List of Refereed Journals published by UGC, New Delhi on 28-03-2017-- AJRC (Sr. No.-1025); AJM (Sr. No.-2497); RJET (Sr. No.-7220); RJPP (Sr. No.- 7232): RJPPD (Sr. No.- 7234); RJPT (Sr. No.-7235) (19-Apr-2017)        | List of Refereed Journals published by UGC, New Delhi on 11-01-2017-- Research Journal of Pharmacy and Technology (Sr. No.-275); Asian Journal of Management (Sr. No.-3986); Asian Journal of Research in Chemistry (Sr. No.-4008); Research Journal of Engineering and Technology (Sr. No.-31787); Research (22-Jan-2017)        |

Journal :   Research Journal of Pharmacy and Technology

Volume No. :   3

Issue No. :  2

Year :  2010

Pages :   

ISSN Print :  0974-3618

ISSN Online :  0974-360X


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Nanoemulsions - Approaching Thermodynamic Stability



Address:   Dept. of Pharmaceutics, Annamacharya College of pharmacy, Rajampet, Kadappa-District, Andhrapradesh, India.
DOI No: Not Available

ABSTRACT:
Nanoemulsions are part of a broad class of multiphase colloidal dispersions. In the world of nanomaterials, Nanoemulsions hold great promise as useful dispersions of deformable nanoscale droplets that can have flow properties ranging from liquid to highly solid and optical properties ranging from opaque to nearly transparent due to their small droplet sizes posses stability against sedimentation or creaming with Ostwald ripening forming the main mechanism of nanoemulsion breakdown. The long-term physical stability of nanoemulsions with no apparent flocculation or coalescence makes them unique and they are referred to as ‘Approaching Thermodynamic Stability’. Nanoemulsions can be prepared by use of high-pressure homogenizers, use of the low-energy emulsification method at constant temperature or application of the phase inversion temperature (PIT) concept. The compositional flexibility of Nanoemulsions offers a wide range in pharmaceutical applications. This review article emphasizes the formation, properties, mechanism of emulsification and characterization which enable a wide range of interdisciplinary researchers to enter the imperative field of nanoemulsions.
KEYWORDS:
Nanoemulsions, Ostwald ripening, Thermodynamic stability, Phase inversion temperature.
Cite:
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