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Site-Targeted Drug Delivery Systems: Polymeric Carriers01:24

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Polymeric carriers enhance targeted drug delivery by increasing efficacy while minimizing off-target effects. These carriers comprise a biodegradable polymeric backbone integrated with functional elements that enable targeting, improve physicochemical properties, and regulate drug release.Targeting MechanismsThe targeting ability of polymeric carriers is mediated by a homing device, which is a molecular recognition component designed to selectively bind to specific tissues or cells. Monoclonal...
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The formation of a colloidal system is exemplified by an aqueous solution containing Cl− ions is introduced to another containing Ag+ ions, resulting in the precipitation of solid AgCl as extremely tiny crystals. Instead of settling out as a filterable precipitate, these crystals remain suspended in the liquid, showcasing a colloidal system.A colloidal system involves colloidal particles within the approximate range of 1 to 1000 nm in at least one dimension, dispersed in a medium called the...
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Colloidal soft matter as drug delivery system.

Giulia Bonacucina1, Marco Cespi, Monica Misici-Falzi

  • 1Department of Chemical Sciences, University of Camerino, via S. Agostino 1, 62032 Camerino, Italy.

Journal of Pharmaceutical Sciences
|May 3, 2008
PubMed
Summary

Soft matter colloidal systems offer versatile drug delivery solutions for various molecules and administration routes. These systems address formulation challenges and improve drug targeting, though further research is needed for optimal efficacy.

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Area of Science:

  • Pharmaceutical Sciences
  • Materials Science
  • Biotechnology

Background:

  • Soft matter colloidal systems are gaining attention for their drug delivery capabilities.
  • They can encapsulate diverse molecules (hydrophilic, lipophilic, small, large) for parenteral and nonparenteral administration.
  • These systems address challenges in formulating poorly water-soluble drugs and stabilizing biological molecules.

Purpose of the Study:

  • To review the role of soft matter colloids in drug delivery and targeting.
  • To highlight current applications and challenges in the field.
  • To emphasize the importance of understanding system properties for effective drug release.

Main Methods:

  • Literature review focusing on colloidal drug delivery systems.
  • Analysis of systems including microemulsions, organogels, liposomes, micelles, and dendrimers.
  • Discussion of drug targeting strategies and challenges.

Main Results:

  • Soft matter systems facilitate the formulation and delivery of challenging drug molecules.
  • They enable sustained release parenteral formulations and targeted drug delivery.
  • Key systems like liposomes, micelles, and dendrimers show significant potential.

Conclusions:

  • Soft matter colloids are crucial for advancing drug delivery and targeting.
  • Further research is essential to understand biological targets and optimize colloidal system interactions.
  • In-depth knowledge of physico-chemical properties is fundamental for successful drug delivery and release mechanisms.