Now showing items 428-447 of 501

    • Ropes of single-wall carbon nanotubes 

      Smalley, Richard E.; Colbert, Daniel T.; Guo, Ting; Rinzler, Andrew G.; Nikolaev, Pavel; Thess, Andreas (2006-07-04)
      This invention provides a method of making single-wall carbon nanotubes by laser vaporizing a mixture of carbon and one or more Group VIII transition metals. Single-wall carbon nanotubes preferentially form in the vapor ...
    • Ropes of single-wall carbon nanotubes and compositions thereof 

      Smalley, Richard E.; Colbert, Daniel T.; Guo, Ting; Rinzler, Andrew G.; Nikolaev, Pavel; Thess, Andreas (2008-03-04)
      This invention provides a method of making single-wall carbon nanotubes by laser vaporizing a mixture of carbon and one or more Group VIII transition metals. Single-wall carbon nanotubes preferentially form in the vapor ...
    • Selective functionalization of carbon nanotubes 

      Strano, Michael S.; Usrey, Monica; Barone, Paul; Dyke, Christopher A.; Tour, James M.; Kittrell, Carter W.; Hauge, Robert H.; Smalley, Richard E. (2009-08-11)
      The present invention is directed toward methods of selectively functionalizing carbon nanotubes of a specific type or range of types, based on their electronic properties, using diazonium chemistry. The present invention ...
    • Selectivity enhancement in photoacoustic gas analysis via phase-sensitive detection at high modulation frequency 

      Kosterev, Anatoliy A. (2010-10-05)
      A method for detecting a target fluid in a fluid sample comprising a first fluid and the target fluid using photoacoustic spectroscopy (PAS), comprises a) providing a light source configured to introduce an optical signal ...
    • Short- functionalized- soluble carbon nanotubes- methods of making same- and polymer composites made therefrom 

      Hwang, Wen-Fang; Chen, Zheyl; Tour, James M. (2012-11-20)
      In some embodiments, the present invention relates to new processes to simultaneously shorten and functionalize raw or purified carbon nanotubes to improve their dispersity and processibility, and the short functionalized ...
    • Side chain derivatized 15-oxygenated sterols- methods of using them and a process for preparing them 

      Schroepfer, George J., Jr.; Herz, Josef E.; Swaminathan, Shankar; Wilson, William K. (1994-12-06)
      Pharmaceutical compositions are provided for lowering the activity of HMG-CoA reductase and/or lowering serum cholesterol, comprising an amount effective to lower the activity of HMG-CoA reductase and/or lower serum ...
    • Sidewall derivatized carbon nanotubes 

      Margrave, John L.; Mickelson, Edward T.; Hauge, Robert H.; Boul, Peter; Huffman, Chad; Liu, Jie; Smalley, Richard E.; Smith, Kenneth A.; Colbert, Daniel T. (2010-08-24)
      This invention is directed to chemical derivatives of carbon nanotubes wherein the carbon nanotubes have a diameter up to 3 nm. In one embodiment, this invention also provides a method for preparing carbon nanotubes having ...
    • Sidewall functionalization of carbon nanotubes with organosilanes for polymer composites 

      Barrera, Enrique V.; Zhu, Jiang; Zhang, Lei; Khabashesku, Valery N.; Margrave, John L.; Kim, Jong Dae (2013-09-24)
      The present invention is directed to methods of functionalizing carbon nanotubes (CNTs), particularly single-wall carbon nanotubes (SWNTs), with organosilane species, wherein such functionalization enables fabrication of ...
    • Sidewall functionalization of nanotubes with hydroxyl terminated moieties 

      Khabashesku, Valery N.; Zhang, Lei; Margrave, John L.; Margrave, Mary Lou (2009-12-15)
      The present invention is directed to methods of forming sidewall-functionalized carbon nanotubes, wherein such functionalized carbon nanotubes have hydroxyl-terminated moieties covalently attached to their sidewalls. ...
    • Sidewall functionalization of single-wall carbon nanotubes through C-N bond forming substitutions of fluoronanotubes 

      Khabashesku, Valery N.; Margrave, Mary Lou; Stevens, Joel L.; Derrien, Gaelle Armelle (2008-11-18)
      The present invention is directed toward a method of sidewall-functionalizing single-walled carbon nanotubes (SWNTs) through C—N bond forming substitution reactions with fluorinated SWNTs (fluoronanotubes), and to the ...
    • Signaling Techniques in channels with asymmetric powers and capacities 

      Gaikwad, Rohit V.; Baraniuk, Richard G. (2006-04-25)
      An improved system and method for communicating information on a transmission medium is disclosed. The disclosed system and method provide improved communications on the transmission medium in the presence of interference, ...
    • Simultaneous anaerobic production of isoamyl acetate and succinic acid 

      San, Ka-Yiu; Sánchez, Ailen; Bennett, George N.; Dittrich, Cheryl Renee (2009-08-04)
      In vivo method of producing esters from acetyle coA, such as isoamyl acetate and succinate, has been developed by producing null mutants in pathways that use acetyl coA and by overexpressing products that use NADH and in ...
    • Single-crystalline metal nanorings and methods for synthesis thereof 

      Lou, Jun; Zhan, Yongjie (2013-06-11)
      In various embodiments, methods for synthesizing single-crystalline zero-valent metal nanorings, such as single-crystalline copper nanorings, are described herein. The methods include providing a solution containing a metal ...
    • Single-wall carbon nanotube alewives- process for making- and compositions thereof 

      Smalley, Richard E.; Saini, Rajesh Kumar; Sivarajan, Ramesh; Hauge, Robert H.; Davis, Virginia Angelica; Pasquali, Matteo; Ericson, Lars Martin; Kumar, Satish; Veedu, Sreekumar Thaliyil (2007-10-30)
      The present invention involves alewives of highly aligned single-wall carbon nanotubes (SWNT), process for making the same and compositions thereof. The present invention provides a method for effectively making carbon ...
    • Single-wall carbon nanotubes from high pressure CO 

      Smalley, Richard E.; Smith, Kenneth A.; Colbert, Daniel T.; Nikolaev, Pavel; Bronikowski, Michael J.; Bradley, Robert K.; Rohmund, Frank (2007-04-17)
      The present invention discloses the process of supplying high pressure (e.g., 30 atmospheres) CO that has been preheated (e.g., to about 1000° C.) and a catalyst precursor gas (e.g., Fe(CO)5) in CO that is kept below the ...
    • Small molecule conjugates with dimetal species for protein inhibition 

      Ball, Zachary T.; Kundu, Rituparna; Popp, Brian V.; Madden, Dean R.; Cushing, Patrick R. (2015-06-02)
      Methods for targeting a protein by providing an inhibitor covalently linked to a rhodium(II) complex, introducing the inhibitor to the target protein and allowing the inhibitor and protein to interact. The rhodium(II) ...
    • Smart materials: strain sensing and stress determination by means of nanotube sensing systems- composites- and devices 

      Barrera, Enrique V.; Nagarajaiah, Satish; Dharap, Prasad; Zhiling, Li; Kim, Jong Dae (2010-06-01)
      The present invention is directed toward devices comprising carbon nanotubes that are capable of detecting displacement, impact, stress, and/or strain in materials, methods of making such devices, methods for sensing/det ...
    • Solar process for making fullerenes 

      Smalley, Richard E. (1996-09-17)
      This invention provides an improved process and apparatus for making fullerenes by vaporizing carbon and conducting the resulting carbon vapor to a dark zone for fullerene growth and annealing. In one embodiment concentrated ...
    • Solvent-based methods for production of graphene nanoribbons 

      Tour, James M.; Lu, Wei; Genorio, Bostjan (2016-11-15)
      The present invention provides methods of preparing functionalized graphene nanoribbons. Such methods include: (1) exposing a plurality of carbon nanotubes (CNTs) to an alkali metal source in the presence of an aprotic ...
    • Solvents and new method for the synthesis of CdSe semiconductor nanocrystals 

      Alkhawaldeh, Ammar S.; Pasquali, Matteo; Wong, Michael S. (2011-08-16)
      New methods for the synthesis of nanocrystals/quantum dots are disclosed. The methods comprise use of reasonably-priced and commercially available heat transfer fluids (such as Dowtherm® A) as solvents to synthesize CdSe ...