Facile and scalable fabrication engineering of fullerenol nanoparticles by improved alkaline-oxidation approach and its antioxidant potential in maize |
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| Authors: | Fu-yang Liu Feng-xia Xiong Yi-kang Fan Juan Li He-zhong Wang Geng-mei Xing Feng-ming Yan Fu-ju Tai Rui He |
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| Institution: | 1.Collaborative Innovation Center of Henan Grain Crops, State Key Laboratory of Wheat and Maize Crop Science, College of Life Science,Henan Agricultural University,Zhengzhou,China;2.NanoAgro Center, College of Plant Protection,Henan Agricultural University,Zhengzhou,China;3.Lab. for Bio-Environmental Health Sciences of Nanoscale Materials, Institute of High Energy Physics,Chinese Academy of Sciences,Beijing,China |
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| Abstract: | A feasible in operation, labor-saving and low-cost one-step technology to fabricate fullerenol nanoparticles (FNPs) up to 10 g in laboratory was developed by improved alkaline-oxidation approach using moderately concentrated sodium hydroxide solution as the hydroxylation agent and o-dichlorobenzene as the solvent. This strategy paves the avenue for industrial-scale bulk production of FNPs. The resulted product, C60(OH)22·8H2O]n, were characterized by various measurements including matrix-assisted laser desorption ionization time-of-flight mass spectrometry, high-resolution 1H nuclear magnetic resonance spectrometry, Fourier transform infrared spectroscopy, UV-Visible spectrophotometer, thermogravimetric analysis, differential scanning calorimetry, dynamic light scattering analysis, scanning electron microscopy, and electron spin resonance spectrometer. Radical scavenging assay in vitro confirmed the high efficiency of water-soluble C60(OH)22·8H2O]n as a novel radical scavenger. Furthermore, C60(OH)22·8H2O]n as an excellent candidate has the potential to serve as the plant defense stimulation agent in maize. |
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