 |
2012 |
2012 2011 2010 2009-2005 2004-2000 1999-1995 älter |
 |
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 |
|
| |
2011 |
2012 2011 2010 2009-2005 2004-2000 1999-1995 älter |
 |
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 |
|
 |
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 |
|
| |
2010 |
2012 2011 2010 2009-2005 2004-2000 1999-1995 älter |
 |
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 |
|
| |
2009 |
2014-2010 2009 2008 2007 2006 2005 2004-2000 1999-1995 älter |
 |
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, Š. 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 |
|
| |
2008 |
2014-2010 2009 2008 2007 2006 2005 2004-2000 1999-1995 älter |
|
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 |
||
| |
2007 |
2014-2010 2009 2008 2007 2006 2005 2004-2000 1999-1995 älter |
 |
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 |
||
| |
2006 |
2014-2010 2009 2008 2007 2006 2005 2004-2000 1999-1995 älter |
 |
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, Oxana Ivanova, Marion Quaas, Harm Wulff, Christiane A. Helm, Rainer Hippler Structural deformation, melting point and lattice parameter studies of size-selected silver clusters Eur. Phys. J. D 2006, 37, 409-415 |
||
|
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 |
||
| |
2005 |
2014-2010 2009 2008 2007 2006 2005 2004-2000 1999-1995 älter |
 |
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 |
|
| |
2004 |
2014-2010 2009-2005 2004 2003 2002 2001 2000 1999-1995 älter |
 |
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 |
|
| |
2002 |
2014-2010 2009-2005 2004 2003 2002 2001 2000 1999-1995 älter |
 |
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 |
|
| |
2001 |
2014-2010 2009-2005 2004 2003 2002 2001 2000 1999-1995 älter |
|
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 |
|
| |
2000 |
2014-2010 2009-2005 2004 2003 2002 2001 2000 1999-1995 älter |
|
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 |
|
| |
1999 |
2014-2010 2009-2005 2004-2000 1999 1998 1997 1996 1995 älter |
 |
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 |
|
| |
1998 |
2014-2010 2009-2005 2004-2000 1999 1998 1997 1996 1995 älter |
|
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 |
|
| |
1997 |
2014-2010 2009-2005 2004-2000 1999 1998 1997 1996 1995 älter |
|
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 |
|
| |
1996 |
2014-2010 2009-2005 2004-2000 1999 1998 1997 1996 1995 älter |
|
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 |
|
|
älter, wird aber noch zitiert |
2010-2006 2005-2001 2000-1996 älter |
 |
Amphiphile Monoschichten an der Wasser-Luft-GrenzflächePhasenübergänge flüssig fest mit Ordnung in der Monoschicht gemessen mit Röntgen Diffraktion bei streifendem Einfall:[4-7] Elektronendichteprofile senkrecht zur Wasseroberfläche: [7-8] [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 Films 1988, 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 |
|
|
Wechselwirkung zwischen Monoschichten an LuftAdhesion von Oberflächen mit geringer Oberflächenspannung:[10] [10] Y. L. Chen, C. A. Helm, J. N. Israelachvili, J. Phys. Chem. 1991, 95, 10736 |
|
 |
Wechselwirkung von Modellmembranen im WasserAFM Abbildungen der Kopfgruppe: [11] Proteinbindung mit der SFA beobachted: [12] Fusion von Model Membranen: [13-15] [11] J. A. N. Zasadzinski, C. A. Helm, M. L. Longo, A. L. Weisenhorn, S. A. C. Gould, P.K. Hansma Biophys. J. 1991, 59, 755 [12] C. A. Helm, W. Knoll, J. N. Israelachvili, Proc. Natl. Acad. Sci. 1991, 88, 8169 [13] C. A. Helm, J. N. Israelachvili, P. M. McGuiggan, Science 1989, 246, 919 [14] C. A. Helm, J. N. Israelachvili, P. M. McGuiggan, Biochemistry 1992, 31, 1794 [15] D. E. Leckband, C. A. Helm, J. N. Israelachvili, Biochemistry 1993, 32, 1127 |