A REVIEW: PHARMACEUTICAL GELS AND ITS TYPES WITH ROLE OF ITS DRUG DELIVERY SYSTEMS
Dr. Aduri Prakash Reddy*, Dr. G. Nagaraju, K. Saritha, N. Sravani, S. Sarojini5 and T. Chaitanya
ABSTRACT
The goal of this review was to compile recent literature with a special emphasis on a rational approach to topical formulation and basic components of topical drug delivery systems. Topical drug delivery systems include a wide range of pharmaceutical dosage forms such as semisolids, liquid preparations, sprays, and solid powders. A gelis across linked polymer net work that has swollen in a liquid medium. Its properties are heavily influenced by the interaction of the solid-state polymer and the liquid component. The I.P. defines Gels are homogeneous, semisolid preparations usually consisting of solutions or dispersions of one or more medicaments in suitable hydrophilic or hydrophobic bases. Gels consist of two-phase system in which inorganic particles are not dissolved but merely dispersed throughout the continuous phase and large organic particles are dissolved in the continuous phase, randomly coiled in the flexible chains. Gels are typically formed from a liquid phase that has been thickened with other components.
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