Functionalization of biodegradable magnesium alloy implants with alkylphosphonate self-assembled films (CROSBI ID 191005)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Grubač, Zoran ; Metikoš-Huković, Mirjana ; Babić, Ranko ; Škugor-Rončević, Ivana ; Petravić, Mladen ; Peter, Robert
engleski
Functionalization of biodegradable magnesium alloy implants with alkylphosphonate self-assembled films
Mg and Mg-alloys are promising material for biodegradable implants. In order to slowdown the Mg-alloy (AZ91D) degradation and enhance its biocompatibility, the alloy surface was modified with alkylphosphonate self-assembling films. The binding configuration and the structural organization of alkylphosphonate molecules on the Mg-alloy surface were investigated using contact angle measurements, FTIR, and XPS. Combination of FTIR and XPS data indicated the presence of several different bonding modes (mono-, di-, and tri dentate) of phosphonate head groups with the alloy surface. The existence of well organized and ordered self- assembled alkylphosphonate monolayers with good barrier protecting properties in a physiological solution is a key step in the development of biocompatible Mg-alloy implants.
magnesium alloy; implant; alkylphosphonate SAM; physiological solution; spectroscopicy
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Podaci o izdanju
33 (4)
2013.
2152-2158
objavljeno
0928-4931
10.1016/j.msec.2013.01.028