Challenges in the physical characterization of lipid nanoparticles

Supandeep Singh Hallan, Maddalena Sguizzato, Elisabetta Esposito, Rita Cortesi (Coresponding Author)

Research output: Contribution to journalReview articlepeer-review

8 Citations (Scopus)

Abstract

Nano-sized drug transporters have become an efficient approach with considerable commercial values. Nanomedicine is not only limited to drug delivery by means of different administration routes, such as intravenous, oral, transdermal, nasal, pulmonary, and more, but also has applications in a multitude of areas, such as a vaccine, antibacterial, diagnostics and imaging, and gene delivery. This review will focus on lipid nanosystems with a wide range of applications, taking into consideration their composition, properties, and physical parameters. However, designing suitable protocol for the physical evaluation of nanoparticles is still conflicting. The main obstacle is concerning the sensitivity, reproducibility, and reliability of the adopted methodology. Some important techniques are compared and discussed in this report. Particularly, a comparison between different techniques involved in (a) the morphologic characterization, such as Cryo-TEM, SEM, and X-ray; (b) the size measurement, such as dynamic light scattering, sedimentation field flow fractionation, and optical microscopy; and (c) surface properties, namely zeta potential measurement, is described. In addition, an amperometric tool in order to investigate antioxidant activity and the response of nanomaterials towards the skin membrane has been presented.

Original languageEnglish
Article number549
JournalPharmaceutics
Volume13
Issue number4
DOIs
Publication statusPublished - Apr 2021
Externally publishedYes

Keywords*

  • Cubosomes
  • Ethosomes
  • Gels
  • Liposomes
  • Nanoparticles
  • Nanostructured lipid carriers
  • Nanotechnology
  • Novel drug delivery system
  • Solid lipid nanoparticles

Field of Science*

  • 1.4 Chemical sciences
  • 3.1 Basic medicine

Publication Type*

  • 1.1. Scientific article indexed in Web of Science and/or Scopus database

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