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Fractal Aspects of Static and Dynamic Flow Properties of Pharmaceutical Excipients
(2017-11)
Purpose
Characterisation of powder flow is important for pharmaceutical processing and manufacturing. This work aims at a better understanding of how fractal particle and bulk properties affect the static and dynamic ...
Electron microscopy/energy dispersive X-ray spectroscopy of drug distribution in solid dispersions and interpretation by multifractal geometry
(2018)
Much contemporary research of poorly water-soluble drugs focuses on amorphous solid dispersions (SDs) for oral drug delivery. Recently, a multifractal formalism has been introduced to describe the distribution of an inorganic ...
Multifractal characterization of pharmaceutical hot-melt extrudates
(2017)
Purpose
Multifractal geometry has become a powerful tool to describe complex structures in many fields. Our first aim was to combine imaging and multifractal analysis to better understand the microstructure of pharmaceutical ...
Drug supersaturation during formulation digestion, including real-time analytical approaches
(2018-11)
Self-emulsifying and other lipid-based drug delivery systems have drawn considerable interest from pharmaceutical scientists for managing oral delivery of poorly water-soluble compounds. Following administration, ...
A diffusing wave spectroscopy study of pharmaceutical emulsions for physical stability assessment
(2017)
Emulsions are broadly used in pharmaceutics either as intermediate products or as final dosage forms. Such disperse systems are only kinetically stabilized and therefore early detection of physical instability is highly ...
Glass-forming ability of compounds in marketed amorphous drug products
(2017-03)
This note is about the glass-forming ability (GFA) of drugs marketed as amorphous solid dispersions or as pure amorphous compounds. A thermoanalytical method was complemented with an in silico study, which made use of ...
Biorelevant drug solubility enhancement modeled by a linear solvation energy relationship
(2017)
It is for the pharmaceutical sciences of vital importance to understand how drugs are solubilized in biorelevant media. However, the complexity of fasted state simulated intestinal fluid (FaSSIF) has so far hampered adequate ...
A Systematic Study of Molecular Interactions of Anionic Drugs with a Dimethylaminoethyl Methacrylate Copolymer Regarding Solubility Enhancement
(2017)
The methacrylate-copolymer Eudragit EPO (EPO) has raised interest in solubility enhancement of anionic drugs. Effects on aqueous drug solubility at rather low polymer concentrations are barely known despite their importance ...
Novel polyurethane matrix systems reveal a particular release mechanism for sustained drug delivery by imaging and computational modeling
(2017)
The aim of the present work was to better understand the drug-release mechanism from sustained release matrices prepared with two new polyurethanes, using a novel in silico formulation tool based on 3-dimensional cellular ...
Study of rheology and polymer adsorption onto drug nanoparticles in pharmaceutical suspensions produced by nano milling
(2017)
Nanosuspensions provide a drug delivery approach to cope with erratic absorption of poorly water-soluble compounds. Despite extensive research over the last years, there are still open pharmaceutical challenges so it is ...