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Capillary Electrophoresis to Monitor Peptide Grafting onto Chitosan Films in Real Time

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Chitosan/pectin/gum Arabic polyelectrolyte complex: process-dependent appearance, microstructure analysis and its

Ruei-Yi Tsai¹, Pin-Wen Chen, Ting-Yun Kuo

¹Department of Chemical Engineering, National Taiwan University, Taipei 106, Taiwan.

Carbohydrate Polymers

|December 5, 2013

Summary

This summary is machine-generated.

Novel chitosan/pectin/gum Arabic polyelectrolyte complex (PEC) membranes show enhanced mechanical strength and hydrophilicity. These PEC membranes demonstrate potential for controlled drug delivery, offering steady insulin release for 6 hours.

Keywords:

A C C/A C/P C/P/A Chitosan Controlled drug release Gum Arabic HAc Microstructure P PEC Pectin Polyelectrolyte complex (PEC)acetic acid chitosan chitosan/gum Arabic chitosan/pectin chitosan/pectin/gum Arabic gum Arabic pectin polyelectrolyte complex

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Published on: August 19, 2015

Area of Science:

Biomaterials Science
Polymer Chemistry
Drug Delivery Systems

Background:

Chitosan and pectin are biocompatible polymers with potential in biomedical applications.
Polyelectrolyte complexes (PECs) offer tunable properties for advanced material development.
Gum Arabic can modify the properties of biopolymer blends.

Purpose of the Study:

To prepare and characterize novel chitosan/pectin/gum Arabic polyelectrolyte complex (PEC) solutions and membranes.
To evaluate the influence of composition on PEC properties and performance.
To assess the potential of these PEC membranes for biomedical applications, particularly drug delivery.

Main Methods:

Preparation of PEC solutions and membranes with varying chitosan, pectin, and gum Arabic ratios.
Analysis of solution appearance, viscosity, and microstructure.
Characterization of membrane mechanical strength and hydrophilicity.
In vitro drug release studies using insulin.

Main Results:

PEC solution clarity and viscosity were dependent on preparation methods and component ratios.
Addition of gum Arabic reduced solution viscosity, forming specific microstructures.
The 84/8/8 (chitosan/pectin/gum Arabic) PEC membranes exhibited improved mechanical strength and hydrophilicity over pure chitosan.
The 84/8/8 PEC membranes facilitated steady and nearly complete insulin release over 6 hours.

Conclusions:

Chitosan/pectin/gum Arabic PECs offer tunable properties for biomedical use.
The 84/8/8 PEC membrane composition demonstrates significant potential for controlled drug release applications.
These novel PEC membranes represent a promising platform for advanced drug delivery systems.