Stimuli-Responsive Cationic Lyotropic Liquid Crystalline Nanoparticles: Formulation Process, Physicochemical and...

Area of Science:

• Nanotechnology
• Materials Science
• Biophysics

Background:

• Lyotropic liquid crystalline nanoparticles offer advanced drug delivery with unique internal structures.
• Phytantriol lipid-based nanoparticles are explored for their potential in drug delivery systems.

Purpose of the Study:

• To formulate cationic non-lamellar lyotropic-lipidic liquid crystalline nanoparticles using phytantriol lipid.
• To characterize the physicochemical properties and stimuli-responsiveness of these nanoparticles.
• To evaluate their potential for drug delivery applications, specifically incorporating resveratrol.

Main Methods:

• Formulation of nanoparticles using phytantriol lipid and a poly(2-(dimethylamino)ethyl methacrylate)-b-poly(lauryl methacrylate) block copolymer stabilizer.
• Characterization using light scattering techniques and fluorescence spectroscopy.
• Morphological analysis via cryo-transmission electron microscopy (cryo-TEM).
• Incorporation and entrapment efficiency assessment of resveratrol.

Main Results:

• Nanoparticle properties depend on lipid type and polymer stabilizer architecture.
• Demonstrated stealth properties towards proteins.
• Exhibited stimuli-responsive behavior and high entrapment efficiency for resveratrol.
• Cryo-TEM revealed expanded internal three-dimensional structures.

Conclusions:

• The developed liquid crystalline nanoparticles possess high cationic potential and loading capacity.
• Stimuli-responsive nature and intriguing 3D structures make them suitable for pharmaceutical applications.
• These nanocarriers represent a promising platform for advanced drug delivery systems.