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A novel method for the functionalization of gamma-irradiated single wall carbon nanotubes with DNA
dc.creator | Jovanović, Svetlana P. | |
dc.creator | Marković, Zoran M. | |
dc.creator | Kleut, Duška | |
dc.creator | Romčević, Nebojša Ž. | |
dc.creator | Trajković, Vladimir S. | |
dc.creator | Dramićanin, Miroslav | |
dc.creator | Todorović-Marković, Biljana | |
dc.date.accessioned | 2018-03-01T20:09:16Z | |
dc.date.available | 2018-03-01T20:09:16Z | |
dc.date.issued | 2009 | |
dc.identifier.issn | 0957-4484 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/3254 | |
dc.description.abstract | In this work we describe a novel method for highly efficient functionalization of single wall carbon nanotubes (SWCNTs) by DNA wrapping. Exposure of SWCNTs to gamma-irradiation (50 kGy) has lowered by one order of magnitude the amount of single stranded deoxyribonucleic acid (ssDNA) required for SWCNT modification. The resulting hybrids of gamma-irradiated SWCNTs and ssDNA were characterized by optical absorbance spectroscopy, Raman spectroscopy and Fourier transform infrared spectroscopy. Atomic force microscopy was used to investigate the morphology of hybrids. While gamma-irradiation in three different media has significantly improved the process of SWCNT dispersion, irradiation in ammonia was the most efficient. The gamma-irradiated SWCNTs functionalized with ssDNA were stabilized by electrostatic forces. This preliminary study suggests that gamma-irradiation can significantly improve the functionalization of SWCNTs with DNA. | en |
dc.relation | Ministry of Science of the Republic of Serbia [145073] | |
dc.rights | restrictedAccess | en |
dc.source | Nanotechnology | en |
dc.title | A novel method for the functionalization of gamma-irradiated single wall carbon nanotubes with DNA | en |
dc.type | article | en |
dcterms.abstract | Ромцевиц, Н. З.; Трајковиц, В. С.; Јовановиц, С. П.; Марковић Зоран; Клеут Душка; Драмићанин Мирослав; Тодоровић-Марковић Биљана; | |
dc.citation.volume | 20 | |
dc.citation.issue | 44 | |
dc.identifier.wos | 000270562900016 | |
dc.identifier.doi | 10.1088/0957-4484/20/44/445602 | |
dc.citation.other | Article Number: 445602 | |
dc.citation.rank | M21a | |
dc.identifier.pmid | 19801777 | |
dc.identifier.scopus | 2-s2.0-70349667438 |
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