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Responsive polymers

Scattering of Visible Light by Au–PNIPAM Core–Shell Microgels
Ben Tadgell, Ekaterina Ponomareva, Matthias Karg, and Paul Mulvaney:
J. Phys. Chem. C (2022)
doi: 10.1021/acs.jpcc.2c03086

Micron-Sized Silica-PNIPAM Core-Shell Microgels with Tunable Shell-To-Core Ratio
Keumkyung Kuk, Lukas Gregel, Vahan Abgarjan, Caspar Croonenbrock, Sebastian Hänsch, and Matthias Karg:
Gels, 8, 516 (2022)
doi: 10.3390/gels8080516

SAXS Investigation of Core–Shell Microgels with High Scattering Contrast Cores: Access to Structure Factor and Volume Fraction
Marco Hildebrandt, Sergey Lazarev, Javier Pérez, Ivan A. Vartanyants, Janne-Mieke Meijer and Matthias Karg:
Macromolecules, 55, 7, 2959–2969 (2022)
doi: 10.1021/acs.macromol.2c00100

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Temperature-Jump Spectroscopy of Gold–Poly(N-isopropylacrylamide) Core–Shell Microgels
Ben Tadgell, Ekaterina Ponomareva, Matthias Karg and Paul Mulvaney:
The Jurnal of Physical Chemistry C, 126, 8, 4118-4131 (2022)
doi: 10.1021/acs.jpcc.2c00062

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Controlling the shell structure of hard core/hydrogel shell microspheres
Yuichiro Nishizawa, Kenshiro Honda, Matthias Karg and Daisuke Suzuki:
Colloid and Polymer Science, 300, 333–340 (2022)
doi: 10.1007/s00396-021-04934-2

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In situ characterization of crystallization and melting of soft, thermoresponsive microgels by small-angle X-ray scattering
Dmitry Lapkin, Nastasia Mukharamova, Dameli Assalauova, Svetlana Dubinina, Jens Stellhorn, Fabian Westermeier, Sergey Lazarev, Michael Sprung, Matthias Karg, Ivan A. Vartanyants and Janne-Mieke Meijer:
Soft Matter, 18, 1591-1602 (2022)
doi: 10.1039/D1SM01537K

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The fuzzy sphere morphology is responsible for the increase in light scattering during the shrinkage of thermoresponsive microgels
Ekaterina Ponomareva, Ben Tadgell, Marco Hildebrandt, Marcel Krüsmann, Sylvain Prévost, Paul Mulvaney and Matthias Karg:
Soft Matter, 18, 807-825 (2022)
doi: 10.1039/D1SM01473K

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Structural Insights into Polymethacrylamide-Based LCST Polymers in Solution: A Small-Angle Neutron Scattering Study
Arne Lerch, Florian Käfer, Sylvain Prévost, Seema Agarwal and Matthias Karg:
Macromolecules, 54, 16, 7632–7641 (2021)
doi: 10.1021/acs.macromol.1c00698

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Polymer ligand binding to surface-immobilized gold nanoparticles: a fluorescence-based study on the adsorption kinetics
Julian Sindram and Matthias Karg:
Soft Matter, 17, 7487-7497 (2021)
doi: 10.1039/D1SM00892G
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Versatile Route toward Hydrophobically Polymer-Grafted Gold Nanoparticles from Aqueous Dispersions
Julian Sindram, Marcel Krüsmann, Marius Otten, Thomas Pauly, Luitgard Nagel-Steger and Matthias Karg:
J. Phys. Chem. B, 125, 29, 8225–8237 (2021)
doi: 10.1021/acs.jpcb.1c03772
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Elucidating the Nucleation Event in the C–C Cross-Coupling Step-Growth Dispersion Polymerization
Bastian Haehnle, Kiran Kaithakkal Jathavedan, Philipp A. Schuster, Matthias Karg and Alexander J. C. Kuehne:
Macromolecules, 54, 13, 6085–6089 (2021)
doi: 10.1021/acs.macromol.1c00899
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Synthesis and self-assembly of amphiphilic precision glycomacromolecules
Alexander Banger, Julian Sindram, Marius Otten, Jessica Kania, Dimitri Wilms, Alexander Strzelczyk, Sean Miletic, Thomas C. Marlovits, Matthias Karg and  Laura Hartmann
Polymer Chemistry, 12, 4795-4802 (2021)
doi: 10.1039/D1PY00422K
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Translational and rotational diffusion coefficients of gold nanorods functionalized with a high molecular weight, thermoresponsive ligand: a depolarized dynamic light scattering study
Déborah Feller, Marius Otten, Marco Hildebrandt, Marcel Krüsmann, Gary Bryant and  Matthias Karg
Soft Matter, 17, 4019-4026 (2021)
doi: 10.1039/D1SM00077B
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Poly-N-isopropylacrylamide Nanogels and Microgels at Fluid Interfaces
Marcel Rey, Miguel Angel Fernandez-Rodriguez, Matthias Karg, Lucio Isa, Nicolas Vogel:
Acc. Chem. Res., 53, 414-424 (2020)
doi: 10.1021/acs.accounts.9b00528
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From normal diffusion to superdiffusion: Photothermal heating of plasmonic core-shell microgels
Nico Carl, Julian Sindram, Markus Gallei, Stefan U. Egelhaaf, Matthias Karg:
Phys. Rev. E, 100, 052605 (2019)
doi: 10.1103/PhysRevE.100.052605
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The Next Generation of Colloidal Probes: A Universal Approach for Soft and Ultra‐Small Particles
Andreas Mark, Nicolas Helfricht, Astrid Rauh, Matthias Karg, Georg Papastavrou:
Small, 15, 1902976 (2019)
doi: 10.1002/smll.201902976
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Nanogels and Microgels: From Model Colloids to Applications, Recent Developments, and Future Trends
Matthias Karg, Andrij Pich, Thomas Hellweg, Todd Hoare, L. Andrew Lyon, J. J. Crassous, Daisuke Suzuki, Rustam A. Gumerov, Stefanie Schneider, Igor. I. Potemkin, Walter Richtering:
Langmuir, 35, 6231-6255 (2019)
doi: 10.1021/acs.langmuir.8b04304
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Tunable 2D Binary Colloidal Alloys for Soft Nanotemplating
Miguel Ángel Fernández-Rodríguez, Roey Elnathan, Ran Ditcovski, Fabio Grillo, Gaurasundar Marc Conley, Flavia Timpu, Astrid Rauh, Karen Geisel, Tal Ellenbogen, Rachel Grange, Frank Scheffold, Matthias Karg, Walter Richtering, Nico H. Voelcker, Lucio Isa:
Nanoscale, 10, 22189-22195 (2018)
doi: 10.1039/C8NR07059H 
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Dynamics and wetting behavior of core-shell soft particles at a fluid-fluid interface
Siddarth Ayakulangara Vasudevan, Astrid Rauh, Martin Kroger, Matthias Karg, Lucio Isa:
Langmuir, 34, 15370-15382 (2018)
doi: 10.1021/acs.langmuir.8b03048
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Plasmonic and colloidal stability behaviours of Au-acrylic coreshell nanoparticles with thin pH-responsive shells
Shanglin Wu, Mingning Zhu, Dongdong Lu, QIng Lian, Ben Spencer, Daman J Adlam, Judith A Hoyland, Kirsten Volk, Matthias Karg, Brian R Saunders:
Nanoscale, 10, 18565-18575 (2018)
doi: 10.1039/C8NR07440B
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Stable in bulk and aggregating at the interface: comparing core-shell nanoparticles in suspension and at fluid interfaces
Siddarth Ayakulangara Vasudevan, Astrid Rauh, Lorenzo Barbera, Matthias Karg, Lucio Isa:
Langmuir, 34, 886-895 (2018)
doi: 10.1021/acs.langmuir.7b02015
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Role of Absorbing Nanocrystal Cores in Soft Photonic Crystals: A Spectroscopy and SANS Study
Astrid Rauh, Nico Carl, Ralf Schweins, Matthias Karg:
Langmuir, 34, 854-867 (2018)
doi: 10.1021/acs.langmuir.7b01595
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Fully Reversible, Quantitative Phase Transfer of Gold Nanoparticles using Bifunctional PNIPAM Ligands
Tobias Honold, Dominik Skrybeck, Kristina G. Wagner, Matthias Karg:
Langmuir, 33, 1, 253-261 (2017)
doi: 10.1021/acs.langmuir.6b03874
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Compression of hard core-soft shell nanoparticles at liquid-liquid interfaces: influence of the shell thickness
Astrid Rauh, Marcel Rey, Lorenzo Barbera, Michele Zanini, Matthias Karg, Lucio Isa:
Soft Matter,13, 158-169 (2017)
doi: 10.1039/C6SM01020B
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Laser Flash Photolysis of Au-PNIPAM Core−Shell Nanoparticles: Dynamics of the Shell Response
Sean Murphy, Sarah Jaber, Cameron Ritchie, Matthias Karg, Paul Mulvaney:
Langmuir, 32, 47, 12497-12503 (2016)
doi: 10.1021/acs.langmuir.6b02781
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Multi-Shell Hollow Nanogels with Responsive Shell Permeability
Andreas J. Schmid, Janine Dubbert, Andrey A. Rudov, Jan Skov Pedersen, Peter Lindner, Matthias Karg, Igor I. Potemkin, Walter Richtering:
Scientific Reports, 6, 22736 (2016)
doi: 10.1038/srep22736
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Functional Materials Design through Hydrogel Encapsulation of Inorganic Nanoparticles: Recent Developments and Challenges
M. Karg:
Macromolecular Chemistry and Physics, 217, 242-255 (2016)
doi: 10.1002/macp.201500334
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Influence of Temperature on the Colloidal Stability of Polymer-Coated Gold Nanoparticles in Cell Culture Media
M. V. Zyuzin, T. Honold, S. Carregal-Romero, K. Kantner, M. Karg, W. J. Parak:
Small, 12, 13, 1723-1731 (2016)
doi: 10.1002/smll.201503232
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Seeded precipitation polymerization for the synthesis of gold-hydrogel core-shell particles: the role of surface functionalization and seed concentration
A. Rauh, T. Honold, M. Karg:
Colloid & Polymer Science, 294, 1, 37-47 (2016)
doi: 10.​1007/​s00396-015-3782-6
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Time-Controlled Colloidal Superstructures: Long-Range Plasmon Resonance Coupling in Particle Monolayers
K. Volk, J. P. S. Fitzgerald, M. Retsch, M. Karg:
Advanced Materials, 27, 45, 7332-7337 (2015)
doi: 10.1002/adma.201503672
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LCST and UCST in One: Double Thermoresponsive Behavior of Block Copolymers of Poly(ethylene glycol) and Poly(acrylamide-co-acrylonitrile)
F. Käfer, F. Liu, U. Stahlschmidt, V. Jérome, R. Freitag, M. Karg, S. Agarwal:
Langmuir, 31, 32, 8940-8946 (2015)
doi: 10.1021/acs.langmuir.5b02006
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Core–Shell–Shell and Hollow Double-Shell Microgels with Advanced Temperature Responsiveness
J. Dubbert, K. Nothdurft, M. Karg, W. Richtering:
Macromolecular Rapid Communications, 36, 2, 159-164 (2015)
doi: 10.1002/marc.201400495
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Plasmonic gold–poly(N-isopropylacrylamide) core–shell colloids with homogeneous density profiles: a small angle scattering study
M. Dulle, S. Jaber, S. Rosenfeldt, A. Radulescu, S. Förster, P. Mulvaney, M. Karg:
Physical Chemistry Chemical Physics, 17, 1354-1367 (2015)
doi: 10.1039/C4CP04816D
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How Hollow Are Thermoresponsive Hollow Nanogels?
J. Dubbert, T. Honold, J. S. Pederson, A. Radulescu, M. Drechsler, M. Karg, W. Richtering:
Macromolecules, 47, 24, 8700-8708 (2014)
doi: 10.1021/ma502056y
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Interaction of gold nanoparticles with thermoresponsive microgels: influence of the cross-linker density on optical properties
K. Gawlitza, S. T. Turner, F. Polzer, S. Wellert, M. Karg, P. Mulvaney, R. von Klitzing:
Physical Chemistry Chemical Physics, 15, 15623-15631 (2013)
doi: 10.1039/C3CP51578H
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Thermoresponsive poly-(N-isopropylmethacrylamide) microgels: Tailoring particle size by interfacial tension control
K. von Nessen, M. Karg, T. Hellweg:
Polymer, 54, 21, 5499-5510 (2013)
doi: 10.1016/j.polymer.2013.08.027
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Poly-NIPAM Microgels with Different Cross-Linker Densities
M. Karg, S. Prévost, A. Brandt, D. Wallacher, R. von Klitzing, T. Hellweg:
Progress in Colloid and Polymer Science, 140, 63-76: Springer International Publishing Switzerland (2013)
doi: 10.1007/978-3-319-01683-2__6
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Multifunctional inorganic/organic hybrid microgels - An overview of recent developments in synthesis, characterization, and application
M. Karg:
Colloid & Polymer Science, 290, 8, 673-688 (2012)
doi: 10.1007/s00396-012-2644-8
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Wrinkle-assisted linear assembly of hard-core/soft-shell particles: impact of the soft shell on the local structure
M. Müller, M. Karg, A. Fortini, T. Hellweg, A. Fery:
Nanoscale, 4, 2491-2499 (2012)
doi: 10.1039/C2NR11591C
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2D assembly of gold–PNIPAM core–shell nanocrystals
S. Jaber, M. Karg, A. Morfa, P. Mulvaney:
Physical Chemistry Chemical Physics, 13, 5576-5578 (2011)
doi: 10.1039/C0CP02494E
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Surface Plasmon Spectroscopy of Gold−Poly-N-isopropylacrylamide Core−Shell Particles
M. Karg, S. Jaber, T. Hellweg, P. Mulvaney:
Langmuir, 27, 2, 820-827 (2011)
doi: 10.1021/la1039249
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Self-Assembly of Tunable Nanocrystal Superlattices Using Poly-(NIPAM) Spacers
M. Karg, T. Hellweg, P. Mulvaney:
Advanced Functional Materials, 21, 24, 4668-4676 (2011)
doi: 10.1002/adfm.201101115
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Well defined hybrid PNIPAM core-shell microgels: size variation of the silica nanoparticle core
M. Karg, S. Wellert, S. Prevost, R. Schweins, C. Dewhurst, L. M. Liz-Marzán, T. Hellweg:
Colloid & Polymer Science, 289, 5-6, 699-709 (2011)
doi: 10.1007/s00396-010-2327-2
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Temperature-Dependent Gelation Behaviour of Double Responsive P2VP-b-PEO-b-P(GME-co-EGE) Triblock Terpolymers: A SANS Study
M. Karg, S. Reinicke, A. Lapp, T. Hellweg, H. Schmalz:
Macromolecular Symposia, 306-307, 1, 77-88 (2011)
doi: 10.1002/masy.201000142
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Flow-Induced Ordering in Cubic Gels Formed by P2VP-b-PEO-b-P(GME-co-EGE) Triblock Terpolymer Micelles: A Rheo-SANS Study
S. Reinicke, M. Karg, A. Lapp, L. Heymann, T. Hellweg, H. Schmalz:
Macromolecules, 43, 23, 10045-10054 (2010)
doi: 10.1021/ma101768b
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Multiresponsive Hybrid Colloids Based on Gold Nanorods and Poly(NIPAM-co-allylacetic acid) Microgels: Temperature- and pH-Tunable Plasmon Resonance
M. Karg, Y. Lu, E. Carbó-Argibay, I. Pastoriza-Santos, J. Pérez-Juste, L.M. Liz-Marzán, T. Hellweg:
Langmuir, 25, 5, 3163-3167 (2009)
doi: 10.1021/la803458j
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Smart inorganic/organic hybrid microgels: Synthesis and characterisation
M. Karg, T. Hellweg:
Journal of Materials Chemistry, 19, 8714-8727 (2009)
doi: 10.1039/B820292N
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New “smart” poly(NIPAM) microgels and nanoparticle microgel hybrids: Properties and advances in characterisation
M. Karg, T. Hellweg:
Current Opinion in Colloid & Interface Science, 14, 6, 438-450 (2009)
doi: 10.1016/j.cocis.2009.08.002
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Smart hydrogels based on double responsive triblock terpolymers
S. Reinicke, J. Schmelz, A. Lapp, M. Karg, T. Hellweg, H. Schmalz:
Soft Matter, 5, 2648-2657 (2009)
doi: 10.1039/B900539K
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Temperature, pH, and Ionic Strength Induced Changes of the Swelling Behavior of PNIPAM−Poly(allylacetic acid) Copolymer Microgels
M. Karg, I. Pastoriza-Santos, B. Rodriguez-González, R. von Klitzing, S. Wellert, T. Hellweg:
Langmuir, 24, 12, 6300-6306 (2008)
doi: 10.1021/la702996p
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Encapsulation and Growth of Gold Nanoparticles in Thermoresponsive Microgels
R. Contreras-Cáceres, A. Sánchez-Iglesias, M. Karg, I. Pastoriza-Santos, J. Pérez-Juste, J. Pacifico, T. Hellweg, A. Fernández-Barbero, L.M. Liz-Marzán:
Advanced Materials, 20, 9, 1666-1670 (2008)
doi: 10.1002/adma.200800064
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Thermoresponsive core–shell microgels with silica nanoparticle cores: size, structure, and volume phase transition of the polymer shell
M. Karg, S. Wellert, I. Pastoriza-Santos, A. Lapp, L.M. Liz-Marzán, T. Hellweg:
Physical Chemistry Chemical Physics, 10, 6708-6716 (2008)
doi: 10.1039/B802676A
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Nanorod-Coated PNIPAM Microgels: Thermoresponsive Optical Properties
M. Karg, I. Pastoriza-Santos, J. Pérez-Juste, T. Hellweg, L.M. Liz-Marzán:
Small, 3, 7, 1222-1229 (2007)
doi: 10.1002/smll.200700078
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A Versatile Approach for the Preparation of Thermosensitive PNIPAM Core–Shell Microgels with Nanoparticle Cores
M. Karg, I. Pastoriza-Santos, L. M. Liz-Marzán, T. Hellweg:
ChemPhysChem, 7, 11, 2298-2301 (2006)
doi: 10.1002/cphc.200600483
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