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Preparation and Characterization of Tissue Engineered Scaffold Using Porcine Small Intestinal Submucosa and Hyaluronic Acid  

Lim, Ji-Ye (Polymer Fusion Research Center, Chonbuk National University)
Kim, Soon-Hee (Polymer Fusion Research Center, Chonbuk National University)
Kang, Gil-Son (Polymer Fusion Research Center, Chonbuk National University)
Rhee, John M. (Polymer Fusion Research Center, Chonbuk National University)
Publication Information
Polymer(Korea) / v.32, no.5, 2008 , pp. 415-420 More about this Journal
Abstract
The porcine small intestinal submucosa (SIS) without immunorejection responses and hyalunonic acid (HA) can be used as biomaterials. In this study, we tried to design and characterize novel sponge. SIS- HA sponge was prepared by freeze-drying after addition 1wt% HA solution into fabricated SIS sponge. Sponge was crosslinked with 1-ethyl-(3-3-dimethyl aminopropyl) carbodiimide hydrochloride (EDC) solution with 100mM concentration for 24 hrs and lyophilized. SIS-HA sponge was characterized by scanning electron microscopy and fourier transform infrared spectrometer. And water absorption ability of sponge was evaluated. We seeded NIH/3T3 cells in SIS-HA sponge and cellular attachment was assayed by 3-(4,5-dimethylthiazole-2-yl)-2,5-diphenyltertazolium-bromide (MTT) test. We demonstrated presence of HA in SIS-HA sponge from C-O functional group observed by the FT-IR analysis. Moreover, we confirmed low cytotoxicity and high cell viability of the SIS-HA sponges. Therefore, we could expect that SIS- HA scaffolds are applicable for the tissue regeneration.
Keywords
small intestinal submucosa; sponge; hyaluronic acid; crosslinking; scaffold;
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