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Related Experiment Video

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Solid Lipid Nanoparticles SLNs for Intracellular Targeting Applications
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Silibinin loaded inhalable solid lipid nanoparticles for lung targeting.

Priya Patel1, Mihir Raval1, Vishal Airao1

  • 1Department of Pharmaceutical Sciences, Saurashtra University, Rajkot, India.

Journal of Microencapsulation
|November 26, 2021
PubMed
Summary
This summary is machine-generated.

This study developed inhalable solid lipid nanoparticles (SLNs) loaded with silibinin, demonstrating improved bioavailability and potent anticancer activity. The optimized formulation is safe for lung delivery.

Keywords:
A549Lung cancerhistopathologyinhalation deliverysilibininsolid lipid nanoparticle

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Area of Science:

  • Nanotechnology
  • Pharmaceutical Sciences
  • Drug Delivery

Background:

  • Silibinin, a natural compound, has shown anticancer properties but suffers from poor bioavailability.
  • Solid lipid nanoparticles (SLNs) offer a promising approach to enhance drug delivery and therapeutic efficacy.

Purpose of the Study:

  • To formulate inhalable silibinin-loaded solid lipid nanoparticles (SLNs) with controlled particle size.
  • To improve the bioavailability and anticancer efficacy of silibinin through pulmonary delivery.

Main Methods:

  • SLNs were prepared using high shear homogenization.
  • Characterization included particle size analysis, zeta potential, entrapment efficiency, aerodynamic behavior (MMAD, GSD), DSC, FTIR, and MTT assay for in vitro anticancer activity.

Main Results:

  • Optimized SLNs exhibited a spherical shape with a mean particle size of 221 nm and a narrow size distribution (PI 0.121).
  • Aerodynamic properties (MMAD 5.487 µm, GSD 2.321) confirmed suitability for inhalation.
  • In vitro studies showed enhanced anticancer efficacy against A549 cells.

Conclusions:

  • Inhalable silibinin-loaded SLNs were successfully engineered.
  • The formulation demonstrated good aerodynamic characteristics and enhanced anticancer activity.
  • The developed SLNs are safe for pulmonary administration.