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You searched on: Topic Area: Polymers

Displaying records 41 to 50 of 555 records.
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41. INVESTIGATING THE MECHANISM OF ENZYME-CATALYZED RING-OPENING COPOLYMERIZATIONS
Topic: Polymers
Published: 8/19/2012
Authors: Matthew T. (Matthew) Hunley, Fahriye Nese Sari, Kathryn L Beers
Abstract: As the research interest in degradable polymers has risen, an ever increasing number of manuscripts report the synthesis of copolymers through ring-opening copolymerization techniques. However, the mechanism of copolymerization remains unexplored. ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911008

42. Synthesis and characterization of model crosslinked polyamide films for water purification
Topic: Polymers
Published: 6/24/2012
Authors: Peter M. Johnson, Edwin P Chan, Jun Y. Chung, Junghyun Lee, Christopher M Stafford
Abstract: Reverse osmosis (RO) and nanofiltration (NF) membranes are comprised of a dense active layer supported by a porous support. Commercial active layer are highly crosslinked polyamides that are formed through interfacial polymerization directly on the s ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911116

43. Pronounced micro-segregation in a sorbitol water mixture observed through variable temperature neutron scattering
Topic: Polymers
Published: 5/16/2012
Authors: Shin G. Chou, Sheila Khodadadi, Joseph E Curtis, Susan Krueger, Evgenyi Shalaev, Alan Soper, Andy Fitch, T Narayanan, Michael Szutucki, Marcus T Cicerone
Abstract: In this study, we use small and wide angle X-ray and neutron scattering measurements, to study the structure of concentrated sorbitol solutions and glasses at different temperatures. The analysis of the data suggests the water forms clusters with a ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909101

44. Optimization of Imaging Polymer Based Scaffolds Using X-Ray Microcomputed Tomography
Topic: Polymers
Published: 5/15/2012
Authors: David E, Morris, Melissa L Mather, Carl George Simon Jr., John A Crowe
Abstract: The performance of polymer based scaffolds used in regenerative medicine is linked to their structural properties and as such strategies for structural characterization of scaffolds have been developed. X-ray microscopic computed tomography (X-ray ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906393

45. Neutron reflectivity characterization of the photoacid reaction-diffusion latent and developed images of molecular resists for extreme-ultraviolet lithography
Topic: Polymers
Published: 5/11/2012
Authors: Vivek M Prabhu, Shuhui Kang, Wen-Li Wu, Sushil K. Satija, Christopher K. Ober, Jing Sha, Peter V. Bonnesen
Abstract: Lithographic feature size requirements have approached a few radius of gyration of chemically-amplified photoresist polymers used in thin film patterning. Further, the feature dimensions are commensurate with the photoacid diffusion length that defin ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908575

46. Inelastic Neutron Scattering on Polymer Electrolytes for Lithium-Ion Batteries
Topic: Polymers
Published: 5/7/2012
Authors: Huagen H. Peng, Madhusudan Tyagi, Kirt Anthony Page, Christopher L Soles
Abstract: The relationship between ion transport and polymer dynamics is central to the pursuit of solid polymer electrolytes for lithium batteries. This understanding is critical to achieve solid polymer electrolyte systems of sufficiently high ion conductiv ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910506

47. Gas-Foamed Scaffold Gradients for Combinatorial Screening in 3D
Topic: Polymers
Published: 5/1/2012
Authors: Carl George Simon Jr., Kaushik Chatterjee, Alison McGibbon Kraigsley, Joachim Kohn, Durgadas Bolikal
Abstract: Current methods for screening cell-material interactions typically utilize two-dimensional (2D) culture format where cells are cultured on flat surfaces. However, there is a need for combinatorial and high-throughput screening methods to systematica ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910404

48. Osteoblast Response to Serum Protein Adsorption in 3D Polymer Scaffolds
Topic: Polymers
Published: 5/1/2012
Authors: Carl George Simon Jr., Girish Kumar, Kaushik Chatterjee, Stevephen Hung
Abstract: Protein adsorption is known to direct biological response to biomaterials and is important in determining cellular response in tissue scaffolds. In this study we investigated the effect of adsorbed serum proteins on cell attachment and proliferation ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909572

49. Nano-Apatitic Composite Scaffolds for Stem Cell Delivery and Bone Tissue Engineering
Topic: Polymers
Published: 4/15/2012
Authors: Hockin H. K. Xu, Carl George Simon Jr.
Abstract: The need for bone defect repair and regeneration arises from trauma, disease, congenital deformity, and tumor resection. Bone fracture occurs to seven million people each year in the United States, and musculoskeletal conditions cost $215 billion ann ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904167

50. Photoiniated wrinkles with controlled morphology from a liquid coating on a rigid substrate: A facile route to tunable, periodic structures
Topic: Polymers
Published: 3/27/2012
Authors: Jessica M. Torres, Christopher M Stafford, Vogt D Bryan
Abstract: Periodic wrinkled surfaces have generated significant interest over the past decade as these structures can be easily fabricated over large areas with minimal fabrication cost, but these structures have been generally been limited to thin films on so ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910420



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