Now showing items 1-20 of 152

    • A 2-D simulation study on CO2ᅠsoluble surfactant for foam enhanced oil recovery 

      Zeng, Yongchao; Farajzadeh, Rouhi; Biswal, Sibani L.; Hirasaki, George J. (2019)
      This paper probes the transport of CO2ᅠsoluble surfactant for foaming in porous media. We numerically investigate the effect of surfactant partitioning between the aqueous phase and the gaseous phase on foam transport for ...
    • Amphiphilic Bottlebrush Block Copolymers: Analysis of Aqueous Self-Assembly by Small-Angle Neutron Scattering and Surface Tension Measurements 

      Alaboalirat, Mohammed; Qi, Luqing; Arrington, Kyle J.; Qian, Shuo; Keum, Jong K.; Mei, Hao; Littrell, Kenneth C.; Sumpter, Bobby G.; Carrillo, Jan-Michael Y.; Verduzco, Rafael; Matson, John B. (2019)
      A systematic series of 16 amphiphilic bottlebrush block copolymers (BCPs) containing polystyrene and poly(N-acryloylmorpholine) (PACMO) side chains were prepared by a combination of atom-transfer radical polymerization ...
    • Amplification of USP13 drives ovarian cancer metabolism 

      Han, Cecil; Yang, Lifeng; Choi, Hyun Ho; Baddour, Joelle; Achreja, Abhinav; Liu, Yunhua; Li, Yujing; Li, Jiada; Wan, Guohui; Huang, Cheng; Ji, Guang; Zhang, Xinna; Nagrath, Deepak; Lu, Xiongbin (2016)
      Dysregulated energetic metabolism has been recently identified as a hallmark of cancer. Although mutations in metabolic enzymes hardwire metabolism to tumourigenesis, they are relatively infrequent in ovarian cancer. More ...
    • An experimental and computational study of donor–linker–acceptor block copolymers for organic photovoltaics 

      Hu, Zhiqi; Jakowski, Jacek; Zheng, Chenyu; Collison, Christopher J.; Strzalka, Joseph; Sumpter, Bobby G.; Verduzco, Rafael (2018)
      Block copolymers with donor and acceptor conjugated polymer blocks provide an approach to dictating the donor–accepter interfacial structure and understanding its relationship to charge separation and photovoltaic performance. ...
    • Anaerobic fermentation of glycerol: a platform for renewable fuels and chemicals 

      Clomburg, James M.; Gonzalez, Ramon (2013-01)
      To ensure the long-term viability of biorefineries, it is essential to go beyond the carbohydrate-based platform and develop complementing technologies capable of producing fuels and chemicals from a wide array of available ...
    • 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 ...
    • Aqueous-Processed, High-Capacity Electrodes for Membrane Capacitive Deionization 

      Jain, Amit; Kim, Jun; Owoseni, Oluwaseye M.; Weathers, Cierra; Caña, Daniel; Zuo, Kuichang; Walker, W. Shane; Li, Qilin; Verduzco, Rafael (2018)
      Membrane capacitive deionization (MCDI) is a low-cost technology for desalination. Typically, MCDI electrodes are fabricated using a slurry of nanoparticles in an organic solvent along with polyvinylidene fluoride (PVDF) ...
    • Biochar and Microbial Signaling: Production Conditions Determine Effects on Microbial Communication 

      Masiello, Caroline A.; Chen, Ye; Gao, Xiaodong; Liu, Shirley; Cheng, Hsiao-Ying; Bennett, Matthew R.; Rudgers, Jennifer A.; Wagner, Daniel S.; Zygourakis, Kyriacos; Silberg, Jonathan J. (2013)
      Charcoal has a long soil residence time, which has resulted in its production and use as a carbon sequestration technique (biochar). A range of biological effects can be triggered by soil biochar that can positively and ...
    • 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 ...
    • Bottlebrush Copolymer Additives for Immiscible Polymer Blends 

      Mah, Adeline Huizhen; Afzali, Pantea; Qi, Luqing; Pesek, Stacy; Verduzco, Rafael; Stein, Gila E. (2018)
      Thin films of immiscible polymer blends will undergo phase separation into large domains, but this behavior can be suppressed with additives that accumulate and adhere at the polymer/polymer interface. Herein, we describe ...
    • 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 ...
    • Carbon nanotube woven textile photodetector 

      Zubair, Ahmed; Wang, Xuan; Mirri, Francesca; Tsentalovich, Dmitri E.; Fujimura, Naoki; Suzuki, Daichi; Soundarapandian, Karuppasamy P.; Kawano, Yukio; Pasquali, Matteo; Kono, Junichiro (2018)
      The increasing interest in mobile and wearable technology demands the enhancement of functionality of clothing through incorporation of sophisticated architectures of multifunctional materials. Flexible electronic and ...
    • Characterizing adsorption of associating surfactants on carbonates surfaces 

      Jian, Guoqing; Puerto, Maura; Wehowsky, Anna; Miller, Clarence; Hirasaki, George J.; Biswal, Sibani L. (2018)
      HYPOTHESIS: The adsorption of anionic surfactants onto positively charged carbonate minerals is typically high due to electrostatic interactions. By blending anionic surfactants with cationic or zwitterionic surfactants, ...
    • Characterizing Asphaltene Deposition in the Presence of Chemical Dispersants in Porous Media Micromodels 

      Lin, Yu-Jiun; He, Peng; Tavakkoli, Mohammad; Mathew, Nevin Thunduvila; Fatt, Yap Yit; Chai, John C.; Goharzadeh, Afshin; Vargas, Francisco M.; Biswal, Sibani Lisa (2017)
      Asphaltenes are components in crude oil known to deposit and interrupt flows in critical regions during oil production, such as the wellbore and transportation pipelines. Chemical dispersants are commonly used to disperse ...
    • Characterizing the Influence of Organic Carboxylic Acids and Inorganic Silica Impurities on the Surface Charge of Natural Carbonates Using an Extended Surface Complexation Model 

      Song, Jin; Rezaee, Sara; Zhang, Leilei; Zhang, Zhuqing; Puerto, Maura; Wani, Omar B.; Vargas, Francisco; Alhassan, Saeed; Biswal, Sibani L.; Hirasaki, George J. (2019)
      In this work, we developed an extended surface complexation model (SCM) that successfully fits all tested ζ-potential data (63 in total) of synthetic calcite and three natural carbonates (Iceland spar, Indiana limestone, ...
    • Charged iodide in chains behind the highly efficient iodine doping in carbon nanotubes 

      Zubair, Ahmed; Tristant, Damien; Nie, Chunyang; Tsentalovich, Dmitri E.; Headrick, Robert J.; Pasquali, Matteo; Kono, Junichiro; Meunier, Vincent; Flahaut, Emmanuel; Monthioux, Marc; Gerber, Iann C.; Puech, Pascal (2017)
      The origin of highly efficient iodine doping of carbon nanotubes is not well understood. Relying on first-principles calculations, we found that iodine molecules (I2) in contact with a carbon nanotube interact to form ...
    • Cofactor engineering for advancing chemical biotechnology 

      Wang, Yipeng; San, Ka-Yiu; Bennett, George N. (2013)
      Cofactors provide redox carriers for biosynthetic reactions, catabolic reactions and act as important agents in transfer of energy for the cell. Recent advances in manipulating cofactors include culture conditions or ...
    • Combined interfacial shear rheology and microstructure visualization of asphaltenes at air-water and oil-water interfaces 

      Lin, Yu-Jiun; Barman, Sourav; He, Peng; Zhang, Zhuqing; Christopher, Gordon F.; Biswal, Sibani Lisa (2018)
      Asphaltenes are surface-active polyaromatic molecules in crude oil that are known to deposit in pipelines or stabilize water droplets by flocculating at interfaces resulting highly viscous emulsions, leading to significant ...
    • Competing mechanisms and scaling laws for carbon nanotube scission by ultrasonication 

      Pagani, Guido; Green, Micah J.; Poulin, Philippe; Pasquali, Matteo (2012)
      Dispersion of carbon nanotubes (CNTs) into liquids typically requires ultrasonication to exfoliate individuals CNTs from bundles. Experiments show that CNT length drops with sonication time (or energy) as a power law t?m. ...
    • Density functional study of dendrimer molecules in solvents of varying quality 

      Zhang, Yuchong; Parambathu, Arjun Valiya; Chapman, Walter G. (2018)
      Modified inhomogeneous statistical associating fluid theory (iSAFT) density functional theory is extended to dendrimer molecules in solvents of varying quality. The detailed structures of isolated dendrimers in implicit ...