Shivaprakash N. Ramakrishna
Shivaprakash N. Ramakrishna
Senior Scientist, ETH Zurich
Verifierad e-postadress på mat.ethz.ch
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Topological polymer chemistry enters surface science: linear versus cyclic polymer brushes
G Morgese, L Trachsel, M Romio, M Divandari, SN Ramakrishna, ...
Angewandte Chemie 128 (50), 15812-15817, 2016
1042016
Controlling adhesion force by means of nanoscale surface roughness
SN Ramakrishna, LY Clasohm, A Rao, ND Spencer
Langmuir 27 (16), 9972-9978, 2011
712011
Roughness-dependent tribology effects on discontinuous shear thickening
CP Hsu, SN Ramakrishna, M Zanini, ND Spencer, L Isa
Proceedings of the National Academy of Sciences 115 (20), 5117-5122, 2018
682018
Next‐generation polymer shells for inorganic nanoparticles are highly compact, ultra‐dense, and long‐lasting cyclic brushes
G Morgese, B Shirmardi Shaghasemi, V Causin, M Zenobi‐Wong, ...
Angewandte Chemie International Edition 56 (16), 4507-4511, 2017
642017
Chemical Design of Non‐Ionic Polymer Brushes as Biointerfaces: Poly (2‐oxazine) s Outperform Both Poly (2‐oxazoline) s and PEG
G Morgese, B Verbraeken, SN Ramakrishna, Y Gombert, E Cavalli, ...
Angewandte Chemie International Edition 57 (36), 11667-11672, 2018
582018
Topology effects on the structural and physicochemical properties of polymer brushes
M Divandari, G Morgese, L Trachsel, M Romio, ES Dehghani, ...
Macromolecules 50 (19), 7760-7769, 2017
462017
Stratified polymer grafts: synthesis and characterization of layered ‘brush’and ‘gel’structures
A Li, SN Ramakrishna, PC Nalam, EM Benetti, ND Spencer
Advanced Materials Interfaces 1 (1), 1300007, 2014
412014
Fabrication and interfacial properties of polymer brush gradients by surface-initiated Cu (0)-mediated controlled radical polymerization
ES Dehghani, Y Du, T Zhang, SN Ramakrishna, ND Spencer, R Jordan, ...
Macromolecules 50 (6), 2436-2446, 2017
382017
Adhesion and friction properties of polymer brushes on rough surfaces: A gradient approach
SN Ramakrishna, RM Espinosa-Marzal, VV Naik, PC Nalam, ND Spencer
Langmuir 29 (49), 15251-15259, 2013
382013
Poly (acrylamide) films at the solvent-induced glass transition: adhesion, tribology, and the influence of crosslinking
A Li, SN Ramakrishna, ES Kooij, RM Espinosa-Marzal, ND Spencer
Soft Matter 8 (35), 9092-9100, 2012
382012
Loops and Cycles at Surfaces: The Unique Properties of Topological Polymer Brushes
EM Benetti, M Divandari, SN Ramakrishna, G Morgese, W Yan, ...
Chemistry–A European Journal 23 (51), 12433-12442, 2017
362017
Layering of ionic liquids on rough surfaces
A Sheehan, LA Jurado, SN Ramakrishna, A Arcifa, A Rossi, ND Spencer, ...
Nanoscale 8 (7), 4094-4106, 2016
362016
Ultrathin, freestanding, stimuli-responsive, porous membranes from polymer hydrogel-brushes
C Kang, SN Ramakrishna, A Nelson, CVM Cremmel, H Vom Stein, ...
Nanoscale 7 (30), 13017-13025, 2015
362015
Exploring lubrication regimes at the nanoscale: Nanotribological characterization of silica and polymer brushes in viscous solvents
PC Nalam, SN Ramakrishna, RM Espinosa-Marzal, ND Spencer
Langmuir 29 (32), 10149-10158, 2013
352013
Crosslinking polymer brushes with ethylene glycol-containing segments: Influence on physicochemical and antifouling properties
ES Dehghani, ND Spencer, SN Ramakrishna, EM Benetti
Langmuir 32 (40), 10317-10327, 2016
342016
Stem‐Cell Clinging by a Thread: AFM Measure of Polymer‐Brush Lateral Deformation
MK Gunnewiek, SN Ramakrishna, A Di Luca, GJ Vancso, L Moroni, ...
Advanced materials interfaces 3 (3), 1500456, 2016
322016
Study of adhesion and friction properties on a nanoparticle gradient surface: transition from JKR to DMT contact mechanics
SN Ramakrishna, PC Nalam, LY Clasohm, ND Spencer
Langmuir 29 (1), 175-182, 2013
322013
Design and characterization of ultrastable, biopassive and lubricious cyclic poly (2-alkyl-2-oxazoline) brushes
W Yan, M Divandari, JG Rosenboom, SN Ramakrishna, L Trachsel, ...
Polymer Chemistry 9 (19), 2580-2589, 2018
312018
Amplified responsiveness of multilayered polymer grafts: synergy between brushes and hydrogels
SN Ramakrishna, M Cirelli, ES Kooij, M Klein Gunnewiek, EM Benetti
Macromolecules 48 (19), 7106-7116, 2015
292015
Controlled crosslinking is a tool to precisely modulate the nanomechanical and nanotribological properties of polymer brushes
ES Dehghani, SN Ramakrishna, ND Spencer, EM Benetti
Macromolecules 50 (7), 2932-2941, 2017
272017
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Artiklar 1–20