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Physico-Mechanical and Tableting Properties of Metronidazole Obtained by Crystallo Co-Agglomeration…
Abstract
Background: Due to its simplicity and cost-effectiveness, direct compression has become the approach most frequently used to create tablet. Nonetheless, the active pharmaceutical ingredient should have acceptable flow and good compaction qualities in order to use direct compression in…
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A systematic comparison of four pharmacopoeial methods for measuring powder flowability
Abstract
Powder flow is one of the crucial factors affecting several pharmaceutical manufacturing processes. Problems due to insufficient powder flow reduce production process efficiency and cause suboptimum product quality. The U.S. Pharmacopoeia has specified four methods to evaluate the…
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Quality Assesment and Stability Studies of Metronidazole Tablets Formulations Obtained via Crystallo…
Abstract
Stability studies are essential for assessing the quality, safety, and efficacy of pharmaceutical products, ensuring they maintain their properties over time. This study aimed to assess the stability of metronidazole tablets stored in a desiccator with charged silica gel following the…
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Preparation and Evaluation of Berberine-Excipient Complexes in Enhancing the Dissolution Rate of…
Berberine is used in the treatment of metabolic syndrome and its low solubility and very poor oral bioavailability of berberine was one of the primary hurdles for its market approval. This study aimed to improve the solubility and bioavailability of berberine by preparing pellet formulations…
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Flexible modelling of the dissolution performance of directly compressed tablets
In this study, a compartmental disintegration and dissolution model is proposed for the prediction and evaluation of the dissolution performance of directly compressed tablets. This dissolution model uses three compartments (Bound, Disintegrated, and Dissolved) to describe the state of each particle…
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Croscarmellose Sodium as Pelletization Aid in Extrusion-Spheronization
Only few excipients are known to be suitable as pelletization aids. In this study, the potential use of croscarmellose sodium (CCS) as pelletization aid was investigated. Furthermore, the impact of cations on extrusion-spheronization (ES) of CCS was studied and different grades of CCS were tested.…
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Colon targeting in rats, dogs and IBD patients with species-independent film coatings
Polysaccharides were identified, which allow for colon targeting in human Inflammatory Bowel Disease (IBD) patients, as well as in rats and dogs (which are frequently used as animals in preclinical studies). The polysaccharides are degraded by colonic enzymes (secreted by bacteria), triggering the…
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A two-phase flow model simulating water penetration into pharmaceutical tablets
The purpose of the study is introduce a two-phase flow model to simulate water penetration into pharmaceutical tablets. This model was built by integrating Darcy’s law with the continuity principle, on the premise that water penetration was driven by capillary actions. Notably, this model concerned…
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Stability of Dexamethasone during Hot-Melt Extrusion of Filaments based on Eudragit® RS, Ethyl…
Hot-melt extrusion (HME) potentially coupled with 3D printing is a promising technique for the manufacturing of dosage forms such as drug-eluting implants which might even be individually adapted to patient-specific anatomy. However, these manufacturing methods involve the risk of thermal…
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Tablet ejection: A systematic comparison between force, static friction, and kinetic friction
The magnitude of the frictional forces during the ejection of porous pharmaceutical tablets plays an important role in determining the occurrence of tabletting defects. Here, we perform a systematic comparison between the maximum ejection force, static friction coefficient, and kinetic friction…
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