2020
DOI: 10.3390/polym12010111
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Gamma Ray-Induced Polymerization and Cross-Linking for Optimization of PPy/PVP Hydrogel as Biomaterial

Abstract: Conducting polymer (CP)-based hydrogels exhibit the behaviors of bending or contraction/relaxation due to electrical stimulation. They are similar in some ways to biological organs and have advantages regarding manipulation and miniaturization. Thus, these hydrogels have attracted considerable interest for biomedical applications. In this study, we prepared PPy/PVP hydrogel with different concentrations and content through polymerization and cross-linking induced by gamma-ray irradiation at 25 kGy to optimize … Show more

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Cited by 44 publications
(27 citation statements)
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“…The radiolysis of the aqueous solution by gamma (γ)‐rays generates reactive radical species and subsequently initiates the polymerization of monomers to form polymer 87,88 . The preparation of CPs using γ‐radiation was mainly accompanied by the addition of oxidants 89 .…”
Section: Synthesis Of Ppymentioning
confidence: 99%
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“…The radiolysis of the aqueous solution by gamma (γ)‐rays generates reactive radical species and subsequently initiates the polymerization of monomers to form polymer 87,88 . The preparation of CPs using γ‐radiation was mainly accompanied by the addition of oxidants 89 .…”
Section: Synthesis Of Ppymentioning
confidence: 99%
“…The advantages of radiolysis polymerization using γ‐ray radiation including: (i) the reactions are simple, (ii) easy to carry out in various environments, (iii) unnecessary to use chemical additives, and (iv) possible to adjust radiation dose to fabricate polymers with diverse properties 88 . Despite such advantages, radiolysis polymerization is not suitable to be used for organic monomers that exhibit poor processability, low solubility, and even sometimes insoluble 89…”
Section: Synthesis Of Ppymentioning
confidence: 99%
“…The application of gamma irradiation to biodegradable films has been reported to alter the characteristics and subsequently improved the mechanical and barrier properties of the films [6]. It was necessary to irradiate biodegradable films to induce a possible crosslink of the macromolecules as reported in the literature [8][9][10]. It must, however, be noted that the use of gamma irradiation on a packaged product or material has no hazardous effect [11][12][13].…”
Section: Introductionmentioning
confidence: 99%
“…It allows electrons to delocalize within the entire system of polymer [ 53 ]. The delocalized electrons move almost freely within the polymer system, acting as carriers of conductive charges [ 54 ]. Polymers can be transformed to pose conductivity by allowing the free transfer of electrons between bonds to form anions.…”
Section: Resultsmentioning
confidence: 99%