Nanotechnology Now - Press Release: Nanostructured Biocompatible Foams Produced through Gel Casting Method

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Abstract:
Iranian researchers at Isfahan University of Technology produced nanostructured foams made of hydroxyapatite and bio-active glass to be used for tissue engineering purposes and drug delivery systems.

Nanostructured Biocompatible Foams Produced through Gel Casting Method

Tehran, Iran | Posted on August 18th, 2011

"Taking into account the advantages of nanostructured bioceramics and gel casting process, we focused in this project on the production, characterization, and evaluation of nanostructured foams made of hydroxyapatite and bio-active glass to be used in tissue engineering and drug delivery systems," Hamed Qomi, MSc student in materials engineering at Isfahan University of Technology, said.

"The obtained results confirmed the successful production of nanostructured composite foam made of hydroxyapatite and bio-active glass," Eng Qomi stated, adding, "The produced nanostructured composite foam can be used in tissue engineering applications as a promising choice due to its high porosity, inter-connected pores, appropriate pore size, (desirable strength), nanostructure, and high specific surface area."

Noting that "the produced composite foams can be engineered in a way that their adsorption rate within the body equals the formation rate of the new tissue," he said, "Moreover, the structure of the produced nanofoam increases the specific area of the synthesized foam in comparison with that of the foams at micron scale. Therefore, the reactions take place faster in the body and the connection between the foams and the bones increases."

"The synthesized foams can be used as appropriate alternatives to be used in tissue engineering applications, especially the applications that do not need load carrying such as drug and cell carriers. In addition, the foams can be used in order to fill the bone fractures," the researcher of the plan concluded.

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