Now showing items 197-216 of 782

    • Gas density drops inside dust cavities of transitional disks around young stars observed with ALMA 

      van der Marel, N.; van Dishoeck, E.F.; Bruderer, S.; Pérez, L.; Isella, A. (2015)
      Context. Transitional disks with large dust cavities are important laboratories in which to study planet formation and disk evolution. Cold gas may still be present inside these cavities, but quantying this gas is challenging. ...
    • Generalized Manning Condensation Model Captures the RNA Ion Atmosphere 

      Hayes, Ryan L.; Noel, Jeffrey K.; Mandic, Ana; Whitford, Paul C.; Sanbonmatsu, Karissa Y.; Mohanty, Udayan; Onuchic, José N. (2015)
      RNA is highly sensitive to the ionic environment and typically requires Mg2+ to form compact structures. There is a need for models capable of describing the ion atmosphere surrounding RNA with quantitative accuracy. We ...
    • Genomics-aided structure prediction 

      Sulkowska, Joanna I.; Morcos, Faruck; Weigt, Martin; Hwa, Terence; Onuchic, José N. (2012)
      We introduce a theoretical framework that exploits the everincreasing genomic sequence information for protein structure prediction. Structure-based models are modified to incorporate constraints by a large number of ...
    • Geometrical Frustration in Interleukin-33 Decouples the Dynamics of the Functional Element from the Folding Transition State Ensemble 

      Fisher, Kaitlin M.; Haglund, Ellinor; Noel, Jeffrey K.; Hailey, Kendra L.; Onuchic, José N.; Jennings, Patricia A. (2015)
      Interleukin-33 (IL-33) is currently the focus of multiple investigations into targeting pernicious inflammatory disorders. This mediator of inflammation plays a prevalent role in chronic disorders such as asthma, rheumatoid ...
    • Giant Terahertz-Wave Absorption by Monolayer Graphene in a Total Internal Reflection Geometry 

      Harada, Yoichi; Ukhtary, Muhammad Shoufie; Wang, Minjie; Srinivasan, Sanjay K.; Hasdeo, Eddwi H.; Nugraha, Ahmad R.T.; Noe, G. Timothy II; Sakai, Yuji; Vajtai, Robert; Ajayan, Pulickel M.; Saito, Riichiro; Kono, Junichiro (2017)
      We experimentally demonstrated significant enhancement of terahertz-wave absorption in monolayer graphene by simply sandwiching monolayer graphene between two dielectric media in a total internal reflection geometry. In ...
    • Giant tunable Faraday effect in a semiconductor magneto-plasma for broadband terahertz polarization optics 

      Arikawa, Takashi; Wang, Xiangfeng; Belyanin, Alexey A.; Kono, Junichiro (2012)
      We report on a giant Faraday effect in an electron plasma in n- InSb probed via polarization-resolved terahertz (THz) time-domain spectroscopy. Polarization rotation angles and ellipticities reach as large as π/2 and 1, ...
    • Glide reflection symmetry, Brillouin zone folding, and superconducting pairing for the P4/nmm space group 

      Nica, Emilian M.; Yu, Rong; Si, Qimiao (2015)
      Motivated by the studies of the superconducting pairing states in the iron-based superconductors, we analyze the effects of Brillouin zone folding procedure from a space-group symmetry perspective for a general class of ...
    • GRB110721A: An Extreme Peak Energy and Signatures of the Photosphere 

      Baring, M.G.; Axelsson, M.; Baldini, L.; Barbiellini, G.; Bellazzini, R.; Bregeon, J.; Brigida, M.; Bruel, P.; Buehler, R.; Caliandro, G.A.; Cameron, R.A.; Caraveo, P.A.; Cecchi, C.; Chaves, R.C.G.; Chekhtman, A.; Chiang, J.; Claus, R.; Conrad, J.; Cutini, S.; D'Ammando, F.; de Palma, F.; Dermer, C.D.; do Couto e Silva, E.; Drell, P.S.; Favuzzi, C.; Fegan, S.J.; Ferrara, E.C.; Focke, W.B.; Fukazawa, Y.; Fusco, P.; Gargano, F.; Gasparrini, D.; Gehrels, N.; Germani, S.; Giglietto, N.; Giroletti, M.; Godfrey, G.; Guiriec, S.; Hadasch, D.; Hanabata, Y.; Hayashida, M.; Hou, X.; Iyyani, S.; Jackson, M.S.; Kocevski, D.; Kuss, M.; Larsson, J.; Longo, F.; Loparco, F.; Lundman, C.; Mazziotta, M.N.; McEnery, J.E.; Mizuno, T.; Monzani, M.E.; Moretti, E.; Morselli, A.; Murgia, S.; Nuss, E.; Nymark, T.; Ohno, M.; Omodei, N.; Pesce-Rollins, M.; Piron, F.; Pivato, G.; Racusin, J.L.; Rainò, S.; Razzano, M.; Razzaque, S.; Reimer, A.; Roth, M.; Ryde, F.; Sanchez, D.A.; Sgrò, C.; Siskind, E.J.; Spandre, G.; Spinelli, P.; Stamatikos, M.; Tibaldo, L.; Tinivella, M.; Usher, T.L.; Vandenbroucke, J.; Vasileiou, V.; Vianello, G.; Vitale, V.; Waite, A.P.; Winer, B.L.; Wood, K.S.; Burgess, J.M.; Bhat, P.N.; Bissaldi, E.; Briggs, M.S.; Connaughton, V.; Fishman, G.; Fitzpatrick, G.; Foley, S.; Gruber, D.; Kippen, R.M.; Kouveliotou, C.; Jenke, P.; McBreen, S.; McGlynn, S.; Meegan, C.; Paciesas, W.S.; Pelassa, V.; Preece, R.; Tierney, D.; von Kienlin, A.; Wilson-Hodge, C.; Xiong, S.; Pe'er, A.; Pe'er, A. (2012)
      GRB110721A was observed by the Fermi Gamma-ray Space Telescope using its two instruments, the Large Area Telescope (LAT) and the Gamma-ray Burst Monitor (GBM). The burst consisted of one major emission episode which lasted ...
    • Ground-based magnetometer determination of in situ Pc4–5 ULF electric field wave spectra as a function of solar wind speed 

      Rae, I. Jonathan; Mann, Ian R.; Murphy, Kyle R.; Ozeke, Louis G.; Milling, David K.; Chan, Anthony A.; Elkington, Scot R.; Honary, Farideh (2012)
      We present a statistical characterization of ground-based ultra-low-frequency ( 1–15 mHz) magnetic wave power spectral densities (PSDs) as a function of latitude (corresponding to dipole L-shells from L 2.5–8), local ...
    • Growth and Collapse of a Bose-Einstein Condensate with Attractive Interactions 

      Sackett, C.A.; Stoof, H.T.C.; Hulet, R.G. (1998)
      We consider the dynamics of a quantum degenerate trapped gas of 7Li atoms. Because the atoms have a negative s-wave scattering length, a Bose condensate of 7Li becomes mechanically unstable when the number of condensate ...
    • Heavy-fermion quantum criticality and destruction of the Kondo effect in a nickelᅠoxypnictide 

      Luo, Yongkang; Pourovskii, Leonid; Rowley, S.E.; Li, Yuke; Feng, Chunmu; Georges, Antoine; Dai, Jianhui; Cao, Guanghan; Xu, Zhuメan; Si, Qimiao; Ong, N.P. (2014)
      A quantum critical point arises at a continuous transformation between distinct phases of matter at zero temperature. Studies in antiferromagnetic heavy-fermion materials have revealed that quantum criticality has several ...
    • Helical Quantum Edge Gears in 2D Topological Insulators 

      Chou, Yang-Zhi; Levchenko, Alex; Foster, Matthew S. (2015)
      We show that two-terminal transport can measure the Luttinger liquid (LL) parameter K, in helical LLs at the edges of two-dimensional topological insulators (TIs) with Rashba spin-orbit coupling. We consider a Coulomb drag ...
    • Hierarchy in gene expression is predictive of risk, progression, and outcome in adult acute myeloid leukemia 

      Tripathi, Shubham; Deem, Michael W. (2015)
      Cancer progresses with a change in the structure of the gene network in normal cells. We define a measure of organizational hierarchy in gene networks of affected cells in adult acute myeloid leukemia (AML) patients. With ...
    • Hierarchy of gene expression data is predictive of future breast cancer outcome 

      Chen, Man; Deem, Michael W. (2013)
      We calculate measures of hierarchy in gene and tissue networks of breast cancer patients. We find that the likelihood of metastasis in the future is correlated with increased values of network hierarchy for expression ...
    • High Chromaticity Aluminum Plasmonic Pixels for Active Liquid Crystal Displays 

      Olson, Jana; Manjavacas, Alejandro; Basu, Tiyash; Huang, Da; Schlather, Andrea E.; Zheng, Bob; Halas, Naomi; Nordlander, Peter; Link, Stephan (2016)
      Chromatic devices such as flat panel displays could, in principle, be substantially improved by incorporating aluminum plasmonic nanostructures instead of conventional chromophores that are susceptible to photobleaching. ...
    • High e+/e− Ratio Dense Pair Creation with 1021W.cm−2 Laser Irradiating Solid Targets 

      Liang, E.; Clarke, T.; Henderson, A.; Fu, W.; Lo, W.; Taylor, D.; Chaguine, P.; Zhou, S.; Hua, Y.; Cen, X.; Wang, X.; Kao, J.; Hasson, H.; Dyer, G.; Serratto, K.; Riley, N.; Donovan, M.; Ditmire, T. (2015)
      We report results of new pair creation experiments using ~100 Joule pulses of the Texas Petawatt Laser to irradiate solid gold and platinum targets, with intensities up to ~1.9 × 10(21) W.cm(-2) and pulse durations as short ...
    • High hardness in the biocompatible intermetallic compound β-Ti3Au 

      Svanidze, Eteri; Besara, Tiglet; Ozaydin, M. Fevsi; Tiwary, Chandra Sekhar; Wang, Jiakui K.; Radhakrishnan, Sruthi; Mani, Sendurai; Xin, Yan; Han, Ke; Liang, Hong; Siegrist, Theo; Ajayan, Pulickel M.; Morosan, E. (2016)
      The search for new hard materials is often challenging, but strongly motivated by the vast application potential such materials hold. Ti3Au exhibits high hardness values (about four times those of pure Ti and most steel ...
    • High-Ampacity Power Cables of Tightly-Packed and Aligned Carbon Nanotubes 

      Wang, Xuan; Behabtu, Natnael; Young, Colin C.; Tsentalovich, Dmitri E.; Pasquali, Matteo; Kono, Junichiro (2014)
      The current-carrying capacity (CCC), or ampacity, of highly-conductive, light, and strong carbon nanotube (CNT) fibers is characterized by measuring their failure current density (FCD) and continuous current rating (CCR) ...
    • A high-throughput three-dimensional cell migration assay for toxicity screening with mobile device-based macroscopic image analysis 

      Timm, David M.; Chen, Jianbo; Sing, David; Gage, Jacob A.; Haisler, William L.; Neeley, Shane K.; Raphael, Robert M.; Dehghani, Mehdi; Rosenblatt, Kevin P.; Killian, T.C.; Tseng, Hubert; Souza, Glauco R. (2013)
      There is a growing demand for in vitro assays for toxicity screening in three-dimensional (3D) environments. In this study, 3D cell culture using magnetic levitation was used to create an assay in which cells were patterned ...