Now showing items 1-20 of 512

    • Surfactant-assisted individualization and dispersion of boron nitride nanotubes 

      McWilliams, Ashleigh D. Smith; Reyes, Carlos A. de los; Liberman, Lucy; Ergülen, Selin; Talmon, Yeshayahu; Pasquali, Matteo; A. Martí, Angel (2019)
      Boron nitride nanotubes (BNNTs) belong to a novel class of material with useful thermal, electronic and optical properties. However, the study and the development of applications of this material requires the formation of ...
    • Solar thermal desalination as a nonlinear optical process 

      Dongare, Pratiksha D.; Alabastri, Alessandro; Neumann, Oara; Nordlander, Peter; Halas, Naomi J. (2019)
      The ever-increasing global need for potable water requires practical, sustainable approaches for purifying abundant alternative sources such as seawater, high-salinity processed water, or underground reservoirs. Evaporation-based ...
    • Quantitative analysis of gas phase molecular constituents using frequency-modulated rotational spectroscopy 

      Lou, Minghe; Swearer, Dayne F.; Gottheim, Samuel; Phillips, Dane J.; Simmons, Jay G. Jr.; Halas, Naomi J.; Everitt, Henry O. (2019)
      Rotational spectroscopy has been used for decades for virtually unambiguous identification of gas phase molecular species, but it has rarely been used for the quantitative analysis of molecular concentrations. Challenges ...
    • Polydopamine-Stabilized Aluminum Nanocrystals: Aqueous Stability and Benzo[a]pyrene Detection 

      Renard, David; Tian, Shu; Ahmadivand, Arash; DeSantis, Christopher J.; Clark, Benjamin D.; Nordlander, Peter; Halas, Naomi J. (2019)
      Aluminum nanocrystals have emerged as an earth-abundant material for plasmonics applications. Al nanocrystals readily oxidize in aqueous-based solutions, however, transforming into highly stratified γ-AlOOH nanoparticles ...
    • Ligand-Dependent Colloidal Stability Controls the Growth of Aluminum Nanocrystals 

      Clark, Benjamin D.; DeSantis, Christopher J.; Wu, Gang; Renard, David; McClain, Michael J.; Bursi, Luca; Tsai, Ah-Lim; Nordlander, Peter; Halas, Naomi J. (2019)
      The precise size- and shape-controlled synthesis of monodisperse Al nanocrystals remains an open challenge, limiting their utility for numerous applications that would take advantage of their size and shape-dependent optical ...
    • Impact of chemical interface damping on surface plasmon dephasing 

      Therrien, Andrew J.; Kale, Matthew J.; Yuan, Lin; Zhang, Chao; Halas, Naomi J.; Christopher, Phillip (2019)
      The excellent light harvesting ability of plasmonic nanoparticles makes them promising materials for a variety of technologies that rely on the conversion of photons to energetic charge carriers. In such applications, ...
    • Toward a Nanophotonic Nose: A Compressive Sensing-Enhanced, Optoelectronic Mid-Infrared Spectrometer 

      Cerjan, Benjamin; Halas, Naomi J. (2019)
      Infrared (IR) spectroscopy has been a central tool for chemical analysis for decades, useful in a wide range of fields for the detection and quantification of molecules based on their unique vibrational resonances. ...
    • Highly Defective UiO-66 Materials for the Adsorptive Removal of Perfluorooctanesulfonate 

      Clark, Chelsea A.; Heck, Kimberly N.; Powell, Camilah D.; Wong, Michael S. (2019)
      Perfluorooctanesulfonate (PFOS) is a persistent organic pollutant that is bioaccumulative and toxic. While its use in most countries has been restricted to certain industrial applications due to environmental and health ...
    • Catalytic Converters for Water Treatment 

      Heck, Kimberly N.; Garcia-Segura, Sergi; Westerhoff, Paul; Wong, Michael S. (2019)
      Fresh water demand is driven by human consumption, agricultural irrigation, and industrial usage and continues to increase along with the global population. Improved methods to inexpensively and sustainably clean water ...
    • Microencapsulated Photoluminescent Gold for ppb-Level Chromium(VI) Sensing 

      Yin, Yiyuan B.; Coonrod, Christian L.; Heck, Kimberly N.; Lejarza, Fernando; Wong, Michael S. (2019)
      Luminescent gold nanoclusters (Au NCs) are a promising probe material for selective chemical sensing. However, low luminescent intensity and an incomplete understanding of the mechanistic origin of the luminescence limit ...
    • Hydrogen-generating behavior of Pd-decorated gold nanoparticles via formic acid decomposition 

      Zhao, Zhun; Heck, Kimberly N.; Limpornpipat, Pongsak; Qian, Huifeng; Miller, Jeffrey T.; Wong, Michael S. (2019)
      Formic acid is a promising hydrogen storage material where hydrogen is generated via metal-catalyzed decomposition. Bimetallic catalysts are active for this reaction, but the mechanism has not been fully proven. Palladium ...
    • Plasmonic nanoparticle-based epoxy photocuring: A deeper look 

      Roberts, Adam T.; Yang, Jian; Reish, Matthew E.; Alabastri, Alessandro; Halas, Naomi J.; Nordlander, Peter; Everitt, Henry O. (2019)
      Many epoxyᅠadhesivesᅠrequire high temperatures to bondᅠcomposite materials. However, oven heating severely restricts what may be attached or enclosed within composite material-based structures and greatly limits the ...
    • Creating fluorescent quantum defects in carbon nanotubes using hypochlorite and light 

      Lin, Ching-Wei; Bachilo, Sergei M.; Zheng, Yu; Tsedev, Uyanga; Huang, Shengnan; Weisman, R. Bruce; Belcher, Angela M. (2019)
      Covalent doping of single-walled carbon nanotubes (SWCNTs) can modify their optical properties, enabling applications as single-photon emitters and bio-imaging agents. We report here a simple, quick, and controllable method ...
    • Redox-dependent gating of VDAC by mitoNEET 

      Lipper, Colin H.; Stofleth, Jason T.; Bai, Fang; Sohn, Yang-Sung; Roy, Susmita; Mittler, Ron; Nechushtai, Rachel; Onuchic, José N.; Jennings, Patricia A. (2019)
      MitoNEET is an outer mitochondrial membrane protein essential for sensing and regulation of iron and reactive oxygen species (ROS) homeostasis. It is a key player in multiple human maladies including diabetes, cancer, ...
    • Near-equilibrium growth from borophene edges on silver 

      Zhang, Zhuhua; Mannix, Andrew J.; Liu, Xiaolong; Hu, Zhili; Guisinger, Nathan P.; Hersam, Mark C.; Yakobson, Boris I. (2019)
      Two-dimensional boron, borophene, was realized in recent experiments but still lacks an adequate growth theory for guiding its controlled synthesis. Combining ab initio calculations and experimental characterization, we ...
    • NRF2 activates a partial epithelial-mesenchymal transition and is maximally present in a hybrid epithelial/mesenchymal phenotype 

      Bocci, Federico; Tripathi, Satyendra C.; Vilchez Mercedes, Samuel A.; George, Jason T.; Casabar, Julian P.; Wong, Pak Kin; Hanash, Samir M.; Levine, Herbert; Onuchic, José N.; Jolly, Mohit Kumar (2019)
      The epithelial-mesenchymal transition (EMT) is a key process implicated in cancer metastasis and therapy resistance. Recent studies have emphasized that cells can undergo partial EMT to attain a hybrid epithelial/mesenchymal ...
    • Effectiveness of metal oxide catalysts for the degradation of 1,4-dioxane 

      Heck, Kimberly N.; Wang, Yehong; Wu, Gang; Wang, Feng; Tsai, Ah-Lim; Adamson, David T.; Wong, Michael S. (2019)
      1,4-dioxane, commonly used as a solvent stabilizer and industrial solvent, is an environmental contaminant and probable carcinogen. In this study, we explored the concept of using metal oxides to activate H2O2 catalytically ...
    • Understanding the effect of carbon nanotube functionalization on copper electrodeposition 

      Kazimierska, Ewa; Andreoli, Enrico; Barron, Andrew R. (2019)
      The dynamics of electrochemical deposition and dissolution of copper in the presence of functionalized multiwalled carbon nanotubes in solution has been studied in detail using an electrochemical quartz crystal microbalance. ...
    • Theoretical investigation of stochastic clearance of bacteria: first-passage analysis 

      Teimouri, Hamid; Kolomeisky, Anatoly B. (2019)
      Understanding mechanisms of bacterial eradication is critically important for overcoming failures of antibiotic treatments. Current studies suggest that the clearance of large bacterial populations proceeds deterministically, ...
    • Trade-Offs between Error, Speed, Noise, and Energy Dissipation in Biological Processes with Proofreading 

      Mallory, Joel D.; Kolomeisky, Anatoly B.; Igoshin, Oleg A. (2019)
      High accuracy of major biological processes relies on the ability of the participating enzymatic molecules to preferentially select the correct substrate from a pool of chemically similar substrates by activating the ...