Now showing items 1-20 of 77

    • Supramolecular block copolymer photovoltaics through ureido-pyrimidinone hydrogen bonding interactions 

      Lin, Yen-Hao; Nie, Wanyi; Tsai, Hsinhan; Li, Xiaoyi; Gupta, Gautam; Mohite, Aditya D.; Verduzco, Rafael (2016)
      A challenge in the development of bulk heterojunction organic photovoltaics (BHJ OPVs) is achieving a desirable nanoscale morphology. This is particularly true for polymer blend OPVs in which large-scale phase separation ...
    • Modified Mason number for charged paramagnetic colloidal suspensions 

      Du, Di; Hilou, Elaa; Biswal, Sibani Lisa (2016)
      The dynamics of magnetorheological fluids have typically been described by the Mason number, a governing parameter defined as the ratio between viscous and magnetic forces in the fluid. For most experimental suspensions ...
    • 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 ...
    • Effect of Surfactant Partitioning Between Gaseous Phase and Aqueous Phase onᅠCO2ᅠFoam Transport for Enhanced Oil Recovery 

      Zeng, Yongchao; Ma, Kun; Farajzadeh, Rouhi; Puerto, Maura; Biswal, Sibani L.; Hirasaki, George J. (2016)
      CO2 flood is one of the most successful and promising enhanced oil recovery technologies. However the displacement is limited by viscous fingering, gravity segregation and reservoir heterogeneity. Foaming the CO2 and brine ...
    • Role of Gas Type on Foam Transport in Porous Media 

      Zeng, Yongchao; Farajzadeh, Rouhi; Eftekhari, Ali Akbar; Vincent-Bonnieu, Sebastien; Muthuswamy, Aarthi; Rossen, William R.; Hirasaki, George J.; Biswal, Sibani L. (2016)
      We present the results of an experimental investigation of the effect of gas type and composition on foam transport in porous media. Steady-state foam strengths with respect to three cases of distinct gases and two cases ...
    • Dynamics of paramagnetic squares in uniform magnetic fields 

      Du, Di; He, Peng; Zeng, Yongchao; Biswal, Sibani Lisa (2016)
      The magnetic forces between paramagnetic squares cannot be calculated using a classic dipolar model because the magnetic field distribution is not uniform within square particles. Here, we present the calculation of magnetic ...
    • Insights on Foam Transport from a Texture-Implicit Local-Equilibrium Model with an Improved Parameter Estimation Algorithm 

      Zeng, Yongchao; Muthuswamy, Aarthi; Ma, Kun; Wang, Le; Farajzadeh, Rouhi; Puerto, Maura; Vincent-Bonnieu, Sebastien; Akbar Eftekhari, Ali; Wang, Ying; Da, Chang; Joyce, Jeffrey C.; Biswal, Sibani L.; Hirasaki, George J. (2016)
      We present an insightful discussion on the implications of foam transport inside porous media based on an improved algorithm for the estimation of model parameters. A widely used texture-implicit local-equilibrium foam ...
    • Role of Gas Type on Foam Transport in Porous Media 

      Zeng, Yongchao; Farajzadeh, Rouhi; Eftekhari, Ali Akbar; Vincent-Bonnieu, Sebastien; Muthuswamy, Aarthi; Rossen, William R.; Hirasaki, George J.; Biswal, Sibani L. (2016)
      We present the results of an experimental investigation of the effect of gas type and composition on foam transport in porous media. Steady-state foam strengths with respect to three cases of distinct gases and two cases ...
    • 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 ...
    • Examining Asphaltene Solubility on Deposition in Model Porous Media 

      Lin, Yu-Jiun; He, Peng; Tavakkoli, Mohammad; Mathew, Nevin Thunduvila; Fatt, Yap Yit; Chai, John C.; Goharzadeh, Afshin; Vargas, Francisco M.; Biswal, Sibani Lisa (2016)
      Asphaltenes are known to cause severe flow assurance problems in the near-wellbore region of oil reservoirs. Understanding the mechanism of asphaltene deposition in porous media is of great significance for the development ...
    • Genetic and Chemical Activation of TFEB Mediates Clearance of Aggregated α-Synuclein 

      Kilpatrick, Kiri; Zeng, Yimeng; Hancock, Tommy; Segatori, Laura (2015)
      Aggregation of α-synuclein (α-syn) is associated with the development of a number of neurodegenerative diseases, including Parkinson’s disease (PD). The formation of α-syn aggregates results from aberrant accumulation of ...
    • HSulf-1 deficiency dictates a metabolic reprograming of glycolysis and TCA cycle in ovarian cancer 

      Mondal, Susmita; Roy, Debarshi; Camacho-Pereira, Juliana; Khurana, Ashwani; Chini, Eduardo; Yang, Lifeng; Baddour, Joelle; Stilles, Katherine; Padmabandu, Seth; Leung, Sam; Kalloger, Steve; Gilks, Blake; Lowe, Val; Dierks, Thomas; Hammond, Edward; Dredge, Keith; Nagrath, Deepak; Shridhar, Viji (2015)
      Warburg effect has emerged as a potential hallmark of many cancers. However, the molecular mechanisms that led to this metabolic state of aerobic glycolysis, particularly in ovarian cancer (OVCA) have not been completely ...
    • Highly Flexible Self-Assembled V2O5 Cathodes Enabled by Conducting Diblock Copolymers 

      An, Hyosung; Mike, Jared; Smith, Kendall A.; Swank, Lisa; Lin, Yen-Hao; Pesek, Stacy L.; Verduzco, Rafael; Lutkenhaus, Jodie L. (2015)
      Mechanically robust battery electrodes are desired for applications in wearable devices, flexible displays, and structural energy and power. In this regard, the challenge is to balance mechanical and electrochemical ...
    • Application of molecular modeling to the vapor–liquid equilibrium of alkyl esters (biodiesel) and alcohols systems 

      Corazza, Marcos L.; Fouad, Wael A.; Chapman, Walter G. (2015)
      This work is focused on the thermodynamic modeling of systems related to biodiesel processing using the Perturbed Chain form of the Statistical Associating Fluid Theory (PC-SAFT). Different binary ester + ester and methanol ...
    • High pressure measurements and molecular modeling of the water content of acid gas containing mixtures 

      Fouad, Wael A.; Yarrison, Matt; Song, Kyoo Y.; Cox, Kenneth R.; Chapman, Walter G. (2015)
      Water content of three carbon dioxide containing natural gas mixtures in equilibrium with an aqueous phase was measured using a dynamic saturation method. Measurements were performed up to high temperatures (477.6 K = 400°F) ...
    • Structure, function, self-assembly, and applications of bottlebrush copolymers 

      Verduzco, Rafael; Li, Xianyu; Pesek, Stacy L.; Stein, Gila E. (2015)
      Bottlebrush polymers are a type of branched or graft polymer with polymeric side-chains attached to a linear backbone, and the unusual architectures of bottlebrushes provide a number of unique and potentially useful ...
    • Metabolic transistor strategy for controlling electron transfer chain activity in Escherichia coli 

      Wu, Hui; Tuli, Leepika; Bennett, George N.; San, Ka-Yiu (2015)
      A novel strategy to finely control a large metabolic flux by using a “metabolic transistor” approach was established. In this approach a small change in the level or availability of an essential component for the process ...
    • Theoretical analysis of selectivity mechanisms in molecular transport through channels and nanopores 

      Agah, Shaghayegh; Pasquali, Matteo; Kolomeisky, Anatoly B. (2015)
      Selectivity is one of the most fundamental concepts in natural sciences, and it is also critically important in various technological, industrial, and medical applications. Although there are many experimental methods that ...
    • Unimolecular Submersible Nanomachines. Synthesis, Actuation, and Monitoring 

      García-López, Víctor; Chiang, Pinn-Tsong; Chen, Fang; Ruan, Gedeng; Martí, Angel A.; Kolomeisky, Anatoly B.; Wang, Gufeng; Tour, James M. (2015)
      Unimolecular submersible nanomachines (USNs) bearing light-driven motors and fluorophores are synthesized. NMR experiments demonstrate that the rotation of the motor is not quenched by the fluorophore and that the motor ...
    • Experimental realization of crossover in shape and director field of nematic tactoids 

      Jamali, Vida; Behabtu, Natnael; Senyuk, Bohdan; Lee, J. Alex; Smalyukh, Ivan I.; van der Schoot, Paul; Pasquali, Matteo (2015)
      Spindle-shaped nematic droplets (tactoids) form in solutions of rod-like molecules at the onset of the liquid crystalline phase. Their unique shape and internal structure result from the interplay of the elastic deformation ...