Iron-Oxide-Nanoparticles-Doped Polyaniline Composite Thin Films
Bogdan Butoi1, Carmen Steluta Ciobanu2, Simona Liliana Iconaru2
1National Institute for Laser, Plasma and Radiation Physics, 409 Atomistilor Street, P.O. Box MG 36, Magurele, 077125 Bucharest, Romania.
Polymers
|May 14, 2022
Summary
This study introduces novel iron-oxide-doped polyaniline (PANI-IO) thin films created using plasma polymerization. These biocompatible PANI-IO films show uniform iron oxide distribution and continuous morphology, suitable for various applications.
Area of Science:
- Materials Science
- Biotechnology
- Plasma Physics
Background:
- Polyaniline (PANI) is a conductive polymer with potential biomedical applications.
- Iron oxide doping can modify PANI properties for enhanced functionality.
- Developing novel synthesis methods for functional thin films is crucial.
Purpose of the Study:
- To synthesize iron-oxide-doped polyaniline (PANI-IO) thin films for the first time using direct current glow discharge plasma.
- To characterize the surface morphology and chemical composition of the PANI-IO thin films.
- To evaluate the in vitro biocompatibility of the synthesized PANI-IO thin films.
Main Methods:
- Polymerization of aniline monomers and iron oxide solutions in DC glow discharge plasma.
- Deposition of PANI-IO thin films on Si wafers.
- Characterization using SEM, FTIR, AFM, MM, and XPS.
- In vitro biocompatibility testing with Caco-2 cells, assessing cell viability, LDH activity, and NO levels.
Main Results:
- Uniform distribution of iron oxide particles within PANI layers was achieved.
- XPS analysis confirmed Fe-O bonds associated with magnetite.
- AFM revealed a uniformly distributed and continuous PANI-IO thin film morphology.
- In vitro studies showed no significant changes in Caco-2 cell viability, LDH activity, or NO levels compared to control.
Conclusions:
- Novel PANI-IO thin films were successfully synthesized via plasma polymerization.
- The synthesized films exhibit desirable morphology and composition for potential applications.
- PANI-IO thin films demonstrate excellent in vitro biocompatibility, indicating their safety for biological use.
