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Comparative Study on Genotoxicity of Nano-Zinc Oxide and Bulk-Zinc Oxide Based on Micronucleus Test Technique of V. faba. Root Tip Cells

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Objectives: This paper focuses on comparing the micronucleus effect and evaluating genotoxicity of nano-zinc oxide and bulk-zinc oxide based on V. faba. root tip cells. Methods: The different concentration of nano-ZnO and bulk-ZnO suspensions are used as mutagens, meanwhile, the paper calculates the micronucleus permillage of V. faba. root tip cells exposed by different treatment liquid. Results: 1. Both nano-ZnO and bulk-ZnO suspensions can induce higher micronucleus permillage. The micronucleus permillage induced by different concentration of nano-ZnO and bulk-ZnO are all higher than the negative control group. The significance comparison of micronucleus permillage between bulk-ZnO and negative control group is significant (p < 0.05) and the significance comparison between nano-ZnO and negative control group is extremely significant (p < 0.01), both of difference comparison have statistical significance. 2. The micronucleus permillage which is induced by nano-ZnO is higher than bulk-ZnO on the equal concentration. The significance comparison of them is extremely significant (p < 0.01), the comparison has statistical significance. The genotoxicity to V. faba. root tip cells of nano-ZnO is higher than bulk-ZnO. 3. It has stronger operability and scientificalness that we use the optimized micronucleus test technique of V. faba. root tip cells to evaluate genotoxicity of manufactured nanomaterials.
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Keywords: BULK-ZINC OXIDE; GENOTOXICITY; MICRONUCLEUS PERMILLAGE; NANO-ZINC OXIDE; V. FABA. ROOT TIP CELL

Document Type: Research Article

Publication date: October 1, 2017

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  • The goal of the creation of a biobased economy is challenging to agriculture, forestry, academia, government and industry. The extractable resources of the Earth are finite, regardless of the quibble over when they will be depleted. The economic, political and social demands for biobased chemicals, materials and energy are expected to radically transform the materials industries, particularly the plastics industry as well as the biofuel industry. These changes will be based on the principles of sustainability, eco-efficiency, industrial ecology, and green chemistry and engineering. In keeping with the growth of knowledge in this field, there is a strong need for a forum to share original research related to biobased materials and bioenergy. The Journal of Biobased Materials and Bioenergy (JBMB) has been created as an international peer-reviewed periodical to fulfill the need for communication in these research areas. This journal will encompass related research activities in all fields of science, engineering and the life sciences.
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