Tuning Surface Chemistry of Polyetheretherketone by Gold Coating and Plasma Treatment

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F17%3A43913882" target="_blank" >RIV/60461373:22310/17:43913882 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/60461373:22330/17:43913882

Výsledek na webu

<a href="https://doi.org/10.1186/s11671-017-2182-x" target="_blank" >https://doi.org/10.1186/s11671-017-2182-x</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1186/s11671-017-2182-x" target="_blank" >10.1186/s11671-017-2182-x</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Tuning Surface Chemistry of Polyetheretherketone by Gold Coating and Plasma Treatment

Popis výsledku v původním jazyce

Polyetheretherketone (PEEK) has good chemical and biomechanical properties that are excellent for biomedical applications. However, PEEK exhibits hydrophobic and other surface characteristics which cause limited cell adhesion. We have investigated the potential of Ar plasma treatment for the formation of a nanostructured PEEK surface in order to enhance cell adhesion. The specific aim of this study was to reveal the effect of the interface of plasma-treated and gold-coated PEEK matrices on adhesion and spreading of mouse embryonic fibroblasts. The surface characteristics (polarity, surface chemistry, and structure) before and after treatment were evaluated by various experimental techniques (gravimetry, goniometry, X-ray photoelectron spectroscopy (XPS), and electrokinetic analysis). Further, atomic force microscopy (AFM) was employed to examine PEEK surface morphology and roughness. The biological response of cells towards nanostructured PEEK was evaluated in terms of cell adhesion, spreading, and proliferation. Detailed cell morphology was evaluated by scanning electron microscopy (SEM). Compared to plasma treatment, gold coating improved PEEK wettability. The XPS method showed a decrease in the carbon concentration with increasing time of plasma treatment. Cell adhesion determined on the interface between plasma-treated and gold-coated PEEK matrices was directly proportional to the thickness of a gold layer on a sample. Our results suggest that plasma treatment in a combination with gold coating could be used in biomedical applications requiring enhanced cell adhesion.

Název v anglickém jazyce

Tuning Surface Chemistry of Polyetheretherketone by Gold Coating and Plasma Treatment

Popis výsledku anglicky

Polyetheretherketone (PEEK) has good chemical and biomechanical properties that are excellent for biomedical applications. However, PEEK exhibits hydrophobic and other surface characteristics which cause limited cell adhesion. We have investigated the potential of Ar plasma treatment for the formation of a nanostructured PEEK surface in order to enhance cell adhesion. The specific aim of this study was to reveal the effect of the interface of plasma-treated and gold-coated PEEK matrices on adhesion and spreading of mouse embryonic fibroblasts. The surface characteristics (polarity, surface chemistry, and structure) before and after treatment were evaluated by various experimental techniques (gravimetry, goniometry, X-ray photoelectron spectroscopy (XPS), and electrokinetic analysis). Further, atomic force microscopy (AFM) was employed to examine PEEK surface morphology and roughness. The biological response of cells towards nanostructured PEEK was evaluated in terms of cell adhesion, spreading, and proliferation. Detailed cell morphology was evaluated by scanning electron microscopy (SEM). Compared to plasma treatment, gold coating improved PEEK wettability. The XPS method showed a decrease in the carbon concentration with increasing time of plasma treatment. Cell adhesion determined on the interface between plasma-treated and gold-coated PEEK matrices was directly proportional to the thickness of a gold layer on a sample. Our results suggest that plasma treatment in a combination with gold coating could be used in biomedical applications requiring enhanced cell adhesion.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20501 - Materials engineering

Projekt

<a href="/cs/project/GBP108%2F12%2FG108" target="_blank" >GBP108/12/G108: Příprava, modifikace a charakterizace materiálů zářením</a><br>

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Nanoscale Research Letters

ISSN

1931-7573

e-ISSN

—

Svazek periodika

12

Číslo periodika v rámci svazku

JUN 21 2017

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

9

Strana od-do

"424/1"-9

Kód UT WoS článku

000404812200001

EID výsledku v databázi Scopus

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