Search Results - "Castro, Ricardo A. E."

Refine Results
  1. 1

    Coamorphous Systems of Valsartan: Thermal Analysis Contribution to Evaluate Intermolecular Interactions Effects on the Structural Relaxation by Ekawa, Bruno, Diogo, Hermínio P, Castro, Ricardo A. E, Caires, Flávio J, Eusébio, M. Ermelinda S

    Published in Molecules (Basel, Switzerland) (25-08-2023)
    “…Coamorphous formation in binary systems of valsartan (Val) with 4,4′-bipyridine (Bipy) and trimethoprim (Tri) was investigated for mixtures with a mole…”
    Get full text
    Journal Article
  2. 2
  3. 3

    Naproxen Cocrystals with Pyridinecarboxamide Isomers by E. Castro, Ricardo A, Ribeiro, João D. B, Maria, Teresa M. R, Ramos Silva, M, Yuste-Vivas, Consuelo, Canotilho, João, Eusébio, M. Ermelinda S

    Published in Crystal growth & design (07-12-2011)
    “…A screening of naproxen cocrystals with coformers picolinamide, nicotinamide, isonicotinamide, and pyrazinamide is performed by the Kofler contact method and…”
    Get full text
    Journal Article
  4. 4
  5. 5

    Dihydrofolate Reductase Inhibitors: The Pharmacophore as a Guide for Co-Crystal Screening by Baptista, João A, Rosado, Mário T S, Castro, Ricardo A E, Évora, António O L, Maria, Teresa M R, Ramos Silva, Manuela, Canotilho, João, Eusébio, M Ermelinda S

    Published in Molecules (Basel, Switzerland) (06-11-2021)
    “…In this work, co-crystal screening was carried out for two important dihydrofolate reductase (DHFR) inhibitors, trimethoprim (TMP) and pyrimethamine (PMA), and…”
    Get full text
    Journal Article
  6. 6
  7. 7

    Binary phase diagrams of pyridinecarboxamide isomers by Cortesão, Ana M., Henriques, João G., Castro, Ricardo A. E., Maria, Teresa M. R., Canotilho, João, Eusébio, M. Ermelinda S.

    “…Pyridinecarboxamide binary phase diagrams have been established using differential scanning calorimetry, infrared spectroscopy and X-ray powder diffraction…”
    Get full text
    Journal Article
  8. 8

    β-Phase Formation of Poly(9,9-dioctylfluorene) Induced by Liposome Phospholipid Bilayers by Tapia, María José, Monteserín, María, Burrows, Hugh D, Seixas de Melo, J. Sérgio, Pina, João, Castro, Ricardo A. E, García, Sonia, Estelrich, Joan

    Published in The journal of physical chemistry. B (19-05-2011)
    “…The well-structured β-phase emission of the neutral poly(9,9-dioctylfluorene) (PFO) is observed in 1,2-dimyristoyl-sn-glycero-3-phosphocholine (DMPC) bilayers,…”
    Get full text
    Journal Article
  9. 9

    A quality by design framework for developing nanocrystal bioenabling formulations by Simões, Ana, Castro, Ricardo A.E., Veiga, Francisco, Vitorino, Carla

    Published in International journal of pharmaceutics (05-11-2023)
    “…[Display omitted] The present study aims to outline a rational framework for the design and development of a 1.0% (w/v) hydrocortisone nanocrystal-based…”
    Get full text
    Journal Article
  10. 10

    Norfloxacin Cocrystals: Mechanochemical Synthesis and Scale-up Viability Through Solubility Studies by Ferreira, Patricia O, de Almeida, Amanda C, Costa, Giovanna de P, Torquetti, Carolina, Baptista, João A, Eusébio, M Ermelinda S, Caires, Flavio J, Castro, Ricardo A E

    Published in Journal of pharmaceutical sciences (01-08-2023)
    “…Cocrystals are recognized as one of the most efficient approaches to improve aqueous solubility of Biopharmaceutical Classification System, BCS, classes II and…”
    Get more information
    Journal Article
  11. 11

    Polymorphic Cocrystals of the Antimalarial Drug Pyrimethamine: Two Case Studies by Baptista, João A, Castro, Ricardo A. E, Rosado, Mário T. S, Maria, Teresa M. R, Silva, M. Ramos, Canotilho, João, Eusébio, M. Ermelinda S

    Published in Crystal growth & design (07-07-2021)
    “…Polymorphism is known to have significant implications in the pharmaceutical industry. However, there are relatively few studies of polymorphic pharmaceutical…”
    Get full text
    Journal Article
  12. 12
  13. 13

    Physicochemical, Thermal, Crystallographic, and Morphological Properties of Biodynamic Black Rice Starch, and of Residual Fractions From Aqueous Extraction by Ito, Vivian C., Schnitzler, Egon, Demiate, Ivo Mottin, Eusébio, Maria Ermelinda S., Lacerda, Luiz Gustavo, Castro, Ricardo A. E.

    Published in Starch - Stärke (01-11-2018)
    “…The physicochemical, thermal, crystallographic, and morphological properties of biodynamic black rice starch, and of the residual fractions from aqueous…”
    Get full text
    Journal Article
  14. 14

    Lamotrigine: Design and synthesis of new multicomponent solid forms by Évora, António O.L., Castro, Ricardo A.E., Maria, Teresa M.R., Ramos Silva, M., Canotilho, João, Eusébio, M. Ermelinda S.

    “…In this work, a crystal engineering and thermodynamic based approach has been used aiming at contributing to a deeper knowledge of lamotrigine multicomponent…”
    Get full text
    Journal Article
  15. 15

    Synthesis, physicochemical and optical properties of bis-thiosemicarbazone functionalized graphene oxide by Kumar, Santosh, Wani, Mohmmad Y., Arranja, Claudia T., Castro, Ricardo A.E., Paixão, José A., Sobral, Abilio J.F.N.

    “…Fluorescent materials are important for low-cost opto-electronic and biomedical sensor devices. In this study we present the synthesis and characterization of…”
    Get full text
    Journal Article
  16. 16

    A thermodynamic based approach on the investigation of a diflunisal pharmaceutical co-crystal with improved intrinsic dissolution rate by Évora, António O.L., Castro, Ricardo A.E., Maria, Teresa M.R., Silva, M. Ramos, ter Horst, J.H., Canotilho, João, Eusébio, M. Ermelinda S.

    Published in International journal of pharmaceutics (15-05-2014)
    “…[Display omitted] A thermodynamic based approach is used to investigate diflunisal+nicotinamide binary and solution mixtures. A 2:1 co-crystal could be…”
    Get full text
    Journal Article
  17. 17

    Pyrazinamide-Diflunisal: A New Dual-Drug Co-Crystal by Évora, António O. L, Castro, Ricardo A. E, Maria, Teresa M. R, Rosado, Mário T. S, Ramos Silva, M, Matos Beja, A, Canotilho, João, Eusébio, M. Ermelinda S

    Published in Crystal growth & design (02-11-2011)
    “…A 1:1 co-crystal involving pyrazinamide, one of the first-line drugs recommended by the World Health Organization for tuberculosis treatment, and diflunisal, a…”
    Get full text
    Journal Article
  18. 18

    A New Insight into Pyrazinamide Polymorphic Forms and their Thermodynamic Relationships by Castro, Ricardo A. E, Maria, Teresa M. R, Évora, António O. L, Feiteira, Joana C, Silva, M. Ramos, Beja, A. Matos, Canotilho, João, Eusébio, M. Ermelinda S

    Published in Crystal growth & design (06-01-2010)
    “…Screening of pyrazinamide polymorphs was carried out by crystallization from solvents differing in polarity and hydrogen bonding ability and also by…”
    Get full text
    Journal Article
  19. 19

    The structure of betaxolol studied by infrared spectroscopy and natural bond orbital theory by Canotilho, João, Castro, Ricardo A.E.

    “…Betaxolol is a selective β 1 receptor blocker used in the treatment of hypertension and glaucoma. A study of the betaxolol structure based on infrared…”
    Get full text
    Journal Article
  20. 20

    Polymorphism of trans-1,4-Cyclohexanediol: Conformational Isomorphism by Maria, Teresa M. R, Castro, Ricardo A. E, Bebiano, Suse S, Ramos Silva, M, Matos Beja, A, Canotilho, João, Eusébio, M. Ermelinda S

    Published in Crystal growth & design (03-03-2010)
    “…In this work, an investigation on the polymorphism of trans-1,4-cyclohexanediol is performed. Polymorph screening is carried out by crystallization from…”
    Get full text
    Journal Article