Journals / Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi / 2017 / Cilt: 32 - Sayı: 1

The effects of plasma immersion ion implantation and deposition (PIII&D) process voltages on the morphology, phase formation and E. coli adhesion of Ag coatings obtained on the surface of Ti6Al4V orthopedic implant material in nitrogen plasma

Plazma daldırma iyon implantasyonu ve biriktirme (PIII&D) prosesi gerilimlerinin azot plazmasında ortopedik implant malzemesi Ti6Al4V yüzeyinde oluşturulan Ag kaplamalarının morfolojilerine, faz oluşumlarına ve E. coli adezyonuna etkileri

Pages
231–241
Publication Date
2022-10-18
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

It was consequently determined that Ag was dominant in thecoatings obtained by applying 8 kV negative pulsed high voltage, while Ag decreased on the surfacedepending on the increase in the voltage.

📌 3 Key Takeaways

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Objective & Hypothesis:In order to combine the antimicrobial effect of silver with mechanical and chemical properties of titaniumnitrate, Ag was deposited on the surface of Ti6Al4V (orthopedic implant material) in N2 plasma by using plasma immersion ion implantation and deposition (PIII&D) method.
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Key Findings & Data:In in vitro anti-bacterial effectiveness experiments,the adhesion of E. coli (Escherichia coli) microorganism, which were marked with 99mTc radioisotope, on surfaces of specimens was investigated.
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Conclusion & Impact:It was consequently determined that Ag was dominant in thecoatings obtained by applying 8 kV negative pulsed high voltage, while Ag decreased on the surfacedepending on the increase in the voltage.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

In order to combine the antimicrobial effect of silver with mechanical and chemical properties of titaniumnitrate, Ag was deposited on the surface of Ti6Al4V (orthopedic implant material) in N2 plasma by using plasma immersion ion implantation and deposition (PIII&D) method. The coatings were formed by usingvaried negative pulsed high voltage and magnetron sputtering voltage values of PIII&D process. Surfacemorphologies of coatings were determined with atomic force microscopy (AFM), while cross-section morphologies were determined with field emission scanning electron microscopy (FE-SEM). The phases and chemical compositions of coatings were investigated by using X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS), respectively. XPS depth profile analysis were done to reveal thepenetration of Ag+ ions into the surface of specimen. In in vitro anti-bacterial effectiveness experiments,the adhesion of E. coli (Escherichia coli) microorganism, which were marked with 99mTc radioisotope, on surfaces of specimens was investigated. It was consequently determined that Ag was dominant in thecoatings obtained by applying 8 kV negative pulsed high voltage, while Ag decreased on the surfacedepending on the increase in the voltage.

Özet

Gümüşün antimikrobiyal etkisini ve titanyum nitrürün mekanik ve kimyasal özelliklerini birleştirmek için, ortopedik implant malzemesi olarak kullanılan Ti6Al4V alaşımının yüzeyine N2 plazmasında plazma daldırma iyon implantasyonu ve biriktirme (PIII&D) yöntemi ile gümüş biriktirilmiştir. Kaplamalar, PIII&D prosesinin farklı negatif darbeli yüksek gerilim ve magnetron sıçratma gerilimi değerleri kullanılarak elde edilmiştir. Kaplamaların yüzey morfolojileri atomik kuvvet mikroskobu (AFM) ve kesit morfolojileri ise alan emisyonlu taramalı elektron mikroskobu (FE-SEM) kullanılarak tespit edilmiştir. Kaplamaların fazları ve kimyasal kompozisyonları sırasıyla X-ışını difraksiyonu (XRD) ve X-ışını fotoelektron spektroskopisi (XPS) kullanılarak tespit edilmiştir. Buna ek olarak, numunelerin yüzeyinden içeri Ag+iyonlarının nüfuziyetini belirlemek için XPS derinlik profili (depth profile) analizi yapılmıştır. Invitro anti-bakteriyel etkinlik deneylerinde numunelerin yüzeylerine 99mTc radyoizotopu ile işaretlenmiş E. coli (Escherichia coli) mikroorganizmasının adezyonu araştırılmıştır. Çalışmada, 8 kV'luk negatif darbeli gerilimin kullanıldığı deneylerle elde edilen kaplamalarda gümüşün dominant olduğu; bunun yanında, negatif darbeli yüksek gerilimin artmasıyla yüzeyde gümüş miktarının azaldığı gözlemlenmiştir.

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Cite This Article

HAVITÇIOĞLU, H., BASKIN, H., LAMBRECHT, F. Y., ÖZKAL, S., KARADENİZ, S., GENÇER, G. M. (2022). The effects of plasma immersion ion implantation and deposition (PIII&D) process voltages on the morphology, phase formation and E. coli adhesion of Ag coatings obtained on the surface of Ti6Al4V orthopedic implant material in nitrogen plasma. Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi, Cilt: 32 - Sayı: 1, 231–241. https://ajindex.com/articles/523580

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