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Updated: Jun 14, 2026

Solid Lipid Nanoparticles (SLNs) for Intracellular Targeting Applications
Published on: November 17, 2015
Chapter 10 - Solid lipid nanoparticles and microemulsions for drug delivery The CNS
Maria Rosa Gasco1, Lorenzo Priano, Gian Paolo Zara
1Nanovector s.r.l, Torino, Italy. maria.gasco@nanovechor.it
Solid lipid nanoparticles (SLN) and microemulsions effectively deliver drugs to the central nervous system. These nanocarriers significantly improve drug pharmacokinetic parameters compared to conventional formulations.
Area of Science:
- Nanotechnology
- Pharmacology
- Drug Delivery
Background:
- Solid lipid nanoparticles (SLN) and microemulsions are advanced drug delivery systems.
- Targeting the central nervous system (CNS) presents significant challenges in drug administration.
Purpose of the Study:
- To evaluate the efficacy of SLN and microemulsions as drug carriers for CNS delivery.
- To assess the pharmacokinetic improvements of drugs formulated in SLN and microemulsions.
Main Methods:
- In vivo administration of various drugs (doxorubicin, apomorphine, melatonin) using SLN and microemulsions in animal models and human patients.
- Intravenous, duodenal, transdermal, and oral administration routes were investigated.
- Pharmacokinetic studies were conducted to analyze drug behavior in the body.
Main Results:
- SLN and microemulsions demonstrated successful in vivo drug transport to the central nervous system.
- Significant improvements in key pharmacokinetic parameters were observed for drugs delivered via these nanocarriers.
- Enhanced drug bioavailability and efficacy were noted compared to free drugs or commercial formulations.
Conclusions:
- Solid lipid nanoparticles and microemulsions represent promising strategies for enhancing drug delivery to the central nervous system.
- These nanocarriers offer improved pharmacokinetic profiles, potentially leading to more effective therapies.
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