A Recent Update: Solid Lipid Nanoparticles for Effective Drug Delivery.

Area of Science:

• Pharmaceutical Sciences
• Nanotechnology
• Biomedical Engineering

Background:

• Solid lipid nanoparticles (SLNs) are advanced drug delivery systems designed to overcome challenges in bioavailability and targeted delivery.
• SLNs offer a versatile platform for encapsulating various therapeutic agents, including small molecules and biologics.

Purpose of the Study:

• To provide a comprehensive review of solid lipid nanoparticles (SLNs) in drug delivery.
• To cover essential details including preparation methods, characterization, in vivo behavior, and applications of SLNs.
• To highlight advancements in SLN technology for biological drug delivery and disease targeting.

Main Methods:

• Literature review encompassing preparation techniques, characterization methods, and in vivo studies of SLNs.
• Analysis of different SLN models and surface modification strategies.
• Compilation of research findings and approved patent technologies related to SLNs.

Main Results:

• SLNs demonstrate significant potential for improving drug bioavailability and enabling targeted delivery.
• Surface-modified SLNs are particularly promising for controlled and site-specific drug release.
• SLNs are being advanced for delivering biological drugs such as gene vectors, vaccine adjuvants, proteins, and peptides.

Conclusions:

• Solid lipid nanoparticles (SLNs) represent a highly adaptable technology with vast potential for diverse therapeutic and diagnostic applications.
• The fabrication of functionalized SLNs facilitates targeted delivery and diagnosis of various diseases.
• This review identifies unexplored areas and reframes the potential of SLNs for future research and development.