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You searched on: Topic Area: Nanotechnology

Displaying records 71 to 80 of 214 records.
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71. First-principles modeling of gold adsorption on BeO (0001)
Topic: Nanotechnology
Published: 10/29/2012
Authors: Shmuel Barzilai, Francesca M Tavazza, Lyle E Levine
Abstract: Gold nanowire chains are considered a good candidate for nanoelectronics devices since they exhibit remarkable structural and electrical properties. For practical engineering devices, -wurtzite BeO may be a useful platform for supporting the ...

72. Temperature-dependent mechanical-resonance frequencies and damping in ensembles of gallium nitride nanowires
Topic: Nanotechnology
Published: 10/22/2012
Authors: Kristine A Bertness, Norman A Sanford, J. R. Montague, H.S. Park, Victor M. Bright, C. T. Rogers
Abstract: We have measured singly clamped cantilever mechanical-resonances in ensembles of as-grown gallium nitridenanowires (GaN NWs), from 12 K to 320 K. Resonance frequencies are approximately linearly dependent on temperature near 300 K ...

73. Evaluation of viability and proliferation profiles on macrophages treated with silica nanoparticles in vitro via plate-based, flow cytometry, and Coulter counter assays
Topic: Nanotechnology
Published: 9/3/2012
Authors: Simona Bancos, De-Hao D. Tsai, Vincent A Hackley, J L Weaver, Katherine M Tyner
Abstract: Nanoparticles (NPs) are known to interfere with many high throughput cell viability and cell proliferation assays, which complicates the assessment of their potential toxic effects. The aim of this study was to compare viability and proliferation res ...

74. Void formation in nanowire contacts revealed
Topic: Nanotechnology
Published: 8/23/2012
Author: Kristine A Bertness
Abstract: Popular contact scheme to p-type GaN fails when applied to nanowires.

75. Characterization of Surface Accumulation and Release of Nanosilica During Irradiation of Polymer Nanocomposites with Ultraviolet Light
Topic: Nanotechnology
Published: 8/12/2012
Authors: Tinh Nguyen, Bastien T. Pellegrin, Coralie Bernard, Savelas A Rabb, Paul E Stutzman, Justin M Gorham, Xiaohong Gu, Lee Lijian Yu, Joannie W Chin
Abstract: Nanofillers are increasingly used for enhancing multiple properties of polymeric materials in many applications. However, polymers are susceptible to photodegradation by solar ultraviolet (UV) radiation Therefore, nanofillers in a polymer nanocompos ...

76. Effects of chlorine and other water quality parameters on the release of silver nanoparticles from a ceramic surface
Topic: Nanotechnology
Published: 8/11/2012
Authors: Michael W Stewart, Angela Bielefeldt, Elisabeth Mansfield, R. Scott Summers, Joseph N Ryan
Abstract: A quartz crystal microbalance was used to determine the effects of different water quality parameters on the desorption of silver nanoparticles from surfaces representative of ceramic water filters (CWFs). Silver nanoparticles stabilized with 25-30% ...

77. A Phosphine Sub Atmospheric Delivery System (SADS) applied to Low Pressure Chemical Vapor Deposition (LPCVD) of in situ doped Polysilicon.
Topic: Nanotechnology
Published: 7/23/2012
Authors: Vincent K Luciani, William D Young Jr, Lei Chen, Jerry L Bowser

78. Infrared hemispherical reflectance of carbon nanotube mats and arrays in the 5 um to 50 um wavelength region
Topic: Nanotechnology
Published: 7/15/2012
Authors: John H Lehman, C J Chunnilall, Evangelos Theocharous, Aric Warner Sanders
Abstract: We present the absolute infrared (5 μm to 50 {mu}m) reflectance of films produced from commercially available carbon nanotubes. Data were obtained using the upgraded NPL directional- hemispherical reflectance measurement facility. A brief des ...

79. A Glowing Future for Lab on a Chip Testing Standards
Topic: Nanotechnology
Published: 6/28/2012
Author: Samuel M Stavis
Abstract: Testing standards are more fundamental from a metrological perspective and less controversial from an industrial perspective than product standards, representing a path of less resistance towards the standardization and commercialization of lab on a ...

80. Photo-induced Surface Transformation of Silica Nanocomposites
Topic: Nanotechnology
Published: 6/22/2012
Authors: Justin M Gorham, Tinh Nguyen, Coralie Bernard, Deborah L Stanley, Richard D Holbrook
Abstract: The physicochemical, UV-induced surface modifications to silica nanoparticle (SiNP) - epoxy composites have been investigated. The silica nanocomposites (SiNCs) were prepared using a two-part epoxy system with 10 % mass fraction of SiNPs and expose ...

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