Polystyrene-grafted silica nanoparticles: Investigating the molecular weight dependence of glass transition and fragility behavior S Askar, L Li, JM Torkelson Macromolecules 50 (4), 1589-1598, 2017 | 58 | 2017 |
Residual stress relaxation and stiffness in spin-coated polymer films: Characterization by ellipsometry and fluorescence S Askar, CM Evans, JM Torkelson Polymer 76, 113-122, 2015 | 50 | 2015 |
Stiffness of thin, supported polystyrene films: Free-surface, substrate, and confinement effects characterized via self-referencing fluorescence S Askar, JM Torkelson Polymer 99, 417-426, 2016 | 43 | 2016 |
Stiffness gradients in glassy polymer model nanocomposites: comparisons of quantitative characterization by fluorescence spectroscopy and atomic force microscopy M Zhang, S Askar, JM Torkelson, LC Brinson Macromolecules 50 (14), 5447-5458, 2017 | 38 | 2017 |
Molecular weight dependence of the intrinsic size effect on Tg in AAO template-supported polymer nanorods: A DSC study S Askar, T Wei, AW Tan, JM Torkelson The Journal of Chemical Physics 146 (20), 2017 | 27 | 2017 |
Delivery of biologic therapeutics M Trollsas, J Stankus, J Su, S Hossainy, JT Smith, S Askar US Patent 9,452,138, 2016 | 9 | 2016 |
Delivery of biologic therapeutics M Trollsas, J Stankus, J Su, S Hossainy, JT Smith, S Askar US Patent App. 15/242,403, 2017 | 3 | 2017 |
Rings, stars, and dense brushes grown from flat substrates and spherical nanoparticles: How polymer topology perturbs glass transition temperature and fragility in bulk and … J Torkelson, L Zhang, T Lan, S Askar, L Li, R Elupula, S Grayson ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY 255, 2018 | | 2018 |
Stiffness Gradients in Supported Thin Polymer Films and in Polymer Model Nanocomposites: Evaluation via a Novel Fluorescence Method with Comparison to AFM Results J Torkelson, S Askar, M Zhang, LC Brinson APS March Meeting Abstracts 2018, B55. 007, 2018 | | 2018 |
Molecular Weight Dependence of the Intrinsic Size Effect on in AAO Template-Supported Polymer Nanorods: A DSC Study T Wei, S Askar, A Tan, J Torkelson Bulletin of the American Physical Society 62, 2017 | | 2017 |
Molecular Weight Dependence of the Intrinsic Size Effect on Tg in AAO Template-Supported Polymer Nanorods: A DSC Study T Wei, S Askar, A Tan, J Torkelson APS March Meeting Abstracts 2017, M1. 042, 2017 | | 2017 |
Effects of Confinement and Interfaces on Stress Relaxation and Stiffness in Polymer Films and Nanocomposites Characterized by Novel Fluorescence Techniques S Askar Northwestern University, 2017 | | 2017 |
Effects of Interfaces and Interactions on Stiffness-Confinement Behavior in Polymer Films: Characterization via Fluorescence and Nanoindentation S Askar, M Zhang, L Brinson, J Torkelson APS March Meeting Abstracts 2016, K38. 009, 2016 | | 2016 |
Therapeutic compositions comprising antibodies M Trollsas, J Stankus, J Su, S Hossainy, JT SMITH, S Askar | | 2015 |
Residual Stress Relaxation and Stiffness-Confinement Effects in Polymer Films: Characterization by Non-Contact Ellipsometry and Fluorescence Techniques S Askar, J Torkelson APS March Meeting Abstracts 2015, W43. 013, 2015 | | 2015 |
Direct measurement of the role of confinement and chemistry on local physical and mechanical properties of polymers M Zhang, S Askar | | 2014 |