LIPOSOMES: A NOVEL DRUG DELIVERY SYSTEM

Liposomes are microscopic vesicular structures composed mainly of
phospholipids and cholesterol that form bilayer membranes similar to
those found in biological cells. These vesicles are widely used as carriers
for drug delivery in pharmaceutical research because of their ability to
encapsulate both hydrophilic and lipophilic drugs. Liposomes protect the
incorporated drug molecules from degradation and enhance their stability
in biological environments. They also improve the therapeutic efficiency of
drugs by delivering them to specific tissues or organs while minimizing
harmful side effects. Due to their biocompatibility, biodegradability, and
versatility, liposomes are considered an important component of modern
drug delivery systems. They can be administered through different routes,
including oral, topical, intravenous, nasal, ocular, and transdermal routes.
Liposomal formulations are widely used in the treatment of cancer,
infections, and other diseases. In addition, liposomes are used in vaccine
development, gene delivery, and cosmetic formulations. The development
of liposomal drug delivery systems has significantly improved the
effectiveness and safety of many pharmaceutical products.