Now showing items 1-20 of 2237

    • Improving gold catalysis of nitroarene reduction with surface Pd 

      Pretzer, Lori A.; Heck, Kimberly N.; Kim, Sean S.; Fang, Yu-Lun; Zhao, Zhun; Guo, Neng; Wu, Tianpin; Miller, Jeffrey T.; Wong, Michael S. (2016)
      Nitroarene reduction reactions are commercialized catalytic processes that play a key role in the synthesis of many products including medicines, rubbers, dyes, and herbicides. Whereas bimetallic compositions have been ...
    • Impact of Environmental Variables on the Reduction of Nitric Acid by Proxies for Volatile Organic Compounds Emitted by Motor Vehicles 

      Leong, Y. J.; Rutter, A.P.; Wong, H.Y.; Gutierrez, C.V.; Junaid, M.; Scheuer, E.; Gong, L.; Lewicki, R.; Dibb, J.E.; Tittel, F.K.; Griffin, R.J. (2016)
      Recent work has identified nitric acid (HNO3) as a potential precursor of nitrous acid (HONO), which is an important source of oxidants that regulate ozone and particulate pollution. Recent work in our laboratory has ...
    • Computational modeling of the arterial wall based on layer-specific histological data 

      Jin, Tao; Stanciulescu, Ilinca (2016)
      Arterial walls typically have a heterogeneous structure with three different layers (intima, media, and adventitia). Each layer can be modeled as a fiber-reinforced material with two families of relatively stiff collagenous ...
    • Net greenhouse gas emissions savings from natural gas substitutions in vehicles, furnaces, and power plants 

      Cohan, Daniel S.; Sengupta, Shayak (2016)
      We compare the net greenhouse gas emissions impact of substituting natural gas for other fossil fuels for five purposes: light-duty vehicles, transit buses, residential heating, electricity generation, and export for ...
    • Structural and Optical Properties of Discrete Dendritic Pt Nanoparticles on Colloidal Au Nanoprisms 

      Leary, Rowan K.; Kumar, Anjli; Straney, Patrick J.; Collins, Sean M.; Yazdi, Sadegh; Dunin-Borkowski, Rafal E.; Midgley, Paul A.; Millstone, Jill E.; Ringe, Emilie (2016)
      Catalytic and optical properties can be coupled by combining different metals into nanoscale architectures where both the shape and composition provide fine-tuning of functionality. Here, discrete, small Pt nanoparticles ...
    • 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. ...
    • Airmass aging metrics derived from particle and other measurements near Fort Worth 

      Cevik, B. Karakurt; Rutter, A.P.; Gong, L.; Griffin, R.J.; Flynn, J.H.; Lefer, B.L.; Kim, S. (2016)
      The composition, concentration, and size of submicron particulate matter (PM1) were measured at five-minute resolution by an Aerodyne high-resolution time-of-flight aerosol mass spectrometer (HR-ToF-AMS) at a semi-rural ...
    • 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 ...
    • Open-Source Selective Laser Sintering (OpenSLS) of Nylon and Biocompatible Polycaprolactone 

      Kinstlinger, Ian S.; Bastian, Andreas; Paulsen, Samantha J.; Hwang, Daniel H.; Ta, Anderson H.; Yalacki, David R.; Schmidt, Tim; Miller, Jordan S. (2016)
      Selective Laser Sintering (SLS) is an additive manufacturing process that uses a laser to fuse powdered starting materials into solid 3D structures. Despite the potential for fabrication of complex, high-resolution structures ...
    • Observing the interplay between surface and bulk optical nonlinearities in thin van der Waals crystals 

      Deckoff-Jones, Skylar; Zhang, Jingjing; Petoukhoff, Christopher E.; Man, Michael K.L.; Lei, Sidong; Vajtai, Robert; Ajayan, Pulickel M.; Talbayev, Diyar; Madéo, Julien; Dani, Keshav M. (2016)
      Van der Waals materials, existing in a range of thicknesses from monolayer to bulk, allow for interplay between surface and bulk nonlinearities, which otherwise dominate only at atomically-thin or bulk extremes, respectively. ...
    • Carbon Redox-Polymer-Gel Hybrid Supercapacitors 

      Vlad, A.; Singh, N.; Melinte, S.; Gohy, J.-F.; Ajayan, P.M. (2016)
      Energy storage devices that provide high specific power without compromising on specific energy are highly desirable for many electric-powered applications. Here, we demonstrate that polymer organic radical gel materials ...
    • High-throughput screening of metal-porphyrin-like graphenes for selective capture of carbon dioxide 

      Bae, Hyeonhu; Park, Minwoo; Jang, Byungryul; Kang, Yura; Park, Jinwoo; Lee, Hosik; Chung, Haegeun; Chung, ChiHye; Hong, Suklyun; Kwon, Yongkyung; Yakobson, Boris I.; Lee, Hoonkyung (2016)
      Nanostructured materials, such as zeolites and metal-organic frameworks, have been considered to capture CO2. However, their application has been limited largely because they exhibit poor selectivity for flue gases and low ...
    • Ultrafast Optical Microscopy of Single Monolayer Molybdenum Disulfide Flakes 

      Seo, Minah; Yamaguchi, Hisato; Mohite, Aditya D.; Boubanga-Tombet, Stephane; Blancon, Jean-Christophe; Najmaei, Sina; Ajayan, Pulickel M.; Lou, Jun; Taylor, Antoinette J.; Prasankumar, Rohit P. (2016)
      We have performed ultrafast optical microscopy on single flakes of atomically thin CVD-grown molybdenum disulfide, using non-degenerate femtosecond pump-probe spectroscopy to excite and probe carriers above and below the ...
    • Reconstruction of Tissue-Specific Metabolic Networks Using CORDA 

      Schultz, André; Qutub, Amina A. (2016)
      Human metabolism involves thousands of reactions and metabolites. To interpret this complexity, computational modeling becomes an essential experimental tool. One of the most popular techniques to study human metabolism ...
    • Tumor Budding: The Name is EMT. Partial EMT. 

      Grigore, Alexandru Dan; Jolly, Mohit Kumar; Jia, Dongya; Farach-Carson, Mary C.; Levine, Herbert (2016)
      Tumor budding is a histological phenomenon encountered in various cancers, whereby individual malignant cells and/or small clusters of malignant cells are seen in the tumor stroma. Postulated to be mirror epithelial-mesenchymal ...
    • Analysis of overtone flexural modes operation in quartz-enhanced photoacoustic spectroscopy 

      Tittel, Frank K.; Sampaolo, Angelo; Patimisco, Pietro; Dong, Lei; Geras, Antonina; Starecki, Tomasz; Spagnolo, Vincenzo (2016)
      A detailed investigation of a set of custom quartz tuning forks (QTFs), operating in the fundamental and first overtone flexural modes is reported. Support losses are the dominant energy dissipation processes when the QTFs ...
    • 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 ...
    • 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 ...
    • Native characterization of nucleic acid motif thermodynamics via non-covalent catalysis 

      Wang, Chunyan; Bae, Jin H.; Zhang, David Yu (2016)
      DNA hybridization thermodynamics is critical for accurate design of oligonucleotides for biotechnology and nanotechnology applications, but parameters currently in use are inaccurately extrapolated based on limited ...
    • Low-Loss Coupling of Quantum Cascade Lasers into Hollow-Core Waveguides with Single-Mode Output in the 3.7–7.6 μm Spectral Range 

      Patimisco, Pietro; Sampaolo, Angelo; Mihai, Laura; Giglio, Marilena; Kriesel, Jason; Sporea, Dan; Scamarcio, Gaetano; Tittel, Frank K.; Spagnolo, Vincenzo (2016)
      We demonstrated low-loss and single-mode laser beam delivery through hollow-core waveguides (HCWs) operating in the 3.7–7.6 μm spectral range. The employed HCWs have a circular cross section with a bore diameter of 200 μm ...