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Related Experiment Video

Updated: Jul 13, 2026

Realistic Membrane Modeling Using Complex Lipid Mixtures in Simulation Studies
07:31

Realistic Membrane Modeling Using Complex Lipid Mixtures in Simulation Studies

Published on: September 1, 2023

X-ray diffraction from paclitaxel-loaded zwitterionic and cationic model membranes.

Leide P Cavalcanti1, Oleg Konovalov, Heinrich Haas

  • 1European Synchrotron Radiation Facility, Grenoble, France.

Chemistry and Physics of Lipids
|July 31, 2007
PubMed
Summary

This study reveals how the anticancer drug paclitaxel integrates into lipid membranes using X-ray diffraction. Paclitaxel alters lipid bilayer spacing, with excess drug forming crystals, offering insights into drug-lipid interactions.

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Area of Science:

  • Materials Science
  • Biophysics
  • Pharmacology

Background:

  • Paclitaxel is a hydrophobic anticancer drug with limited solubility.
  • Understanding drug incorporation into lipid matrices is crucial for drug delivery systems.

Purpose of the Study:

  • To investigate the structural organization of paclitaxel within various lipid matrices.
  • To determine the effect of paclitaxel on lipid bilayer spacing and structure.

Main Methods:

  • Liposome suspensions of cationic and zwitterionic lipids with varying paclitaxel molar fractions were prepared.
  • Aligned multilayer lipid stacks were formed on glass substrates.
  • X-ray diffraction (XRD) measurements were used to analyze the multilamellar structures.

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Long-term Live-cell Imaging to Assess Cell Fate in Response to Paclitaxel
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Long-term Live-cell Imaging to Assess Cell Fate in Response to Paclitaxel

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Preparation and Characterization of Individual and Multi-drug Loaded Physically Entrapped Polymeric Micelles
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Preparation and Characterization of Individual and Multi-drug Loaded Physically Entrapped Polymeric Micelles

Published on: August 28, 2015

Related Experiment Videos

Last Updated: Jul 13, 2026

Realistic Membrane Modeling Using Complex Lipid Mixtures in Simulation Studies
07:31

Realistic Membrane Modeling Using Complex Lipid Mixtures in Simulation Studies

Published on: September 1, 2023

Long-term Live-cell Imaging to Assess Cell Fate in Response to Paclitaxel
08:29

Long-term Live-cell Imaging to Assess Cell Fate in Response to Paclitaxel

Published on: May 14, 2018

Preparation and Characterization of Individual and Multi-drug Loaded Physically Entrapped Polymeric Micelles
07:32

Preparation and Characterization of Individual and Multi-drug Loaded Physically Entrapped Polymeric Micelles

Published on: August 28, 2015

Main Results:

  • Well-ordered multilamellar lipid layers were confirmed by XRD Bragg peaks.
  • Paclitaxel incorporation modified the bilayer spacing in a lipid-type-dependent manner.
  • Excess paclitaxel led to the formation of drug crystals, indicating solubility limits.

Conclusions:

  • The study provides insights into the solubility of paclitaxel in different lipid membranes.
  • A structural model for paclitaxel organization within lipid bilayers was proposed.
  • Findings are relevant for designing paclitaxel-loaded lipid-based drug delivery systems.