Pharma Excipients
Inorganic Chemicals
Characterization and modeling of the viscoelasticity of pharmaceutical tablets
Evolution of the compaction properties of powders with the compaction speed (strain rate sensitivity, SRS) is a common phenomenon during the manufacturing of pharmaceutical tablets. Nevertheless, several different phenomena can be responsible of the SRS like friction, viscoelasticity,…
Read More...
Read More...
Water-assisted synthesis of mesoporous calcium carbonate with a controlled specific surface area and…
A carbonation process to control the specific surface area of mesoporous calcium carbonate and the dissolution profile of ferulic acid on mesoporous carbonate particles are presented. The effects of water content on the physicochemical properties, specific surface area, pore size, crystallinity, and…
Read More...
Read More...
Evaluation of an external lubrication system implemented in a compaction simulator
The internal blending of magnesium stearate is often associated with decreasing tensile strengths and longer disintegration and dissolution times. Therefore, external lubrication has gained interest in the pharmaceutical industry as these negative effects could be minimized using this method. In…
Read More...
Read More...
Compression behaviour of granules produced via twin-screw melt granulation: Effect of initial…
This study focuses on the impact of initial particle size on the tabletability and the deformation behaviour (i.e. plasticity) of granules produced by twin-screw melt granulation (TSMG). As model substances, three different grades of anhydrous dicalcium phosphate (aDCP) were melt-granulated with…
Read More...
Read More...
Innovation in starter pellets – PharSQ® Spheres CM unique calcium-phosphate based starter…
Drug layering on starter pellets is a standard technology to achieve multiparticulate dosage forms. The most widely used are still sugar spheres / non-pareils but also neutral pellets made of microcrystalline cellulose such as Cellets are applied. Although not a lot of new starter pellets have come…
Read More...
Read More...
Temperature: an overlooked factor in tablet disintegration
Disintegration is the first event in the bioavailability cascade after the ingestion of immediate release tablets. Although the influence of various physico-chemical parameters of media on tablet disintegration has been investigated in depth, the role of temperature has received much less attention.…
Read More...
Read More...
Influence of binder attributes on binder effectiveness in a continuous twin screw wet granulation…
The effect of a wide variety of binders on the quality of granules produced via continuous twin screw wet granulation was studied. Anhydrous dicalcium phosphate was used as poorly soluble filler and was granulated applying dry or wet addition of binders. Furthermore, dry and wet binder…
Read More...
Read More...
Quantification of tablet sensitivity to a stress concentration: Generalization of Hiestand’s…
Sensitivity to a stress concentration is important for the development of pharmaceutical tablets as it is related to defects like capping. The Brittle Fracture Index (BFI) was introduced by Hiestand et al. to test this sensitivity. Recently, a more general index, based on the average stress…
Read More...
Read More...
Simultaneous Investigation of the Liquid Transport and Swelling Performance during Tablet…
Fast disintegrating tablets have commonly been used for fast oral drug delivery to patients with swallowing difficulties. The different characteristics of the pore structure of such formulations influence the liquid transport through the tablet and hence affect the disintegration time and the…
Read More...
Read More...
Fully inkjet‐printed glucose assay fabricated on highly porous pigment coating
A simple paper-based microfluidic device, fabricated on a highly porous coating consisting of functionalised calcium carbonate (FCC) pigment and a microfibrillated cellulose (MFC) and/or polyvinyl alcohol (PVOH) binder, was developed for glucose detection. Both the hydrophobic patterns, consisting…
Read More...
Read More...