Q. Lyposomes are used as carriers for drugs and macromolecules in pharmaceutical formulations. They are
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(A)
Phospholipids dispersed gently in aqueous medium to obtain multilamellar vesicles
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(B)
Hydrophilic or lipophilic polymer matrix with a drug reservoir
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(C)
A shallow compartment moulded from a drug impermeable system and rate controlling polymeric membrane
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(D)
Microporous membrane made from ethylene / vinyl acetate polymer
β
Correct Answer: (D)
Microporous membrane made from ethylene / vinyl acetate polymer