Department of Chemestry
Publications by Claudia Leopold
| Search: Chemistry Dep. / all Hamburg | |
| 2024 | |
| 170 |
An Investigation on the Relationship between Dust Emission and Air Flow as Well as Particle Size with a Novel Containment Two-Chamber Setup Steffen Wirth, Martin Schöler, Jonas Brügmann, Claudia S. Leopold Pharmaceutics 16, 1088 (17 pp) (2024) |
| 169 |
Investigations on the dustiness of binary acetaminophen - lactose monohydrate powder blends Steffen Wirth, Martin Schöler, Claudia S. Leopold Powder Technology 448, 120317 (10 pp) (2024) |
2023 | |
| 168 |
Co-amorphous systems consisting of indomethacin and the chiral co-former tryptophan: Solid-state properties and molecular mobilities Katharina Holzapfel, Thomas Rades, Claudia S. Leopold International Journal of Pharmaceutics 636, 122840 (2023) |
2022 | |
| 167 |
Co-amorphization of enantiomers - Investigation of the amorphization process, the physical stability and the dissolution behavior Katharina Holzapfel, Jingwen Liu, Thomas Rades, Claudia S. Leopold International Journal of Pharmaceutics 616, 121552 (2022) |
| 166 |
A Novel Two-Chamber Setup for Containment Investigations with Special Focus on the Dustiness of Pharmaceutical Powders Depending on the Airflow Steffen Wirth, Martin Schöler, Jonas Brügmann, Claudia S. Leopold Pharmaceutics 14, 2387 (19 pp) (2022) |
2021 | |
| 165 |
Application of Aquasolv Lignin in ibuprofen-loaded pharmaceutical formulations obtained via direct compression and wet granulation Joana Gil-Chávez, Sidhant Satya Prakash Padhi, Claudia S. Leopold , Irina Smirnova International Journal of Biological Macromolecules 174, 229-239 (2021) |
| 164 |
Pulmonary drug delivery with aerogels: engineering of alginate and alginate-hyaluronic acid microspheres Tamara Athamneh, Adil Amin, Edit Benke, Rita Ambrus, Pavel Gurikov, Irina Smirnova, Claudia S. Leopold Pharmaceutical Development and Technology 26, 509-521 (2021) |
| 163 |
Evaluation of the orally administered calcium alginate aerogel on the changes of gut microbiota and hepatic and renal function of Wistar rats Mohammad A. A. Al-Najjar, Tamara Athamneh, Reem AbuTayeh, Iman Basheti, Claudia S. Leopold , Pavel Gurikov, Irina Smirnova PLoS One 16, e0247633 (18 pp) (2021) |
2020 | |
| 162 |
Dr. Albrecht Sakmann im wohlverdienten Ruhestand Claudia S. Leopold CU - Chemie UniHamburg - Die Mitarbeiterzeitung (27) 30-30 (2020) |
| 161 |
Stabilizing and destabilizing effects of drug-excipient interactions in spray-dried, freeze-dried, and granulated Sennae fructus extracts Kira-Isabel Zier, Wulf Schultze, Uta Sazama, Michael Fröba , Claudia S. Leopold Drying Technology 38, 1882-1890 (2020) |
| 160 |
A novel approach to avoid capping and/or lamination by application of external lower punch vibration Alexander Kalies, Thomas Heinrich, Claudia S. Leopold International Journal of Pharmaceutics 580, 119195 (2020) |
| 159 |
Effect of Pullulan as Additive to the Synthetic Polymeric Coating Blend Eudragit NM-L55 on the Properties of the Resulting Films Pirijanka Sriganaranjan, Claudia S. Leopold Journal of Pharmaceutical Sciences 109, 2166-2172 (2020) |
2019 | |
| 158 |
Performance Characteristics of a Novel Vibration Technique for the Densification of a Powder Bed within a Die of a Rotary Tablet Press - a Proof of Concept Alexander Kalies, Hüseyin Özcoban, Claudia S. Leopold AAPS PharmSciTech 20, 148 (9 pp) (2019) |
| 157 |
Comparison of two paddle wheel geometries within the filling chamber of a rotary tablet press feed frame with regard to the distribution behavior of a model powder and the influence on the resulting tablet mass Kym P. Dühlmeyer, Hüseyin Özcoban, Claudia S. Leopold Drug Development and Industrial Pharmacy 45, 1233-1241 (2019) |
| 156 |
The effect of different feed frame components on the powder behavior and the residence time distribution with regard to the continuous manufacturing of tablets Matthias Dülle, Hüseyin Özcoban, Claudia S. Leopold International Journal of Pharmaceutics 555, 220-227 (2019) |
| 155 |
In situ co-amorphisation in coated tablets - The combination of carvedilol with aspartic acid during immersion in an acidic medium Ina Petry, Korbinian Löbmann, Holger Grohganz, Thomas Rades, Claudia S. Leopold International Journal of Pharmaceutics 558, 357-366 (2019) |
| 154 |
Influence of the feed frame design on the powder behavior and the residence time distribution Matthias Dülle, Hüseyin Özcoban, Claudia S. Leopold International Journal of Pharmaceutics 565, 523-532 (2019) |
| 153 |
Alginate and hybrid alginate-hyaluronic acid aerogel microspheres as potential carrier for pulmonary drug delivery Tamara Athamneh, Adil Amin, Edit Benke, Rita Ambrus, Claudia S. Leopold , Pavel Gurikov, Irina Smirnova Journal of Supercritical Fluids 150, 49-55 (2019) |
| 152 |
Combination of a hot-melt subcoating and an enteric coating for moisture protection of hygroscopic Sennae fructus tablets Kira-Isabel Zier, Wulf Schultze, Claudia S. Leopold Pharmaceutical Development and Technology 24, 1210-1217 (2019) |
| 151 |
Application of externally applied lower punch vibration and its effects on tablet manufacturing Alexander Kalies, Hüseyin Özcoban, Claudia S. Leopold Pharmaceutical Research 36, 173 (14 pp) (2019) |
| 150 |
Inline monitoring of the powder filling level within a rotary tablet press feed frame Kym P. Dühlmeyer, Hüseyin Özcoban, Claudia S. Leopold Powder Technology 351, 134-143 (2019) |
2018 | |
| 149 |
Investigation of the tableting behavior of Ibuprofen DC 85 W Claudia Al-Karawi, Thorsten Cech, Florian Bang, Claudia S. Leopold Drug Development and Industrial Pharmacy 44, 1262-1272 (2018) |
| 148 |
Factors influencing the properties and the stability of spray-dried Sennae fructus extracts Kira-Isabel Zier, Wulf Schultze, Claudia S. Leopold Drug Development and Industrial Pharmacy 44, 1659-1667 (2018) |
| 147 |
A novel method for determination of the filling level in the feed frame of a rotary tablet press Kym P. Dühlmeyer, Hüseyin Özcoban, Claudia S. Leopold Drug Development and Industrial Pharmacy 44, 1744-1751 (2018) |
| 146 |
A non-destructive method for quality control of the pellet distribution within a MUPS tablet by terahertz pulsed imaging Anna Novikova, Daniel Markl, J. Axel Zeitler, Thomas Rades, Claudia S. Leopold European Journal of Pharmaceutical Sciences 111, 549-555 (2018) |
| 145 |
Analysis of the powder behavior and the residence time distribution within a production scale rotary tablet press Matthias Dülle, Hüseyin Özcoban, Claudia S. Leopold European Journal of Pharmaceutical Sciences 125, 205-214 (2018) |
| 144 |
A comparative study on the sticking tendency of ibuprofen and ibuprofen sodium dihydrate to differently coated tablet punches Claudia Al-Karawi, Claudia S. Leopold European Journal of Pharmaceutics and Biopharmaceutics 128, 107-118 (2018) |
| 143 |
In situ co-amorphisation of arginine with indomethacin or furosemide during immersion in an acidic medium - A proof of concept study Ina Petry, Korbinian Löbmann, Holger Grohganz, Thomas Rades, Claudia S. Leopold European Journal of Pharmaceutics and Biopharmaceutics 133, 151-160 (2018) |
| 142 |
Undesired co-amorphisation of indomethacin and arginine during combined storage at high humidity conditions Ina Petry, Korbinian Löbmann, Holger Grohganz, Thomas Rades, Claudia S. Leopold International Journal of Pharmaceutics 544, 172-180 (2018) |
| 141 |
Investigations on the residence time distribution of a three-chamber feed frame with special focus on its geometric and parametric setups Matthias Dülle, Hüseyin Özcoban, Claudia S. Leopold Powder Technology 331, 276-285 (2018) |
2017 | |
| 140 |
Kaum zu glauben: Gerda Dammer seit Juni 2017 im "Un"ruhestand Claudia S. Leopold CU - Chemie UniHamburg - Die Mitarbeiterzeitung (22) 21-21 (2017) |
| 139 |
Solid state properties and drug release behavior of co-amorphous indomethacin-arginine tablets coated with Kallicoat® Protect Ina Petry, Korbinian Löbmann, Holger Grohganz, Thomas Rades, Claudia S. Leopold European Journal of Pharmaceutics and Biopharmaceutics 119, 150-160 (2017) |
| 138 |
UV imaging of multiple unit pellet system (MUPS) tablets: A case study of acetylsalicylic acid stability Anna Novikova, Jens M. Carstensen, Thomas Rades, Claudia S. Leopold European Journal of Pharmaceutics and Biopharmaceutics 119, 447-453 (2017) |
| 137 |
Improvement of the physicochemical properties of Co-amorphous naproxen-indomethacin by naproxen-sodium Andreas Beyer, Holger Grohganz, Korbinian Löbmann, Thomas Rades, Claudia S. Leopold International Journal of Pharmaceutics 526, 88-94 (2017) |
| 136 |
A novel technique for the visualization of tablet punch surfaces: Characterization of surface modification, wear and sticking Claudia Al-Karawi, Thomas M. Kaiser , Claudia S. Leopold International Journal of Pharmaceutics 530, 440-454 (2017) |
| 135 |
Multispectral UV Imaging for Determination of the Tablet Coating Thickness Anna Novikova, Jens M. Carstensen, J. Axel Zeitler, Thomas Rades, Claudia S. Leopold Journal of Pharmaceutical Sciences 106, 1560-1569 (2017) |
| 134 |
Novel aspects on the direct compaction of ibuprofen with special focus on sticking Claudia Al-Karawi, Ivana Lukášová, Albrecht Sakmann, Claudia S. Leopold Powder Technology 317, 370-380 (2017) |
2016 | |
| 133 |
Coatings of Eudragit(®) RL and L-55 Blends: Investigations on the Drug Release Mechanism Robert Wulff, Claudia S. Leopold AAPS PharmSciTech 17, 493-503 (2016) |
| 132 |
Rapid Assessment of Tablet Film Coating Quality by Multispectral UV Imaging Marten Klukkert, Jian X. Wu, Jukka Rantanen, Sönke Rehder, Jens M. Carstensen, Thomas Rades, Claudia S. Leopold AAPS PharmSciTech 17, 958-967 (2016) |
| 131 |
Multispectral UV imaging for fast and non-destructive quality control of chemical and physical tablet attributes Marten Klukkert, Jian X. Wu, Jukka Rantanen, Jens M. Carstensen, Thomas Rades, Claudia S. Leopold European Journal of Pharmaceutical Sciences 90, 85-95 (2016) |
| 130 |
Preparation and recrystallization behavior of spray-dried co-amorphous naproxen-indomethacin Andreas Beyer, Lydia Radi, Holger Grohganz, Korbinian Löbmann, Thomas Rades, Claudia S. Leopold European Journal of Pharmaceutics and Biopharmaceutics 104, 72-81 (2016) |
| 129 |
Influence of the colling rate and the blend ratio on the physical stability of co-amorphous naproxen/indomethacin Andreas Beyer, Holger Grohganz, Korbinian Löbmann, Thomas Rades, Claudia S. Leopold European Journal of Pharmaceutics and Biopharmaceutics 109, 140-148 (2016) |
| 128 |
Multispectral
UV imaging for surface analysis of MUPS tablets with special focus on the pellet distribution Anna Novikova, Jens M. Carstensen, Thomas Rades, Claudia S. Leopold International Journal of Pharmaceutics 515, 374-383 (2016) |
| 127 |
Non-destructive quality control of tablets and blister packs by UV imaging Marten Klukkert, Jian X. Wu, Jukka Rantanen, Sönke Rehder, Jens M. Carstensen, Thomas Rades, Claudia S. Leopold PharmInd 78, 108-120 (2016) |
| 126 |
Sennae fructus. Analysis and evaluation of the new draft monographs for the European Pharmacopoeia Kira-Isabel Zier, Wulf Schultze, Albrecht Sakmann, Claudia S. Leopold PharmInd 78, 1650-1669 (2016) |
2015 | |
| 125 |
Mixture design approach for early stage formulation development of a transdermal delivery system Marc Michaelis, Claudia S. Leopold Drug Development and Industrial Pharmacy 41, 1532-1540 (2015) |
| 124 |
Controlled release of acidic drugs in compendial and physiological hydrogen carbonate buffer from polymer blend-coated oral solid dosage forms Robert Wulff, Gerd-Martin Rappen, Grzegorz Garbacz, Mirko Koziolek, Claudia S. Leopold European Journal of Pharmaceutical Sciences 77, 246-253 (2015) |
| 123 |
A Measurement System Analysis with Design of Experiments: Investigation of the Adhesion Performance of a Pressure Sensitive Adhesive with the Probe Tack Test Marc Michaelis, Claudia S. Leopold International Journal of Pharmaceutics 496, 448-456 (2015) |
| 122 |
Influence of Tableting on the Conformation and Thermal Stability of Trypsin as a Model Protein Marten Klukkert, Marco van de Weert, Mathias Fano, Thomas Rades, Claudia S. Leopold Journal of Pharmaceutical Sciences 104, 4314-4321 (2015) |
| 121 |
Influence of base oil polarity on the transient shear flow of biodegradable lubricating grease Martin Fiedler, Rubén Sánchez, Concepción Valencia, Claudia S. Leopold , Erik Kuhn, José M. Franco Lubrication Science 6, 611-627 (2015) |
| 120 |
Multivariate Quantification of the Solid State Phase Composition of Co-Amorphous Naproxen-Indomethacin Andreas Beyer, Holger Grohganz, Korbinian Löbmann, Thomas Rades, Claudia S. Leopold Molecules 20, 19571-19587 (2015) |
2014 | |
| 119 |
Plasticization and antiplasticization of an acrylic pressure sensitive adhesive by ibuprofen and their effect on the adhesion properties Marc Michaelis, Rüdiger Brummer, Claudia S. Leopold European Journal of Pharmaceutics and Biopharmaceutics 86, 234-243 (2014) |
| 118 |
Coatings from blends of Eudragit(®) RL and L55: A novel approach in pH-controlled drug release Robert Wulff, Claudia S. Leopold International Journal of Pharmaceutics 476, 78-87 (2014) |
| 117 |
Chemical imaging and solid state analysis at compact surfaces using UV imaging Jian X. Wu, Sönke Rehder, Frans van den Berg, José Manuel Amigo, Jens Michael Carstensen, Thomas Rades, Claudia S. Leopold , Jukka Rantanen International Journal of Pharmaceutics 477, 527-535 (2014) |
2013 | |
| 116 |
Frau Prof. Leopold zur Vizepräsidentin gewählt [Interview] Claudia S. Leopold , Brita Werner CU - Chemie UniHamburg - Die Mitarbeiterzeitung (14) 14-14 (2013) |
| 115 |
A case study of real-time monitoring of solid-state phase transformations in acoustically levitated particles using near infrared and Raman spectroscopy Sönke Rehder, Jian X. Wu, Julian Laackmann, Hans-Ulrich Moritz , Jukka Rantanen, Thomas Rades, Claudia S. Leopold European Journal of Pharmaceutical Sciences 48, 97-103 (2013) |
| 114 |
High-shear granulation as a manufacturing method for cocrystal granules Sönke Rehder, Niels Peter Aae Christensen, Jukka Rantanen, Thomas Rades, Claudia S. Leopold European Journal of Pharmaceutics and Biopharmaceutics 85, 1019-1030 (2013) |
| 113 |
Evaluation of the suitability of various lubricants for direct compaction of sorbitol tablet formulations Ines Saniocki, Albrecht Sakmann, Claudia S. Leopold Journal of Excipients and Food Chemicals 4, 169-182 (2013) |
| 112 |
Positively Charged Polyethersulfone Membranes: The Influence of Furosemide on the Zeta Potential Claudia S. Leopold , Joanna Gasch, Holger Knoth Journal of Membrane Science & Technology 3, 1000121 (5 pp) (2013) |
| 111 |
How suitable is the Measurement of Take-off forces for Detection of Sticking during Direct Compression of various Ibuprofen Tablet Formulations? Ines Saniocki, Albrecht Sakmann, Claudia S. Leopold Pharmaceutical Development and Technology 18, 257-265 (2013) |
2012 | |
| 110 |
Tableting properties of silica aerogel and other silicates Christina M. Hentzschel, Mohammad Alnaief, Irina Smirnova, Albrecht Sakmann, Claudia S. Leopold Drug Development and Industrial Pharmacy 38, 462-467 (2012) |
| 109 |
Enhancement of griseofulvin release from liquisolid compacts Christina M. Hentzschel, Mohammad Alnaief, Irina Smirnova, Albrecht Sakmann, Claudia S. Leopold European Journal of Pharmaceutics and Biopharmaceutics 80, 130-135 (2012) |
| 108 |
Thermal degradation of amorphous glibenclamide Sönke Rehder, Albrecht Sakmann, Thomas Rades, Claudia S. Leopold European Journal of Pharmaceutics and Biopharmaceutics 80, 203-208 (2012) |
| 107 |
A Novel Process for Coating of Silica Aerogel Microspheres for Controlled Drug Release Applications Mohammad Alnaief, Sergiy Antonyuk, Christina M. Hentzschel, Claudia S. Leopold , Stefan Heinrich, Irina Smirnova Microporous and Mesoporous Materials 160, 167-173 (2012) |
| 106 |
Comparison of traditional and novel tableting excipients - Physical and compaction properties Christina M. Hentzschel, Albrecht Sakmann, Claudia S. Leopold Pharmaceutical Development and Technology 17, 649-653 (2012) |
| 105 |
Influence of the ibuprofen grade on the compaction properties of tablet formulations prepared by direct compression Ines Saniocki, Albrecht Sakmann, Claudia S. Leopold PharmInd 1842-1842 (2012) |
| 104 |
Shellac B. R. Jasti, Claudia S. Leopold , X. Li, M. Penning -/- Editor: Raymond C. Rowe, Paul J. Sheskey, Walter G. Cook, Marian E. Fenton Handbook of Pharmaceutical Excipients, Seventh edition (2012) |
2011 | |
| 103 |
Investigation of drug release from pellets coated with different shellac types Yassin Farag, Claudia S. Leopold Drug Development and Industrial Pharmacy 37, 193-200 (2011) |
| 102 |
Influence of the inlet air temperature in a fluid bed coating process on drug release from shellac-coated pellets Yassin Farag, Claudia S. Leopold Drug Development and Industrial Pharmacy 37, 320-328 (2011) |
| 101 |
Suitability of various excipients as carrier and coating materials for liquisolid compacts Christina M. Hentzschel, Albrecht Sakmann, Claudia S. Leopold Drug Development and Industrial Pharmacy 37, 1200-1207 (2011) |
| 100 |
Development of shellac-coated sustained release pellet formulations Yassin Farag, Claudia S. Leopold European Journal of Pharmaceutical Sciences 42, 400-405 (2011) |
| 99 |
Drug retention by inline filters - Effect of positively charged polyethersulfone filter membranes on drug solutions with low concentration Joanna Gasch, Claudia S. Leopold , Holger Knoth European Journal of Pharmaceutical Sciences 44, 49-56 (2011) |
| 98 |
Drug release from liquisolid systems: speed it up, slow it down Ali Nokhodchi, Christina M. Hentzschel, Claudia S. Leopold Expert Opinion on Drug Delivery 8, 191-205 (2011) |
| 97 |
Gute Frage: Warum werden manche Spirituosen weiß, wenn man Wasser dazugießt? Claudia S. Leopold Hamburger Abendblatt 08.06.2011 (2011) |
| 96 |
Gute Frage: Warum ist Seifenschaum auch bei bunter Seife weiß? Claudia S. Leopold Hamburger Abendblatt 15.06.2011 (2011) |
| 95 |
Investigation of the Formation Process of Two Piracetam Cocrystals during Grinding Sönke Rehder, Marten Klukkert, Korbinian Löbmann, Clare J. Strachan, Albrecht Sakmann, Keith Gordon, Thomas Rades, Claudia S. Leopold Pharmaceutics 3, 706-722 (2011) |
| 94 |
Formation of piracetam-tartaric acid cocrystals during high shear granulation Sönke Rehder, M. Kniese, Albrecht Sakmann, Thomas Rades, Claudia S. Leopold DPhG Jahrestagung 2011, 20.-21. September 2011, Innsbruck, Tagungsband (2011) |
| 93 |
Impact of the lubricant type on compaction and tablet properties of sorbitol formulations Ines Saniocki, Albrecht Sakmann, Claudia S. Leopold DPhG Jahrestagung 2011, 20.-21. September 2011, Innsbruck, Tagungsband (2011) |
2010 | |
| 92 |
Contamination of 0.2-micrometer infusion filters by N,N-dimethylacrylamide Joanna Gasch, Reinhard Oertel, Claudia S. Leopold , Holger Knoth Journal of Critical Care 25, 172.e9-172.e14 (2010) |
| 91 |
Influence of Ibuprofen content on the rheological and thermal behavior of an acrylic pressure sensitive adhesive Marc Michaelis, Claudia S. Leopold DPhG Jahrestagung 2010, 4.-7. Oktober 2010, Braunscheig, Tagungsband T4-4 (2010), ISBN 978-3-927115-66-8 , Publisher: Deutsche Pharmazeutische Gesellschaft, Braunschweig |
| 90 |
Compounding of suspension-type ointments with different homogenizers - a comparative study Claudia S. Leopold , V. A. Michler DPhG Jahrestagung 2010, 4.-7. Oktober 2010, Braunscheig, Tagungsband T050 (2010), ISBN 978-3-927115-66-8 , Publisher: Deutsche Pharmazeutische Gesellschaft, Braunschweig |
| 89 |
Quantification of sticking to the punch surfaces during tablet manufacture - a comparative study Ines Saniocki, Albrecht Sakmann, Claudia S. Leopold DPhG Jahrestagung 2010, 4.-7. Oktober 2010, Braunscheig, Tagungsband T074 (2010), ISBN 978-3-927115-66-8 , Publisher: Deutsche Pharmazeutische Gesellschaft, Braunschweig |
| 88 |
Enhancement of griseofulvin release from liquisolid compacts and optimization thereof Christina M. Hentzschel, Albrecht Sakmann, Claudia S. Leopold DPhG Jahrestagung 2010, 4.-7. Oktober 2010, Braunscheig, Tagungsband T076 (2010), ISBN 978-3-927115-66-8 , Publisher: Deutsche Pharmazeutische Gesellschaft, Braunschweig |
2009 | |
| 87 |
Grundlagen der Pflasterapplikation von Wirkstoffen beim Parkinson-Syndrom Wolfgang H. Jost, Claudia S. Leopold Aktuelle Neurologie 36 (Suppl. 4) S1-S6 (2009) |
| 86 |
Pharmacodynamics
and dermatopharmacokinetics of betamethasone 17-valerate: assessment of topical bioavailability Sandra Wiedersberg, A. Naik, Claudia S. Leopold , Richard H. Guy British Journal of Dermatology 160, 676-686 (2009) |
| 85 |
Physicochemical properties of various shellac types Yassin Farag, Claudia S. Leopold Dissolution Technologies 16, 33-39 (2009) |
| 84 |
Citric acid as a pH-modifying additive in an extended release pellet formulation containing a weakly basic drug Jan Ploen, Jens Andersch, Michael Heschel, Claudia S. Leopold Drug Development and Industrial Pharmacy 35, 1210-1218 (2009) |
| 83 |
Dermatopharmacokinetics of betamethasone 17-valerate: Influence of formulation viscosity and skin surface cleaning procedure Sandra Wiedersberg, Claudia S. Leopold , Richard H. Guy European Journal of Pharmaceutics and Biopharmaceutics 71, 362-366 (2009) |
| 82 |
Effects of Various Vehicles on Skin Hydration in vivo Sandra Wiedersberg, Claudia S. Leopold , Richard H. Guy Skin Pharmacology and Physiology 22, 128-130 (2009) |
2008 | |
| 81 |
Herr Kollege Geffken feierlich verabschiedet Claudia S. Leopold CU - Chemie UniHamburg - Die Mitarbeiterzeitung (6) 3-3 (2008) (Subject: Detlef Geffken) |
| 80 |
Bioavailability and bioequivalence of topical glucocorticoids Sandra Wiedersberg, Claudia S. Leopold , Richard H. Guy European Journal of Pharmaceutics and Biopharmaceutics 68, 453-466 (2008) |
| 79 |
Formulation issues U. F. Schäfer, Bernhard C. Lippold, Claudia S. Leopold -/- Editor: M. S. Roberts, K. A. Walters Drugs and the Pharmaceutical Sciences 177, 117-134 (2008), Publisher: Informa Healthcare, London |
| 78 |
Cetylpalmitat. Cetylis palmitas Claudia S. Leopold Kommentar zum Europäischen Arzneibuch 4 (Monographien C) 6.0/1906 (2008), Publisher: Wissenschaftliche Verlagsgesellschaft, Stuttgart |
2007 | |
| 77 |
Aktuelles zur Pflastertechnologie unter spezieller Berücksichtigung des Rotigotinpflasters Claudia S. Leopold Aktuelle Neurologie 34 (Suppl. 4) S284-S289 (2007) |
2006 | |
| 76 |
Transfer of the experimental methodology described in the FDA guidance for corticosteroid bioequivalence testing to pharmacodynamic effects caused by nicotinates Yvonne Remane, Claudia S. Leopold Journal of Cosmetic Dermatology 5, 289-293 (2006) |
| 75 |
Solid state interactions between the proton pump inhibitor omeprazole and various enteric coating polymers A. Stroyer, James W. McGinity, Claudia S. Leopold Journal of Pharmaceutical Sciences 95, 1342-1353 (2006) |
| 74 |
Percutaneous Penetration of Methyl Nicotinate from Ointments Using the Laser Doppler Technique: Bioequivalence and Enhancer Effects Yvonne Remane, Claudia S. Leopold , Howard I. Maibach Journal of Pharmacokinetics and Pharmacodynamics 33, 719-735 (2006) |
| 73 |
Time of erythema onset after application of methyl nicotinate ointments as response parameter: influence of penetration kinetics and enhancing agents Yvonne Remane, Claudia S. Leopold Skin Pharmacology and Physiology 19, 303-310 (2006) |
| 72 |
Weißes Vaselin Claudia S. Leopold Kommentar zum Europäischen Arzneibuch 9 (Monographien T-Z) 5.0/1799 (2006), Publisher: Wissenschaftliche Verlagsgesellschaft, Stuttgart |
2005 | |
| 71 |
Degradation of omeprazole induced by enteric polymer solutions and aqueous dispersions: HPLC investigations Anke Riedel, Claudia S. Leopold Drug Development and Industrial Pharmacy 31, 151-160 (2005) |
| 70 |
Quantification of omeprazole degradation by enteric coating polymers: an UV-VIS spectroscopy study Anke Riedel, Claudia S. Leopold Pharmazie 60, 126-130 (2005) |
| 69 |
Percutaneous Penetration of Local Anesthetics: Pharmacodynamic measurements Claudia S. Leopold , Howard I. Maibach Joint Meeting SCUR (32 th Annual Meeting) & ISP 2005, Germany, Hamburg June 1-4, 2005 (2005) |
| 68 |
Poly(vinylalkohol). Poly(alcohol vinylicus) Claudia S. Leopold Kommentar zum Europäischen Arzneibuch 8 (Monographien P-S) 5.0/1961 (2005), Publisher: Wissenschaftliche Verlagsgesellschaft, Stuttgart |
| 67 |
Poly(vinylacetat). Poly(vinylis acetas) Claudia S. Leopold Kommentar zum Europäischen Arzneibuch 8 (Monographien P-S) 5.0/1962 (2005), Publisher: Wissenschaftliche Verlagsgesellschaft, Stuttgart |
2004 | |
| 66 |
Effect of cutaneously applied nonionic surfactants and local anesthetic bases on thermal sensations Claudia S. Leopold , Howard I. Maibach Pharmazie 59, 50-54 (2004) |
| 65 |
Sugar beads versus Cellets® as starter cores for drug layering and coating - Critical process parameters for the fluid bed apparatus Mini-Glatt Anke Riedel, Claudia S. Leopold Proceedings of the International Meeting on Pharmaceutics, Biopharmaceutics and Pharmaceutical Technology, Nuremberg 63-64 (2004) |
| 64 |
Quantification of the erythema and temperature response induced by cutaneously applied methyl nicotinate ointments according to the FDA Guidance for bioequivalence testing Yvonne Remane, Claudia S. Leopold Proceedings of the International Meeting on Pharmaceutics, Biopharmaceutics and Pharmaceutical Technology, Nuremberg 189-190 (2004) |
| 63 |
Influence of penetration kinetics on the determination of the relative bioavailability of corticosteroid formulations with the skin blanching assay Sandra Wiedersberg, Claudia S. Leopold Proceedings of the International Meeting on Pharmaceutics, Biopharmaceutics and Pharmaceutical Technology, Nuremberg 409-410 (2004) |
| 62 |
Quantification of the cutaneous betamethasone-17-valerate and methyl nicotinate penetration according to the FDA Guidance "Topical Dermatologic Corticosteroids" Sandra Wiedersberg, Yvonne Remane, Claudia S. Leopold Proceedings of the International Symposium on Controlled Release of Bioactive Materials 31, #294 (2004) |
| 61 |
An extended release pellet formulation of propiverine hydrochloride prepared by fluid bed coating Jan Ploen, Jens Andersch, D. Pamperin, Claudia S. Leopold Proceedings of the International Symposium on Controlled Release of Bioactive Materials 31, #399 (2004) |
2003 | |
| 60 |
Pharmacokinetic analysis of the FDA guidance for industry- Topical dermatologic corticosteroids: in vivo bioequivalence Claudia S. Leopold European Journal of Pharmaceutics and Biopharmaceutics 56, 53-58 (2003) |
| 59 |
A pharmacokinetic model for analysis of the pilot study described in the FDA Guidance "Topical Dermatologic Corticosteroids: In Vivo Bioequivalence" Sandra Wiedersberg, Claudia S. Leopold Proceedings of the International Symposium on Controlled Release of Bioactive Materials 30, #124 (2003) |
2002 | |
| 58 |
PVAC (Corixa/Genesis/Medicis) Claudia S. Leopold , Howard I. Maibach Current Opinion in Investigational Drugs 3, 1604-1607 (2002) |
| 57 |
Wirkungsmessungen zur Charakterisierung von Vehikelsystemen in vivo Claudia S. Leopold Swiss Pharma 24, 6-9 (2002) |
| 56 |
The effect of enteric polymers on omeprazole degradation Anke Riedel, Claudia S. Leopold 4th World Meeting on Pharmaceutics Biopharmazeutics Pharmaceutical Technology. Florence 8 to 11 April 2002, 331-332 (2002) Alternative Source Name: 48th Annual Congress of APV; APGI 10th International Conference on Pharmaceutical Technology |
| 55 |
Dissolution pH of enteric coating polymers Tanja Schmidt-Mende, Claudia S. Leopold , Bernhard C. Lippold 4th World Meeting on Pharmaceutics Biopharmazeutics Pharmaceutical Technology. Florence 8 to 11 April 2002, 599-600 (2002) Alternative Source Name: 48th Annual Congress of APV; APGI 10th International Conference on Pharmaceutical Technology |
2001 | |
| 54 |
Formulierung von HIV-Protease-Hemmern: Pharmazeutisch-technologische und biopharmazeutische Aspekte bei HIV-Protease-Inhibitoren (Formulation of HIV protease inhibitors. Pharmaceutical technology and biopharmaceutic aspects of HIV protease inhibitors) Claudia S. Leopold Pharmazie in Unserer Zeit 30, 234-239 (2001) |
| 53 |
The effect of penetration kinetics on the results of the pilot study described in the FDA guidance "Topical Dermatologic Corticosteroids: In Vivo Bioequivalence" Claudia S. Leopold Proceedings - 28th International Symposium on Controlled Release of Bioactive Materials and 4th Consumer & Diversified Products Conference, San Diego, CA, United States, June 23-27, 2001, 1, 157-158 (2001) |
| 52 |
The effect of penetration kinetics on the results of the pilot study described in the FDA Guidance "Topical Dermatologic Corticosteroids: In vivo Bioequivalence" Claudia S. Leopold Proceedings of the International Symposium on Controlled Release of Bioactive Materials 28, #5004 (2001) |
| 51 |
A practical approach in the design of colon-specific drug delivery systems Claudia S. Leopold -/- Editor: Molema I. Methods and Principles in Medicinal Chemistry 12 (Drug Targeting) 157-170 (2001), Publisher: Wiley-VCH, Weinheim |
2000 | |
| 50 |
Dickdarm-Targeting: Modeerscheinung oder technologische Herausforderung? Claudia S. Leopold Apotheken-Magazin 18, 8-12 (2000) |
| 49 |
Basic coating polymers for the colon-specific drug delivery in inflammatory bowel disease Claudia S. Leopold , Dorothee Eikeler Drug Development and Industrial Pharmacy 26, 1239-1246 (2000) |
| 48 |
The effect of cream and ointment bases on the steady state penetration of permeants through intact skin: the reciprocal of the onset time of a pharmacodynamic effect as parameter of response Claudia S. Leopold International Journal of Cosmetic Science 22, 133-145 (2000) |
| 47 |
Measurement of the pharmacodynamic response to characterize topically applied ointment formulations - What has to be considered? Claudia S. Leopold 3rd World Meeting on Pharmaceutics Biopharmazeutics Pharmaceutical Technology. Berlin 3 to 6 April 2000 649-650 (2000) Alternative Source Name: 46th Annual Congress of APV; APGI 9th International Conference on Pharmaceutical Technology |
| 46 |
Influence
of local anesthetic bases on the penetration of the model corticosteroid betamethasone 17-benzoate: In-vivo and in-vitro investigations Christian Römmen, Claudia S. Leopold , Bernhard C. Lippold 3rd World Meeting on Pharmaceutics Biopharmazeutics Pharmaceutical Technology. Berlin 3 to 6 April 2000 651-652 (2000) Alternative Source Name: 46th Annual Congress of APV; APGI 9th International Conference on Pharmaceutical Technology |
| 45 |
Pharmacokinetic analysis of the FDA Guidance for Industry "Topical Dermatologic Corticosteroids: In vivo Bioequivalence" Claudia S. Leopold Archiv der Pharmazie 333 (Supplement 2) 16-16 (D 2.22) (2000) (Jahrestagung der Deutschen Pharmazeutischen Gesellschaft e.V. "Bilanz 2000" vom 4. bis 7. Oktober 2000 in Münster. Kurzfassungen zu den Beiträgen) |
| 44 |
Drug diffusion through films of enteric coating materials - Comparison of free films with film-coated mini tablets Tanja Schmidt-Mende, Claudia S. Leopold , Bernhard C. Lippold European Journal of Pharmaceutical Sciences 11 (Supplement 1) S53-S54 (PO 77) (2000) |
| 43 |
A novel pharmacodynamic approach to investigate the percutaneous penetration of local anesthetic bases Claudia S. Leopold , Howard I. Maibach Millennial World Congress of Pharmaceutical Sciences, San Francisco, 2000, Proceedings 59 (2000) |
1999 | |
| 42 |
Do local anesthetics have an influence on the percutaneous penetration of a model corticosteroid? An in vivo study using the vasoconstrictor assay Christian Römmen, Claudia S. Leopold , Bernhard C. Lippold European Journal of Pharmaceutical Sciences 9, 227-234 (1999) |
| 41 |
Percutaneous penetration of local anesthetic bases: pharmacodynamic measurements Claudia S. Leopold , Howard I. Maibach Journal of Investigative Dermatology 113, 304-307 (1999) |
| 40 |
The maximum pharmacodynamic effect as a response parameter: pharmacokinetic considerations Claudia S. Leopold Journal of Pharmacy and Pharmacology 51, 999-1008 (1999) |
| 39 |
"Targeted Delivery" in den Gastrointestinaltrakt (Targeted delivery to the intestine) Claudia S. Leopold Medizinische Klinik 94 (Supplement 1) 6-11 (1999) |
| 38 |
DDK mit humanem Stratum corneum Christian Römmen, Claudia S. Leopold , Bernhard C. Lippold Mettler UserCom 1, 19-21 (1999) |
| 37 |
Coated dosage forms for colon-specific drug delivery Claudia S. Leopold Pharmaceutical Science & Technology Today 2, 197-204 (1999) |
| 36 |
Bedeutung der Formulierung für die Wirkstoffverfügbarkeit am Beispiel des Dickdarm-Targeting und der kutanen Penetration Claudia S. Leopold Habilitationsschrift, Düsseldorf (1999) |
| 35 |
pH-dependent drug diffusion through free films of enteric coating materials Tanja Schmidt-Mende, Bernhard C. Lippold, Claudia S. Leopold Archiv der Pharmazie 332 (Supplement 2) 41-41 (156) (1999) (Jahrestagung der Deutschen Pharmazeutischen Gesellschaft e.V. vom 6. bis 9. Oktober 1999 in Frankfurt/M) |
| 34 |
Do local anesthetics affect the penetration of betamethasone 17-benzoate through isolated bovine udder skin? Christian Römmen, Claudia S. Leopold , Bernhard C. Lippold Proceedings of the International Symposium on Controlled Release of Bioactive Materials 26, 371-372 (1999) |
| 33 |
Percutaneous penetration of local anesthetic bases: pharmacodynamic measurements Claudia S. Leopold , Howard I. Maibach Proceedings of the International Symposium on Controlled Release of Bioactive Materials 26, 439-440 (1999) |
1998 | |
| 32 |
Quantification of depletion in solution-type topical preparations in vivo Claudia S. Leopold Journal of Cosmetic Science 49, 165-174 (1998) |
| 31 |
Eudragit(®) E as coating material for the pH-controlled drug release in the tropical treatment of inflammatory bowel disease (IBD) Claudia S. Leopold , Dorothee Eikeler Journal of Drug Targeting 6, 85-94 (1998) |
| 30 |
How accurate is the determination of the relative bioavailability of transdermal drug formulations from pharmacodynamic response data? Claudia S. Leopold Pharmaceutica Acta Helvetiae 73, 63-67 (1998) |
| 29 |
Basic polymers as coating materials for the pH-controlled drug delivery in inflammatory colonic disorders - An in vitro assessment Claudia S. Leopold , Dorothee Eikeler 2nd World Meeting on Pharmaceutics Biopharmazeutics Pharmaceutical Technology. Paris 25 to 28 May 1998, 363-364 (1998) Alternative Source Name: 44th Annual Congress of APV; APGI 8th International Conference on Pharmaceutical Technology |
| 28 |
Dissociation constants of enteric coating polymers Tanja Schmidt-Mende, Claudia S. Leopold , Bernhard C. Lippold 2nd World Meeting on Pharmaceutics Biopharmazeutics Pharmaceutical Technology. Paris 25 to 28 May 1998, 391-392 (1998) Alternative Source Name: 44th Annual Congress of APV; APGI 8th International Conference on Pharmaceutical Technology |
| 27 |
Local anesthetics as penetration enhancers for a model corticosteroid - An in vivo study using the vasoconstrictor assay Christian Römmen, Claudia S. Leopold , Bernhard C. Lippold 2nd World Meeting on Pharmaceutics Biopharmazeutics Pharmaceutical Technology. Paris 25 to 28 May 1998, 1163-1164 (1998) Alternative Source Name: 44th Annual Congress of APV; APGI 8th International Conference on Pharmaceutical Technology |
| 26 |
Drug release from mini tablets coated with basic polymers: Effect of additional coating layers and hydrodynamic stress Claudia S. Leopold , Dorothee Eikeler Archiv der Pharmazie 331 (Supplement 2) 49-49 (3.01) (1998) (Jahrestagung der Deutschen Pharmazeutischen Gesellschaft e.V. vom 6. bis 8. November 1998 in Tübingen. Kurzfassungen zu den Beiträgen) |
| 25 |
pH-dependent dissolution behaviour of enteric coating polymers Tanja Schmidt-Mende, Claudia S. Leopold , Bernhard C. Lippold Archiv der Pharmazie 331 (Supplement 2) 49-49 (3.02) (1998) (Jahrestagung der Deutschen Pharmazeutischen Gesellschaft e.V. vom 6. bis 8. November 1998 in Tübingen. Kurzfassungen zu den Beiträgen) |
| 24 |
Do local anesthetics have an influence on the structure of isolated human stratum corneum? Christian Römmen, Claudia S. Leopold , Bernhard C. Lippold Perspectives in Percutaneous Penetration 6A, 113-113 (1998) |
| 23 |
Drug release from Eudragit E-coated mini tablets for colon targeting. In vitro study Claudia S. Leopold , Dorothee Eikeler Proceedings of the International Symposium on Controlled Release of Bioactive Materials 25, 856-857 (1998) |
1997 | |
| 22 |
Prodrugs für das Dickdarm-Targeting (Prodrugs for colon-specific targeting) Claudia S. Leopold Pharmazie in Unserer Zeit 26, 289-298 (1997) |
| 21 |
pH-controlled drug release in inflammatory bowel disease (IBD): A novel approach Claudia S. Leopold , Dorothee Eikeler Pharmaceutical Research 14 (Supplement) S-542 (3238) (1997) |
1996 | |
| 20 |
Effect of lipophilic vehicles on in vivo skin penetration of methyl nicotinate in different races Claudia S. Leopold , Howard I. Maibach International Journal of Pharmaceutics 139, 161-167 (1996) |
| 19 |
A dexamethasone-poly(L-aspartic acid) conjugate as potential prodrug for colon-specific drug delivery Claudia S. Leopold , David R. Friend -/- Editors: Jobst B. Mielck, Bernd W. Müller European Journal of Pharmaceutics and Biopharmaceutics 42 (Supplement) 48-48 (617) (1996) (Proceedings of the 42nd Annual Congress - Forum Technologicum - March 7-9, 1996, Mainz, Germany) |
| 18 |
Effect of lipophilic vehicles on in vivo skin penetration of methyl nicotinate in different races Claudia S. Leopold , Howard I. Maibach Pharmaceutical Research 13 (Supplement) S-308 (PDD 7303) (1996) |
1995 | |
| 17 |
In vitro study for the assessment of poly(L-aspartic acid) as a drug carrier for colon-specific drug delivery Claudia S. Leopold , David R. Friend International Journal of Pharmaceutics 126, 139-145 (1995) |
| 16 |
Enhancing Effects of Lipophilic Vehicles on Skin Penetration of Methyl Nicotinate In Vivo Claudia S. Leopold , Bernhard C. Lippold Journal of Pharmaceutical Sciences 84, 195-198 (1995) |
| 15 |
In vivo pharmacokinetic study for the assessment of poly(L-aspartic acid) as a drug carrier for colon-specific drug delivery Claudia S. Leopold , David R. Friend Journal of Pharmacokinetics and Biopharmaceutics 23, 397-406 (1995) |
| 14 |
An attempt to clarify the mechanism of the penetration enhancing effects of lipophilic vehicles with differential scanning calorimetry (DSC) Claudia S. Leopold , Bernhard C. Lippold Journal of Pharmacy and Pharmacology 47, 276-281 (1995) |
| 13 |
Determination of the effects of lipophilic vehicles on the structure of the human stratum corneum with differential scanning calorimetry Claudia S. Leopold , Bernhard C. Lippold Skin Pharmacology 9, 86-86 (1995) |
| 12 |
Quantification of depletion effects in solution-type transdermal preparations in vivo Claudia S. Leopold Pharmaceutical Research 12 (Supplement) S-278 (PDD 7343) (1995) |
1994 | |
| 11 |
How to quantify the effects of vehicles on in vivo drug penetration through the skin Claudia S. Leopold , Bernhard C. Lippold European Journal of Pharmaceutical Sciences 2, 108-108 (FC32) (1994) |
| 10 |
Poly(L-aspartic acid) as drug carrier for colon specific drug delivery - an in vivo assessment Claudia S. Leopold , David R. Friend Pharmaceutical Research 11 (Supplement) S-245 (PDD 7449) (1994) |
| 9 |
Poly(L-aspartic acid) as drug carrier for colon-specific drug delivery - an in vitro assessment Claudia S. Leopold , David R. Friend Proceedings of the International Symposium on Controlled Release of Bioactive Materials 21, 258-259 (1994) |
1993 | |
| 8 |
Poly(L-aspartic acid) - a suitable drug carrier for colon-specific drug delivery? Claudia S. Leopold , David R. Friend Pharmaceutical Research 10 (Supplement) S-215 (PDD 7163) (1993) |
| 7 |
An attempt to clarify the mechanism of the penetration enhancing effects of lipophilic vehicles with differential scanning calorimetry (DSC) Claudia S. Leopold , Bernhard C. Lippold Pharmaceutical Research 10 (Supplement) S-245 (PDD 7283) (1993) |
| 6 |
Enhancer effects of lipophilic vehicles on skin penetration of methyl nicotinate in vivo Claudia S. Leopold , Bernhard C. Lippold -/- Editor: Theodore J. Roseman, Nicholas A. Peppas, Henry L. Gabelnick Proceedings of the International Symposium on Controlled Release of Bioactive Materials 20, 16-17 (Paper # 110) (1993) |
1992 | |
| 5 |
A New Application Chamber for Skin Penetration Studies in Vivo with Liquid Preparations Claudia S. Leopold , Bernhard C. Lippold Pharmaceutical Research 9, 1215-1218 (1992) |
| 4 |
Enhancer-Effekte
von lipophilen Salbengrundstoffen auf die Steady-state-Penetration von Methylnicotinat durch die Haut Claudia S. Leopold -/- Supervisor: Bernhard C. Lippold Dissertation, Düsseldorf (1992) |
| 3 |
Enhancer effects of lipophilic vehicles on the steady-state penetration of methyl nicotinate through the skin (Abstract of Doctoral Thesis) Claudia S. Leopold -/- Supervisor: Bernhard C. Lippold European Journal of Pharmaceutics and Biopharmaceutics 38, 156-156 (1992) |
1991 | |
| 2 |
Bronchial asthma and allied allergic disorders. Preliminary report of a study under controlled conditions of environment, temperature and humidity. 1925 S. S. Leopold, Claudia S. Leopold Allergy Proceedings. The Official Journal of Regional and State Allergy Societies 12, 123-126 (1991) |
| 1 |
Opiate und Opiatantagonisten 1. Theoretische Grundlagen der Opioidwirkung (Opiates and opiate antagonists. Part 1. Basic principles of opioid effects) Enno Freye, Claudia S. Leopold Deutsche Apotheker Zeitung 131, 1517-1523 (1991) |