Abstract
The objective of our present study is to optimize Chitosan coated liposomes formulation by Response surface methodology using 3-factor Box-Behnken Design. Different polymers based liposomes used for delivery of stable pH dependent formulation. Chitosan has been used as a pH sensitive polymer coating to target nanoparticles specifically to tumors which have a slightly acidic pH. Closed membrane system can accommodate amphiphilic or lipophilic drugs in vesicles. The optimized batch was formulated as a liposome delivery system and evaluation was done. To evaluate the unentrapped drug Shimadzu UV-Spectrometry at 228 nm was used and absorbance was noted. Response surface graph was prepared to predict value and the optimized formulation (Chitosan coated liposomes) can be used for loading of bio-active.The values of percent drug entrapment and average vesicle size were presented and found formulation F3&F5 were optimized for further evaluating on basis of particle size and drug loading.
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