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Preparation and Characterization of Chitin Based Nanofibrils and Nanocomposites for Biomedical Application
Başlık:
Preparation and Characterization of Chitin Based Nanofibrils and Nanocomposites for Biomedical Application
Yazar:
Jun, Sunghyun, author.
ISBN:
9780355990577
Yazar Ek Girişi:
Fiziksel Tanımlama:
1 electronic resource (45 pages)
Genel Not:
Source: Masters Abstracts International, Volume: 57-06M(E).
Advisors: Narayan Bhattarai Committee members: Narayan Bhattarai; Matthew McCullough; Jagannathan Sankar.
Özet:
Tissue Engineered scaffolds should be composed of biocompatible and biodegradable materials, exhibit mechanical properties like those of target tissue as well as have the structural and chemical properties closely mimicking those of the extracellular matrix (ECM). In this research, we explore the possibility of using poly(caprolactone) (PCL) and chitin to prepare nanofibrous mesh and films as suitable devices for biomedical implant applications. Chitin, a natural polymer is nontoxic, biodegradable, biocompatible and has been widely used for wound healing, enzymes immobilization, drug delivery and space-filling implants. PCL, an aliphatic synthetic polymer is biocompatible and has mechanical properties superior to natural polymers. Chitin nanofibrils were first prepared by acid hydrolysis technique and dispersed in trifluroethanol (TFA). PCL was dissolved in TFA and mixed with the chitin dispersion in different ratios. Composite materials of PCL and chitin were fabricated using electrospinning and spin coating technology in the form of nanofibrous mesh and films respectively. Toward the potential use of this composite material in biomedical application, its physicochemical properties, such as morphology, mechanical strength, crystallinity, chemical structure, and its cellular compatibility was determined. Both nanofibrous mesh and film showed good uniform morphology, suitable mechanical properties, and retained the integrity of their morphology in aqueous media. Experimental results, using cell viability assay showed that the composite materials supported 3T3 cell viability. These results showed that the composite materials of chitin nanofibrils and PCL will have potential application in biomedical fields particularly in tissue engineering and regenerative medicine.
Notlar:
School code: 1544
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Yer Numarası | Demirbaş Numarası | Shelf Location | Lokasyon / Statüsü / İade Tarihi |
|---|---|---|---|
| XX(689931.1) | 689931-1001 | Proquest E-Tez Koleksiyonu | Arıyor... |
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