2017
DOI: 10.1016/j.msec.2016.09.028
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Corrosion resistance and biocompatibility of magnesium alloy modified by alkali heating treatment followed by the immobilization of poly (ethylene glycol), fibronectin and heparin

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Cited by 43 publications
(14 citation statements)
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“…The treated sample also shows a thin uniform deposition over the surface and was analyzed by FTIR as shown in figure 3. The bare magnesium alloy had no significant peaks for the range 500 to 4000 cm −1 , indicating that no functional groups were present on the surface [20,33,34]. The FTIR spectra of acid pickled sample exhibits a peak at 2921 cm −1 which matches with C-H stretching and another peak at 1405 cm −1 attributed to C-H bending.…”
Section: Surface Morphology and Characterisationmentioning
confidence: 98%
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“…The treated sample also shows a thin uniform deposition over the surface and was analyzed by FTIR as shown in figure 3. The bare magnesium alloy had no significant peaks for the range 500 to 4000 cm −1 , indicating that no functional groups were present on the surface [20,33,34]. The FTIR spectra of acid pickled sample exhibits a peak at 2921 cm −1 which matches with C-H stretching and another peak at 1405 cm −1 attributed to C-H bending.…”
Section: Surface Morphology and Characterisationmentioning
confidence: 98%
“…Though Ca was effective to inhibit degradation rate, its higher concentration can cause detrimental effects by accelerating the degradation [17]. The various surface modifications attempted include conversion coatings [18], deposition of thin films by various coating techniques [19][20][21][22] and mechanical processing of the surfaces [23][24][25]. The mechanical methods have a demerit of causing surface impurities that accelerate degradation by creating galvanic couples in the sample surface [26,27].…”
Section: Introductionmentioning
confidence: 99%
“…Alloying and surface modification are the most widely utilized strategies to minimize the complications of magnesium implantation into the human body 10 . It has been shown that non-toxic alloying elements such as Ca, Zn, Sr, and Si improve the mechanical stability and biodegradation rate of MBIs in PE 11 . However, the biocompatibility and degradation rate are still deficient for practical applications and may trigger a series of side effects on surrounding tissues after implantation 12 .…”
Section: Introductionmentioning
confidence: 99%
“…Surface modification represents one of the key and effective methods to enhance the corrosion resistance and biocompatibility because the corrosion behaviors and biocompatibility of the magnesium alloys are closely related to their surface properties [9]. At present, many surface modification methods have been employed to control the surface anticorrosion and bioactivities of the magnesium alloys [10][11][12]. By forming a chemical conversion layer or coating on the magnesium surface to isolate the matrix from the corrosive environment, the corrosion resistance can be significantly improved, which could reduce a series of adverse physiological reactions caused by the rapid degradation, and thus improve the biocompatibility to a certain extent.…”
Section: Introductionmentioning
confidence: 99%