Now showing items 328-347 of 495

    • Nano-encapsulated triggered-release viscosity breaker 

      Rana, Rohit K.; Murthy, Vinit S.; Wong, Michael S.; Norman, Lewis R. (2015-06-30)
      A method for the encapsulation and triggered-release of water-soluble or water-dispersible materials. The method comprises a) providing an amount of electrolyte having a charge, b) providing an amount of counterion having ...
    • Nanocomposite oil sensors for downhole hydrocarbon detection 

      Tour, James M.; Hwang, Chih-chau; Lu, Wei; Ruan, Gedeng; Tomson, Mason B.; Kan, Amy; Wang, Lu; Wong, Michael S.; Kini, Gautam; Hirasaki, George J.; Miller, Clarence (2016-06-28)
      Various embodiments of the present disclosure pertain to nanocomposites for detecting hydrocarbons in a geological structure. In some embodiments, the nanocomposites include: a core particle; a polymer associated with the ...
    • Nanoparticle comprising nanoshell of thickness less than the bulk electron mean free path of the shell material 

      Oldenburg, Steven J.; Averitt, Richard D.; Halas, Nancy J. (2008-05-13)
      The present invention is for particulate compositions and methods for producing them that can absorb or scatter electromagnetic radiation. The particles are homogeneous in size and are comprised of a nonconducting inner ...
    • Nanoparticle-based all-optical sensors 

      Halas, Nancy J.; Lal, Surbhi; Nordlander, Peter J.; Jackson, Joseph B.; Moran, Cristin Erin (2004-08-17)
      The present invention provides a sensor that includes an optical device as a support for a thin film formed by a matrix containing resonant nanoparticles. The nanoparticles may be optically coupled to the optical device ...
    • Nanoparticle/nanotube-based nanoelectronic devices and chemically-directed assembly thereof 

      Schmidt, Howard K. (2011-02-22)
      According to some embodiments, the present invention provides a nanoelectronic device based on a nanostructure that may include a nanotube with first and second ends, a metallic nanoparticle attached to the first end, and ...
    • Nanoporous metal-oxide memory 

      Tour, James M.; Wang, Gunuk; Yang, Yang (2017-11-28)
      A nanoporous (NP) memory may include a non-porous layer and a nanoporous layer sandwiched between the bottom and top electrodes. The memory may be free of diodes, selectors, and/or transistors that may be necessary in other ...
    • Nanorice particles: hybrid plasmonic nanostructures 

      Wang, Hui; Brandl, Daniel; Le, Fei; Nordlander, Peter J.; Halas, Nancy J. (2010-09-07)
      A new hybrid nanoparticle, i.e., a nanorice particle, which combines the intense local fields of nanorods with the highly tunable plasmon resonances of nanoshells, is described herein. This geometry possesses far greater ...
    • Nanostructures and lithographic method for producing highly sensitive substrates for surface-enhanced spectroscopy 

      Natelson, Douglas; Ward, Daniel Robert; Keane, Zachary Kyle (2012-07-17)
      A method for producing planar extended electrodes with nanoscale spacings that exhibit very large SERS signals, with each nanoscale gap having one well-defined hot spot. The resulting highly sensitive substrate has extended ...
    • Nanotube-amino acids and methods for preparing same 

      Khabashesku, Valery N.; Peng, Haiqing; Margrave, John L.; Margrave, Mary Lou (2012-01-10)
      The present invention is directed toward compositions comprising carbon nanotubes (CNTs) that are sidewall-functionalized with amino acid groups, and to amino acid compositions comprising carbon nanotubes. The present ...
    • Native NAD-dependent GAPDH replaced with NADP-dependent GAPDH plus NADK 

      San, Ka-Yiu; Bennett, George N.; Wang, Yipeng (2014-04-29)
      This invention is metabolically engineer bacterial strains that provide increased intracellular NADPH availability for the purpose of increasing the yield and productivity of NADPH-dependent compounds. In the invention, ...
    • Natural products from Vinca 

      San, Ka-Yiu; Chung, Ill-Min; Ahmad, Ateeque (2012-06-26)
      New and useful compounds C. roseus cultured hairy roots are provided, by Isolating flavone glycosides together with a pharmaceutically acceptable carrier. This is accomplished by immersing powdered the hairy roots in ...
    • Negative stiffness device and method 

      Constantinou, Michael C.; Reinhorn, Andrei M.; Sarlis, Apostolos A.; Taylor, Douglas; Lee, David A.; Nagarajaiah, Satish; Pasala, Dharma Theja R. (2014-10-14)
      A negative stiffness device and method for seismic protection of a structure is described. In one embodiment, the device has an anchor frame and a movement frame laterally translatable relative to the anchor frame. The ...
    • Nerolidol- terpene- and terpene deriviative synthesis 

      McNeil, Caroline Virginia; Morlacchi, Pietro; Baevich, Alyssa; Matsuda, Seiichi P. T. (2012-05-08)
      According to one embodiment, the description relates to a method of nerolidol production. The method includes culturing a yeast strain lacking functional squalene synthase and overproducing HMG CoA reductase in synthetic ...
    • Network tomography using closely-spaced unicast packets 

      Nowak, Robert D.; Coates, Mark J. (2005-01-04)
      This work discloses a unicast, end-to-end network performance measurement process which is capable of determining internal network losses, delays, and probability mass functions for these characteristics. The process is ...
    • Ni(OH)2 nanoporous films as electrodes 

      Tour, James M.; Yang, Yang (2019-03-19)
      The present disclosure pertains to electrodes that include a nickel-based material and at least one porous region with a plurality of nickel hydroxide moieties on a surface of the nickel-based material. The nickel-based ...
    • Nitric oxide-producing hydrogel materials 

      West, Jennifer L.; Masters, Kristyn Simcha (2006-05-30)
      Hydrogels releasing or producing NO, most preferably polymerizable biodegradable hydrogels capable of releasing physiological amounts of NO for prolonged periods of time, are applied to sites on or in a patient in need of ...
    • Nitric oxide-producing hydrogel materials 

      West, Jennifer L.; Masters, Kristyn Simcha (2007-10-09)
      Hydrogels releasing or producing NO, most preferably photopolymerizable biodegradable hydrogels capable of releasing physiological amounts of NO for prolonged periods of time, are applied to sites on or in a patient in ...
    • Nitric oxide-producing hydrogel materials 

      West, Jennifer L.; Masters, Kristyn Simcha (2010-01-26)
      Hydrogels releasing or producing NO, most preferably polymerizable biodegradable hydrogels capable of releasing physiological amounts of NO for prolonged periods of time, are applied to sites on or in a patient in need of ...
    • NMR method of detecting precipitants in a hydrocarbon stream 

      Gao, Shuqiang; House, Waylon V.; Chapman, Walter (2011-05-10)
      A method for detecting the presence of precipitants in a hydrocarbon stream, the method comprising introducing at least a portion of the hydrocarbon stream into a measurement chamber of an NMR measuring device, assaying ...
    • Non-contact strain sensing of objects by use of single-walled carbon nanotubes 

      Weisman, R. Bruce; Withey, Paul A.; Bachilo, Sergei M.; Nagarajaiah, Satish; Vemuru, Venkata Srivishnu M. (2016-02-09)
      In some embodiments, the present invention provides methods of detecting strain associated with an object by: (1) irradiating a composition that has been applied to the object, where the composition comprises semiconducting ...