PREPARATION AND CHARACTERIZATION OF THE SOL-GEL NANO-BIOACTIVE GLASSES MODIFIED BY THE COUPLING AGENT 3-(TRIMETHOXYSILYL) PROPYL METHACRYLATE

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ABDOLAHI A.; SAERI M.R.; TIRGIR F.; DOOSTMOHAMMADI A.; SHARIFI H.

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Journal: ADVANCED MATERIALS IN ENGINEERING (ESTEGHLAL) Year:2016 | Volume:35 | Issue:1 Page(s): 23-33

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Title

PREPARATION AND CHARACTERIZATION OF THE SOL-GEL NANO-BIOACTIVE GLASSES MODIFIED BY THE COUPLING AGENT 3-(TRIMETHOXYSILYL) PROPYL METHACRYLATE

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Keywords

BIOACTIVE GLASSQ2

BIOLOGICAL SCAFFOLDQ2

COMPOSITEQ2

NANO PARTICLESQ2

SOL-GELQ2

SURFACE MODIFICATIONQ2

Abstract

In this study, NBG was successfully achieved through a SOL-GEL technique, and to further improve its dispersibility, a crylate coupling agent was coupled onto the surface of the NBG. The 3- (Trimethoxysilyl) Propylmethacrylate coupling agent was used to the SURFACE MODIFICATION of the synthesized NBG by a wet-chemical method in a dynamic inert nitrogen atmosphere. The surface properties of the biomaterials before and after modification were characterized and compared using FTIR and AFM techniques. The characteristic peaks in FTIR spectra indicated that -CH2, -CH3 and C=O groups appeared on the surface of modified NBG, and also, AFM analysis revealed that the dispersibility of surface modified NBG was improved, significantly. The above results proved that the desired groups of 3-(Trimethoxysilyl) Propyl methacrylate had been covalently bonded onto the surface of NBG. Besides, a nanocomposite scaffold was synthesized using the synthesized NBG and polyurethane foam as raw materials. The morphology of pores, porosity contents, compress strength and bioactivity of the scaffold were studied. The results showed that the BIOLOGICAL SCAFFOLDs for use in bone tissue engineering with the basic requirements (90% porosity and 200-600 mm pore diameter) were successfully prepared. The polymer component had no effect on the relationship between the scaffold pores and bioactivity of bioglass nanoparticles. Improvement of compressive strength and proper bioactivity of the resulted scaffold showed that it is an acceptable candidate for biomaterials applications.

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APA: Copy

ABDOLAHI, A., SAERI, M.R., TIRGIR, F., DOOSTMOHAMMADI, A., & SHARIFI, H.. (2016). PREPARATION AND CHARACTERIZATION OF THE SOL-GEL NANO-BIOACTIVE GLASSES MODIFIED BY THE COUPLING AGENT 3-(TRIMETHOXYSILYL) PROPYL METHACRYLATE. ADVANCED MATERIALS IN ENGINEERING (ESTEGHLAL), 35(1), 23-33. SID. https://sid.ir/paper/163221/en

Vancouver: Copy

ABDOLAHI A., SAERI M.R., TIRGIR F., DOOSTMOHAMMADI A., SHARIFI H.. PREPARATION AND CHARACTERIZATION OF THE SOL-GEL NANO-BIOACTIVE GLASSES MODIFIED BY THE COUPLING AGENT 3-(TRIMETHOXYSILYL) PROPYL METHACRYLATE. ADVANCED MATERIALS IN ENGINEERING (ESTEGHLAL)[Internet]. 2016;35(1):23-33. Available from: https://sid.ir/paper/163221/en

IEEE: Copy

A. ABDOLAHI, M.R. SAERI, F. TIRGIR, A. DOOSTMOHAMMADI, and H. SHARIFI, “PREPARATION AND CHARACTERIZATION OF THE SOL-GEL NANO-BIOACTIVE GLASSES MODIFIED BY THE COUPLING AGENT 3-(TRIMETHOXYSILYL) PROPYL METHACRYLATE,” ADVANCED MATERIALS IN ENGINEERING (ESTEGHLAL), vol. 35, no. 1, pp. 23–33, 2016, [Online]. Available: https://sid.ir/paper/163221/en

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