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New “Zero-Dimensional” Carbon Nanotube May Lead to Superthin Electronics and Synthetic Cells

    Home Cellular Therapy New “Zero-Dimensional” Carbon Nanotube May Lead to Superthin Electronics and Synthetic Cells

    New “Zero-Dimensional” Carbon Nanotube May Lead to Superthin Electronics and Synthetic Cells

    By The McGowan Institute For Regenerative Medicine | Cellular Therapy, News Archive | Comments are Closed | 9 December, 2013 | 0

    Synthetic, man-made cells and ultrathin electronics built from a new form of 2b 0D nanotube“zero-dimensional” carbon nanotube may be possible through research at the University of Pittsburgh Swanson School of Engineering co-directed by McGowan Institute for Regenerative Medicine faculty member Steven Little, PhD, chair of the Department of Chemical and Petroleum Engineering, associate professor, and Bicentennial Alumni Faculty Fellow of the University of Pittsburgh Swanson School of Engineering, and McGowan Institute affiliated faculty member Anna Balazs, PhD, the distinguished Robert Von der Luft professor of chemical and petroleum engineering. The research, ““Zero-Dimensional” Single-Walled Carbon Nanotubes,” was recently published in the journal Angewandte Chemie.

    Along with co-principal investigators Drs. Little and Balazs, co-investigators include Riccardo Gottardi, PhD, Ri.MED Foundation Fellow, whose research focuses on nanotechnology and biomedical engineering; Alexander Star, PhD, associate professor of chemistry; Bhaskar Godugu, PhD, research assistant professor and director of Pitt’s mass spectrometry facility; Susheng Tan, PhD, research assistant professor; postdoctoral researchers Yanan Chen, PhD and Kaladhar Kamalasanan, PhD; and Sam Rothstein, PhD, CSO and co-founder of Qrono Inc.

    “Since its discovery, carbon nanotubes have held the promise to revolutionize the field of electronics, material science, and even medicine,” says Dr. Little. “Zero-dimensional carbon nanotubes present the possibility to build ultrathin, superfast electronic devices, far superior to the best existing ones and it could be possible to build strong and ultralight cars, bridges, and airplanes.”

    One of the most difficult hurdles is processing the carbon nanotubes into smaller forms. However, previous research at Pitt has managed to cut the carbon nanotubes into the smallest dimensions ever to overcome this problem.

    “We have confirmed that these shorter nanotubes are more dispersible and potentially easier to process for industrial as well as biomedical application, and could even constitute the building blocks for the creation of synthetic cells,” says Dr. Gottardi.

    The organization of the atoms within nanotubes makes them particularly interesting materials to work with. However, they are barely soluble, making industrial processing difficult. One aspect of the team’s research will focus on creating more soluble and therefore more usable carbon nanotubes. These shorter nanotubes have the same dimensions as many proteins that compose the basic machinery of living cells, presenting the potential for cell- or protein-level biomedical imaging, protein or nucleic acid vaccination carriers, drug delivery vehicles, or even components of synthetic cells.

    Overall, the project is aimed at developing and working with these more dispersible carbon nanotubes with the aim of making them easier to process. The creation of the smaller nanotubes is the first step toward reaching this goal.

    Illustration:  Piles of zero-dimensional carbon nanotubes appear as gold “mountains” on a substrate by atomic force microscopy. The nanotube mountains are only a few nanometers high – or nearly a billion times smaller than an inch. – University of Pittsburgh Swanson School of Engineeering.

    Read more…

    PhysOrg.com

    Abstract (“Zero-dimensional” single-walled carbon nanotubes.  Kaladhar Kamalasanan, Riccardo Gottardi, Susheng Tan, Yanan Chen, Bhaskar Godugu, Sam Rothstein, Anna C. Balazs, Alexander Star, Steven R. Little.  Angewandte Chemie; Volume 125, Issue 43, pages 11518–11522, October 18, 2013.)

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