Sun, 17 Dec 2017

Techniques for Preparation of Pharmaceutical Coated Nanoparticles: A Comprehensive Review

 

Pardeep Kumar*, Prashant Kumar, Gourav Rajoria, R. K. Narang

 

1. Nanomedicine Research Laboratory, ISF College of Pharmacy, Moga - 142001, Punjab, India


 

ABSTRACT

The traditional formulations like solution, suspension or emulsion suffer from certain limitations like high dose and low bioavailability, first pass metabolism, intolerance, instability and also exhibit fluctuations in plasma drug levels and do not provide sustained effect, therefore, there is a need for some novel carriers which could attain ideal requirements of a drug delivery system. Nanoparticles delivery system has been proved nearly ideal one. Nanoparticles are, a type of colloidal drug carrier system comprising particles with diameter of nano-metric range. The rapid development of nanotechnology and nano-materials has led to a need for nanoparticle surface modification for a variety of applications. The surface can be tailored to specific physical, optical, electronic, chemical, and biomedical properties by coating a thin film of material on the surface of the nanoparticles. The coating or encapsulation of nanoparticles has been found to be of particular interest for the controlled release of drugs, genes and other bioactive agents. Controlled release systems provide the benefits of protection from rapid degradation, targeting delivery, control of the release rate and prolonged duration of bioactive agents. This article have a keen emphasize on the techniques used for the formulation of nanoparticles and their coating too along with associated cautions and significance related to special applications which reveals a better way to choose the suitable and efficacious technique to obtain a nano-sized formulation. It also reveals the need of regulatory framework for handling of nanoparticles.

Keywords: Nanoparticles, coated nanoparticles, coating techniques, targeted drug delivery.


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