Electric potential of biomaterials coated with dielectric carbon layer and non-coated in water and serum

• Autorzy: Urbański, S. , Niedzielski, P. , Mitura, S. , Wierzchoń, T. , Sokołowska, A.
• Języki publikacji: EN

Abstrakty

EN

Electric potentials, established in water and human blood serum, of the electrodes made of platinum, graphite, Ti6Al4V alloy, TiN, AlSi316L steel, oxidized steel and the materials coated with diamond like carbon layer (DLC) and a nanocrystalline-diamond layer (NCD) were determined. The values of the potentials of non-coated materials increased with increasing electron work function (Phi) of investigated materials in reasonable accordance. The difference between the potentials measured in serum and in water was ascribed to be differing molecular electron structure of the proteins in contact with the electrodes. Electrode potentials of different materials coated with the same thin dielectric carbon layer varied significantly depending on the (Phi) value of the substrate. In this way the selection of a substrate material permits influencing on the interaction between NCD (DLC) coating and serum compounds. The potential of an electrode has appeared to be a simple but sensitive indicator of the phenomena that take place on the biomaterial surface.

Słowa kluczowe

PL

Pt; TiN; węgiel; Ti6Al4V; AISI316L; DLC; NCD

EN

electrode potential; electron work function; Pt; TiN; carbon; Ti6Al4V; AISI316L; DLC; NCD

• Czasopismo: Inżynieria Biomateriałów
• Rocznik: 2006
• Tom: R. 9, nr 56-57
• Strony: 21-24
• Opis fizyczny: Bibliogr. 17 poz., tab., wykr.

Twórcy

autor

Urbański, S.

• Institute of Materials Science and Engineering, Technical University of Łódź, 90-924 Lódź, Stefanowskiego 1/15 Street, Poland

autor

Niedzielski, P.

• Institute of Materials Science and Engineering, Technical University of Łódź, 90-924 Lódź, Stefanowskiego 1/15 Street, Poland,

autor

Mitura, S.

• Institute of Materials Science and Engineering, Technical University of Łódź, 90-924 Lódź, Stefanowskiego 1/15 Street, Poland

autor

Wierzchoń, T.

• Faculty of Materials Science, Warsaw University of Technology; 02-507 Warsaw, Wołoska 141 Street, Poland

autor

Sokołowska, A.

• Institute of Materials Science and Engineering, Technical University of Łódź, 90-924 Lódź, Stefanowskiego 1/15 Street, Poland

Bibliografia

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