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Updated: May 29, 2026
16:38
Bridging the Bio-Electronic Interface with Biofabrication
Published on: June 6, 2012
Polymeric systems containing dual biologically active ions.
Francisco Parra-Ruiz1, Estefanía Toledano, Mar Fernández-Gutiérrez
1Institute of Polymer Science and Technology, CSIC, C/Juan de la Cierva 3, 28006 Madrid, Spain.
European Journal of Medicinal Chemistry
|September 6, 2011
Summary
Researchers developed novel polymers incorporating anti-inflammatory drugs (NSAIDs) that release medication over 10 days. These advanced materials also exhibit significant antimicrobial and anti-inflammatory properties.
Area of Science:
- Polymer Chemistry
- Materials Science
- Medicinal Chemistry
Background:
- Development of advanced drug delivery systems is crucial for effective therapeutic outcomes.
- Non-steroidal anti-inflammatory drugs (NSAIDs) are widely used but can have limitations in sustained delivery and side effects.
- Combining drug functionalities with polymerizable groups offers novel therapeutic possibilities.
Purpose of the Study:
- To synthesize and characterize dual functional polymerizable salts linking quaternary ammonium cations with NSAIDs (meclofenamic acid, ketoprofen, ibuprofen).
- To create and evaluate polymeric and copolymeric systems from these salts using acrylic monomers.
- To investigate the drug release kinetics, antimicrobial activity, and anti-inflammatory potential of the synthesized materials.
Main Methods:
- Synthesis of polymerizable salts containing NSAIDs.
- Polymerization and copolymerization with methyl methacrylate and 2-hydroxyethyl methacrylate.
- Drug release studies over 10 days.
- Antimicrobial activity testing against Gram-positive and Gram-negative bacteria.
- Nitric oxide inhibitory assays on RAW 264.7 cells for anti-inflammatory evaluation.
Main Results:
- Sustained release of NSAIDs from polymeric and copolymeric systems was observed for up to 10 days.
- Drug release behavior was influenced by the hydrophobicity/hydrophilicity of the polymer and the drug.
- Monomeric and polymeric derivatives showed significant antimicrobial activity against tested bacteria, with polymers exhibiting higher efficacy.
- Copolymer extracts demonstrated potent anti-inflammatory activity, inhibiting nitric oxide production by approximately 80% within seven days.
Conclusions:
- Dual functional polymerizable NSAID salts and their derived polymers represent a promising platform for advanced drug delivery.
- These materials exhibit dual therapeutic potential, offering sustained drug release, antimicrobial action, and anti-inflammatory effects.
- The developed polymeric systems show potential for applications requiring localized and prolonged therapeutic action.
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