Publications by authors named "Matthew Ikhuoria Arhewoh"

Dispensing remains a key component of the pharmacy undergraduate curriculum, teaching skills in the individualized preparation of medicines. In hospitals, pharmacists compound medicines to improve access for patients who would otherwise not have the medicine in the suitable formulation. Current trends suggest that the dispensing curriculum needs to be improved to include topics that will equip students with skills and competences in hospital compounding.

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Ambroxol hydrochloride (AH), a secretion-releasing expectorant, is a good candidate for sustained delivery. Mucilages are biodegradable, inexpensive carriers in microsphere formulations. The study aimed to prepare microspheres of AH using Okra mucilage obtained from pods of Abelmoschus esculentus combined with sodium alginate at various polymer/drug ratios.

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The study investigated the combination effects of the mixture of croscarmellose sodium and Pleurotus tuber-regium powder on the granules and tableting parameters of paracetamol tablets. Five batches (A-E) of paracetamol tablets were formulated using wet granulation method with various combination ratios of croscarmellose sodium and Pleurotus tuber-regium powder as disintegrant incorporated both intra- and extra granularly. Their granule properties such as bulk and tapped densities, angle of repose, Carr's index, Hausner's ratio and post compression parameters such as friability, hardness, disintegration time and drug release profiles were evaluated.

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The binding properties of banana (Musa paradisiaca) starchwas investigated using maize starch BP and polyvinylpyrrolidone (PVP) as standards in the formulation of metformin tablets. Starch from unripe banana fruits was extracted with distilled water. Mucilages of the banana and maize starches and solutions of PVP at 5 and 10 %w/v were used to produce metformin granules by wet granulation and compressed into tablets.

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This work was designed to evaluate the influence of various methods such as dry granulation (DG), wet granulation (using the polymer in an ethanolic solution (WGO) or aqueous dispersion (WGA) and solid dispersion (SD) techniques, on properties of paracetamol matrix tablets prepared using varying concentrations of acrylate methacrylate copolymer. Tablet properties were investigated using official and unofficial standards. Drug dissolution profile assessed at pH 1.

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The effects of polymer concentration on the flow properties of granules and in-vitro release profiles from matrix tablets of three model drugs formulated from pegylated mucin base was investigated. Mucin was extracted from the African giant snail and in combination with PEG was used to produce a copolymer matrix base, which was mixed with the model drugs using wet granulation method. The granules and tablets were evaluated according to official and unofficial requirements.

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