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Displaying records 211 to 220 of 222 records.
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211. Thermodynamic Regulation of Actin Polymerization
Published: 6/1/2001
Authors: P S Niranjan, J G Forbes, S C Greer, J Dudowicz, Karl Freed, Jack F Douglas
Abstract: A Flory-Huggins-type lattice model of actin polymerization under equilibrium conditions is employed to analyze new spectroscopic measurements for the extent of actin polymerization {diameter} as a function of temperature T, salt concentration [KC1], ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851976

212. Transient Target Patterns in Phase Separating Filled Polymer Blends
Published: 9/1/1999
Authors: Alamgir Karim, Jack F Douglas, G Nisato, D W. Liu, Eric J. Amis
Abstract: Recent simulations have indicated that the presence of filler particles in a phase separating blend can induce the development of composition waves having the symmetry of the filler particles. We investigate these predictions through atomic force mi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851579

213. Tuning Polymer Melt Fragility With Antiplasticizer Additives
Published: 6/19/2007
Authors: Robert A Riggleman, Jack F Douglas, J J de Pablo
Abstract: A polymer-diluent model exhibiting antiplasticization has beendeveloped and characterized by molecular dynamics simulations. Antiplasticizer molecules are shown to decrease the glass transition temperature Tg, but to increase the elastic moduli o ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=852717

214. Tuning the Fragility of Polymer Melts With Antiplasticizer Additives
Published: Date unknown
Authors: Robert A Riggleman, K Yoshimoto, Jack F Douglas, J J de Pablo
Abstract: Using molecular dynamics simulations, we have developed and analyzed a model that exhibits antiplasticization behavior by decreasing the glass transition temperature, increasing the density of the system below the glass transition temperature of the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=852571

215. Unusual Expansion and Contraction in Ultrathin Glassy Polycarbonate Films
Published: 4/1/2004
Authors: Christopher L Soles, Jack F Douglas, Ronald Leland Jones, Wen-Li Wu
Abstract: The thermal expansion behavior and glass transitions of poly(styrene) (PS) and poly(methyl methacrylate) (PMMA) are extensively studied in the thin film geometry. Both PS and PMMA are similar in that they possess very low entanglement densities. In ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851774

216. Using Block Copolymer Self-Assembly to Imprint the Crystallization of Polymer Dendrites
Published: 8/10/2011
Authors: Sangcheol Kim, Alamgir Karim, Jack F Douglas, Christopher L Soles, R M Briber
Abstract: We utilize the self-assembly of cylinder-forming block copolymer (BCP) films to create templates for dendritic polymer crystallization patterns. This templating was achieved by simply spin-casting thin films from a solution containing both the BC ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903962

217. Using Pattern Homogenization of Binary Masks to Fabricate Microfluidic Structures With 3D Topography
Published: 5/2/2007
Authors: Francisco Javier Atencia, Susan E. Barnes, Jack F Douglas, John Meacham, Laurie E Locascio
Abstract: Because fluids at the microscale form three dimensional interfaces and are subject to three dimensional forces, the ability to create microstructures with modulated topography over large areas could greatly improve control over microfluidic phenomena ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=830553

218. Water Immersion of Model Photoresists: Interfacial Influences on Water Concentration and Surface Morphology
Published: 2/1/2005
Authors: B D. Vogt, D L Goldfarb, M Angelopoulos, Christopher L Soles, C M Wang, Vivek M Prabhu, P M McGuiggan, Jack F Douglas, Eric K Lin, Wen-Li Wu, Sushil K. Satija
Abstract: Immersion lithography has emerged as an alternative to the 157 nm node and as such understanding of the interactions between the photoresist and immersion fluid (water) has become a pressing issue. The water concentration within the model photoresis ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=852338

219. Wetting-Dewetting Transition Line in Thin Polystyrene Films
Published: Date unknown
Authors: K M. Ashley, D T Raghavan, Jack F Douglas, Alamgir Karim
Abstract: Thin polymeric films are increasingly being utilized in diverse technological applications and it is crucial to have a reliable method to characterize the stability of these films against dewetting. The parameter space that influences the dewetting ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=852496

220. Wetting-Dewetting Transition Line in Thin Polystyrene Films
Published: 9/9/2005
Authors: H Raghavan, K M. Ashley, A Seghal, Jack F Douglas, Alamgir Karim
Abstract: We review recent advances in the application of combinatorial methods to polymer thin film characterization. Combinatorial methods allow the rapid exploration of multidimensional parameter spaces that naturally arise in the description of polymer f ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=852634



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