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      Development, characterization, and biocompatibility of zinc oxide coupled starch nanocomposites from different botanical sources.

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          Abstract

          Starch nanoparticles (SNP) were prepared from different botanical sources (wheat, potato, mung bean, water chestnut and mango kernels) and these were further coupled with zinc oxide (ZnO) to form starch nanocomposites. The nanocomposites were characterized for their particle size, morphological properties, energy dispersive X-ray spectroscopy (EDX) and their biocompatibility was analyzed by MTT [3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide] assay, using HeLa cells. From the morphological results, it was observed that ZnO forms super molecules with SNP. Further, EDX studies also confirmed the presence of zinc in coupled molecules. The size distribution of ZnO coupled SNP from different botanical sources revealed that the average diameter of nanocomposites ranged between 506 and 1209 nm. ZnO coupled starch nanocomposites were found to be biocompatible with 77-90% cell viability up to 24 h on HeLa cells. Among all botanical sources studied, ZnO coupled mung bean starch nanocomposite showed the highest cell viability (75% up to 50 h) while ZnO coupled potato starch nanocomposite showed the lowest cell viability (65% up to 50 h).

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          Author and article information

          Journal
          Int J Biol Macromol
          International journal of biological macromolecules
          Elsevier BV
          1879-0003
          0141-8130
          Nov 01 2020
          : 162
          Affiliations
          [1 ] Department of Food Science and Technology, Chaudhary Devi Lal University, Sirsa, India.
          [2 ] Department of Food Science and Technology, Guru Nanak Dev University, Amritsar, India.
          [3 ] Department of Food Science and Technology, Maharaja Ranjit Singh Punjab Technical University, Bathinda, India. Electronic address: kssandhu@mrsptu.ac.in.
          [4 ] School of Bioengineering and Food Technology, Shoolini University of Biotechnology and Management Sciences, Bajhol, PO Sultanpur, Distt. Solan 173229, HP, India.
          Article
          S0141-8130(20)33567-4
          10.1016/j.ijbiomac.2020.06.125
          32553979
          6f417eb2-093b-4d82-9e45-562ee4ca2c8b
          Copyright © 2020 Elsevier B.V. All rights reserved.
          History

          Biocompatibility,Morphological properties,Particle size distribution,Starch nanocomposite

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