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논문 기본 정보

자료유형
학술저널
저자정보
Imon Chakraborty (Jadavpur University) Chowdhury Mobaswar Hossain (Maulana Abul Kalam Azad University of Technology) Piyali Basak (Jadavpur University)
저널정보
대한의용생체공학회 Biomedical Engineering Letters (BMEL) Biomedical Engineering Letters (BMEL) Vol.11 No.1
발행연도
2021.1
수록면
25 - 37 (13page)

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Hypopharyngeal tissue engineering is increasing rapidly in this developing world. Tissue damage or loss needs the replacementby another biological or synthesized membrane using tissue engineering. Tissue engineering research is emergingto provide an effective solution for damaged tissue replacement. Polyurethane in tissue engineering has successfully beenused to repair and restore the function of damaged tissues. In this context, Can polyurethane be a useful material to dealwith hypopharyngeal tissue defects? To explore this, here ester diol based polyurethane (PU) was synthesized in two steps:firstly, polyethylene glycol 400 (PEG 400) was reacted with lactic acid to prepare ester diol, and then it was polymerizedwith hexamethylene diisocyanate. The physical, mechanical, and biological testing was done to testify the characterizationof the membrane. The morphology of the synthesized membrane was investigated by using field emission scanning electronmicroscopy. Functional groups of the obtained membrane were characterized by fourier transform infrared spectroscopyspectroscopy. Several tests were performed to check the in vitro and in vivo biocompatibility of the membrane. A highlyconnected homogeneous network was obtained due to the appropriate orientation of a hard segment and soft segment in thesynthesized membrane. Mechanical property analysis indicates the membrane has a strength of 5.15 MPa and strain 124%. The membrane showed high hemocompatibility, no cytotoxicity on peripheral blood mononuclear cell, and susceptible todegradation in simulated body fluid solution. Antimicrobial activity assessment has shown promising results against clinicallysignificant bacteria. Primary hypopharyngeal cell growth on the PU membrane revealed the cytocompatibility andsubcutaneous implantation on the back of Wistar rats were given in vivo biocompatibility of the membrane. Therefore, thesynthesized material can be considered as a potential candidate for a hypopharyngeal tissue engineering application.

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