Review Articles

2018  |  Vol: 3(2)  |  Issue: 2(March-April) | https://doi.org/10.31024/apj.2018.3.2.2
Nanoemulsion: A brief review on development and application in Parenteral Drug Delivery

Tushar Hemant Nikam, Mahesh Pralhad Patil, Snehal Sunil Patil, Gautam P. Vadnere, Santram Lodhi*

Department of Pharmacognosy,

Smt. Sharadchandrika Suresh Patil College of Pharmacy, Chopda Dist. Jalgaon (Maharashtra) 425107 India.

*Address for Corresponding Author

Dr. Santram Lodhi

Department of Pharmacognosy,

Smt. Sharadchandrika Suresh Patil College of Pharmacy, Chopda Dist. Jalgaon (Maharashtra)  425107 India.

Email: srlodhi78@gmail.com

Abstract

An advanced mode of drug delivery system has been developed to overcome the major drawbacks associated with conventional drug delivery systems. This review gives a detailed idea about a nanoemulsion system. Nanoemulsions are nano-sized emulsions, which are manufactured for improving the delivery of active pharmaceutical ingredients. These are the thermodynamically stable isotropic system in which two immiscible liquids are mixed to form a single phase by means of an emulsifying agent, i.e., surfactant and co-surfactant. The droplet size of nanoemulsion falls typically in the range 20–200 nm. Nanoemulsions are biphasic dispersion of two immiscible liquids: either water in oil (W/O) or oil in water (O/W) droplets stabilized by an amphiphilic surfactant. These come across as ultrafine dispersions whose differential drug loading; viscoelastic as well as visual properties can cater to a wide range of functionalities including drug delivery. However there is still relatively narrow in sight regarding development, manufacturing, fabrication and manipulation of nanoemulsions which primarily stems from the fact that conventional aspects of emulsion formation and stabilization only partially apply to nanoemulsions. This general deficiency sets up the premise for current review. We attempt to explore varying intricacies, excipients, manufacturing techniques and their underlying principles, production conditions, structural dynamics, prevalent destabilization mechanisms, and drug delivery applications of nanoemulsions to spike interest of those contemplating a foray in this field.

Keywords: Nanoemulsions, amphiphilic surfactant, water in oil (W/O), oil in water (O/W)

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