm. |
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