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With the application of carbon nanotubes in biomedical and pharmaceutical sciences, its basic biological properties in vivo have become an issue of strong concern. Water-soluble functionalized multiwall carbon nanotubes (MWNTs) were labeled with radioactive (99m)Tc atoms, and then a tracer was used to study the distribution of MWNTs modified with(More)
This study examined the influence of multi-walled carbon nanotubes (MWNTs) on the growth of the unicellular protozoan Tetrahymena pyriformis. Contrary to the findings from most other investigations, our experiment indicated that MWNTs stimulated growth of the cells cultured in proteose peptone yeast extract medium (PPY). Atomic force microscopy images and(More)
Multi-walled carbon nanotubes (MWNTs) irradiated with gamma-rays were subjected to chemical modification with thionyl chloride and decylamine. Products from chemical treatment were characterized by both FTIR and Raman spectra. Element analysis (EA) and thermogravimetric analysis (TGA) for the modified soluble MWNTs (s-MWNTs) indicated that gamma-radiation(More)
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