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Polymeric Analogs to Biolubrication Systems

Publications

The hierarchical bulk molecular structure of poly(acrylamide) hydrogels: beyond the fishing net

Author(s): Yvonne Gombert, Fabrice Roncoroni, Antoni Sánchez-Ferrer, Nicholas D. Spencer
Published in: Soft Matter, Issue 16, 2020, Page(s) 9789–9798, ISSN 1744-683X
DOI: 10.1039/d0sm01536a

Synthesis of acrylamide-based block-copolymer brushes under flow: monitoring real-time growth and surface restructuring upon drying

Author(s): Joydeb Mandal, Andrea Arcifa, Nicholas D. Spencer
Published in: Polymer Chemistry, Issue 11/18, 2020, Page(s) 3209-3216, ISSN 1759-9954
DOI: 10.1039/d0py00219d

Oxygen Tolerant and Cytocompatible Iron(0)-Mediated ATRP Enables the Controlled Growth of Polymer Brushes from Mammalian Cell Cultures

Author(s): Amine Layadi, Benjamin Kessel, Wenqing Yan, Matteo Romio, Nicholas D. Spencer, Marcy Zenobi-Wong, Krzysztof Matyjaszewski, Edmondo M. Benetti
Published in: Journal of the American Chemical Society, Issue 142/6, 2020, Page(s) 3158-3164, ISSN 0002-7863
DOI: 10.1021/jacs.9b12974

Importance of Hydration and Surface Structure for Friction of Acrylamide Hydrogels

Author(s): Rok Simič, Melis Yetkin, Kaihuan Zhang, Nicholas D. Spencer
Published in: Tribology Letters, Issue 68/2, 2020, ISSN 1023-8883
DOI: 10.1007/s11249-020-01304-x

Surface-Initiated Photoinduced ATRP: Mechanism, Oxygen Tolerance, and Temporal Control during the Synthesis of Polymer Brushes

Author(s): Wenqing Yan, Sajjad Dadashi-Silab, Krzysztof Matyjaszewski, Nicholas D. Spencer, Edmondo M. Benetti
Published in: Macromolecules, Issue 53/8, 2020, Page(s) 2801-2810, ISSN 0024-9297
DOI: 10.1021/acs.macromol.0c00333

A two-step method for rate-dependent nano-indentation of hydrogels

Author(s): Rok Simič, Christian H. Mathis, Nicholas D. Spencer
Published in: Polymer, Issue 137, 2018, Page(s) 276-282, ISSN 0032-3861
DOI: 10.1016/j.polymer.2018.01.017

Modeling soft, permeable matter with the proper generalized decomposition (PGD) approach, and verification by means of nanoindentation

Author(s): Chady Ghnatios, Christian H. Mathis, Rok Simic, Nicholas D. Spencer, Francisco Chinesta
Published in: Soft Matter, Issue 13/25, 2017, Page(s) 4482-4493, ISSN 1744-683X
DOI: 10.1039/c7sm00246g

In situ monitoring of SI-ATRP throughout multiple reinitiations under flow by means of a quartz crystal microbalance

Author(s): Mandal, Joydeb; id_orcid0000-0001-8905-8628; Varunprasaath, R.S.; Yan, Wenqing; Divandari, Mohammad; Spencer, Nicholas D.; Dubner, Matthias
Published in: RSC Advances, 8 (36), Issue 1, 2018, Page(s) 20048-20055, ISSN 2046-2069
DOI: 10.3929/ethz-b-000271467

Modulation of Surface-Initiated ATRP by Confinement: Mechanism and Applications

Author(s): Edmondo M. Benetti, Chengjun Kang, Joydeb Mandal, Mohammad Divandari, Nicholas D. Spencer
Published in: Macromolecules, Issue 50/15, 2017, Page(s) 5711-5718, ISSN 0024-9297
DOI: 10.1021/acs.macromol.7b00919

ATR-IR Investigation of Solvent Interactions with Surface-Bound Polymers

Author(s): Isa, Lucio; Spencer, Nicholas D.; Mathis, Christian H.; Benetti, Edmondo M.; Simic, Rok; Divandari, Mohammad; Naik, Vikrant V.
Published in: Langmuir, Issue 32, 2016, Page(s) 7588-7595, ISSN 0743-7463
DOI: 10.1021/acs.langmuir.6b02086

Using Polymers to Impart Lubricity and Biopassivity to Surfaces: Are These Properties Linked?

Author(s): Benetti, Edmondo M.; Spencer, Nicholas D.
Published in: Helvetica Chimica Acta, 102 (5), Issue 1, 2019, ISSN 1522-2675
DOI: 10.3929/ethz-b-000344974

Creating an Interface: Rendering a Double-Network Hydrogel Lubricious via Spontaneous Delamination

Author(s): Kaihuan Zhang, Rok Simic, Wenqing Yan, Nicholas D. Spencer
Published in: ACS Applied Materials & Interfaces, Issue 11/28, 2019, Page(s) 25427-25435, ISSN 1944-8244
DOI: 10.1021/acsami.9b07387

Structuring Hydrogel Surfaces for Tribology

Author(s): Gombert, Yvonne; Simič, Rok; Roncoroni, Fabrice; Dübner, Matthias; id_orcid0000-0001-5167-3553; Geue, Thomas; Spencer, Nicholas D.
Published in: Advanced Materials Interfaces, 6 (22), Issue 1, 2019, ISSN 2196-7350
DOI: 10.3929/ethz-b-000381782

Impact of Dispersity and Hydrogen Bonding on the Lubricity of Poly(acrylamide) Brushes

Author(s): Mandal, Joydeb; id_orcid0000-0001-8905-8628; Simič, Rok; Spencer, Nicholas D.
Published in: Advanced Materials Interfaces, 6 (14), Issue 1, 2019, ISSN 2196-7350
DOI: 10.3929/ethz-b-000356717

Linking Friction and Surface Properties of Hydrogels Molded Against Materials of Different Surface Energies

Author(s): Meier, Yuki A.; Zhang, Kaihuan; id_orcid0000-0002-7353-4180; Spencer, Nicholas D.; Simič, Rok
Published in: Langmuir, 35 (48), Issue 1, 2019, ISSN 0743-7463
DOI: 10.3929/ethz-b-000386742

Combined Experimental and Simulation Studies of Cross-Linked Polymer Brushes under Shear

Author(s): Manjesh K. Singh, Chengjun Kang, Patrick Ilg, Rowena Crockett, Martin Kröger, Nicholas D. Spencer
Published in: Macromolecules, Issue 51/24, 2018, Page(s) 10174-10183, ISSN 0024-9297
DOI: 10.1021/acs.macromol.8b01363

Tuning and in situ monitoring of surface-initiated, atom-transfer radical polymerization of acrylamide derivatives in water-based solvents

Author(s): Mandal, Joydeb; id_orcid0000-0001-8905-8628; Simič, Rok; Spencer, Nicholas D.
Published in: Polymer Chemistry, 10 (29), Issue 1, 2019, ISSN 1759-9962
DOI: 10.3929/ethz-b-000356400

Translating Surface-Initiated Atom Transfer Radical Polymerization into Technology: The Mechanism of Cu 0 -Mediated SI-ATRP under Environmental Conditions

Author(s): Wenqing Yan, Marco Fantin, Nicholas D. Spencer, Krzysztof Matyjaszewski, Edmondo M. Benetti
Published in: ACS Macro Letters, Issue 8/7, 2019, Page(s) 865-870, ISSN 2161-1653
DOI: 10.1021/acsmacrolett.9b00388

Growing Polymer Brushes from a Variety of Substrates under Ambient Conditions by Cu 0 -Mediated Surface-Initiated ATRP

Author(s): Wenqing Yan, Marco Fantin, Shivaprakash Ramakrishna, Nicholas D. Spencer, Krzysztof Matyjaszewski, Edmondo M. Benetti
Published in: ACS Applied Materials & Interfaces, Issue 11/30, 2019, Page(s) 27470-27477, ISSN 1944-8244
DOI: 10.1021/acsami.9b09529

Indenting polymer brushes of varying grafting density in a viscous fluid: A gradient approach to understanding fluid confinement

Author(s): Christian H. Mathis, Rok Simič, Chengjun Kang, Shivaprakash N. Ramakrishna, Lucio Isa, Nicholas D. Spencer
Published in: Polymer, Issue 169, 2019, Page(s) 115-123, ISSN 0032-3861
DOI: 10.1016/j.polymer.2019.02.040

Versatile Surface Modification of Hydrogels by Surface-Initiated, Cu 0 -Mediated Controlled Radical Polymerization

Author(s): Kaihuan Zhang, Wenqing Yan, Rok Simic, Edmondo M. Benetti, Nicholas D. Spencer
Published in: ACS Applied Materials & Interfaces, Issue 12/5, 2020, Page(s) 6761-6767, ISSN 1944-8244
DOI: 10.1021/acsami.9b21399

Brushes, Graft Copolymers, or Bottlebrushes? The Effect of Polymer Architecture on the Nanotribological Properties of Grafted-from Assemblies

Author(s): Wenqing Yan, Shivaprakash N. Ramakrishna, Nicholas D. Spencer, Edmondo M. Benetti
Published in: Langmuir, Issue 35/35, 2019, Page(s) 11255-11264, ISSN 0743-7463
DOI: 10.1021/acs.langmuir.9b01265