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Displaying records 191 to 200 of 227 records.
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191. Structured Polymeric Templates: Combinatorial Probes for Cellular Response
Published: 1/1/2001
Authors: A Sehgal, Jack F Douglas, Francis W Wang, Carl George Simon Jr., Alamgir Karim, Eric J. Amis
Abstract: Novel high-throughput gradient methods have been developed to generate a range of surface structures by dewetting and phase separation on chemically patterned substrates. The research is motivated by an increasing awareness in the biomedical industry ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851841

192. Studies of polymer-filler interactions in filled systems
Published: 8/1/2001
Authors: Alamgir Karim, Jack F Douglas, K A Barnes, A Nakatani, D W. Liu, Eric J. Amis
Abstract: We observe that the presence of filler partiocles can have a major impact on the properties of filled polymer blend materials. The filler particles, which are found in many commercial polymer blends, modify the phase boundary (interfacial tension, ra ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851903

193. Suppression of Dewetting in Nanoparticle-Filled Polymer Films
Published: 1/1/2000
Authors: K A Barnes, Alamgir Karim, Jack F Douglas, A Nakatani, H Gruell, Eric J. Amis
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=853660

194. Suppression of Phase Separation Pattern Formation in Blend Films With Block Copolymer Compatibilizer
Published: 7/1/2003
Authors: Li Piin Sung, Jack F Douglas, Charles C. Dr. Han, Alamgir Karim
Abstract: We show that the addition of a small concentration of a block copolymer surfactant to a thin phase separating blend film can suppress the pattern formation that occurs in the blend films without block copolymer. This effect is observed even at very ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=852060

195. Suppression of Surface Pattern Formation in Blend Films With Block Copolymer Surfactant
Published: 7/1/2003
Authors: Li Piin Sung, Jack F Douglas, Charles C. Dr. Han, Alamgir Karim
Abstract: We show that the addition of a small concentration of a block copolymer surfactant to a thin phase separating blend film can supppress the pattern formation that occurs in the blend films without block copolymer. This effect is obseved even at very ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851867

196. Swelling of Grafted Polymer Brushes
Published: Date unknown
Authors: Jack F Douglas, M S Kent, Sushil K. Satija, Alamgir Karim
Abstract: The end-grafting of polymer chains to surfaces provides a robust method for modifying surface properties. Such layers are increasingly being employed in applications-modifying the biocompatibility of implants, the wetting, adhesive and frictional pro ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851771

197. Symmetry, Equivalence and Molecular Self-Assembly
Published: 1/1/2006
Authors: K VanWorkum, Jack F Douglas
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=854006

198. Symmetry, Equivalence and Molecular Self-Organization
Published: 3/1/2006
Authors: K Van Workum, Jack F Douglas
Abstract: Abstract: Self-organization is central to the formation of numerous biological structures and the emulation of this process through the creation of synthetic counterparts offers great promise for nanofabrication. Our approach to understanding the pri ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=852484

199. Temperature Effects on Surface Pattern Formation in Thin Block Copolymer Films
Published: Date unknown
Authors: A P Smith, Jack F Douglas, Eric J. Amis, Alamgir Karim
Abstract: Hole formation on the surface of thin films of symmetric diblock copolymers is investigated as a function of time, t, temperature, T, and film thickness, h. The size of the holes approaches a steady state value at long times and their long-time size ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=852214

200. The Critical Role of Solvent Evaporation on the Roughness of Spin-Cast Polymer Films
Published: 1/1/2001
Authors: K E Strawhecker, S K Kumar, Jack F Douglas, Alamgir Karim
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=853796



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