Now showing items 829-848 of 1504

    • (n,m)-Specific Absorption Cross Sections of Single-Walled Carbon Nanotubes Measured by Variance Spectroscopy 

      Sanchez, Stephen R.; Bachilo, Sergei M.; Kadria-Vili, Yara; Lin, Ching-Wei; Weisman, R. Bruce (2016)
      A new method based on variance spectroscopy has enabled the determination of absolute absorption cross sections for the first electronic transition of 12 (n,m) structural species of semiconducting single-walled carbon ...
    • NAF-1 and mitoNEET are central to human breast cancer proliferation by maintaining mitochondrial homeostasis and promoting tumor growth 

      Sohn, Yang-Sung; Tamir, Sagi; Song, Luhua; Michaeli, Dorit; Matouk, Imad; Conlan, Andrea R.; Harir, Yael; Holt, Sarah H.; Shulaev, Vladimir; Paddock, Mark L.; Hochberg, Abraham; Cabanchick, Ioav Z.; Onuchic, José N.; Jennings, Patricia A.; Nechushtai, Rachel; Mittler, Ron (2013)
      Mitochondria are emerging as important players in the transformation process of cells, maintaining the biosynthetic and energetic capacities of cancer cells and serving as one of the primary sites of apoptosis and autophagy ...
    • Nanofibrous Snake Venom Hemostat 

      Kumar, Vivek A.; Wickremasinghe, Navindee C.; Shi, Siyu; Hartgerink, Jeffrey D. (2015)
      Controlling perioperative bleeding is of critical importance to minimize hemorrhaging and fatality. Patients on anticoagulant therapy such as heparin have diminished clotting potential and are at risk for hemorrhaging. ...
    • Nanoparticles Heat through Light Localization 

      Hogan, Nathaniel J.; Urban, Alexander S.; Ayala-Orozco, Ciceron; Pimpinelli, Alberto; Nordlander, Peter; Halas, Naomi J. (2014)
      Aqueous solutions containing light-absorbing nanoparticles have recently been shown to produce steam at high efficiencies upon solar illumination, even when the temperature of the bulk fluid volume remains far below its ...
    • Nanoparticulate carbon black in cigarette smoke induces DNA cleavage and Th17-mediated emphysema 

      You, Ran; Lu, Wen; Shan, Ming; Berlin, Jacob M.; Samuel, Errol L.G.; Marcano, Daniela C.; Sun, Zhengzong; Sikkema, William K.A.; Yuan, Xiaoyi; Song, Lizhen; Hendrix, Amanda Y.; Tour, James M.; Corry, David B.; Kheradmand, Farrah (2015)
      Chronic inhalation of cigarette smoke is the major cause of sterile inflammation and pulmonary emphysema. The effect of carbon black (CB), a universal constituent of smoke derived from the incomplete combustion of organic ...
    • NanoSIMS results from olivine-hosted melt embayments: Magma ascent rate during explosive basaltic eruptions 

      Lloyd, Alexander S.; Ruprecht, Philipp; Hauri, Erik H.; Rose, William; Gonnermann, Helge M.; Plank, Terry (2014)
      The explosivity of volcanic eruptions is governed in part by the rate at which magma ascends and degasses. Because the time scales of eruptive processes can be exceptionally fast relative to standard geochronometers, magma ...
    • Nanostructure investigations of nonlinear differential conductance in NdNiO3 thin films 

      Hardy, Will J.; Ji, Heng; Mikheev, Evgeny; Stemmer, Susanne; Natelson, Douglas (2014)
      Transport measurements on thin films of NdNiO3 reveal a crossover to a regime of pronounced nonlinear conduction below the well-known metal-insulator transition temperature. The evolution of the transport properties at ...
    • A Nanostructured Synthetic Collagen Mimic for Hemostasis 

      Kumar, Vivek A.; Taylor, Nichole L.; Jalan, Abhishek A.; Hwang, Lyahn K.; Wang, Benjamin K.; Hartgerink, Jeffrey D. (2014)
      Collagen is a major component of the extracellular matrix and plays a wide variety of important roles in blood clotting, healing, and tissue remodeling. Natural, animal derived, collagen is used in many clinical applications ...
    • A native plant competitor mediates the impact of above- and belowground damage on an invasive tree 

      Carrillo, Juli; Siemann, Evan (2016)
      Plant competition may mediate the impacts of herbivory on invasive plant species through effects on plant growth and defense. This may predictably depend on whether herbivory occurs above or below ground and on relative ...
    • Natural supersymmetry, muon g−2, and the last crevices for the top squark 

      Padley, B. Paul; Sinha, Kuver; Wang, Kechen (2015)
      We study the interplay of natural supersymmetry and a supersymmetric solution to the discrepancy observed in measurements of the muon magnetic moment. The strongest constraints on the parameter space currently come from ...
    • Negative scattering length of ultracold Li7 gas 

      Moerdijk, A.J.; Stwalley, W.C.; Hulet, R.G.; Verhaar, B.J. (1994)
      We have improved the theoretical triplet ground-state potential of Li27 by means of an inverse perturbation analysis, and find that the diatomic scattering length for Li7 atoms in the F=2, mF=2 ground-state hyperfine level ...
    • Nematic Crossover in BaFe2As2 under Uniaxial Stress 

      Ren, Xiao; Duan, Lian; Hu, Yuwen; Li, Jiarui; Zhang, Rui; Luo, Huiqian; Dai, Pengcheng; Li, Yuan (2015)
      Raman scattering can detect spontaneous point-group symmetry breaking without resorting to single-domain samples. Here, we use this technique to study BaFe2As2, the parent compound of the “122” Fe-based superconductors. ...
    • Nematic magnetoelastic effect contrasted between Ba(Fe1−xCox)2As2 and FeSe 

      Hu, Yuwen; Ren, Xiao; Zhang, Rui; Luo, Huiqian; Kasahara, Shigeru; Watashige, Tatsuya; Shibauchi, Takasada; Dai, Pengcheng; Zhang, Yan; Matsuda, Yuji; Li, Yuan (2016)
      To elucidate the origin of nematic order in Fe-based superconductors, we report a Raman scattering study of lattice dynamics, which quantify the extent of C4-symmetry breaking, in BaFe2As2 and FeSe. FeSe possesses a nematic ...
    • Nematic Quantum Critical Fluctuations in BaFe2−xNixAs2 

      Liu, Zhaoyu; Gu, Yanhong; Zhang, Wei; Gong, Dongliang; Zhang, Wenliang; Xie, Tao; Lu, Xingye; Ma, Xiaoyan; Zhang, Xiaotian; Zhang, Rui; Zhu, Jun; Ren, Cong; Shan, Lei; Qiu, Xianggang; Dai, Pengcheng; Yang, Yi-feng; Luo, Huiqian; Li, Shiliang (2016)
      We have systematically studied the nematic fluctuations in the electron-doped iron-based superconductor BaFe2−xNixAs2 by measuring the in-plane resistance change under uniaxial pressure. While the nematic quantum critical ...
    • Neutral pion cross section and spin asymmetries at intermediate pseudorapidity in polarized proton collisions at √s=200  GeV 

      STAR Collaboration; Butterworth, J.; Eppley, G.; Geurts, F.; Llope, W.J.; McDonald, D.; Roberts, J.B.; Xin, K.; Yepes, P. (2014)
      The differential cross section and spin asymmetries for neutral pions produced within the intermediate pseudorapidity range 0.8<η<2.0 in polarized proton-proton collisions at √s=200  GeV are presented. Neutral pions were ...
    • Neutron spin resonance as a probe of superconducting gap anisotropy in partially detwinned electron underdoped NaFe0.985Co0.015As 

      Zhang, Chenglin; Park, J.T.; Lu, Xingye; Yu, Rong; Li, Yu; Zhang, Wenliang; Zhao, Yang; Lynn, J.W.; Si, Qimiao; Dai, Pengcheng (2015)
      We use inelastic neutron scattering (INS) to study the spin excitations in partially detwinned NaFe0.985Co0.015As which has coexisting static antiferromagnetic (AF) order and superconductivity (Tc=15 K, TN=30 K). In previous ...
    • New Anomalous Lieb-Robinson Bounds in Quasiperiodic XY Chains 

      Damanik, David; Lemm, Marius; Lukic, Milivoje; Yessen, William (2014)
      We announce and sketch the rigorous proof of a new kind of anomalous (or sub-ballistic) Lieb-Robinson (LR) bound for an isotropic XY chain in a quasiperiodic transversal magnetic field. Instead of the usual effective light ...
    • A new bubble dynamics model to study bubble growth, deformation, and coalescence 

      Huber, C.; Su, Y.; Nguyen, C.T.; Parmigiani, A.; Gonnermann, H.M.; Dufek, J. (2014)
      We propose a new bubble dynamics model to study the evolution of a suspension of bubbles over a wide range of vesicularity, and that accounts for hydrodynamical interactions between bubbles while they grow, deform under ...
    • A new class of ensemble conserving algorithms for approximate quantum dynamics: Theoretical formulation and model problems 

      Smith, Kyle K.G.; Poulsen, Jens Aage; Nyman, Gunnar; Rossky, Peter J. (2015)
      We develop two classes of quasi-classical dynamics that are shown to conserve the initial quantum ensemble when used in combination with the Feynman-Kleinert approximation of the density operator. These dynamics are used ...