Tina Ariën

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This work investigates the flocculation effect of polyethylene glycol (PEG) on typical aqueous dispersions, such as O/W emulsions and solid/liquid suspensions. Hereby, sunflower oil and flubendazole were selected as model ingredients, whereas microfluidization at variable driving air pressure was used to enable particle size distribution variations for both(More)
In order to study the sedimentation of pharmaceutical suspensions using low-field one dimensional pulsed field gradient nuclear magnetic resonance (1D pfg NMR) profilometry, the accuracy of signal acquisition as well as the spatial resolution of a commercial spectrometer operating at 23.4 MHz was investigated. The use of a solid Teflon spacer revealed that(More)
This work aims to demonstrate the usefulness of a low-field one-dimensional pulsed-field gradient NMR (1D pfg NMR) profilometry technique to enable in situ nondestructive sediment characterization and resuspendability quantification of concentrated prefilled injectable suspensions. Aqueous paliperidone palmitate suspensions were used as model samples and(More)
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