Degradable, biocompatible, and antibacterial polygalacturonic acid/polyethyleneimine polyplex particles

Author:

Suner Selin Sagbas1ORCID

Affiliation:

1. Department of Chemistry, Faculty of Sciences & Arts, and Nanoscience and Technology Research and Application Center (NANORAC) Canakkale Onsekiz Mart University Canakkale 17100 Turkey

Abstract

AbstractAnionic polygalacturonic acid (PGA), a prebiotic for healthy microbiota, and cationic polyethyleneimine (PEI), a strong antimicrobial polymer against harmful infections, were ionically crosslinked to prepare biocompatible and antibacterial polygalacturonic acid/polyethyleneimine (PGA/PEI) polyplex particles. The PGA/PEI particles were spherical in shape and had a wrinkled surface with a micron size range of particles from 9 to 0.6 μm. The PGA/PEI polyplex particle was degradable under more acidic and basic conditions but was highly stable between pH 3 and 7. The prepared PGA/PEI polyplex particles are found compatible for intravenous applications with hemolysis rate of less than 1% and almost 100% blood clotting index values up to 1 mg/mL concentration. Similarly, no significant toxicity was found on L929 fibroblast cells for 24 h incubation time in the presence of 1 mg/mL concentration of the PGA/PEI polyplex particles. As an antibacterial material, the PGA/PEI polyplex particles totally prevented the growth of Gram‐negative Escherichia coli and Gram‐positive Staphylococcus aureus. Due to the antibacterial, biocompatible, blood compatibility, and degradability, the PGA/PEI polyplex particles can be utilized in wide range of application such as particularly wound dressing, cosmetic and health care products, and drug delivery applications.

Publisher

Wiley

Subject

Polymers and Plastics

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