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Current Topics in Pharmacology   Volumes    Volume 17  Issue 2
Potentials of natural polymers as nanomaterials for pharmaceutical drug delivery
Olufunke C. Babalola, Adenike Okunlola, Oluwatoyin A. Odeku
Pages: 27 - 39
Number of pages: 13
Current Topics in Pharmacology
Volume 17  Issue 2

Copyright © 2013 Research Trends. All rights reserved

During the last decades, pharmaceutical technology has taken advantage of the advent of nanotechnology for its application in four broad areas of the pharmaceutical industry: drug delivery, diagnostic products, biomarker discovery and product packaging. Of all the potential pharmaceutical applications of nanotechnology, drug delivery is currently the most developed and seems to be the most promising for the long-term. Of great advantage is the concept and ability to manipulate molecules and supramolecular structures to produce drug delivery devices with great potential for improving the efficacy of drug delivery systems. Polymeric nanoparticles are colloidal carriers which usually consist of synthetic, semi-synthetic or natural polymers, and depending on the materials used and their manufacturing methods, nanoparticles can adopt diverse shapes and sizes with distinct properties. Natural polymers such as gelatin, albumin, alginate and chitosan have great potentials because of their inherent properties such as biocompatibility, non-immunogenicity, non-toxicity and biodegradability. In addition, they can be subjected to physical and chemical modifications to alter their physicochemical properties resulting in a wide range of functional properties that may permit their application as polymers for the formulation of nanoparticles. Moreover, they have been found to be more readily available, flexible to regulatory issues and relatively inexpensive when compared to the synthetic polymers. This paper is a review of some natural polymers that have shown promise as biodegradable polymers for the formulation of nanoparticulate drug delivery systems.
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