Design and application of (Fe3O4)-GO TfOH based AgNPs doped starch/PEG-poly (acrylic acid) nanocomposite as the magnetic nanocatalyst and the wound dress

被引：15
作者：
Forouzandehdel, Shayan [1 ]
Meskini, Maryam [2 ,4 ]
Rami, Mina Rezghi [3 ]
机构：
[1] Sharif Univ Technol, Dept Chem, POB 11365-9516, Tehran, Iran
[2] Pasteur Inst Iran, Microbiol Res Ctr MRC, Tehran, Iran
[3] KN Toosi Univ Technol, Dept Chem, POB 15875-4416, Tehran, Iran
[4] Pasteur Inst Iran, Student Res Comm, Tehran, Iran
来源：
JOURNAL OF MOLECULAR STRUCTURE | 2020年 / 1214卷
关键词：
Magnetic nanocatalyst; Hydrogels; Wound healing; 2,4,6-Triarylpyridines; SILVER NANOPARTICLES; 2,4,6-TRIARYLPYRIDINES; COMPOSITE; HYDROGELS; EFFICIENT; FABRICATION; ADSORPTION; MEMBRANE; BEHAVIOR;
D O I：
10.1016/j.molstruc.2020.128142
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
As a novel, recyclable nanocatalyst, (Fe3O4)-GO(TfOH) based Ag nanoparticles doped Starch/PEG-poly (acrylic acid) nanocomposite (Fe3O4@GO(TfOH)/Ag/St-PEG-AcA) was applied for one-pot synthesis of 2,4,6-triarylpyridine derivatives under water solvent conditions. The prepared nanocomposite was also evaluated in terms of biocompatibility for wound healing. Fe3O4@GO(TfOH)/Ag/St-PEG-AcA could be easily removed from the mixture of the reaction by an external magnet and recycled without a considerable decrease of activity even after 10 runs. The new nanocatalyst offered better efficiencies than other commercially available sulfonic acid catalysts. In terms of the bioactivity of nanocatalyst, good antimicrobial efficiency was confirmed on E. coli bacteria. Besides, histology of repaired wounds in Fe3O4@GO(TfOH)/Ag/St-PEG-AcA for a healed group of mice showed better fibroblast distribution and more compact collagen fiber organization compared to wounds in the control group. (C) 2020 Elsevier B.V. All rights reserved.
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页数：14
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