Hard carbon microspheres with bimodal size distribution and hierarchical porosity via hydrothermal carbonization of trehalose
Martin Wortmann, Waldemar Keil, Elise Diestelhorst, Michael Westphal, René Haverkamp, Bennet Brockhagen, Jan Biedinger, Laila Bondzio, Christian Weinberger, Dominik Baier, Michael Tiemann, Andreas Hütten, Thomas Hellweg, Günter Reiss, Claudia Schmidt, Klaus Sattler, Natalie Frese
RSC Advances 2023, 13, 14181

"Red carbon": A rediscovered covalent crystalline semiconductor
Mateusz Odziomek, Paoloa Giusto, Janina Kossmann, Nadezda V. Tarakina, Julian Heske, Salvador M. Rivadeneira, Waldemar Keil, Claudia Schmidt, Stefano Mazzanti, Oleksandr Savateev, Lorena Perdigon-Toro, Dieter Neher, Thomas D. Kühne, Markus Antonietti, Nieves Lopez-Salas
Advanced Materials 2022, 34, 2206405

The structure of water in silica mesopores - Influence of the pore wall polarity
Christian Weinberger, Frederik Zysk, Marc Hartmann, Navee K. Kaliannan, Waldemar Keil, Thomas D. Kühne, Michael Tiemann
Adv. Mat. Interfaces 2022, 9, 2200245

Thermostable water reservoirs in the interlayer space of a sodium hectorite clay through the intercalation of γ-aminopropyl(dimethyl)ethoxysilane in toluene
Waldemar Keil, Kai Zhao, Arthur Oswald, Wolfgang Bremser, Claudia Schmidt, Horst Hintze-Bruening
Phys. Chem. Chem. Phys. 2022, 24, 477

Pyrolysis of sucrose-derived hydrochar
Martin Wortmann, Waldemar Keil, Bennet Brockhagen, Jan Biedinger, Michael Westphal, Christian Weinberger, Elise Diestelhorst, Wiebke Hachmann, Yanjing Zhao, Michael Tiemann, Günther Reiss, Bruno Hüsgen, Claudia Schmidt, Klaus Sattler, Natalie Frese
Journal of Analytical and Applied Pyrolysis 2022, 161, 105404

Anomalous bulk diffusion of methylene diphenyl diisocyanate in silicone elastomer
Martin Wortmann, Klaus Viertel, Alexander Welle, Waldemar Keil, Natalie Frese, Wiebke Hachmann, Philipp Krieger, Johannes Brikmann, Claudia Schmidt, Elmar Moritzer, Bruno Hüsgen
International Journal of Heat and Mass Transfer 2021, 177, 121536

The Deterioration Mechanism of Silicone Molds in Polyurethane Vacuum Casting
Martin Wortmann, Natalie Frese, Waldemar Keil, Johannes Brikmann, Jan Biedinger, Bennet Brockhagen, Günter Reiss, Claudia Schmidt, Armin Gölzhäuser, Elmar Moritzer, and Bruno Hüsgen
ACS Applied Polymer Materials 2020, 2, 4719 (doi: 10.1021/acsapm.0c00744)

Chemical and Morphological Transition of Poly(acrylonitrile)/Poly(vinylidene Fluoride) Blend Nanofibers during Oxidative Stabilization and Incipient Carbonization
Martin Wortmann, Natalie Freese, Al Mamun, Marah Trabelsi, Waldemar Keil, Björn Büker, Ali Javed, Michael Tiemann, Elmar Moritzer, Andrea Ehrmann, Andreas Hütten, Claudia Schmidt, Armin Gölzhäuser, Bruno Hüsgen, and Lilia Sabantina
Nanomaterials 2020, 10, 1210 (doi: 10.3390/nano10061210)

Straightforward Immobilization of Phosphonic Acids and Phosphoric Acid Esters on Mesoporous Silica and Their Application in an Asymmetric Aldol Reaction
Christian Weinberger, Tatjana Heckel, Patrick Schnippering, Markus Schmitz, Anpeng Guo, Waldemar Keil, Heinrich C. Marsmann, Claudia Schmidt, Michael Tiemann, and Rene Wilhelm
Nanomaterials 2019, 9, 249 (doi: 10.3390/nano9020249)

Nematic order parameter via a Haller analysis of ¹H NMR spectra
Ming-Xue Tang and Claudia Schmidt
Chinese Journal of Magnetic Resonance 2019, 36, 138 (doi: 10.11938/cjmr20182685)

The twofold role of 12-hydroxyoctadecanoic acid (12-HOA) in a ternary water-surfactant-12-HOA system: gelator and co-surfactant
Katja Steck, Claudia Schmidt, and Cosima Stubenrauch
Gels 2018, 4, 78 (doi: 10.3390/gels4030078)

Multilamellar vesicle formation probed by rheo-NMR and rheo-SALS under large amplitude oscillatory shear
Stefan Kuczera, Luigi Gentile, Timothy Brox, Ulf Olsson, Claudia Schmidt, and Petrik Galvosas
Langmuir 2018, 34, 8314-8325

Gelled lyotropic liquid crystals
Yang Xu, Michaela Laupheimer, Natalie Preisig, Thomas Sottmann, Claudia Schmidt, and Cosima Stubenrauch
Langmuir 2015, 31, 8589-8598

Colloidal gels formed by dilute aqueous dispersions of surfactant and fatty alcohol
F. Grewe, J. Ortmeyer, R. Haase, and C. Schmidt
in: Colloid Process Engineering, pp. 21-44, ed. by M. Kind, W. Peukert, H. Rehage, and H. Schuchmann, Springer, 2015

Rheo-nuclear magnetic resonance spectroscopy: a versatile toolbox to investigate rheological phenomena in complex fluids 
C. Schmidt
Spectroscopy Europe 2014, 26(6)

Embedding DNA in surfactant mesophases: The phase diagram of the ternary system dodecyltrimethylammonium–DNA/monoolein/water in comparison to the DNA-free analogue 
A. Bilalov, J. Elsing, E. Haas, C. Schmidt and U. Olsson
J. Colloid Interface Sci. 2013, 394, 360-367

Self-assembled nanoparticles of modified chitosan conjugates for the sustained release of DL-alpha-tocopherol
J. Perez Quinones, K. V. Gothelf, J. Kjems, Ch. Yang, A. M. Heras Caballero, C. Schmidt and C. Peniche Covas
Carbohydrate Polymers 2013, 92, 856-864

Novel self-assembled nanoparticles of testosterone-modified glycol chitosan and fructose chitosan for controlled release
J. Perez Quinones, K. V. Gothelf, J. Kjems, A. Heras, C. Schmidt and C. Peniche
Journal of Biomaterials and Tissue Engineering 2013, 3, 164-172

N,O6-partially acetylated chitosan nanoparticles hydrophobically-modified for controlled release of steroids and vitamin E
J. Perez Quinones, K. V. Gothelf, J. Kjems, A. M. Heras Caballero, C. Schmidt, and C. Peniche Covas
Carbohydrate Polymers 2013, 91, 143-151

Transient and Steady-State Shear Banding in a Lamellar Phase as Studied by Rheo-NMR
B. Medronho, U. Olsson, C. Schmidt, and P. Galvosas
Zeitschr. f. Physikal. Chemie 2012, 226, 1293-1314

Structural Evolution in the Isotropic Channel of a Water−Nonionic Surfactant System That Has a Disconnected Lamellar Phase: A 1H NMR Self-Diffusion Study
C. Stubenrauch, F. Kleinschmidt, and C. Schmidt
Langmuir 2012, 28, 9206-9210

Kinetics of the Grating Formation in Holographic Polymer-Dispersed Liquid Crystals: NMR Measurement of Diffusion Coefficients
M. Tang, A. Redler, D. Topgaard, C. Schmidt, and H.-S. Kitzerow
Colloid Polym. Sci. 2012, 290, 751-755

Self-Assembled Nanoparticles of Glycol Chitosan-Ergocalciferol Succinate Conjugate for Controlled Release
J. Perez-Quinones, K. V. Gothelf, J. Kjems, A. M. H. Caballero, C. Schmidt and C. Peniche Covas
Carbohydrate Polymers 2012, 88, 1373–1377

Molecular Recognition with 2,4-Diaminotriazine-Functionalized Colloids
F. M. Bayer, M. Tang, R. Michels, C. Schmidt and K. Huber
Langmuir 2011, 27, 12851-12858

Effect of shear on vesicle and lamellar phases of DDAB/lecithin ternary systems
M. Youssry, L Coppola, I. Nicotera and C. Schmidt
J. Coll. Interface Sci. 2011, 358, 506-512

Novel drug delivery systems: Chitosan conjugates covalently attached to steroids with potential anticancer and agrochemical activity
J. Perez Quinones, R. Szopko, C. Schmidt and C. Peniche Covas
Carbohydrate Polymers 2011, 84, 858-864

Planar lamellae and onions: a spatially resolved rheo-NMR approach to the shear-induced structural transformations in a surfactant model system
B. Medronho, J. Brown, M. G. Miguel, C. Schmidt, U. Olsson and P. Galvosas
Soft Matter 2011, 7, 4938-4947

Homogeneous length scale of shear-induced multilamellar vesicles studied by diffusion NMR
I. Aslund, B. Medronho, D. Topgaard, O. Söderman and C. Schmidt
J. Magn. Reson. 2011, 209, 291-299

Shear-Induced Defect Formation in a Nonionic Lamellar Phase
B. Medronho, M. Rodrigues, M. G. Miguel, U. Olsson and C. Schmidt
Langmuir 2010, 26, 11304-11313

Size Determination of Shear-Induced Multilamellar Vesicles by Rheo-NMR Spectroscopy
B. Medronho, C. Schmidt, U. Olsson and M. G. Miguel
Langmuir 2010, 26, 1477-1481

Shear-Induced Transitions between a Planar Lamellar Phase and Multilamellar Vesicles: Continuous versus Discontinuous Transformation
B. Medronho, S. Shafaei, R. Szopko, M. G. Miguel, U. Olsson, and C. Schmidt Langmuir 2008, 24, 6480-6486

Manifestation of Berry's Phase in NQR Spectra of Rotating Powder Samples
N. Sinyavsky, M. Maćkowiak, and C. Schmidt
Z. Naturf. 2008, 63A, 81-87

Director Orientation of Nematic Side-Chain Liquid Crystalline Polymers Shear Flow: Comparison of a Flow-Aligning and a Non-FLow-Aligning Polysiloxane
H. Siebert, I. Quijada-Garrido, J. Vermant, L. Noirez, W. R. Burghardt, C. Schmidt
Macromol. Chem. Phys. 2007, 208, 2173-2188

Coexisting Lamellar Phases in Water-Oil-Surfactant Systems Induced by the Addition of an Amphiphilic Block Copolymer
Ch. Frank, R. Strey, C. Schmidt, and C. Stubenrauch
J. Coll. Interface Sci. 2007, 312, 76-86

Rheo-NMR Spectroscopy
C. Schmidt
in "Modern Magnetic Resonance, Part 3, Applications in Materials, Food and Marine Sciences", pp. 1495-1501, ed. by G. A. Webb, Springer, New York 2006.

Lyotropic Lamellar Polysiloxanes with Isomeric Amphiphilic Side Chains
D. Burgemeister, T. Farrell, and C. Schmidt
Macromol. Chem. Phys. 2006, 207, 396-403

Lamellar Liquid Single Crystal Hydrogel: Synthesis and Investigation of Anisotropic Water Diffusion and Swelling
F. Kleinschmidt, M. Hickl, K. Saalwächter, C. Schmidt and H. Finkelmann
Macromolecules 2005, 38, 9772-9782

Shear-Induced Order in Nematic Polymers
P. Becker, H. Siebert, L. Noirez, and C. Schmidt
Macromol. Symp. 2005, 220, 111-122
(Proceedings of the 22nd IUPAC International Discussion Conference "Spectroscopy of Partially Ordered Macromolecular Systems", July 21-24, 2003, Prague)

Director Reorientation of a Side-Chain Liquid Crystalline Polymer under Extensional Flow
R. J. Cormier, C. Schmidt, and P. T. Callaghan
J. Rheol. 2004, 48, 881-894

A New Approach to Lamellar Phases (L_alpha) in Water-Nonionic Surfactant Systems
C. Stubenrauch, S. Burauer, R. Strey, and C. Schmidt
Liquid Crystals 2004, 31, 39-53.

Deuterium NMR Study of Slow Relaxation Dynamics in a Polymer-Like Micelles System after Flow-Induced Orientation
R. Angelico, D. Burgemeister, A. Ceglie, U. Olsson, G. Palazzo, and C. Schmidt, J. Phys. Chem. B 2003, 107, 10325-10328.

Phase Behavior of n-Alkylsubstituted Polysilanes
C. Mueller, C. Peter, H. Frey, and C. Schmidt,
in: Silicon Chemistry: From the Atom to Extended Systems, ed. by P. Jutzi, U. Schubert, Wiley-VCh, Weinheim 2003.

In situ Deuteron NMR Investigations of Sheared Liquid Crystalline Polymers
H. Siebert, P. Becker, I. Quijada-Garrido, D. A. Grabowski, and C. Schmidt
 Solid State Nucl. Magn. Reson. 2002, 22, 311-326.

Lyotropic Mesophases Next to Highly Efficient Microemulsions: A 2H NMR Study
C. Stubenrauch, C. Frank, R. Strey, D. Burgemeister, and C. Schmidt
Langmuir 2002, 18, 5027-5030.

Shear Flow of Lamellar Polymer Surfactants
D. Burgemeister and C. Schmidt
Progress Coll. Polym. Sci 2002, 121, 95-100.

Solitons and Production of Defects in Flow-Aligning Nematic Liquid Crystals under Simple Shear Flow
Y. Yang, K. Luo, C. Schmidt, and C. Peter
Progress in Natural Science 2002, 12, 188-197.

Evaluation of the Viscoelastic Properties of a Nematic Dimer by Cone-and-Plate Rheo-NMR Spectroscopy and Comparison with Leslie-Ericksen Theory
M. Lukaschek, G. Kothe, C. Schmidt, A. E. Gomes und A. Polimeno
J. Chem. Phys. 2002, 117, 4550-4556.

Phase Structure and Flow Properties of Liquid Crystal Side Chain Polymers
P. Becker, C. Schmidt, and L. Noirez
Polymeric Materials: Science and Engineering 2001, 84, 568-569

Rheology and NMR Measurements under Shear of Sodium Dodecyl Sulfate/Decanol/Water Nematics
T. Thiele, J.-F. Berret, S. Müller, and C. Schmidt
J. Rheol. 2001, 45(1), 29-48.

Flow Behavior of Two Side-Chain Liquid Crystal Polymers Studied by Transient Rheology
I. Quijada-Garrido, H. Siebert, C. Friedrich, and C. Schmidt
Macromolecules 2000, 33(10), 3844-3854.

Polymorphism and Molecular Mobility of Polysilanes and Poly(silylenemethylene)s
C. Mueller, C. Schmidt, F. Koopmann, and H. Frey
in: Organosilicon Chemistry IV - From Molecules to Materials (Eds. N. Auner, J. Weis), Wiley-VCH, Weinheim, 2000, pp. 55

Rheo-optical Investigations of Lyotropic Mesophases of Polymeric Surfactants
G. Schmidt, S. Müller, C. Schmidt, and W. Richtering
Rheologica Acta 1999, 38, 486-494.

Transient Rheological Behavior of Tumbling Side-Chain Liquid Crystal Polymers and Determination of Their lambda Parameters
I. Quijada-Garrido, H. Siebert, P. Becker, C. Friedrich, and C. Schmidt
Rheologica Acta 1999, 38, 495-502.

Shear-Induced States of Orientation of the Lamellar Phase of C12E4/Water
S. Müller, C. Boerschig, W. Gronski, C. Schmidt, and D. Roux
Langmuir 1999, 15, 7558-7546.

Determination of Orientational Distributions from ²H NMR Data by a Regularization Method
J. Winterhalter, D. Maier, D. A. Grabowski, J. Honerkamp, S. Müller, C. Schmidt
J. Chem. Phys 1999, 110, 4035.

Phase Behaviour of Poly(di-n-decylsilane)
C. Mueller, H. Frey, and C. Schmidt
Monatshefte f. Chemie 1999, 130, 175.

Magnetic Resonance
C. Schmidt and H. W. Spiess
 in: Handbook of Liquid Crystals, Vol. 1, Wiley-VCH Verlag, Weinheim 1998, p. 595.

Shear Orientation of Lyotropic Hexagonal Phases
G. Schmidt, S. Müller, P. Lindner, C. Schmidt, and W. Richtering
J. Phys. Chem B 1998, 102, 507.

Rheo-NMR Study of a Non-Flow-Aligning Side-Chain Liquid Crystal Polymer in Nematic Solution
H. Siebert, D. A. Grabowski, and C. Schmidt
Rheol. Acta 1997, 36, 618.

Solid-like Director Reorientation in Sheared Hexagonal Lyotropic Liquid Crystals as Studied by Nuclear Magnetic Resonance
S. Müller, P. Fischer, and C. Schmidt
J. Physique II France 1997, 7, 421.

Liquid Single Crystal Elastomers
H. Finkelmann, S. Disch, and C. Schmidt,
in: Polymeric Materials Encyclopedia 1996, Vol. 5, p. 3794.

Solid-State-NMR Investigation of C1-Deuterated Poly(di-n-hexylsilylene)
C. Mueller, H. Frey, and C. Schmidt
Macromolecules 1996, 29, 3320.

Lamellar Lyomesophases under Shear as Studied by Deuterium Nuclear Magnetic Resonance
M. Lukaschek, S. Müller, A. Hasenhindl, D. A. Grabowski, and C. Schmidt
Colloid Polym. Sci. 1996, 274, 1.

Shear-Induced Alignment of a Hexagonal Lyotropic Liquid Crystal as Studied by Rheo-NMR
M. Lukaschek, D. A. Grabowski, and C. Schmidt
Langmuir 1995, 11, 3590.

Amphiphilic Liquid-Crystalline Networks - Phase behaviour and alignment by mechanical fields
P. Fischer, C. Schmidt, and H. Finkelmann
Macromol. Rapid Commun. 1995, 16, 435.

Orientation and Motion of Tetrahydrofuran in Graphite Intercalation Compounds: Proton NMR studies of Cs(THF)1.3C24 and K(THF)2.5C24
C. Schmidt, M. E. Rosen, D. F. Caplan, A. Pines, and M.-F. Quinton
J. Phys. Chem. 1995, 99, 10565

Nematic Elastomers beyond the Critical Point
S. Disch, C. Schmidt, and H. Finkelmann
Macromol. Rapid Commun. 1994, 15, 303.

Simultaneous Measurement of Shear Viscosity and Director Orientation of a Side-Chain Liquid-Crystalline Polymer by Rheo-NMR
D. A. Grabowski and C. Schmidt
Macromolecules 1994, 27, 2632.

A Doubly Branched Nonionic Oligooxyethylene V Amphiphile: Effect of Molecular Geometry on Liquid-Crystalline Phase Behavior. 3.
K. Kratzat, C. Schmidt und H. Finkelmann
 J. Coll. Interface Sci. 1994, 163, 190 - 198

Deuteron NMR Study on the Lyomesophases of Nonionic Surfactants: Quadrupole Splittings of Hexaethylene Glycol Dodecyl Methyl Ether
W. Schnepp, C. Schmidt und H. Finkelmann
Prog. Colloid Polym. Sci. 1993, 93, 354 - 355.

Conformational Order of Amphiphilic Chain Molecules in Lyotropic Liquid-Crystalline Phases
W. Schnepp und C. Schmidt
Ber. Bunsenges. Phys. Chem. 1994, 98, 248 - 252.

²H NMR Study on the Lyomesophases of the System Hexaethylene Glycol Dodecyl Methyl Ether/Water: Temperature Dependence of Quadrupole Splittings
W. Schnepp, S. Disch und C. Schmidt
Liq. Cryst. 1993, 14, 843 - 852.

Two-Dimensional Proton NMR Studies of the Conformations and Orientations of n-Alkanes in a Liquid Crystal Solvent
M. E. Rosen, S. P. Rucker, C. Schmidt und A. Pines
J. Phys. Chem. 1993, 97, 3858 - 3866.

Two-Dimensional NMR Studies of Flexible Molecules in Liquid Crystals: Orientational Order and Conformational Probabilities of n-Hexane
M. Gochin, A. Pines, M. E. Rosen, S. P. Rucker und C. Schmidt
Mol. Phys. 1990, 69, 671 - 695

Magnetic-Field-Induced Orientation of Crystallites in Powders of Intercalation Compounds Detected by NMR
T. K. Halstead, C. Schmidt, H. W. Spiess, R. Schöllhorn, W. Müller-Warmuth und H. Möller
J. Phys. Chem. 1988, 92, 7167 - 7168.

 Deuteron Two-Dimensional Exchange NMR in Solids
C. Schmidt, B. Blümich und H. W. Spiess
J. Magn. Reson. 1988, 79, 269 - 290.

Molecular Motions from Two-Dimensional NMR of Powders: Comparison of Rotational Jumps and Diffusive Reorientations
C. Schmidt, B. Blümich, S. Wefing, S. Kaufmann und H. W. Spiess
Ber. Bunsenges. Phys. Chem. 1987, 91, 1141 - 1145.

Dynamics of Molecular Reorientations: Direct Determination of Rotational Angles from Two-Dimensional NMR of Powders
C. Schmidt, S. Wefing, B. Blümich und H. W. Spiess
Chem. Phys. Lett. 1986, 130, 84 - 90.

Distribution of Correlation Times in Glassy Polymers from Pulsed Deuteron NMR
C. Schmidt, K. J. Kuhn und H. W. Spiess
Progr. Coll. Polym. Sci. 1985, 71, 71 - 76