Thermodynamic modeling of solvent-impact on phase separation in amorphous solid dispersions during drying
S Dohrn, P Reimer, C Luebbert… - Molecular …, 2020 - ACS Publications
… (7) found that miscibility is a critical factor for ASDs and described phase separation induced
via the route during ASD formation and caused by water absorption or due to high relative …
via the route during ASD formation and caused by water absorption or due to high relative …
[HTML][HTML] Solvent influence on the phase behavior and glass transition of Amorphous Solid Dispersions
S Dohrn, C Luebbert, K Lehmkemper… - European Journal of …, 2021 - Elsevier
… Residual solvent can affect the API solubility in the polymer, molecular … water was
simultaneously fitted to the solubility of crystalline and amorphous RIT in water and the water …
simultaneously fitted to the solubility of crystalline and amorphous RIT in water and the water …
Rivaroxaban polymeric amorphous solid dispersions: Moisture-induced thermodynamic phase behavior and intermolecular interactions
A Kapourani, E Vardaka, K Katopodis… - European Journal of …, 2019 - Elsevier
… vials and stored in desiccators at 25 C in order to prevent moisture absorption prior testing.
… ), it is the presence of moisture water and its effect on the physicochemical properties of the …
… ), it is the presence of moisture water and its effect on the physicochemical properties of the …
Dissolution Mechanisms of Amorphous Solid Dispersions: Application of Ternary Phase Diagrams To Explain Release Behavior
A Deac, C Luebbert, Q Qi, RM Courtney… - Molecular …, 2024 - ACS Publications
… -off-the-cliff” effect due to the dramatic impact observed during in vitro dissolution. Han …
sorption experiments using ASD powders (Table 4). The water content required to induce phase …
sorption experiments using ASD powders (Table 4). The water content required to induce phase …
Thermodynamic modeling of the amorphous solid dispersion-water interfacial layer and its impact on the release mechanism
S Dohrn, SO Kyeremateng, E Bochmann, E Sobich… - Pharmaceutics, 2023 - mdpi.com
… As soon as the surface of an ASD encounters water, several interplay processes, including
water sorption, phase separation, crystallization, and the viscosity of the formed (gel) layer, …
water sorption, phase separation, crystallization, and the viscosity of the formed (gel) layer, …
Kinetics of water-induced amorphous phase separation in amorphous solid dispersions via raman mapping
A Krummnow, A Danzer, K Voges, SO Kyeremateng… - Pharmaceutics, 2023 - mdpi.com
… at 25 C and 0.1 MPa depicting the pathways of water sorption and amorphous phase
separation in the ASD with (a) 20 wt% DL and (b) 25 wt% DL at 94% RH. All compositions are …
separation in the ASD with (a) 20 wt% DL and (b) 25 wt% DL at 94% RH. All compositions are …
The investigation of Flory–Huggins interaction parameters for amorphous solid dispersion across the entire temperature and composition range
… separations of ASD samples at low temperatures and drug loadings; (2) reducing the impact
… for six hours were deemed sufficient for the water absorption (Supplementary Materials C), …
… for six hours were deemed sufficient for the water absorption (Supplementary Materials C), …
Combining crystalline and polymeric excipients in API solid dispersions–Opportunity or risk?
H Veith, F Wiechert, C Luebbert, G Sadowski - European Journal of …, 2021 - Elsevier
… of solid dispersions are so-called ‘amorphous solid dispersions’ (… among all components
mutually affect each other differently. An … separation on the CBZ CDF and water sorption was …
mutually affect each other differently. An … separation on the CBZ CDF and water sorption was …
Drug release from surfactant-containing amorphous solid dispersions: mechanism and role of surfactant in release enhancement
… affect drug release from ternary amorphous solid dispersions (… These surfactants altered
phase separation kinetics and … following water sorption from the vapor phase [39], but phase …
phase separation kinetics and … following water sorption from the vapor phase [39], but phase …
Effect of the third component on the aging and crystallization of cinnarizine-soluplus® binary solid dispersion
B Tian, X Ju, D Yang, Y Kong, X Tang - International Journal of …, 2020 - Elsevier
… The water vapor sorption of cinnarizine ternary SDs under 75% and 93% RH at … amorphous
solids absorb water vapor into bulk, and the water molecules interact with amorphous solids …
solids absorb water vapor into bulk, and the water molecules interact with amorphous solids …