Now showing items 1-20 of 247

    • The opposite effects of sodium and potassium cations on water dynamics 

      Zhang, Qiang; Chen, Hailong; Wu, Tianmin; Jin, Tan; Pan, Zhijun; Zheng, Junrong; Gao, Yiqin; Zhuang, Wei (2017)
      Water rotational dynamics in NaSCN and KSCN solutions at a series of concentrations are investigated using femtosecond infrared spectroscopy and theory. Femtosecond infrared measurements, consistent with previous NMR ...
    • Broadband Absorption Engineering to Enhance Light Absorption in Monolayer MoS2 

      Bahauddin, Shah Mohammad; Robatjazi, Hossein; Thomann, Isabell (2016)
      Here we take a first step toward tackling the challenge of incomplete optical absorption in monolayers of transition metal dichalcogenides for conversion of photon energy, including solar, into other forms of energy. We ...
    • 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. ...
    • Notch-Jagged signalling can give rise to clusters of cells exhibiting a hybrid epithelial/mesenchymal phenotype 

      Boareto, Marcelo; Jolly, Mohit Kumar; Goldman, Aaron; Pietilä, Mika; Mani, Sendurai A.; Sengupta, Shiladitya; Ben-Jacob, Eshel; Levine, Herbert; Onuchic, José N. (2016)
      Metastasis can involve repeated cycles of epithelial-to-mesenchymal transition (EMT) and its reverse mesenchymal-to-epithelial transition. Cells can also undergo partial transitions to attain a hybrid epithelial/mesenchymal ...
    • New Main-Group-Element-Rich nido-Octahedral Cluster System: Synthesis and Characterization of [Et4N][Fe2(CO)6(μ3-As){μ3-EFe(CO)4}2] 

      Schipper, Desmond E.; Ikhlef, Djamila; Khalal, Samila; Saillard, Jean-Yves; Whitmire, Kenton H. (2016)
      A series of clusters of the form [Et4N][Fe2(CO)6(μ3-As)}(μ3-EFe(CO)4)], where E is either P or As, were synthesized from [Et4N]2[HAs{Fe(CO)4}3] and ECl3. AsCl3 gives the As-only compound; PCl3 produces compounds having two ...
    • Gadonanotube materials as new intracellular MRI contrast agents for stem cell labeling 

      Hernández-Rivera, Mayra; Wilson, Lon J. (2016)
      Stem cells possess great potential for different medical applications and every year more investigators join this field of study. As interest in stem cells has increased, it has become essential to track the cellsin vivo in ...
    • Crowding on DNA in Protein Search for Targets 

      Shvets, Alexey A.; Kolomeisky, Anatoly B. (2016)
      Proteins searching and recognizing specific sites on DNA is required for initiating all major biological processes. While the details of the protein search for targets on DNA in purified in vitro systems are reasonably ...
    • Ring-locking enables selective anhydrosugar synthesis from carbohydrate pyrolysis 

      Chen, Li; Zhao, Jinmo; Pradhan, Sivaram; Brinson, Bruce E.; Scuseria, Gustavo E.; Zhang, Z. Conrad; Wong, Michael S. (2016)
      The selective production of platform chemicals from thermal conversion of biomass-derived carbohydrates is challenging. As precursors to natural products and drug molecules, anhydrosugars are difficult to synthesize from ...
    • Detecting the Biopolymer Behavior of Graphene Nanoribbons in Aqueous Solution 

      Wijeratne, Sithara S.; Penev, Evgeni S.; Lu, Wei; Li, Jingqiang; Duque, Amanda L.; Yakobson, Boris I.; Tour, James M.; Kiang, Ching-Hwa (2016)
      Graphene nanoribbons (GNR), can be prepared in bulk quantities for large-area applications by reducing the product from the lengthwise oxidative unzipping of multiwalled carbon nanotubes (MWNT). Recently, the biomaterials ...
    • Intensive Atomization Energy: Re-Thinking a Metric for Electronic Structure Theory Methods 

      Perdew, John P.; Sun, Jianwei; Garza, Alejandro J.; Scuseria, Gustavo E. (2016)
      The errors in atomization energies (AE) of molecules have long been used to measure the errors of wavefunction or density functional methods for electronic structure calculations. In particular, the G3 set of Pople and ...
    • Ultrathin AAO Membrane as a Generic Template for Sub-100 nm Nanostructure Fabrication 

      Robatjazi, Hossein; Bahauddin, Shah Mohammad; Macfarlan, Luke H.; Fu, Sidan; Thomann, Isabell (2016)
      Anodic aluminum oxide (AAO) templates are emerging as a platform for simple, cost-effective, high-throughput top-down nanofabrication of regular arrays of nanostructures. Thus far, however, AAO pattern transfer has largely ...
    • Periodic, Quasi-periodic and Chaotic Dynamics in Simple Gene Elements with Time Delays 

      Suzuki, Yoko; Lu, Mingyang; Ben-Jacob, Eshel; Onuchic, José N. (2016)
      Regulatory gene circuit motifs play crucial roles in performing and maintaining vital cellular functions. Frequently, theoretical studies of gene circuits focus on steady-state behaviors and do not include time delays. In ...
    • Adsorption and Unfolding of a Single Protein Triggers Nanoparticle Aggregation 

      Dominguez-Medina, Sergio; Kisley, Lydia; Tauzin, Lawrence J.; Hoggard, Anneli; Shuang, Bo; Indrasekara, A. Swarnapali D.S.; Chen, Sishan; Wang, Lin-Yung; Derry, Paul J.; Liopo, Anton; Zubarev, Eugene R.; Landes, Christy F.; Link, Stephan (2016)
      The response of living systems to nanoparticles is thought to depend on the protein corona, which forms shortly after exposure to physiological fluids and which is linked to a wide array of pathophysiologies. A mechanistic ...
    • Impacts of biochar concentration and particle size on hydraulic conductivity and DOC leaching of biochar-sand mixtures 

      Liu, Zuolin; Dugan, Brandon; Masiello, Caroline A.; Barnes, Rebecca T.; Gallagher, Morgan E.; Gonnermann, Helge (2016)
      The amendment of soil with biochar can sequester carbon and alter hydrologic properties by changing physical and chemical characteristics of soil. To understand the effect of biochar amendment on soil hydrology, we measured ...
    • Experiments towards size and dopant control of germanium quantum dots for solar applications 

      Oliva-Chatelain, Brittany L.; Barron, Andrew R. (2016)
      While the literature for the doping of silicon quantum dots (QDs) and nanocrystals (NCs) is extensive, reports of doping their germanium analogs are sparse. We report a range of attempts to dope Ge QDs both during and ...
    • Collective dynamics of processive cytoskeletal motors 

      McLaughlin, R. Tyler; Diehl, Michael R.; Kolomeisky, Anatoly B. (2016)
      Major cellular processes are supported by various biomolecular motors that usually operate together as teams. We present an overview of the collective dynamics of processive cytokeletal motor proteins based on recent ...
    • New Model for Understanding Mechanisms of Biological Signaling: Direct Transport via Cytonemes 

      Teimouri, Hamid; Kolomeisky, Anatoly B. (2016)
      Biological signaling is a crucial natural process that governs the formation of all multicellular organisms. It relies on efficient and fast transfer of information between different cells and tissues. It has been presumed ...
    • Synthesis and Photostability of Unimolecular Submersible Nanomachines: Toward Single-Molecule Tracking in Solution 

      García-López, Víctor; Jeffet, Jonathan; Kuwahara, Shunsuke; Martí, Angel A.; Ebenstein, Yuval; Tour, James M. (2016)
      The synthesis and photophysical properties of a series of photostable unimolecular submersible nanomachines (USNs) are reported as a first step toward the analysis of their trajectories in solution. The USNs have a ...
    • Carbon nanotube fiber terahertz polarizer 

      Zubair, Ahmed; Tsentalovich, Dmitri E.; Young, Colin C.; Heimbeck, Martin S.; Everitt, Henry O.; Pasquali, Matteo; Kono, Junichiro (2016)
      Conventional, commercially available terahertz (THz) polarizers are made of uniformly and precisely spaced metallic wires. They are fragile and expensive, with performance characteristics highly reliant on wire diameters ...
    • Wafer-scale monodomain films of spontaneously aligned single-walled carbon nanotubes 

      He, Xiaowei; Gao, Weilu; Xie, Lijuan; Li, Bo; Zhang, Qi; Lei, Sidong; Robinson, John M.; Hároz, Erik H.; Doorn, Stephen K.; Wang, Weipeng; Vajtai, Robert; Ajayan, Pulickel M.; Adams, W. Wade; Hauge, Robert H.; Kono, Junichiro (2016)
      The one-dimensional character of electrons, phonons and excitons in individual single-walled carbon nanotubes leads to extremely anisotropic electronic, thermal and optical properties. However, despite significant efforts ...