Multiwalled Carbon Nanotube Antennas Induce Effective Plasmid DNA Transfection of Bacterial Cells

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Abstract:

The polarization and antenna properties of carbon nanotubes were recognized from a theoretical standpoint more than 2 decades ago. Subsequently, the antenna-length effect was demonstrated on arrays of vertically aligned multiwalled carbon nanotubes (MWCNTs) and antennas fabricated from networks of MWCNTs were shown to resonate on exposure to electromagnetic radiation in the microwave frequency range. A host of applications in optoelectronics of considerable commercial significance have been suggested. Our group was the first to propose application of this property of MWCNTs to the biomedical field. In the present paper we predict and provide a proof of concept that MWCNTs are able to function as effective microwave antennas and that the antenna effect can be exploited to transfer genetic material within living bacteria exemplified by experimental data collected on E. coli bacteria.

Keywords: BACTERIA TRANSFORMATION; MULTIWALLED CARBON NANOTUBES; NANO-ANTENNA

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jns.2012.1016

Publication date: April 1, 2012

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  • Recent advances in nanomaterials indicates that the central nervous system (CNS) is susceptible to nanoparticle induced alterations leading to functional or structural alterations. This knowledge is currently disseminated in vast array of journals dealing with broad subject areas related to pharmacology, toxicology, neuroscience or nanosciences. Thus, there is an urgent need to collect all these diverse information related to nanoscience and brain function in one place using Journal of Nanoneuroscience for the benefit of the scientific community, researchers, health planners, health care providers, policy makers, environmentalists, biologists, chemists, and physicist in this emerging area of medical science.
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