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Molecular Physics
An International Journal at the Interface Between Chemistry and Physics
Volume 117, 2019 - Issue 5
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Research Articles

Thermal behaviour of two anti-inflammatory drugs (celecoxib and rofecoxib) and slow relaxation dynamics in their amorphous solid state. Comparison between the dynamic fragility obtained by dielectric spectroscopy and by thermostimulated currents

Joaquim J. Moura RamosCQE – Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal;CQFM – Centro de Química-Física Molecular, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, PortugalORCID Iconhttp://orcid.org/0000-0003-4955-5587View further author information
ORCID Icon,
M. Teresa ViciosaCQE – Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal;CQFM – Centro de Química-Física Molecular, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, PortugalCorrespondence[email protected]
ORCID Iconhttp://orcid.org/0000-0002-8574-7351View further author information
ORCID Icon &
Hermínio P. DiogoCQE – Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, PortugalCorrespondence[email protected]
ORCID Iconhttp://orcid.org/0000-0002-0808-1306View further author information
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Pages 644-660 | Received 24 Jun 2018, Accepted 02 Oct 2018, Published online: 19 Oct 2018

Citations (11)

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Joaquim J. Moura Ramos & Hermínio P. Diogo. (2020) Phase behavior and slow molecular dynamics in the glassy state and in the glass transformation of a nematic liquid crystal: 4CFPB. Liquid Crystals 47:4, pages 604-617.
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Articles from other publishers (10)

Madan Sai Poka, Marnus Milne, Anita Wessels & Marique Aucamp. (2023) Sugars and Polyols of Natural Origin as Carriers for Solubility and Dissolution Enhancement. Pharmaceutics 15:11, pages 2557.
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Hermínio P. Diogo, Joaquim J. Moura Ramos & M. Teresa Viciosa. (2023) The slow molecular mobility in the amorphous solid and supercooled liquid phases of brucine, an anti-cancer drug. A study by differential scanning calorimetry (DSC), thermostimulated currents (TSC) and dielectric relaxation spectroscopy (DRS). Journal of Molecular Liquids 385, pages 122423.
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Bruno Ekawa, Hermínio P. Diogo, Ricardo A. E. Castro, Flávio J. Caires & M. Ermelinda S. Eusébio. (2023) Coamorphous Systems of Valsartan: Thermal Analysis Contribution to Evaluate Intermolecular Interactions Effects on the Structural Relaxation. Molecules 28:17, pages 6240.
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Hermínio P. Diogo & Joaquim J. Moura Ramos. (2022) Molecular mobility in Soluplus, a polymer with extremely low dynamic fragility; A study by thermally stimulated depolarization currents. Journal of Non-Crystalline Solids 591, pages 121738.
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Hermínio P. Diogo & Joaquim J. Moura Ramos. (2022) TSDC and DSC Investigation on the Molecular Mobility in the Amorphous Solid State and in the Glass Transformation Region of Two Benzodiazepine Derivatives: Diazepam and Nordazepam. Journal of Pharmaceutical Sciences 111:8, pages 2239-2248.
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Hermínio P. Diogo & Joaquim J. Moura Ramos. (2021) Dielectric relaxation study of poly (ether imide) by thermally stimulated depolarization currents. Journal of Applied Polymer Science 139:3.
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Joaquim J. Moura Ramos & Hermínio P. Diogo. (2020) Calorimetric (DSC) and dielectric (TSDC) investigation on the thermal behavior and molecular mobility in the supercooled liquid and glassy states of bifonazole and lamotrigine. Journal of Thermal Analysis and Calorimetry 145:6, pages 3077-3085.
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Hermínio P. Diogo, M.  Fátima  M. Piedade & Joaquim J. Moura Ramos. (2021) Structure, thermal properties and molecular mobility in cholesteryl hydrogen phthalate: Different approaches to the crystal, the glassy crystal and the mesophase. Journal of Molecular Structure 1225, pages 129251.
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M. Teresa Viciosa, Joaquim J. Moura Ramos & Hermínio P. Diogo. (2020) Thermal behavior and molecular mobility studies in the supercooled liquid and glassy states of carvedilol and loratadine. International Journal of Pharmaceutics 584, pages 119410.
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Joaquim J. Moura Ramos & Hermínio P. Diogo. (2019) Orientational glass, orientationally disordered crystal and crystalline polymorphism: A further study on the thermal behavior and molecular mobility in levoglucosan. Journal of Molecular Liquids 286, pages 110914.
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