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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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Affinity based multilayered polymeric self-assemblies for oral wound applications.

Sundar P Authimoolam1, David A Puleo, Thomas D Dziubla

  • 1Department of Chemical and Materials Engineering, University of Kentucky, Lexington, KY 40506, USA.

Advanced Healthcare Materials
|January 22, 2013
PubMed
Summary
This summary is machine-generated.

This study introduces a new layer-by-layer (LBL) self-assembly mouth rinse for oral mucositis. The developed affinity-based barriers show significant stability and wear resistance, offering a promising regenerative therapy for oral wounds.

Keywords:
anti-adhesionbarrier stabilitybiotin-streptavidinlayer-by-layeroral mucositis

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Area of Science:

  • Biomaterials Science
  • Regenerative Medicine
  • Polymer Chemistry

Background:

  • Oral mucositis is a painful complication of cancer therapy, with current treatments offering only temporary relief.
  • There is a need for advanced therapies that provide a durable protective barrier to enhance oral wound healing.
  • Layer-by-layer (LBL) self-assembly offers a modular approach for creating such protective barriers.

Purpose of the Study:

  • To develop and evaluate an affinity-based LBL self-assembly system for oral wound protection.
  • To investigate the stability and wear resistance of these LBL barriers in an intraoral environment.
  • To determine the influence of polymer properties on LBL barrier performance.

Main Methods:

  • Synthesis of biotinylated poly(acrylic acid) for LBL assembly.
  • Utilizing biotin-streptavidin affinity linkages for barrier formation.
  • In vitro chemical and ex vivo mechanical testing to assess barrier stability and wear resistance.

Main Results:

  • The developed LBL assemblies demonstrated significant stability and wear resistance.
  • Polymer molecular weight (MW) and the number of LBL layers significantly impacted chemical barrier stability.
  • The extent of biotin conjugation was crucial for both LBL development and mechanical barrier stability.

Conclusions:

  • Affinity-based LBLs show excellent barrier properties for potential application in oral mucosal injuries.
  • This modular approach offers a promising regenerative therapy for enhancing oral wound healing.
  • The study highlights the importance of polymer characteristics and conjugation extent in LBL barrier performance.