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A novel method to prepare monodisperse microparticles

N Muramatsu1, K Nakauchi

  • 1Faculty of Pharmaceutical Sciences, Science University of Tokyo, Japan.

Journal of Microencapsulation
|November 18, 1998
PubMed
Summary
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Membrane emulsification successfully created uniform albumin microspheres. Adjusting albumin concentration and heat treatment controlled particle size and sustained drug release from these albumin delivery systems.

Area of Science:

  • Biomaterials Science
  • Drug Delivery Systems
  • Particle Engineering

Background:

  • Albumin microspheres are promising for drug delivery.
  • Controlling microsphere properties is crucial for efficacy.
  • Membrane emulsification offers a method for uniform particle production.

Purpose of the Study:

  • To prepare monodisperse albumin microspheres using membrane emulsification.
  • To investigate the influence of process parameters on microsphere characteristics.
  • To evaluate the drug release profile from the prepared microspheres.

Main Methods:

  • Membrane emulsification of albumin solution into kerosene.
  • Heat-induced denaturation of emulsion droplets to form microspheres.
  • Analysis of microsphere size, shape, and drug release kinetics.

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Main Results:

  • Monodisperse albumin microspheres were successfully prepared.
  • Particle size and shape were dependent on albumin concentration and heat treatment temperature.
  • Sustained release of incorporated riboflavin was achieved by increasing albumin concentration and heat treatment temperature.

Conclusions:

  • Membrane emulsification is an effective method for producing monodisperse albumin microspheres.
  • Process parameters significantly influence microsphere properties and drug release.
  • Optimized albumin microspheres show potential for controlled drug delivery applications.