CHARACTERIZATION OF SILK/POLY 3-HYDROXYBUTYRATE-CHITOSAN-MULTI-WALLED CARBON NANOTUBE MICRO-NANO SCAFFOLD: A NEW HYBRID SCAFFOLD FOR TISSUE ENGINEERING APPLICATIONS

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MIRMUSAVI MOHAMMAD HOSSEIN; KARBASI SAEED; Semnani Dariush; ZARGAR KHARAZI ANOUSHEH

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Journal Paper

Paper Information

Journal: JOURNAL OF MEDICAL SIGNALS AND SENSORS (JMSS) Year:2018 | Volume:8 | Issue:1 Page(s): 46-52

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Title

CHARACTERIZATION OF SILK/POLY 3-HYDROXYBUTYRATE-CHITOSAN-MULTI-WALLED CARBON NANOTUBE MICRO-NANO SCAFFOLD: A NEW HYBRID SCAFFOLD FOR TISSUE ENGINEERING APPLICATIONS

Author(s)

MIRMUSAVI MOHAMMAD HOSSEIN | KARBASI SAEED | Semnani Dariush | ZARGAR KHARAZI ANOUSHEH | Issue Writer Certificate

Keywords

CARBON NANOTUBE

KNITTED SILK

LONG-TERM HEALING TISSUE ENGINEERING

NANO-MICRO SCAFFOLD

Abstract

Background: LONG-TERM HEALING TISSUE ENGINEERING scaffolds must hold its full mechanical strength at least for 12 weeks. NANO-MICRO SCAFFOLDs consist of electrospinning nanofibers and textile microfibers to support cell behavior and mechanical strength, respectively.Methods: The new nano-micro hybrid scaffold was fabricated by electrospinning poly 3-hydroxybutyrate-chitosan-multi-walled CARBON NANOTUBE (MWNT functionalized by COOH) solution on KNITTED SILK in a random manner with different amounts of MWNT. The physical, mechanical, and biodegradation properties were assessed through scanning electron microscopy, Fourier-transform infrared (FTIR) spectroscopy, water contact angle test, tensile strength test, and weight loss test. The scaffold without MWNT was chosen as control sample.Results: An increase in the amount of MWNT up to 1 wt% leads to better fiber diameter distribution, more hydrophilicity, biodegradation rate, and higher tensile strength in comparison with other samples. The porosity percentage of all scaffolds is more than 80%. According to FTIR spectra, the nanofibrous coat on KNITTED SILK did not have any effect on silk fibroin crystallinity structures, and according to tensile strength test, the coat had a significant effect on tensile strength in comparison with pure KNITTED SILK (P≤0.05). The average fiber diameter decreased due to an increase in electrical conductivity of the solution and fiber stretch in electrical field due to MWNTs. The scaffold containing 1 wt% MWNT was more hydrophilic due to the presence of many COOH groups of functionalized MWNT, thus an increase in the hydrolysis and degradation rate of this sample.Conclusions: High intrinsic tensile strength of MWNTs and improvement of nano-micro interface connection lead to an increase in tensile strength in scaffolds containing MWNT.

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References

Effects of multi-wall carbon nanotubes on structural and mechanical properties of poly (3-hydroxybutyrate)/chitosan electrospun scaffolds for cartilage tissue engineering

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APA: Copy

MIRMUSAVI, MOHAMMAD HOSSEIN, KARBASI, SAEED, Semnani, Dariush, & ZARGAR KHARAZI, ANOUSHEH. (2018). CHARACTERIZATION OF SILK/POLY 3-HYDROXYBUTYRATE-CHITOSAN-MULTI-WALLED CARBON NANOTUBE MICRO-NANO SCAFFOLD: A NEW HYBRID SCAFFOLD FOR TISSUE ENGINEERING APPLICATIONS. JOURNAL OF MEDICAL SIGNALS AND SENSORS (JMSS), 8(1), 46-52. SID. https://sid.ir/paper/333750/en

Vancouver: Copy

MIRMUSAVI MOHAMMAD HOSSEIN, KARBASI SAEED, Semnani Dariush, ZARGAR KHARAZI ANOUSHEH. CHARACTERIZATION OF SILK/POLY 3-HYDROXYBUTYRATE-CHITOSAN-MULTI-WALLED CARBON NANOTUBE MICRO-NANO SCAFFOLD: A NEW HYBRID SCAFFOLD FOR TISSUE ENGINEERING APPLICATIONS. JOURNAL OF MEDICAL SIGNALS AND SENSORS (JMSS)[Internet]. 2018;8(1):46-52. Available from: https://sid.ir/paper/333750/en

IEEE: Copy

MOHAMMAD HOSSEIN MIRMUSAVI, SAEED KARBASI, Dariush Semnani, and ANOUSHEH ZARGAR KHARAZI, “CHARACTERIZATION OF SILK/POLY 3-HYDROXYBUTYRATE-CHITOSAN-MULTI-WALLED CARBON NANOTUBE MICRO-NANO SCAFFOLD: A NEW HYBRID SCAFFOLD FOR TISSUE ENGINEERING APPLICATIONS,” JOURNAL OF MEDICAL SIGNALS AND SENSORS (JMSS), vol. 8, no. 1, pp. 46–52, 2018, [Online]. Available: https://sid.ir/paper/333750/en

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