REVIEW ARTICLE
Year : 2010  |  Volume : 1  |  Issue : 2  |  Page : 2-6

Nanoemulsion: A new concept of delivery system


1 Department of Pharmaceutical Technology, Meerut Inst.of Engg. and Tech, NH-58, Baghpat crossing, Bypass Road, Meerut (UP) 250005, India
2 Laureate Institute of Pharmacy, Kathog, Teh. Dehra, Dist. Kangra, HP, 177101, India

Correspondence Address:
Nitin Sharma
Department of pharmacy, Meerut Inst. of Engg. and Tech, NH-58, Baghpat corssing, Bypass Road, Meerut (UP) 250005
India
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Source of Support: None, Conflict of Interest: None


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Nanoemulsion has been identified as a promising delivery system for various drugs including biopharmaceuticals. Nanoemulsion is a heterogeneous system composed of one immiscible liquid dispersed as droplets within another liquid. The droplets size of nano emulsion is between 20 to 500 nm. Diameter and surface properties of droplets of nanoemulsion plays an important role in the biological behavior of the formulation. Small droplet sizes lead to transparent emulsions so that product appearance is not altered by the addition of an oil phase. In this paper various aspects of nanoemulsion have been discussed including advantages, disadvantages and methods of preparation. Furthermore new approaches of stability of formulation, effect of types and concentration of surfactant, process variables and method are also discussed to improve the stability of nanoemulsion formulation


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