Permeation of Silver Sulfadiazine Into TEMPO-Oxidized Bacterial Cellulose as an Antibacterial Agent
Copyright © 2021 Khattak, Qin, Wahid, Huang, Xie, Jia and Zhong..
Surface oxidation of bacterial cellulose (BC) was done with the TEMPO-mediated oxidation mechanism system. After that, TEMPO-oxidized bacterial cellulose (TOBC) was impregnated with silver sulfadiazine (AgSD) to prepare nanocomposite membranes. Fourier transform infrared spectroscopy (FTIR) was carried out to determine the existence of aldehyde groups on BC nanofibers and X-ray diffraction (XRD) demonstrated the degree of crystallinity. FESEM analysis revealed the impregnation of AgSD nanoparticles at TOBC nanocomposites with the average diameter size ranging from 11 nm to 17.5 nm. The sample OBCS3 showed higher antibacterial activity against Staphylococcus aureus, Pseudomonas aeruginosa, and Escherichia coli by the disc diffusion method. The results showed AgSD content, dependent antibacterial activity against all tested bacteria, and degree of crystallinity increases with TOBC and AgSD. The main advantage of the applications of TEMPO-mediated oxidation to BC nanofibers is that the crystallinity of BC nanofibers is unchanged and increased after the oxidation. Also enhanced the reactivity of BC as it is one of the most promising method for cellulose fabrication and functionalization. We believe that the novel composite membrane could be a potential candidate for biomedical applications like wound dressing, BC scaffold, and tissue engineering.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:8 |
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| Enthalten in: |
Frontiers in bioengineering and biotechnology - 8(2020) vom: 31., Seite 616467 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Khattak, Shahia [VerfasserIn] |
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| Links: |
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| Themen: |
Antibacterial activity |
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| Anmerkungen: |
Date Revised 19.09.2023 published: Electronic-eCollection Citation Status PubMed-not-MEDLINE |
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| doi: |
10.3389/fbioe.2020.616467 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM321450485 |
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| 520 | |a Copyright © 2021 Khattak, Qin, Wahid, Huang, Xie, Jia and Zhong. | ||
| 520 | |a Surface oxidation of bacterial cellulose (BC) was done with the TEMPO-mediated oxidation mechanism system. After that, TEMPO-oxidized bacterial cellulose (TOBC) was impregnated with silver sulfadiazine (AgSD) to prepare nanocomposite membranes. Fourier transform infrared spectroscopy (FTIR) was carried out to determine the existence of aldehyde groups on BC nanofibers and X-ray diffraction (XRD) demonstrated the degree of crystallinity. FESEM analysis revealed the impregnation of AgSD nanoparticles at TOBC nanocomposites with the average diameter size ranging from 11 nm to 17.5 nm. The sample OBCS3 showed higher antibacterial activity against Staphylococcus aureus, Pseudomonas aeruginosa, and Escherichia coli by the disc diffusion method. The results showed AgSD content, dependent antibacterial activity against all tested bacteria, and degree of crystallinity increases with TOBC and AgSD. The main advantage of the applications of TEMPO-mediated oxidation to BC nanofibers is that the crystallinity of BC nanofibers is unchanged and increased after the oxidation. Also enhanced the reactivity of BC as it is one of the most promising method for cellulose fabrication and functionalization. We believe that the novel composite membrane could be a potential candidate for biomedical applications like wound dressing, BC scaffold, and tissue engineering | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a TEMPO-oxidation | |
| 650 | 4 | |a antibacterial activity | |
| 650 | 4 | |a bacterial cellulose | |
| 650 | 4 | |a nanocomposites | |
| 650 | 4 | |a silver sulfadiazine | |
| 700 | 1 | |a Qin, Xiao-Tong |e verfasserin |4 aut | |
| 700 | 1 | |a Wahid, Fazli |e verfasserin |4 aut | |
| 700 | 1 | |a Huang, Long-Hui |e verfasserin |4 aut | |
| 700 | 1 | |a Xie, Yan-Yan |e verfasserin |4 aut | |
| 700 | 1 | |a Jia, Shi-Ru |e verfasserin |4 aut | |
| 700 | 1 | |a Zhong, Cheng |e verfasserin |4 aut | |
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