Piyush Khullar

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Matrix-based controlled-release niacin tablets were formulated using guar gum. The effect on the in vitro dissolution profile was examined using variable guar gum content in the formulation. It was observed that the dissolution profile declined with the increase in the guar gum content in the tablet. The in vitro dissolution profile was also observed under(More)
Polymeric hydrophilic matrices are widely used for controlled-release preparations. The process of drug release is controlled by matrix swelling or polymer dissolution. It has been shown that the swelling of guar gum is affected by concentration of drug and viscosity grade of the polymer. This study examines the mechanism of behavior of guar gum in a(More)
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