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Adsorption of human recombinant fibronection to titamium in vitro

곽재영|허성주|김효진|임순호|장익태|Jang JH
대한치과보철학회 (The Korean Academy Of Prosthodontics)|2004.06|대한치과보철학회지 (The Journal of Korean Academy of Prosthodontics)|제42권 제3호|pp. 301-306

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참고문헌

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초록

Abstract

Statement of problem. Fibronectin mediates its biological effects by binding to integrins on cell membranes through a consensus site including the Arg-Gly-Asp (RGD) sequence within tenth type III module. Purpose. The purpose of our study was to investigate the adsorption affinity of human recombinant fibronectin peptide (hFNIII 9-10) to titanium and to investigate the effect of the surrounding ionic composition on the adsorption process. Material and methods. As for evaluating the affinity of hFNIII9-10 to Ti, titanium disks were incubated in 40, 80 and 120 μg/ml hFNIII9-10 solution at 37℃ overnight, repectively. As for evaluating the effect of surrounding ionic concentration, hFNIII9-10 was dissolved in distilled water, phosphate buffered saline and RPMI 1640. Optical density (O.D.) was measured in ELISA reader. Results. The results were as follows; 1. The adsorption of hFNIII 9-10 showed significantly highest mean optical density (O.D.) value in 80 μg/ml. 2. The difference of ionic composition in DW, PBS and RPMI did not influence the adsorption amount of hFNIII 9-10.

참고문헌 (21)

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