Prof. Dr. Karlheinz Graf

Hochschule Niederrhein. Dein Weg.

Lehrveranstaltungen

Aktuelle Lehrveranstaltungen

Die Beschreibung der Lehrinhalte finden Sie in den entsprechenden Modulhandbüchern.

 

Bachelorstudiengänge

Mathematik II SS 2019 (B.Sc.)

Die Vorlesung "Mathematik II" für Studierende B.Eng./Dual (B.Eng./B.Sc.)/TZ (B.Eng./B.Sc.) findet bei Professor Hoffmann-Jacobsen statt.

 

Masterstudiengänge

Numerische Optimierung SS 2019 (M.Eng.)

  

Frühere Lehrveranstaltungen

Bachelorstudiengänge

Mathematik I WS 2018/19 (B.Sc.)

Mathematik II SS 2018 (B.Sc.)

Mathematik I WS 2017/18 (B.Sc.)

Mathematik II SS 2017 (B.Sc.)

Mathematik I WS 2016/17 (B.Sc.)

Mathematik II SS 2016 (B.Sc.)

Mathematik I WS 2015/16 (B.Sc.)

Mathematik II SS 2015 (B.Eng./B.Sc.)

Mathematik I WS 2014/15 (B.Eng./B.Sc.)

Mathematik II SS 2014 (B.Eng./B.Sc.)

Mathematik I WS2013/14 (B.Eng./B.Sc.)

Mathematik II SS 2013 (B.Sc.)

Mathematik I WS 2012/13 (B.Sc.)

 

Masterstudiengänge

Kolloid- und Grenzflächenchemie WS 2018/19 (M.Eng.)

Mathemat. Modelle WS 2018/19 (M.Eng.)

Kolloid- und Grenzflächenchemie WS 2017/18 (M.Eng.)

Kolloid- und Grenzflächenchemie WS 2016/17 (M.Eng.)

Mathemat. Optimierung II SS 2017 (M.Eng.)

Mathemat. Optimierung II SS 2016 (M.Eng.)

Mathemat. Modelle WS 2017/18 (M.Eng.)

Mathemat. Modelle WS 2016/17 (M.Eng.)

Mathemat. Modelle WS 2015/16 (M.Eng.)

Mathemat. Modelle WS 2014/15 (M.Eng.)

Mathemat. Modelle WS 2013/14 (M.Eng.)

Numerische Optimierung SS 2018 (M.Eng.)

 

 

Vita

Vita eintragen oder Link

Forschung

Der folgende Link führt auf meine externe Forschungsseite. Zertifikat bitte akzeptieren!

Forschung K. Graf (extern)

Publikationen

2018

  • W. Ali, B. Gebert, S. Altinpinar, Th. Mayer-Gall, M. Ulbricht, J. S. Gutmann, K. Graf, On the Potential of Using Dual-Function Hydrogels for Brackish Water Desalination, Polymers, 2018, 10, 567–588.

 

2016

  • D. Gabriel, A. Karbach, D. Drechsler, J. S. Gutmann, K. Graf, S. Kheirandish, Bound rubber morphology and loss tangent properties of carbon-black-filled rubber compounds, Colloid Polym. Sci., 2016, 294, 501–511.

 

2015

  • W. Ali, B Gebert, T. Hennecke, K. Graf, M. Ulbricht, J. S. Gutmann, Design of Thermally Responsive Polymeric Hydrogels for Brackish Water Desalination: Effect of Architecture on Swelling, Deswelling, and Salt Rejection, ACS Appl. Mater. Interfaces, 2015, 7, 15696−15706.

 

2013

  • H.-J. Butt, K. Graf, M. Kappl, Physics and Chemistry of Interfaces, 3rd edition, Wiley-VCH, 2013.

 

2012

  • C. E. McNamee, M. Kappl, H.-J. Butt, H. Nguyen, S. Sato, K. Graf, Th. W. Healy, Effect of the degree of dissociation of molecules in a monolayer at an air/water interface on the force between the monolayer and a like-charged particle in the subphase, J. Phys. Chem. B, 2012, 116, 13731−13738.

 

2011

  • C. E. McNamee, M. Kappl, H.-J. Butt, J. Ally, H. Shigenobu, Y. Iwafuji, K. Higashitani, K. Graf, Forces between a monolayer at an air/water interface and a particle in solution: influence of the sign of the surface charges and the subphase salt concentration, Soft Matter, 2011, 7, 10182–10192.
  • C. E. McNamee, K. Graf, H.-J. Butt, K. Higashitani, M. Kappl, Interaction between a silica particle and the underside of a polymer monolayer at the air/water interface in the presence of an anionic surfactant, Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2011, 383, 32–40.

 

2010

  • K. Graf, K. Büscher, M. Kappl, S. Moreno-Flores, D. Pum, U. B. Sleytr, J. L. Toca-Herrera,<br> The Monolayer Particle Interaction Apparatus: Interaction of colloidal probes and lipid-protein layers at the air-water interface, in: Biomimetics in Biophysics: Model Systems, Experimental Techniques and Computation, ed. José L. Toca-Herrera, Transworld Research Signpost, pp. 109-125, Kerala 2010 (ISBN: 978-81-308-0385-2).
  • C. E. McNamee, M. Kappl, H.-J. Butt, K. Higashitani, K. Graf, Interfacial Forces between a Silica Particle and Phosphatidylcholine Monolayers at the Air-Water Interface, Langmuir, 2010, 26(18), 14574–14581.

 

2009

  • Y. Karade, S. A. Pihan, W. H. Brünger, A. Dietzel, R. Berger, K. Graf, Determination of crosslink density in ion-irradiated polystyrene surfaces from rippling, Langmuir, 2009, 25, 3108-3114.
  • G. Li, K. Graf, Microstructures formation by deposition of toluene drops on polystyrene surface, PCCP, 2009, 11, 7137-7144.
  • G. Li, S. M. Flores, Ch. Vavilala, M. Schmittel, K. Graf, Evaporation Dynamics of Microdrops on Self-Assembled Monolayers of Dialkyl Disulfides, Langmuir, 2009, 25(23), 13438–13447.

 

2008

  • F. Schönfeld, K. Graf, S. Hardt, H.-J. Butt, Time of evaporation of sessile liquid drops in still air with constant contact radius, International Journal of Heat and Mass Transfer, 2008, 51, 3696-3699.
  • H. Payer, T. Haschke, R. Reichardt, G. Li, K. Graf, W. Wiechert, Profile Analysis of Regularly Microstructured Surfaces, Fluid Dynamics and Material Processing, 2008, 4(2), 61-76.
  • M. Toda, A. N. Itakura, S. Igarashi, K. Büscher, J. Gutmann, K. Graf, R. Berger, Surface stress, thickness, and mass of the first few layers of polyelectrolyte, Langmuir, 2008, 24(7), 3191-3198.
  • R. Zhang, T. Cherdhirankorn, K. Graf, K. Koynov, R. Berger, Swelling of cross-linked polystyrene beads in toluene, MNE, 2008, 85, 1261-1264.
  • R. Pericet-Camara, E. Bonaccurso, K. Graf, Microstructuring of polystyrene surfaces by non-solvent sessile droplets, ChemPhysChem, 2008, 9, 1738-1746.
  • G. Münchow, F. Schönfeld, S. Hardt, K. Graf, Protein diffusion across the interface in aqueous two-phase systems, Langmuir, 2008, 24, 8547-8553.

2007

  • T. Haschke, W. Wiechert, K. Graf, E. Bonaccurso, G. Li, F.-T. Suttmeier, Evaporation of Solvent Microdrops on Polymer Substrates: From Well Controlled Experiments to Mathematical Models and Back, Nanoscale and Microscale Thermophysical Engineering (NMTE), 2007, 11, 31-41.
  • Y. Karade, K. Graf, W. H. Brünger, A. Dietzel, R. Berger, Oriented nanometer surface morphologies by thermal relaxation of locally cross-linked and stretched polymer samples, MNE, 2007, 84, 797-801.
  • G. Li, K. Graf, E. Bonaccurso, D.S. Golovko, A. Best, H.-J. Butt, Evaporation structures of solvent drops evaporating from polymer surfaces: Influence of molar mass, Macromol. Chem. Phys., 2007, 208, 2134–2144.

 

2006

  • M. Toda, K. Büscher, K. Graf, A. N. Itakura, R. Berger, Surface stress of polyelectrolyte adsorption measured by micromechanical cantilever sensors, J. Surf. Sci. Nanotechnol., 2006, 4, 1-4.
  • K. Büscher, R. Berger, W. Brünger, K. Graf, Surface morphologies in polymers by irradiation with argon ions and consecutive swelling, Microelectronic Engineering, 2006, 83, 819-822.
  • N. Loges, K. Graf, L. Nasdala, W. Tremel, Probing Cooperative Interactions of Tailor-Made Nucleation Surfaces and Macromolecules: A Bio-inspired Route to Hollow Micrometer-Sized Calcium Carbonate Particles, Langmuir, 2006, 22, 3073-3080.
  • C. Stupperich-Sequeira, K. Graf, W. Wiechert, Modeling and simulation of micro-well formation, Mathematical and Computer Modelling of Dynamical Systems, 2006, 12, 263-276.
  • T. Haschke, K. Graf, E. Bonaccurso, G. Li, F.-T. Suttmeier, W. Wiechert, Evaporation of Solvent Microdrops on Polymer Substrates: Crater Geometries and Parameter Sensitivity Analysis, Proceedings of the Second International Conference on Transport Phenomena in Micro and Nanodevices, ed. M. Gad-el-Hak, Paper No. VIII-5, CD Publication, Engineering Conference International, Brooklyn, New York 2006.
  • P. Chiranjeevi, K. Graf, J. Kressler, Langmuir Monolayer and Langmuir-Blodgett Films of Amphiphilic Triblock Copolymers with Water Soluble Middle Block, Coll. Polym. Sci., 2006, 285, 27-37.
  • S. Karabasheva, S. Baluschev, K. Graf, Microstructures on soluble polymer surfaces via solvent drop deposition, APL, 2006, 89, 031110.
  • E. Bonaccurso, B. Cappella, K. Graf, Local mechanical properties of plasma treated polystyrene surfaces, J. Phys. Chem. B., 2006, 110, 17918-17924.
  • G. Li, H.-J. Butt, K. Graf, Microstructures by solvent drop evaporation on polymer surfaces: dependence on molar mass, Langmuir, 2006, 22, 11395-11399.
  • R. Zhang, K. Graf, R. Berger, Swelling of crosslinked polystyrene spheres in toluene vapor using micromechanical cantilever sensors, APL, 2006, 89, 223114.
  • G. Li, N. Höhn, K. Graf, Microtopologies in polymer surfaces by solvent drops in contact and noncontact mode, APL, 2006, 89, 241920.

 

2005

  • G. Gillies, K. Büscher, M. Preuss, M. Kappl, H.-J. Butt, K. Graf, Contact Angles and Wetting Behavior of Single Micron-sized Particles, J. Physics: Condens. Matter, 2005, 17, S445-S464.
  • E. Bonaccurso, H.-J. Butt, B. Hankeln, B. Niesenhaus, K. Graf, Fabrication of microvessels and microlenses from polymers by solvent droplets, Appl. Phys. Lett., 2005, 86, 124101.
  • M. Schmittel, M. Lal, K. Graf, G. Jeschke, I. Suske, J. Salbeck, N,N´-Dimethyl-2,3-dialkylpyra¬zinium salts as redox-switchable surfactants? Redox, spectral, EPR and surfactant properties, Chem. Comm., 2005, 45, 5650-5652.

 

2004

  • E. Bonaccurso, H.-J. Butt, K. Graf, Microarrays by Structured Substrate Swelling, European Polymer Journal, 2004, 40, 975–980.
  • E. Bonaccurso, K. Graf, Nanostructuring effect of plasma and solvent treatment on polystyrene, Langmuir, 2004, 20, 11183-11190.
  • A. Förtig, R. Jordan, K. Graf, G. Schiavon, O. Purrucker, M. Tanaka, Solid-Supported Biomimetic Membranes with Tailored Lipopolymer Tethers, Macromol.Symp., 2004, 210, 329-338.
  • B. Ohler, K. Graf, R. Bragg, T. Lemons, R. Coe, C. Genain, J. Israelachvili, C. Husted, Role of lipid interactions in autoimmune demyelination, BBA, 2004, 1688, 10-17.

 

2003

  • C. Stupperich-Sequeira, K. Graf, W. Wiechert, Modeling of the Production of Microwells, Conference Proceedings 4th Mathmod, in: ARGESIM-Reports, Vol. 24, eds.: I. Troch and F. Breitenecker, Vienna 2003, ISBN 3-901608-24-9.

 

2002

  • 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.
  • K. Büscher, K. Graf, H. Ahrens, C. A. Helm, Influence of adsorption conditions on the structure of polyelectrolyte multilayers, Langmuir, 2002, 18(9), 3585-3591.
  • E. Bonaccurso, H.-J. Butt, V. Franz, K. Graf, M. Kappl, S. Loi, B. Niesenhaus, S. Chemnitz, M. Böhm, B. Petrova, U. Jonas, H.W. Spiess, Water induced dewetting of ultrathin polystyrene films on hydrophilic surfaces, Langmuir, 2002, 18(21), 8056-8061.

 

2001

  • H. Ahrens, K. Graf, C. A. Helm, Observation of a Superstructure X-Ray Peak within lipopolymer monolayers on the water surface, Langmuir, 2001, 17(11), 3113-3115.

 

2000

  • K. Graf, H. Riegler, Is there a General Equation of State Approach for Interfacial Tensions?, Langmuir, 2000, 16(11), 5187-5191.
  • H. Ahrens, T.R. Baekmark, R. Merkel, J. Schmitt, K. Graf, R. Raiteri, C. A. Helm, Hydrophilic/hydrophobic nanostripes in lipopolymer monolayers, Chem. Phys. Chem. copublished with Angewandte Chemie – Intl. Ed., 2000, 2, 101-106.

 

1999

  • B. Ohler, K. Graf, T. Lemons, R. Coe, S. Jahangir, W. See, C. Genain, C. Husted, Myelin lipid research using Langmuir monolayers, Journal of Neurochemistry, 1999, 72 suppl., 15.

 

1998

  • K. Graf, H. Riegler, Molecular adhesion interactions between Langmuir monolayers and solid substrates, Colloids and surfaces A: Physicochemical and Engineering Aspects, 1998, 131, 215-224.

 

1996

  • R. Jordan, K. Graf, H. Riegler, K. Unger, Polymer supported alkyl monolayers on silica: synthesis and self assembly of terminal functionalized poly(N-propionyl¬ethylenimine)s, Chem. Commun., 1996, 9, 1025-1026.

 

1994

  • C. Flament,K. Graf, F. Gallet, H. Riegler, Structure of an anisotropic two-dimensional solid in a Langmuir film studied by electron scattering, Thin Solid Films, 1994, 243, 411-414.

Inhouse Arbeiten

Projekt-/Bachelor-/Masterprojekt- und Masterarbeiten, Promotionen usw.

 

  •  

Doktoranden/Innen

Wael Ali, M.Sc.
Doktorand / Betreuer an der HN: Prof. Dr. Karlheinz Graf

Physikalische Chemie Mitglied ILOC-Institut