A Novel Synthesis Route to Produce Boron Nitride Nanotubes for Bioapplications
T. H. Ferreira, P. R. O. Silva, R. G. Santos, E. M. B. Sousa
DOI: 10.4236/jbnb.2011.24052   PDF    HTML     9,414 Downloads   16,695 Views   Citations


Nanostructures of boron nitride have attracted a great deal of interest due to their potential applications that comprise a broad range of topics, including biomedical technology, since it presents good chemical stability and suggests good biological inertia. This paper reports a facile and effective synthesis based on CVD process with new conditions to produce boron nitride nanotubes in higher amount using boron powder, ammonium nitrate and hematite as catalysts in tubular furnace, without using extreme conditions. The characterization of the material was carried out by Fourier transformed infrared spectroscopy (FTIR), X-ray diffraction (XRD), thermogravimetric analysis, scanning electron microscopy (SEM) and transmission electron microscopy (TEM). From the results, it was possible to verify the production of a hexagonal BN nanotube filled with Fe nanoparticles. It was possible to understand the reactions involved in synthesis process, and also confirm the formation of hexagonal boron nitride nanotubes with iron nanoparticles as catalysts. Depending on the final use, samples need to be purified to analyze their unique properties in some bioapplications. In the other hand, sometimes BNNTs containing Fe nanoparticles have potential for use in therapeutic drug, gene and radionuclide delivery, and radio frequency methods for the catabolism of tumors via hyperthermia. In this sense, some application-related studies on BNNTs such as biocompatibility tests have also been investigated in both pure and BN nanotube filled with Fe.

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Ferreira, T. , Silva, P. , Santos, R. and Sousa, E. (2011) A Novel Synthesis Route to Produce Boron Nitride Nanotubes for Bioapplications. Journal of Biomaterials and Nanobiotechnology, 2, 426-434. doi: 10.4236/jbnb.2011.24052.

Conflicts of Interest

The authors declare no conflicts of interest.


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