Rowan Group: Recent Publications All

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  1. Preparation of cellulose nanofibers from Miscanthus x. Giganteus by ammonium persulfate oxidation,” Han Yang, Yefei Zhang, Ryo Kato, and Stuart J. Rowan. Carbohydrate Polymers, 212, 30-39, 2019

    Overview

    • Cellulose nanofibers (MxG-CNFA-CO2Hs) are isolated from Miscanthus x. Giganteus.
    • MxG-CNFA-CO2Hs are isolated via a new two-step chemical oxidation.
    • MxG-CNFA-CO2Hs have a high aspect ratio of 230 and length of ca. 880 ± 300 nm.
    • MxG-CNFA-CO2Hs exhibit better thermal stability than MxG cellulose nanocrystals.
    • MxG-CNFA-CO2Hs exhibit better mechanical reinforcement than MxG cellulose nanocrystals.
  2. Effect of processing conditions on the mechanical properties of bio-inspired mechanical gradient nanocomposites,” Yefei Zhang, Alexandra N. Edelbrock, and Stuart J. Rowan. European Polymer Journal, 115, 107-114, 2019

    Overview

    • Squid beak inspired composite materials have been prepared with tunable wet modulus.
    • Photo-induced crosslinking of the nanofiller allows control of the wet modulus .
    • Processing conditions and film thickness impact the crosslinked modulus .
    • Mechanical contrast (E'stiff/E'soft) > 7 achieved by optimizing conditions.
  3. “Polymer nanocomposites with reversible heat stiffening properties,” Shaghayegh Khani, Elvis Cudjoe, Stuart J. Rowan, and Joao Maia. Bulletin of the American Physical Society , 64, 2, 2019

  4. “Ion-Conducting Polymers as Interfacial Layers in Solid Electrolytes,” Arvin Sookezian, Priyadarshini Mirmira, Shrayesh Patel, and Stuart J. Rowan. Bulletin of the American Physical Society , 64, 2, 2019

  5. “ACS Macro Letters, Moving Forward!,” Stuart J. Rowan. ACS Macro Letters, 8, 77-78, 2019

  6. Strong, Rebondable, Dynamic Cross-Linked Cellulose Nanocrystal Polymer Nanocomposite Adhesives,” Elvis Cudjoe, Katie M. Herbert, and Stuart J. Rowan. ACS Applied Materials and Interfaces, 2018

    Overview

    Nanocomposite adhesive films have been prepared via the oxidation of a thiol-endcapped semicrystalline oligomer with varying amounts of thiol-functionalized CNCs. Stronger substrate-bonding was achieved at temperatures where the disulfide bonds are dynamic. The 30 wt % nanocomposite adhesive was compared to some common commercially available adhesives and showed significantly stronger shear strengths when bonded to metal.

  7. Topological Effects in Isolated Poly[n]catenanes: Molecular Dynamics Simulations and Rouse Mode Analysis,” P.M. Rauscher, S.J. Rowan, JJ de Pablo. ACS Macro Letters, 7, 938-943, 2018

    Overview

    Molecular dynamics simulations of isolated poly[n]catenanes have been conducted, along with a Rouse mode analysis. At large length scales poly[n]catenanes do not relax much slower than isolated linear polymers and are less strongly impacted by increased segmental stiffness.

  8. “A Versatile Colorimetric Probe based on Thiosemicarbazide‚ÄďAmine Proton Transfer,” Celine Calvino, Marek Piechowicz, Stuart J. Rowan, Stephen Schrettl, and Christoph Weder. Chemistry: A European Journal, 24, 7369-7373, 2018

  9. Open-to-Air RAFT Polymerization in Complex Solvents: From Whisky to Fermentation Broth,” Deborah K. Schneiderman, Jeffrey M. Ting , Anatolii A. Purchel, Ron Miranda, Jr., Matthew V. Tirrell, Theresa M. Reineke, and Stuart J. Rowan. ACS Macro Letters, 7, 406-411, 2018

    Overview

    in situ enzyme degassing to facilitate open-to-air RAFT polymerization of hydroxyethyl acrylate in beer, wine, liquor, and fermentation broth.

  10. “Thanks Tim, from ACS Macro Letters! ,” Stuart J. Rowan. ACS Macro Lett., 7, 105-106, 2018

  11. “Poly[n]catenanes: Synthesis of molecular interlocked chains,” Qiong Wu, Phillip M. Rauscher, Xiaolong Lang, Rudy J. Wojtecki, Juan J. de Pablo, Michael J. A. Hore, Stuart J. Rowan. Science, 30 Nov, 2017

  12. “50th Anniversary Perspective: Solid-State Multistimuli, Multiresponsive Polymeric Materials,” Herbert, K.M.; Schrettl, S.; Rowan, S.J.; Weder, C. . Macromolecules, 50, 8845-8870, 2017

  13. “Nano-emulsions and nano-latexes stabilized by hydrophobically functionalized cellulose nanocrystals,” Zhang, Y.; Karimkhani, V.; Makowski, B.; Samaranayake, G.; Rowan S.J.. Macromolecules, 50, 6032-6042, 2017

  14. “Biomimetic Reversible Heat-Stiffening Polymer Nanocomposites,” Cudjoe, E.; Khani, S.; Way, A.E.; Hore, M.J.A.; Maia, J.; Rowan, S.J.. ACS Central Sci., 3, 886-694, 2017

  15. “The effect of sterics and degree of crosslinking on the mechanical properties of dynamic poly(alkylurea-urethane) networks,” Zhang, L.; Rowan, S.J.. Macromolecules, 50, 5051-5060, 2017

  16. “Synthesis and Fabrication of Nanocomposite Fibers of Collagen-Cellulose Nanocrystals by Co-electrocompaction,” Cudjoe, E.; Younesi, M.; Cudjoe, E.; Akkus, O.A.; Rowan, S.J.. Biomacromolecules, 18, 1259-1267, 2017

  17. “Five Years of ACS Macro Letters ,” Lodge T.P.; Rowan S.J.. Five Years of ACS Macro Letters, 6, 66-67, 2017

  18. “Miscanthus Giganteus: A commercially viable sustainable source of cellulose nanocrystals,” Cudjoe, E.; Hunsen, M.; Xue, Z.; Way, A.E.; Barrios, E.; Olson, R.A.; Hore, M.J.A.; Rowan, S.J.. Carbohydrate Polymers, 155, 230-241, 2017

  19. “Trapping Dynamic Disulfide Bonds in the Hard Segments of Thermoplastic Polyurethane Elastomers,” Zhang, L.; Chen, L.; Rowan, S.J.. Macromol. Chem. Phys., 218, 1600320 (1-10), 2017

  20. “Stimuli-responsive Reversible Two-Level Adhesion from a Structurally Dynamic Shape Memory Polymer,” Michal, B.T.; Spencer, E.J.; Rowan, S.J.. ACS Appl. Mater. Interfaces, 8, 11041-11049, 2016

  21. “Thermo- Responsive Shape Memory Aerogels from Thiol-ene Networks,” Michal, B.T.; Brenn W.A.; Baochau, N.; McCorkle, L.; Meador, M.A.; Rowan S.J.. Chem. Mater., 28, 2341-2347, 2016

  22. “Polyimide Cellulose Nanocrystal Composite Aerogels,” Baochau, N.; Cudjoe, E.; Douglas A.; Scheiman, D.; McCorkle, L.; Meador, M.A.; Rowan, S.J.. Macromolecules, 49, 1692-1703, 2016

  23. “Influence of resveratrol release on the tissue response to mechanically adaptive cortical implants,” Nguyen, J.K.; Jorfi, M.; Buchanan, K.L.; Park, D.J.; Foster, E.J.; Tyler, D.T.; Rowan, S.J.; Weder, C.; Capadona, J.R.. Acta Biomater., 29, 81, 2016

  24. “Probing the Structure, Composition, and Spatial Distribution of Ligands on Gold Nanorods,” Michael J. A. Hore, Xingchen Ye, Jamie Ford, Yuzhi Gao, Jiayang Fei, Qiong Wu, Stuart J. Rowan, Russell J. Composto, Christopher B. Murray, and Boualem Hammouda. Nano Letters, 15, 5730, 2015

  25. “Metallo-, Thermo-, and Photoresponsive Shape Memory and Actuating Liquid Crystalline Elastomers,” Brian T. Michal, Blayne M. McKenzie, Simcha E. Felder, and Stuart J. Rowan. Macromolecules, 48, 3239, 2015

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