Loratadine: hydroxymethylation in syrup.
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Formaldehyde↗
Biomedical subjects
R Eyjolfsson
Publications and source records attributed to R Eyjolfsson.
Ranitidine tablets: an improved dissolution method.
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Anti-Ulcer Agents↗
Enalapril maleate form II: stabilization in a tablet formulation.
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Angiotensin-Converting Enzyme Inhibitors↗
Enalapril maleate polymorphs: instability of form II in a tablet formulation.
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Angiotensin-Converting Enzyme Inhibitors↗
Mixing of pharmaceutical powders in tablet manufacture.
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Drug Compounding↗
Diclofenac sodium: oxidative degradation in solution and solid state.
The formation of two oxidative degradates of diclofenac in solution and the solid state was demonstrated.
Anti-Inflammatory Agents, Non-Steroidal↗
Ranitidine HCl: tablet film coating acidity and discoloration.
The presence of citric acid in the film coating of ranitidine hydrochloride tablets decreased discoloration.
Anti-Ulcer Agents↗
Nitrofurantoin: particle size and dissolution.
Tablets manufactured from micronized anhydrous nitrofurantoin exhibited unsatisfactory dissolution properties, whereas excellent results were obtained with unmilled drug material having fine particle size.
Nitrofurantoin↗
Hydroxypropyl methylcellulose mixtures: effects and kinetics of release of an insoluble drug.
Matrix tablets manufactured from a practically insoluble drug using Methocel K4M, Methocel K100LV, and mixtures thereof exhibited non-Fickian dissolution properties governed by both diffusion and erosion (value of diffusional exponent in Peppas's transport equation 0.7). The effects of these two hydroxypropyl methylcellulose (HPMC) varieties were nonlinear and antagonistic.
Diffusion↗
Lisinopril-lactose incompatibility.
A chemical interaction between lisinopril and lactose was demonstrated and quantified in dilute mixtures in the solid state.
Drug Incompatibility↗