Search Results - "Kornfield, Julia A"

Efficient Synthesis of Narrowly Dispersed Brush Polymers via Living Ring-Opening Metathesis Polymerization of Macromonomers by Xia, Yan, Kornfield, Julia A, Grubbs, Robert H

“…Various macromonomers (MMs) were efficiently synthesized through the copper-catalyzed “click” coupling of a norbornene moiety to the chain end of…”
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Linear Rheological Response of a Series of Densely Branched Brush Polymers by Hu, Miao, Xia, Yan, McKenna, Gregory B, Kornfield, Julia A, Grubbs, Robert H

“…We have examined the linear rheological responses of a series of well-defined, dense, regularly branched brush polymers. These narrow molecular weight…”
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Visible-Light-Initiated Thiol–Acrylate Photopolymerization of Heparin-Based Hydrogels by Fu, Amy, Gwon, Kihak, Kim, Mihye, Tae, Giyoong, Kornfield, Julia A

“…An in situ heparin-based forming hydrogel that cures under visible-light is formulated using eosin Y as a photoinitiator with triethanolamine as an electron…”
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Molecular Basis of the Shish-Kebab Morphology in Polymer Crystallization by Kimata, Shuichi, Sakurai, Takashi, Nozue, Yoshinobu, Kasahara, Tatsuya, Yamaguchi, Noboru, Karino, Takeshi, Shibayama, Mitsuhiro, Kornfield, Julia A

“…In the rich and long-standing literature on the flow-induced formation of oriented precursors to polymer crystallization, it is often asserted that the…”
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Mechanism for Shish Formation under Shear Flow: An Interpretation from an in Situ Morphological Study by Shen, Bo, Liang, Yongri, Kornfield, Julia A, Han, Charles C

“…Isotactic polypropylene has been systematically studied with in situ optical microscopy to obtain a real space view of the morphology evolution of shear…”
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When Ends Meet: Circular DNA Stretches Differently in Elongational Flows by Li, Yanfei, Hsiao, Kai-Wen, Brockman, Christopher A, Yates, Daniel Y, Robertson-Anderson, Rae M, Kornfield, Julia A, San Francisco, Michael J, Schroeder, Charles M, McKenna, Gregory B

“…Chain topology has a profound impact on the flow behavior of single macromolecules. For circular polymers, the absence of free ends results in a unique chain…”
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Megasupramolecules for safer, cleaner fuel by end association of long telechelic polymers by Wei, Ming-Hsin, Li, Boyu, David, R. L. Ameri, Jones, Simon C., Sarohia, Virendra, Schmitigal, Joel A., Kornfield, Julia A.

“…We used statistical mechanics to design polymers that defy conventional wisdom by self-assembling into "megasupramolecules" (≥5000 kg/mol) at low concentration…”
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Tuning the erosion rate of artificial protein hydrogels through control of network topology by Shen, Wei, Zhang, Kechun, Kornfield, Julia A, Tirrell, David A

“…Erosion behaviour governs the use of physical hydrogels in biomedical applications ranging from controlled release to cell encapsulation. Genetically…”
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Rheological properties of the vitreous and the role of hyaluronic acid by Nickerson, Charles S, Park, John, Kornfield, Julia A, Karageozian, Hampar

“…Abstract Coordinated rheological and biochemical measurements provide the linear and nonlinear mechanical properties of the vitreous and demonstrate the…”
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Cyclic Ruthenium-Alkylidene Catalysts for Ring-Expansion Metathesis Polymerization by Boydston, Andrew J, Xia, Yan, Kornfield, Julia A, Gorodetskaya, Irina A, Grubbs, Robert H

“…A series of cyclic Ru-alkylidene catalysts have been prepared and evaluated for their efficiency in ring-expansion metathesis polymerization (REMP). The…”
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Living Material with Temperature‐Dependent Light Absorption by Xiong, Lealia L., Garrett, Michael A., Kornfield, Julia A., Shapiro, Mikhail G.

“…Abstract Engineered living materials (ELMs) exhibit desirable characteristics of the living component, including growth and repair, and responsiveness to…”
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Ring-Expansion Metathesis Polymerization: Catalyst-Dependent Polymerization Profiles by Xia, Yan, Boydston, Andrew J, Yao, Yefeng, Kornfield, Julia A, Gorodetskaya, Irina A, Spiess, Hans W, Grubbs, Robert H

“…Ring-expansion metathesis polymerization (REMP) mediated by recently developed cyclic Ru catalysts has been studied in detail with a focus on the polymer…”
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Interaction of Poly L-Lactide and Tungsten Disulfide Nanotubes Studied by In Situ X-ray Scattering during Expansion of PLLA/WS2NT Nanocomposite Tubes by Rocher, Lison, Ylitalo, Andrew S., Di Luccio, Tiziana, Miscioscia, Riccardo, De Filippo, Giovanni, Pandolfi, Giuseppe, Villani, Fulvia, Zak, Alla, Menary, Gary H., Lennon, Alex B., Kornfield, Julia A.

“…In situ synchrotron X-ray scattering was used to reveal the transient microstructure of poly(L-lactide) (PLLA)/tungsten disulfide inorganic nanotubes (WS2NTs)…”
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Tube Expansion Deformation Enables In Situ Synchrotron X-ray Scattering Measurements during Extensional Flow-Induced Crystallization of Poly l-Lactide Near the Glass Transition by Ramachandran, Karthik, Miscioscia, Riccardo, Filippo, Giovanni De, Pandolfi, Giuseppe, Di Luccio, Tiziana, Kornfield, Julia A

“…Coronary Heart Disease (CHD) is one of the leading causes of death worldwide, claiming over seven million lives each year. Permanent metal stents, the current…”
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Shear-Mediated Crystallization of Isotactic Polypropylene:  The Role of Long Chain−Long Chain Overlap by Seki, Motohiro, Thurman, Derek W, Oberhauser, James P, Kornfield, Julia A

“…The role of long chains in shear-mediated crystallization was studied by in situ rheo-optical measurements and ex situ microscopic observations. To elucidate…”
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linear rheological responses of wedge‐type polymers by Hu, Miao, Xia, Yan, Daeffler, Christopher S, Wang, Jinhua, McKenna, Gregory B, Kornfield, Julia A, Grubbs, Robert H

“…The linear rheological responses of a series of specially designed wedge‐type polymers synthesized by the polymerization of large molecular weight monomers…”
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Shear-Enhanced Crystallization in Isotactic Polypropylene. 1. Correspondence between in Situ Rheo-Optics and ex Situ Structure Determination by Kumaraswamy, Guruswamy, Issaian, Ani M, Kornfield, Julia A

“…The effects of “short term shearing” on the subsequent crystallization of a polydisperse Ziegler−Natta isotactic polypropylene are observed using in situ…”
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Shear-Enhanced Crystallization in Isotactic Polypropylene. In-Situ Synchrotron SAXS and WAXD by Kumaraswamy, Guruswamy, Verma, Ravi K, Kornfield, Julia A, Yeh, Fengji, Hsiao, Benjamin S

“…In-situ synchtrotron small-angle X-ray scattering (SAXS) and wide-angle X-ray diffraction (WAXD) are used to follow the isothermal crystallization (lamellar…”
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Recent Advances in Understanding Flow Effects on Polymer Crystallization by Kornfield, Julia A, Kumaraswamy, Guruswamy, Issaian, Ani M

“…Molecular aspects of polymer melt rheology play an extremely strong role in governing the processing−structure−property relations of semicrystalline polymers,…”
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Effect of tungsten disulfide nanotubes on crystallization of polylactide under uniaxial deformation and annealing by Loffredo, Fausta, Tammaro, Loredana, Di Luccio, Tiziana, Borriello, Carmela, Villani, Fulvia, De Vito, Saverio, Ramachandran, Karthik, Kornfield, Julia A.

“…Tungsten disulfide (WS 2 ) nanotubes (NTs) are examined here as a filler for polylactide (PLA) for their ability to accelerate PLA crystallization and for…”
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