Methods of amorphization and investigation of the amorphous state

T Einfalt, O Planinšek, K Hrovat - Acta pharmaceutica, 2013 - hrcak.srce.hr
Sažetak The amorphous form of pharmaceutical materials represents the most energetic
solid state of a material. It provides advantages in terms of dissolution rate and …

Influence of particle properties on powder bulk behaviour and processability

UV Shah, V Karde, C Ghoroi, JYY Heng - International journal of …, 2017 - Elsevier
Understanding interparticle interactions in powder systems is crucial to pharmaceutical
powder processing. Nevertheless, there remains a great challenge in identifying the key …

Indomethacin: The interplay between structural relaxation, viscous flow and crystal growth

R Svoboda, D Košťálová, M Krbal, A Komersová - Molecules, 2022 - mdpi.com
Non-isothermal differential scanning calorimetry (DSC) was used to study the influences of
particle size (daver) and heating rate (q+) on the structural relaxation, crystal growth and …

[HTML][HTML] Role of crystal disorder and mechanoactivation in solid-state stability of pharmaceuticals

J Iyer, M Brunsteiner, D Modhave, A Paudel - Journal of Pharmaceutical …, 2023 - Elsevier
Common energy-intensive processes applied in oral solid dosage development, such as
milling, sieving, blending, compaction, etc. generate particles with surface and bulk crystal …

Indomethacin: Effect of diffusionless crystal growth on thermal stability during long-term storage

R Svoboda, N Koutná, D Košťálová, M Krbal… - Molecules, 2023 - mdpi.com
Differential scanning calorimetry and Raman spectroscopy were used to study the
nonisothermal and isothermal crystallization behavior of amorphous indomethacin powders …

Assessment of milling-induced disorder of two pharmaceutical compounds

A Otte, MT Carvajal - Journal of pharmaceutical sciences, 2011 - Elsevier
The goal of this study was to provide a better framework for understanding the bulk and
surface disorder in milled crystalline materials. The surface and bulk properties of two model …

Effect of surface compositional difference on powder flow properties

CG Jange, RPK Ambrose - Powder Technology, 2019 - Elsevier
Surface composition plays an important role in the cohesion/adhesion behavior of powders.
Yet, the quantification of the major factors that affect powder kinematics is a challenge …

Solid-state transformations of sulfathiazole polymorphs: the effects of milling and humidity

Y Hu, A Erxleben, BK Hodnett, B Li… - Crystal growth & …, 2013 - ACS Publications
The effect of milling on the transitions of sulfathiazole polymorphs in the absence and
presence of solvent and excipients was monitored by X-ray powder diffraction (XRPD) …

A combined experimental and in silico approach to determine the compatibility of poly (ester amide) s and indomethacin in polymer nanoparticles

I Muljajew, M Chi, A Vollrath, C Weber… - European Polymer …, 2021 - Elsevier
The development of optimized carrier materials for the encapsulation of new high-potency
drugs is frequently hampered by the need for trial-and-error experiments. Combining …

Assessment of crystalline disorder in cryo-milled samples of indomethacin using atomic pair-wise distribution functions

JP Bøtker, P Karmwar, CJ Strachan, C Cornett… - International journal of …, 2011 - Elsevier
The aim of this study was to investigate the usefulness of the atomic pair-wise distribution
function (PDF) to detect the extension of disorder/amorphousness induced into a crystalline …