Thin surface layer of plasma treated polyethylene

Kotál, V.; Stopka, Pavel; Sajdl, Petr; Švorčı́k, Václav

doi:10.1007/s11223-008-0023-y

Cited by 7 publications

(3 citation statements)

References 10 publications

(2 reference statements)

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“…The decrease of R is a result of radical recombination [22]. Detailed comment of EPR observation (''aging'' of radicals) will be described elsewhere [23].…”

Section: Chemical Structure After Plasma Treatmentmentioning

confidence: 99%

Ablation and water etching of poly(ethylene) modified by argon plasma

Švorčı́k

Kotál

Siegel

et al. 2007

Polymer Degradation and Stability

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“…The decrease of R is a result of radical recombination [22]. Detailed comment of EPR observation (''aging'' of radicals) will be described elsewhere [23].…”

Section: Chemical Structure After Plasma Treatmentmentioning

confidence: 99%

Ablation and water etching of poly(ethylene) modified by argon plasma

Švorčı́k

Kotál

Siegel

et al. 2007

Polymer Degradation and Stability

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“…Noble gases-based plasma treatment has widely been used in a diversity of applications, e.g., surface modification of polymers [ 11 , 12 , 13 , 14 , 15 , 16 , 17 ], glass [ 18 ], carbon fibres [ 19 ], superconductors [ 20 ], metal and alloys [ 21 , 22 ], and textiles [ 23 , 24 , 25 , 26 ]. As for medical uses, there are several studies conducted on cleaning surfaces [ 27 , 28 , 29 ] and cell attachment [ 30 , 31 , 32 , 33 , 34 , 35 ].…”

Section: Introductionmentioning

confidence: 99%

Cell Proliferation of HaCaT Keratinocytes on Collagen Films Modified by Argon Plasma Treatment

et al. 2010

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Argon plasma treatment was used to modify the surface of atelocollagen films using a plasmochemical reactor. To evaluate the effects of the treatment, the untreated and treated samples were characterized by Attenuated Total Reflectance Fourier Transform Infrared Spectroscopy (ATR-FTIR), Scanning Electron Microscopy (SEM) imaging, and X-ray Photoelectron Spectroscopy (XPS) techniques. Cell growth was carried out by culturing human immortalized keratinocyte (HaCaT) cells and proliferation was measured via MTT assay. It was observed that argon plasma treatment significantly enhanced the extent of cell proliferation, which was ascribed to the favourable role of plasma treatment in inducing surface oxygen-containing entities together with increasing surface roughness. This can be considered as a potentially promising approach for tissue regeneration purposes.

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“…The initial effect produced in solid polymers by the action of high energy radiation is the formation of macroradicals . The primary products are involved, after their formation, in complex secondary reactions, which result in radiation chemical effects such as crosslinking, gas evolution, and unsaturation in chemical bonding …”

Section: Introductionmentioning

confidence: 99%

EPR study of the relationship between ultra high molecular weight polyethylene structure and radicals formed during irradiation with high energy sources

Brunella

Paganini

2014

Magn. Reson. Chem.

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This is the author's final version of the contribution published as: Brunella, Valentina; Paganini, Maria Cristina. EPR study of the relationship between ultra high molecular weight polyethylene structure and radicals formed during irradiation with high energy sources. AbstractThree different samples of ultra high molecular weight polyethylene (UHMWPE) have been irradiated with high energy source (electron beam) and radicals have been generated. Different radical species have been assigned on the basis of their EPR spectra. EPR data have been used also to evaluate the amount of each kind of radicals that have been generated on different starting materials. The structure of the polymer (number of double bonds, or crystallinity) is strictly connected to the response of the sample itself to the irradiation. A rationalization between these different parameters have been performed in order to evaluate the stability of polymer samples towards high energy irradiation processes.

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Thin surface layer of plasma treated polyethylene

Abstract: T h in S u r f a c e L a y e r o f P la s m a T r e a t e d P o ly e t h y

Cited by 7 publications

References 10 publications

Ablation and water etching of poly(ethylene) modified by argon plasma

Ablation and water etching of poly(ethylene) modified by argon plasma

Cell Proliferation of HaCaT Keratinocytes on Collagen Films Modified by Argon Plasma Treatment

EPR study of the relationship between ultra high molecular weight polyethylene structure and radicals formed during irradiation with high energy sources

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