Now showing items 1-20 of 222

    • 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 ...
    • Adsorption of a Protein Monolayer via Hydrophobic Interactions Prevents Nanoparticle Aggregation under Harsh Environmental Conditions 

      Dominguez-Medina, Sergio; Blankenburg, Jan; Olson, Jana; Landes, Christy F.; Link, Stephan (2013)
      We find that citrate-stabilized gold nanoparticles aggregate and precipitate in saline solutions below the NaCl concentration of many bodily fluids and blood plasma. Our experiments indicate that this is due to complexation ...
    • All-time dynamics of continuous-time random walks on complex networks 

      Teimouri, Hamid; Kolomeisky, Anatoly B. (2013)
      The concept of continuous-time random walks (CTRW) is a generalization of ordinary random walk models, and it is a powerful tool for investigating a broad spectrum of phenomena in natural, engineering, social, and economic ...
    • Aluminum Nanocrystals 

      McClain, Michael J.; Schlather, Andrea E.; Ringe, Emilie; King, Nicholas S.; Liu, Lifei; Manjavacas, Alejandro; Knight, Mark W.; Kumar, Ish; Whitmire, Kenton; Everitt, Henry O.; Nordlander, Peter; Halas, Naomi J. (2015)
      We demonstrate the facile synthesis of high purity aluminum nanocrystals over a range of controlled sizes from 70 to 220 nm diameter with size control achieved through a simple modification of solvent ratios in the reaction ...
    • Alumoxane/ferroxane nanoparticles for the removal of viral pathogens: the importance of surface functionality to nanoparticle activity 

      Maguire-Boyle, Samuel J.; Liga, Michael V.; Li, Qilin; Barron, Andrew R. (2012)
      A bi-functional nano-composite coating has been created on a porous Nomex fabric support as a trap for aspirated virus contaminated water. Nomex fabric was successively dip-coated in solutions containing cysteic acid ...
    • Ambient solid-state mechano-chemical reactions between functionalized carbon nanotubes 

      Kabbani, Mohamad A.; Tiwary, Chandra Sekhar; Autreto, Pedro A.S.; Brunetto, Gustavo; Som, Anirban; Krishnadas, K.R.; Ozden, Sehmus; Hackenberg, Ken P.; Gong, Yongi; Galvao, Douglas S.; Vajtai, Robert; Kabbani, Ahmad T.; Pradeep, Thalappil; Ajayan, Pulickel M. (2015)
      Carbon nanotubes can be chemically modified by attaching various functionalities to their surfaces, although harsh chemical treatments can lead to their break-up into graphene nanostructures. On the other hand, direct ...
    • Aminopolycarboxylate Bismuth(III)-Based Heterometallic Compounds as Single-Source Molecular Precursors for Bi4V2O11 and Bi2CuO4 Mixed Oxides 

      Bulimestru, Ion; Shova, Sergiu; Popa, Nelea; Roussel, Pascal; Capet, Frederic; Vannier, Rose-Noelle; Djelal, Nora; Burylo, Laurence; Wignacourt, Jean-Pierre; Gulea, Aurelian; Whitmire, Kenton H. (2014)
      Five heterometallic complexes of general formula M(L)y{Bi(APC)}2·nH2O [M = VO2+, Cu2+; APC = aminopolycarboxylate, in this work ethylenediaminetetraacetate (edta4–) or 1,2 cyclohexanediaminetetraacetate (cdta4–); L = ...
    • Analysis of Cooperative Behavior in Multiple Kinesins Motor Protein Transport by Varying Structural and Chemical Properties 

      Uppulury, Karthik; Efremov, Artem K.; Driver, Jonathan W.; Jamison, D. Kenneth; Diehl, Michael R.; Kolomeisky, Anatoly B. (2013)
      Intracellular transport is a fundamental biological process during which cellular materials are driven by enzymatic molecules called motor proteins. Recent optical trapping experiments and theoretical analysis have uncovered ...
    • Anthropogenic Carbon Nanotubes Found in the Airways of Parisian Children 

      Kolosnjaj-Tabi, Jelena; Just, Jocelyne; Hartman, Keith B.; Laoudi, Yacine; Boudjemaa, Sabah; Alloyeau, Damien; Szwarc, Henri; Wilson, Lon J.; Moussa, Fathi (2015)
      Compelling evidence shows that fine particulate matters (PMs) from air pollution penetrate lower airways and are associated with adverse health effects even within concentrations below those recommended by the WHO. A paper ...
    • Antioxidant Carbon Particles Improve Cerebrovascular Dysfunction Following Traumatic Brain Injury 

      Bitner, Brittany R.; Marcano, Daniela C.; Berlin, Jacob M.; Fabian, Roderic H.; Cherian, Leela; Culver, James C.; Dickinson, Mary E.; Robertson, Claudia S.; Pautler, Robia G.; Kent, Thomas A.; Tour, James M. (2012)
      Injury to the neurovasculature is a feature of brain injury and must be addressed to maximize opportunity for improvement. Cerebrovascular dysfunction, manifested by reduction in cerebral blood flow (CBF), is a key factor ...
    • Are Isoursenol and γ-Amyrin Rare Triterpenes in Nature or Simply Overlooked by Usual Analytical Methods? 

      Shan, Hui; Wilson, William K.; Castillo, Dorianne A.; Matsuda, Seiichi P.T. (2015)
      Among pentacyclic triterpenes commonly found in plants, γ-amyrin and isoursenol are seldom reported and considered rare in nature. It was hypothesized that these triterpenes are instead routinely overlooked due to inadequate ...
    • Atomic cobalt on nitrogen-doped graphene for hydrogen generation 

      Fei, Huilong; Dong, Juncai; Arellano-Jiménez, M. Josefina; Ye, Gonglan; Kim, Nam Dong; Samuel, Errol L.G.; Peng, Zhiwei; Zhu, Zhuan; Qin, Fan; Bao, Jiming; Yacaman, Miguel Jose; Ajayan, Pulickel M.; Chen, Dongliang; Tour, James M. (2015)
      Reduction of water to hydrogen through electrocatalysis holds great promise for clean energy, but its large-scale application relies on the development of inexpensive and efficient catalysts to replace precious platinum ...
    • Au Nanomatryoshkas as Efficient Near-Infrared Photothermal Transducers for Cancer Treatment: Benchmarking against Nanoshells 

      Ayala-Orozco, Ciceron; Urban, Cordula; Knight, Mark W.; Urban, Alexander Skyrme; Neumann, Oara; Bishnoi, Sandra W.; Mukherjee, Shaunak; Goodman, Amanda M.; Charron, Heather; Mitchell, Tamika; Shea, Martin; Roy, Ronita; Nanda, Sarmistha; Schiff, Rachel; Halas, Naomi J.; Joshi, Amit (2014)
      Au nanoparticles with plasmon resonances in the near-infrared (NIR) region of the spectrum efficiently convert light into heat, a property useful for the photothermal ablation of cancerous tumors subsequent to nanoparticle ...
    • Biexciton, single carrier, and trion generation dynamics in single-walled carbon nanotubes 

      Yuma, B.; Berciaud, S.; Besbas, J.; Shaver, J.; Santos, S.; Ghosh, S.; Weisman, R.B.; Cognet, L.; Gallart, M.; Ziegler, M.; Hӧnerlage, B.; Lounis, B.; Gilliot, P. (2013)
      We present a study of free carrier photogeneration and multicarrier bound states, such as biexcitons and trions (charged excitons), in semiconducting single-walled carbon nanotubes. Pump-and-probe measurements performed ...
    • Biocompatible Carbon Nanotube–Chitosan Scaffold Matching the Electrical Conductivity of the Heart 

      Pok, Seokwon; Vitale, Flavia; Eichmann, Shannon L.; Benavides, Omar M.; Pasquali, Matteo; Jacot, Jeffrey G. (2014)
      The major limitation of current engineered myocardial patches for the repair of heart defects is that insulating polymeric scaffold walls hinder the transfer of electrical signals between cardiomyocytes. This loss in signal ...
    • Biomedical applications of plasmon resonant metal nanoparticles 

      Liao, Hongwei; Nehl, Colleen L.; Hafner, Jason H. (2006)
    • Bismuth@US-tubes as a potential contrast agent for X-ray imaging applications 

      Rivera, Eladio J.; Tran, Lesa A.; Hernández-Rivera, Mayra; Yoon, Diana; Mikos, Antonios G.; Rusakova, Irene A.; Cheong, Benjamin Y.; Cabreira-Hansen, Maria da Graça; Willerson, James T.; Perin, Emerson C.; Wilson, Lon J. (2013)
      The encapsulation of bismuth as BiOCl/Bi2O3 within ultra-short (ca. 50 nm) single-walled carbon nanocapsules (US-tubes) has been achieved. The Bi@US-tubes have been characterized by high-resolution transmission electron ...
    • 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 ...
    • Broadband, Polarization-Sensitive Photodetector Based on Optically-Thick Films of Macroscopically Long, Dense, and Aligned Carbon Nanotubes 

      Nanot, Sebastien; Cummings, Aron W.; Pint, Cary L.; Ikeuchi, Akira; Akiho, Takafumi; Sueoka, Kazuhisa; Hauge, Robert H.; Leonard, François; Kono, Junichiro (2013)
      Increasing performance demands on photodetectors and solar cells require the development of entirely new materials and technological approaches.Wereport on the fabrication and optoelectronic characterization of a photodetector ...
    • Bulk induced phase transition in driven diffusive systems 

      Wang, Yu-Qing; Jiang, Rui; Kolomeisky, Anatoly B.; Hu, Mao-Bin (2014)
      This paper studies a weakly and asymmetrically coupled three-lane driven diffusive system. A non-monotonically changing density profile in the middle lane has been observed. When the extreme value of the density profile ...