Bulk Composite Nanomaterial with Multiwall Carbon Nanotubes

Levan Ichkitidze, Vitally Podgaetsky, Alexander Prihodko, Sergei Selishchev, Eugenie Blagov, Vyacheslav Galperin, Yuri Shaman, Lyudmila Tabulina

Belarusian State University of Informatics and Radioelectronics, Minsk, Belarus.
Institute of nanotechnology of microelectronics RAS, Moscow, Russia.
National Research University of Electronic Technology (MIET), Moscow, Russia.
Scientific Manufacturing Complex “Technological Centre”, Moscow, Russia.

DOI: 10.4236/msa.2012.310106                

Abstract

The properties of the composite nanomaterials (CNM) based on bovine serum albumin (BSA) and multi-walled carbon nanotubes (MWCNT), both functionalized and non-functionalized, were investigated. In order to obtain the solid-state bulk CNM from the ultradispersed aqueous solutions of 25 wt.% BSA and (0.0015 - 0.04) wt.% MWCNT, the methods of nanotechnology and laser technology were used. It is revealed that the CNM density is 10% - 20% higher than that of water and the hardness is higher than that of BSA by a factor of 3 - 6 times. An increase in hardness H_v (by Vickers) of CNM correlated with an increase in the concentration of MWCNT, and H_yreached ~300 MPa for the case of the non-functionalized MWCNT, while for the case of the functionalized MWCNT, i.e. MWCNT_f, H_y was 25% lower.

Keywords

Carbon Nanotubes; Functionalization; Albumine; Biocompatible Composite Nanomaterial

Conflicts of Interest

The authors declare no conflicts of interest.

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