Florain Gellert, Heiko Ahrens, Christiane A. Helm (2023) ''Influence of Surface Flows on the Shape of Fractal Domains'' Langmuir 2023, 39, 9078−9084
Azinfar, Amir, and Christiane A. Helm (2023). "Self-Patterning of Polyelectrolyte Multilayer Films: The Roles of PSS Molecular Weight, the Top Layer, and Post-Preparation Treatment." Macromolecules 56.8 (2023): 3095-3109.
Sven Neuber, Annekatrin Sill, Heiko Ahrens, Antje Quade, and Christiane A. Helm (2023) "Influence of Different Solutions on Electrically Conductive Films Composed of Carbon Nanotubes and Polydimethyldiallylammonium." ACS Applied Engineering Materials 2023 1 (6), 1493-1503 DOI: 10.1021/acsaenm.3c00085
Hrubantova, A., Hippler, R., Wulff, H., Cada, M., Olejnicek, J., Nepomniashchaia, N., Helm, C. A. & Hubicka, Z. (2022). Deposition of tungsten oxide films by reactive magnetron sputtering on different substrates. Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, 40(6), 063402
Voelkner, C., Assi, I., Karberg, W., Lange, R., Neuber, S., Helm, C. A., Gruening, M., Nebe, J. B., Barke, I. & Speller, S. (2022). Response of Osteoblasts to Electric Field Line Patterns Emerging from Molecule Stripe Landscapes. Applied Sciences, 12(14), 7329
Gellert, F., Ahrens, H., Wulff, H., & Helm, C. A. (2022). Seaweed and Dendritic Growth in Unsaturated Fatty Acid Monolayers. Membranes, 12(7), 698
Runde, S., Ahrens, H., Wulff, H., & Helm, C. A. (2022). Stable Metal/Metal Hydroxide Multilayers with Controlled Nanoscale Thickness Prepared from Liquid Metal Droplets with Oxide Skin. The Journal of Physical Chemistry C.
Sven Neuber, Annekatrin Sill, Ilias Efthymiopoulos, Peter Nestler, Katja Fricke, and Christiane A. Helm, (2022). Influence of molecular weight of polycation polydimethyldiallylammonium and carbon nanotube content on electric conductivity of layer-by-layer films. Thin Solid Films, 139103
Florian Berg, Christiane A. Helm, Stephan Block, AFM-Based Quantification of Conformational Changes in DNA Caused by Reactive Oxygen Species J. Phys. Chem. B119 (2015) 25-32
Frank Lawrenz, Philipp Lange, Nikolai Severin, Jürgen P. Rabe, Christiane A. Helm, Stephan Block Morphology, Mechanical Stability, and Protective Properties of Ultrathin Gallium Oxide CoatingsLangmuir 31 (2015) 5836-5842
Peter Nestler, Malte Paßvogel, Heiko Ahrens, Olaf Soltwedel, Ralf Köhler, Christiane A. Helm Branched Poly (ethylenimine) as Barrier Layer for Polyelectrolyte Diffusion in Multilayer Films Macromolecules, 2015, 48 (23), 8546–8556
Sven Brandt, Krystin Krauel, Miriam Jaax, Thomas Renné, Christiane A. Helm, Sven Hammerschmidt, Mihaela Delcea1, Andreas Greinacher Polyphosphates form antigenic complexes with platelet factor 4 (PF4) and enhance PF4-binding to bacteria Thrombosis and Haemostasis, 2015, 114 (5), 1189-1198
Vitezslav Stranak, Steffen Drache, Harm Wulff, Zdenek Hubicka, Milan Tichy, Angela Kruth, Christiane A Helm, Rainer Hippler Oxidation behavior of Cu nanoparticles embedded into semiconductive TiO 2 matrix Thin Solid Films, 2015, 589, 864–871
Harm Wulff, M Quaas, H Deutsch, H Ahrens, M Fröhlich, CA Helm Formation of palladium hydrides in low temperature Ar/H 2-plasma Thin Solid Films, 2015, 596, 185-189
Tom Berthold, Michael Glaubitz, Stefan Muschter, Stefan Groß, Raghavendra Palankar, Angelika Reil, Christiane A Helm, Tamam Bakchoul, Hansjörg Schwertz, Jürgen Bux, Andreas Greinacher, Mihaela Delcea Human neutrophil antigen‐3a antibodies induce neutrophil stiffening and conformational activation of CD11b without shedding of L‐selectin Transfusion, 2015, 55(12), 2939-2948
Sven Brandt, Krystin Krauel, Kay E. Gottschalk, Thomas Renne,, Christiane A. Helm, Andreas Greinacher, Stephan Block, Characterization of the conformational changes in platelet factor 4 induced by polyanions: towards in vitro prediction of antigenicityThrombosis and Haemostasis 112 (2014) 53-64
Michael Glaubitz, Nicolay Medvedev, Daniel Pussak, Laura Hartmann, Stephan Schmidt, Christiane A. Helm, Mihaela Delcea, A novel contac model for AFM indentation experiments on soft spherical cell-like particles Soft Matter 10 (2014) 6732-6741
Martin Kreimann, Sven Brandt, Krystin Krauel, Stephan Block, Christiane A. Helm, Werner Weitschies, Andreas Greinacher, Mihaela Delcea, Binding of anti-platelet factor 4/heparin antibodies depends on the thermodynamics of conformational changes in platelet factor 4Blood 124 (2014) 2442-2449
Steffen Drache, Vitezslav Stranak, Zdenek Hubicka, Florian Berg, Milan Tichy, Christiane A. Helm, Rainer Hippler, Study of mass and cluster flux in a pulsed gas system with enhanced nanoparticle aggregationJournal of Applied Physics 116 (2014) No 143303
Thomas Ortmann, Heiko Ahrens, Sven Milewski, Frank Lawrenz, Andreas Gröning, André Laschewsky, Sebastien Garnier, Christiane A. Helm, Oppositely Charged Polyelectrolytes: Influence of Reduced Charge Densities Polymers 2014, 6(7), 1999-2017
Thomas Ortmann, Heiko Ahrens, Frank Lawrenz, Andreas Gröning, Peter Nestler, Jens-Uwe Günther, Christiane A. Helm, Lipid Monolayers and Adsorbed Polyelectrolytes with Different Degrees of Polymerization Langmuir 2014, 30(23), 6768-6779
Michael Glaubitz, Stephan Block, Jeanine Witte, Klaus Empen, Stephan Gross, Robert Schlicht, Kerstin Weitmann, Karin Klingel, Reinhard Kandolf, Wolfgang Hoffmann, Kay E. Gottschlak, Mathias Busch, Marcus Dörr, Christiane A. Helm, Stephan B. Felix, Stiffness of left ventricular cardiac fibroblasts is associated with ventricular dilation in patients with recent-onset nonischemic and nonvalvular Cardiomyopathy Circulation Journal 2014, 78, 1693-1700
Stephan Block, Andreas Greinacher, Christiane A. Helm, Mihaela Delcea, Characterization of bonds formed between platelet factor 4 and negatively charged drugs using single molecule force spectroscopy Soft Matter 2014, 46, 2775-2784
Steffen Drache, Vitezslav Stranak, Florian Berg, Zdenek Hubicka, Milan Tichy, Christiane A. Helm, Rainer Hippler, Pulsed gas aggregation for improved nanocluster growth and flux Physica Status Solidii A 2014, 211, 1189-1193
Vitezslav Stranak, Harm Wulff, Petra Ksirova, Carmen Zietz, Steffen Drache, Martin Cada, Zdenek Hubicka, Rainer Bader, Milan Tichy, Christiane A. Helm, Rainer Hippler, Ionized vapor deposition of antimicrobial Ti-Cu films with controlled copper release Thin Solid Films 2014, 550, 389-394 2014, 550, 389-2394
Ulrich Hasse, Harm Wulff, Christiane A. Helm, Fritz Scholz, Formation of gold surfaces with a strongly preferred -orientation Journal of Solid State Electrochemistry 2013, 17, 3047-3053
Florian Berg, Stephan Block, Steffen Drache, Rainer Hippler, Christiane A. Helm, Effects of Reactive Oxygen Species on Single Polycation Layers J. Phys. Chem. B 2013, 117, 8475-8483
Peter Nestler, Malte Paßvogel, Christiane A. Helm, Influence of Polymer Molecular Weight on the Parabolic and Linear Growth Regime of PDADMAC/PSS Multilayers Macromolecules 2013, 46, 5622-5229
Holger N. Lode, Manuela Schmidt, Diana Seidel, Nicole Huebener, Diana Brackrock, Matthias Bleeke, Daniel Reker, Sven Brandt, Hans-Peter Mueller, Christiane Helm, Nikolai Siebert, Vaccination with anti-idiotype anbioday danglidiomab mediated a GD2-specific anti-neuroblastoma immune response Cancer Immunology, Immunotherapy 2013, 62, 999-1010
Stefan Knohl, Amit K. Roy, Ralf Lungwitz, Stefan Spange, Thomas Mäder, Daisy J. Nestler, Bernhard Wielage, Steffen Schulze, Michael Hietschold, Harm Wulff, Christiane A. Helm, Falko Seidel, Dietrich R.T. Zahn, Werner A. Goedel, Nonaqueous Atomic Layer Deposition of Aluminum Phosphate Applied Materials & Interfaces 2013, 5, 6161-6167
Miriam E. Jaax, Krystin Krauel, Thomas Marschall, Sven Brandt, Julia Gansler, Birgitt Fürll, Bettina Appel, Silvia Fischer, Stephan Block, Christiane A. Helm, Sabine Müller, Klaus T. Preissner, Andreas Greinacher, Complex formation with nucleic acids and aptamers alters the antigenic properties of platelet factor 4 Blood 2013, 121, 272-281
S. Bornholdt, N. Itagaki, K. Kuwahara, H. Wulff, M. Shiratani, H. Kersten, Charaterization of the energy flux toward the substrate during magnetron sputter deposition of ZnO thin films Plasma Sources Sci. Technol 2013, 22, 025019, online
I. Suharida, K: Matsushima, K. Kuwahara, K. Oshikawa, D. Yamashita, H. Seo, G. Uchida, K. Kamtaki, K. Koga, M. Shiratani, S. Bornholdt, H. Kersten, H. Wulff, N. Itagaki, Effects of hydrogen dilution in ZnO thin films fabricated via nitrogen mediated crystallization Jpn. J. Appl. Phys. 2013, 52, 01AC08, online
K.L. Kolipaka, V. Brüser, R. Schlüter, A. Quade, J. Schäfer, H. Wulff, T. Strunskus, F. Faupel, Deposition of rutile (TiO2) with preferred orientation by assisted high power impulse magnetron sputtering Surface & Coating Technology 2013, 222, 112-117
H. Wulff, H.Steffen, Surface and Thin Film Analysis, Inorganic Thin Films in “Nonthermal Plasma Chemistry and Physics“ Editors: J. Meichsner, M. Schmidt, R. Schneider, and H.-E. Wagner, CRC Press, Taylor & Francis Group, Boca Raton 2013, --, Sections 7.3, 7.5, and 8
K.L. Kolipaka, V. Brüser, R. Schlüter, A. Quade, J. Schäfer, H. Wulff, T. Strunskus, F. Faupel, Simple method of hybrid PVD/PECVD to prepare well-dispersed cobalt-plasma polymerized hexamethylendisilazane nanocomposites Surface &. Coatings. Technology 2012, 207, 565-570
Ulrich Hasse, Katja Fricke, Daiane Dias, Gustav Sievers, Harm Wulff, Fritz Scholz, Grain boundary corrosion of the surface of annealed thin layer of gold by OH• radicalsJ. Solid State Electrochemistry 2012, 16, 2383-2389
Olaf Soltwedel, Peter Nestler, Hans-Georg Neumann, Ralf Köhler, Christiane A. Helm, Influence of Polycation (PDADMAC) Weight on Vertical Diffusion within Polyelectrolyte Multilayers during Film Formation and Postpreparation Treatment Macromolecules 2012, 45, 7995-8004
Stefan Zander, Michael Hermes, Fritz Scholz, Andreas Gröning, Christiane A. Helm, Doris Vollmer, Uwe Lendeckel, Lorenz Schild, Membrane fluidity of tetramyrisoyl cardiolipin (TMCL) liposomes studied by chronoamperometric monitoring of their adhesion and spreading at the surface of a mercury electrode J. Solid State Electrochemistry 2012, 16, 2391-2397
Stephan Block, Peter Nestler, Olaf Soltwedel, Christiane A. Helm, Polyelectrolyte Conformation in and Structure of Polyelectrolyte Multilayersin “Multilayer Thin Films: Sequential Assembly of Nanocomposite MaterialsöEditors: Gero Decher and Joseph B. Schlenoff, Wiley-VCH 2012, 1, 269-280
Peter Nestler, Stephan Block, and Christiane A. Helm, Temperature-Induced Transition from Odd Even to Even Odd Effect in Polyelectrolyte Multilayers Due to Interpolyelectrolyte Interactions J. Phys. Chem. B 2012, 116, 1234-1243
V. Stranák, M Cada, M. Quaas, S. Block, R. Bodanowicz, Š. Kment, H. Wulff, H. Hubicka, C.A. Helm, M. Tichý, R. Hippler, Effect of mid-frequency discharge assistance on dual-high power impulse magnetron sputtering Surface &. Coatings. Technology 2012, 206, 2801-2809
Stephan Block, Gunnar Glöckl, Werner Weitschies, and Christiane A. Helm, Direct Visualization and Identification of Biofunctionalized Nanoparticles using a Magnetic Atomic Force Microscope Nano Letters 2011, 11, 3587-3592
A. Gröning, H. Ahrens, T. Ortmann, F. Lawrenz, G. Brezesinski, F. Scholz, C. A. Helm, Molecular Mechanisms of Phosphatidylcholine Monolayer Solidification due to Hydroxyl Radicals Soft Matter 2011, 7, 6467 - 6476
V. Stranák, H. Wulff, H. Rebl, C. Zietz , K. Arndt , R. Bogdanowicz , B. Nebe , R. Bader , A. Podbielski, Z. Hubicka , R. Hippler, Deposition of thin titanium–copper films with antimicrobial effect by advanced magnetron sputtering methods Materials Science and Engineering 2011, 31(7), 1512-1519
V. Stranák , H. Wulff, R. Bogdanivicz, S. Drache, Z. Hubicka, M. Cada, M. Tichý, R.Hippler, Growth and properties of Ti-Cu films with respect to plasma parameters in dual-magnetron sputtering discharges Eur. Phys. J. D 2011, 64, 427-435
S. Block, C.A. Helm, Equilibrium and Non-Equilibrium Features in the Morphology andStructure of Physisorbed Polyelectrolyte Layers J. Phys. Chem. B 2011, 115, 7301-7313
C. Stefaniu, M. Chanana, D. Wang, H. Ahrens, G. Brezesinski, H. Möhwald, Conformational Induced Behavior of Copolymer-capped Magnetite Nanoparticles at the Air/Water Interface Soft Matter 2011, 7, 4267-4275
V. Stranák, S. Block, S. Drache, Z. Hubicka, C. A. Helm, L. Jastrabík, M. Tichý, R. Hippler, Size-controlled formation of Cu nanoclusters in pulsed magnetron sputtering system Surface Coatings and Technology 2011, 205, 2755 - 2762
S. Ortinau, J. Schmich, S. Block, A. Liedmann1, L. Jonas, D. G. Weiss, C. A. Helm, A. Rolfs, M. J. Frech, Effect of 3D-scaffold formation on differentiation and survival in human neural progenitor cells BioMedical Engineering Online 2010, 9, 70
O. Soltwedel, O. Ivanova, M. Höhne, M. Gopinadhan, C. A. Helm, Aggregation and Rearrangement within a Silver Nanoparticle Layer during Polyelectrolyte Multilayer Formation Langmuir 2010, 26, 15219-15218
O. Soltwedel, O. Ivanova, P. Nestler, M. Müller, R. Köhler, C. A. Helm, Interdiffusion in Polyelectrolyte Multilayers Macromolecules 2010, 43, 7288-7293
Matthias Cornelsen, Christiane A. Helm, Stephan Block, Destabilization of polyelectrolyte multlayers formed at different temperatures and ion concentrations Macromolecules 2010, 43, 4300-4309
Marion Quaas, Harm Wulff, Oxana Ivanova, Christiane A. Helm, Formation of Nickel hydrides in reactive plasmas Z. f. Kristallographie 2009, 30, 241-246
Stephan Block, Christiane A. Helm, Single polyelectrolytes layers adsorbed at high salt conditions: brush domains coexisting with flatly adsorbed chains Macromolecules 2009, 42, 6733-6740
V. Stranák, M Cada, M. Quaas, S. Block, R. Bodanowicz, ö. Kment, H. Wulff, H. Hubicka, C.A. Helm, M. Tichý, R. Hippler, Physical properties of homogeneous TiO2 films prepared by high power impulse magnetron sputtering as a function of crystallographic phase and nanostructure J. Phys. D. Appl. Phys. 2009, 42, No 105204
Jens-Uwe Günther, Heiko Ahrens, Christiane A. Helm, Two-dimensional lamellar phase of poly(styrene sulfonate)adsorbed onto an oppositely charged lipid monolayer Langmuir 2009, 25, 1500-1508
Marion Quaas, Oxana Ivanova, Christiane A. Helm, Harm Wulff, Influence of reactive plasmas on thin Ni films Z. f. Kristallographie 2008, 27, 295-302
Jens-Uwe Günther, Heiko Ahrens, Stephan Förster, Christiane A. Helm, Bundle Formation in Polyelectrolyte Brushes Phys. Rev. Lett. 2008, 101, 258303
Victor Agmo Hernandes, Juliane Niessen, Falk Harnisch, Stephan Block, Andreas Greinacher, Heyo K. Kroemer, Christiane A. Helm, Fritz Scholz, The adhesion and spreading of thrombocyte vesicles on electrode surfaces Bioelectrochemistry 2008, 74, 210-216
Oxana Ivanova, Olaf Soltwedel, Manesh Gopinadhan, Ralf Köhler, Roland Steitz, Christiane A. Helm, Strong Binding of Light Water and Proton-Deuterium Exchange in Polyelectrolyte Multilayers Macromolecules 2008, 41, 7179-7185
Stephan Block, Christiane A. Helm, The conformation of PSS layers physisorbed from high salt solution studied by force measurements on two different length scales Journal of Physical Chemistry B 2008, 112, 9318-9327
Marion Quaas, Harm Wulff, Oxana Ivanova, Christiane A. Helm, Plasma chemical reactions of thin nickel films Surface and Interface Analysis 2008, 40, 552-555
Stephan Block, Christiane A. Helm, Measurement of Long-Ranged Steric Forces between Polyelectrolyte Layers Adsorbed from 1 M NaCl Phys. Rev. E 2007, 76, 030801(R)[76]
Dirk Eck, Christiane A. Helm, Norman J. Wagner, K. Abraham Vaynberg, Correction: Plasmon Resonance Measurements on the Adsorption and Adsorption Kinetics of a Biopolymer onto Nanocolloidal Gold (vol.17, pg. 957, 2001) Langmuir 2007, 23, 9522
Manesh Gopinadhan, Oxana Ivanova, Heiko Ahrens, Jens-Uwe Günther, Roland Steitz, Christiane A. Helm, The Influence of Secondary Interactions during the Formation of Polyelectrolyte Multilayers: Layer Thickness, Bound Water and Layer Interpenetration J. Phys. Chem. B 2007, 111, 8426-8434
E. Romanus, T. Koettig, G. Glöckl, S. Prass, F. Schmidl, J. Heinrich, M. Gopinadhan, D.V. Berkov, C.A. Helm, W. Weitschies, P. Weber and P. Seidel, Energy Barrier Distribution of Maghemite Nanoparticles Nanotechnology 2007, 18, Art. No. 115709
Andreas Greinacher, Manesh Gopinadhan, Jens-Uwe Günther, Mahmoud A. Omer-Adam, Ulrike Strobel, Theodore E. Warkentin, Georg Papastavrou, Werner Weitschies, Christiane A. Helm,Close Appproximation of Two Platelet Factor 4 Tetramers by Charge Neutralization Forms the Antigens Recognized by HIT Antibodies Arteriosclerosis, Thrombosis and Vascular Biology 2006, 26, 2386-2393
Ute Kolb, Karsten Büscher, Christiane A. Helm, Anne Lindner, Andreas F. Thünemann, Michael Menzel, Masayoshi Higuchi, Dirk G. Kurth, The solid-state architecture of a metallosupramolecular polyelectrolyte Proc. Natl. Acad. Sci. 2006, 103, 10202-10206
R. Pericet-Camara, G. Papastavrou, S.H. Behrens, C. A. Helm, M. Borkovec, Interaction forces and molecular adhesion between pre-adsorbed poly(ethylene imine) layers J. Colloid and Interface Science 2006, 296, 496-506
Shyjumon Ibrahimkutty, Manesh Gopinadhan, Christiane A. Helm, Boris M. Smirnov, Rainer Hippler, Deposition of titanium/titanium oxide clusters produced by magnetron sputtering Thin Solid Films 2006, 500, 41-51
M. Akbulut, N. Chen, N. Maeda, J. Israelachvili, T. Grünwald, C. A. Helm, Crystallization in Thin Liquid Films Induced by Shear J. Phys. Chem. B. 2005, 109, 12509-12514
M. Gopinadhan, H. Ahrens, J.-U. Günther, R. Steitz, C. A. Helm, Approaching the Precipitation Temperature of the Deposition Solution and its Effects on the Internal Order of polyelectrolyte Multilayers Macromolecules 2005, 38, 5228-5235
H. Ahrens, G. Papastravrou, C. A. Helm, Characterizing the phases of Langmuir monolayers of cylindrical brushes with x-ray reflectivity and diffraction J. Phys. Condens. Matter 2005, 17, 685-701
A. Wesemann, H. Ahrens, S. Förster, C. A. Helm, Formation of Large PEE Domains in PEE212-PEO112 Diblock Copolymer Monolayers: Shift of the PEO-Desorption Transition Langmuir 2004, 20, 11528-11538
H. Ahrens, S. Förster, C. A. Helm, N. Arun Kumar, Ali Naji, R. Netz, C. Seidel, Nonlinear Osmotic Brush Regime: Experiments, Simulations and Scaling Theory J. Phys. Chem. B 2004, 108, 16870-16876
H. Möhnwald, H. Menzel, C. A. Helm, M. Stamm, Lipid polyampholyte monolayers to study polyelectrolyte interactions and structure at interfaces Advances in Polymer Science 2004, 161, 151-175
H. Ahrens, K. Büscher, D. Eck, S. Förster, C. Luap, G. Papastravrou, J. Schmitt, R. Steitz, C. A. Helm, Poly(styrene sulfonate) adsorption: Electrostatic and Secondary Interactions Macromol. Symp. 2004, 211, 93-106
K. Büscher, C. A. Helm, C. Gross, G. Glöckl, E. Romanus, W. Weitschies, Nanoparticle Composition of a Ferrofluid and its Effects on the Magnetic Properties Langmuir 2004, 20, 2435-2444
H. Ahrens, G. Papastravrou, M. Schmidt, C. A. Helm, Synchrotron X-ray Diffraction and Reflection Studies of a Polymacro-monomer Monolayers at the Air-Water Interface: Transition from Straight Aligned Molecules to Homogeneous Layer J. Phys. Chem. B 2004, 108, 7080-7091
A. Wesemann, R. Steitz, H. Ahrens, S. Förster, C.A. Helm, Internal Interface of a Compressed PEE-PEO Diblock Copolymer Monolayer Langmuir 2003, 19, 709-716
K. Büscher, H. Ahrens, K. Graf, C. A. Helm, Influence of adsorption conditions on the structure of polyelectrolyte multilayers Langmuir 2002, 18, 3585-3591
K. Graf, H. Baltes, H. Ahrens, C.A. Helm, C.A. Husted, Structure of Hydroxylated Galactocerebrosides from Myelin at the Air-Water Interface Biophys. J. 2002, 82, 896-907
D. Eck, C. A. Helm, N. Wagner, K. A. Vaynberg, Plasmon Resonance Measurements of the Adsorption and Adsorption Kinetics of a Biopolymer onto Gold Nanocolloids Langmuir 2001, 17, 957-960
H. Ahrens, H. Baltes, J. Schmitt, H. Möhwald, C. A. Helm, Polyelectrolyte Adsorption onto Insoluble Monolayers at the Air/Water Interface Macromolecules 2001, 134, 4504-4512
H. Ahrens, K. Graf, C. A. Helm, Observation of a Superstructure X-ray Peak within Lipopolymer Monolayers on the Water Surface Langmuir 2001, 17, 3113-3115
H. Ahrens, T. R. Baekmark, R. Merkel, J. Schmitt, K. Graf, R. Raiteri, C. A. Helm, Hydrophilic/Hydrophobic Nanostripes in Lipopolymer Monolayers ChemPhysChem 2000, 1, 101-106
H. Ahrens, N. Hugenberg, M. Schmidt, C. A. Helm, Wetting of Mesoscopic Soft Cylinders: Structure and Layering Transitions Phys. Rev. E 1999, 60, 4360-4370
A. K. Vaynberg, N. Wagner, H. Ahrens, C. A. Helm, Gelatin Adsorption at the Air/Water Interface as Investigated by X-ray Reflectivity Langmuir 1999, 15, 4685-4689
K. Lowack, H. Ahrens, N. Detzer, J. Krägel, C. A. Helm, The Phases of a Statistical Copolymer Monolayer at the Air/Water Interface Langmuir 1999, 15, 1777-1783
J. Schmitt, P. Mächtle, D. Eck, H. Möhwald, C. A. Helm, Preparation and Optical Properties of Colloidal Gold Monolayers Langmuir 1999, 15, 3256-3266
H. Ahrens, S. Förster, C. A. Helm, Charged Polymer Brushes: Counterion Incorporation and Scaling Relations Phys. Rev. Lett. 1998, 81, 4172-4176
P. Mächtle, C. A. Helm 1998, Adhesion and Adhesion Hysteresis of Mica Surfaces Covered with Bola-Amphiphiles in Dry and Humid Air Thin Solid Films 1998, 330, 1-6
T. Grünewald, L. Dähne, C. A. Helm, Supersaturation and Crystal Nucleation in Confined Geometries J. Phys. Chem. B 1998, 102, 4988-4993
K. Lowack, C. A. Helm, Molecular Mechanisms Controlling the Self-Assembly Process of Polyelectrolyte Multilayers Macromolecules 1998, 34, 823-833
H. Ahrens, S. Förster, C. A. Helm, Polyelectrolyte Brushes Grafted to the Air/Water Interface Macromolecules 1997, 30, 8447-8452
M. Ibn-Elhaj, H. Riegler, H. Möhwald, M. Schwendler, C. A. Helm, X-ray reflectivity study of layering transitions and the internal multilayer structure of films of liquide-crystalline three-block amphiphilic smectogens at the air/water interface Phys. Rev. E 1997, 56, 1844-1852
H. Baltes, M. Schwendler, C. A. Helm, R. Heger, W. A. Goedel, Properties of Hydrophobic Polymer Melts Tethered to the Water Surface as Determined with in situ X-ray Reflectivity Macromolecules 1997, 30, 6633-6639
E. Donath, D. Walter, V. N. Shilov, E. Knippel, A. Budde, K. Lowack, C. A. Helm, H. Möhwald, Influence of adsorption conditions on the structure of polyelectrolyte multilayers Langmuir 1997, 13, 5294-5305
H. Baltes, M. Schwendler, C. A. Helm, H. Möhwald, B. Struth, E. Scalas, G. Brezesinski, Decoupling of Chain and Head Group Ordering in Phospholipid Monolayers Long & Short Chains at Interfaces (Proceedings of the XXXth Rencontres de Moriond), Editors: J. Daillant, P. Guenoun, C. Marques, P. Muller, J. Trân Thanh Vân, P. Muller Editions Frontières, Gif-sur-Yvette, France 1996, 177,
Computer-Controlled Experiments in the Surface Forces Apparatus with a CCD-Spectrograph, Ellipsometry and X-ray Reflectivity Studies on Monolayers of Phosphatidylethanolamine and Phosphatidylcholine in Contact with n-Dodecane, n-Hexadecane and Bicyclohexyl Langmuir 1996, 12, 1722-1728
H. Baltes, M. Schwendler, C. A. Helm, H. Möhwald, Tail and Head Group Interactions in Phospholipid Monolayers J. Colloid and Interface Science 1996, 178, 135-143
T. Grünewald, C. A. Helm, Computer-Controlled Experiments in the Surface Forces Apparatus with a CCD-Spectrograph Langmuir 1996, 12, 3885-3890
Amphiphile Monoschichten an der Wasser-Luft-Grenzfläche
Phasenübergänge flüssig fest mit mm-Auflöung: [1-3]
Ordnung in der Monoschicht gemessen mit Röntgen Diffraktion bei streifendem Einfall:[4-7]
Elektronendichteprofile senkrecht zur Wasseroberfläche: [7-8]
Wechselwirkung zwischen Monoschichten an Luft
Adhesion von Oberflächen mit geringer Oberflächenspannung:[10]
Wechselwirkung von Modellmembranen im Wasser
AFM Abbildungen der Kopfgruppe: [11]
Proteinbindung mit der SFA beobachted: [12]
Fusion von Model Membranen: [13-15]
[1] M. Lösche, C. Helm, H. D. Mattes, H. Möhwald, Thin Solid Films 1985, 133, 51
[2] C.A. Helm, L. A. Laxhuber, M. Lösche, H. Möhwald, Colloid & Polymer Sci. 1986, 264, 46
[3] A. Miller, C. A. Helm, H. Möhwald, J. Physique 1987, 48, 693
[4] K. Kjaer, J. Als-Nielsen, C. A. Helm, L. A. Laxhuber, H. Möhwald, Phys. Rev. Lett. 1987, 58, 2224
[5] C. A. Helm, H. Möhwald, K. Kjaer, J. Als-Nielsen, Biophys. J. 1987, 52, 381
[6] K. Kjaer, J. Als-Nielsen, C. A. Helm, P. Tippmann-Krayer, H. Möhwald, J. Phys. Chem.1989, 93, 3200
[7] K. Kjaer, J. Als-Nielsen, C. A. Helm, P. Tippmann-Krayer, H. Möhwald, Thin Solid Films1988, 159, 17
[8] C. A. Helm, H. Möhwald, K. Kjaer, J. Als-Nielsen, Europhys. Lett. 1987, 4, 697
[9] C. A. Helm, P. Tippmann-Krayer, H. Möhwald, J. Als-Nielsen, K. Kjaer, Biophys.J. 1991, 60, 1457
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