Hydroxyapatite–diamondlike carbon nanocomposite films

Narayan, Roger J.

doi:10.1016/j.msec.2005.01.023

Cited by 13 publications

(4 citation statements)

References 22 publications

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“…In addition, the interlayers can satisfactorily give rise to the mechanical, biological, and corrosion performance of the substrates. For instance, Narayan [ 120 ] have demonstrated in his report that the deposition of interlayer not only minimize the probability of inducing corrosion of HAp in body fluids, but also improves implant fixation due to the minimal fibrous capsule around the implant.…”

Section: Engineering Of the Interfacementioning

confidence: 99%

Sol-Gel Derived Hydroxyapatite Coatings for Titanium Implants: A Review

et al. 2020

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With the growing demands for bone implant therapy, titanium (Ti) and its alloys are considered as appropriate choices for the load-bearing bone implant substitutes. However, the interaction of bare Ti-based implants with the tissues is critical to the success of the implants for long-term stability. Thus, surface modifications of Ti implants with biocompatible hydroxyapatite (HAp) coatings before implantation is important and gained interest. Sol-gel is a potential technique for deposition the biocompatible HAp and has many advantages over other methods. Therefore, this review strives to provide widespread overview on the recent development of sol-gel HAp deposition on Ti. This study shows that sol-gel technique was able to produce uniform and homogenous HAp coatings and identified the role of surface pretreatment of Ti substrate, optimizing the sol-gel parameters, substitution, and reinforcement of HAp on improving the coating properties. Critical factors that influence on the characteristics of the deposited sol-gel HAp films as corrosion resistance, adhesion to substrate, bioactivity, morphological, and structural properties are discussed. The review also highlights the critical issues, the most significant challenges, and the areas requiring further research.

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Section: Engineering Of the Interfacementioning

confidence: 99%

Sol-Gel Derived Hydroxyapatite Coatings for Titanium Implants: A Review

et al. 2020

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“…The double layer of HA/ZrO 2 showed a bond strength of 39.8 ± 6.2 MPa (p < 0.05), while for HA, a single layer was 28.1 ± 4.3 MPa [92]. Narayan introduced between the HA-metal coating a layer of DLC interface obtained by the pulsed laser method at room temperature, thus obtaining HA adhesion to metal alloys [93]. Sun determined that the adhesive strength of the TiN/ZrO 2 multilayer coating was rated to be greater than 100 N.…”

Section: Multilayer Coatingsmentioning

confidence: 93%

Innovative Coatings of Metallic Alloys Used as Bioactive Surfaces in Implantology: A Review

et al. 2021

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Metallic implants are widely used in the field of implantology, but there are still problems leading to implant failures due to weak osseointegration, low mechanical strength for the implant, inadequate antibacterial properties, and low patient satisfaction. Implant failure can be caused by bacterial infections and poor osteointegration. To improve the implant functionalization, many researchers focus on surface modifications to prepare the proper physical and chemical conditions able to increase biocompatibility and osteointegration between implant and bone. Improving the antibacterial performance is also a key factor to avoid the inflammation in the human body. This paper is a brief review for the types of coatings used to increase osseointegration and biocompatibility for the successful use of metal alloys in the field of implantology.

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“…In addition to the biocidal activity indicated above, we have also shown that enhanced biocompatibility is also possible, again by appropriate surface modification. The enhancement of biocompatibility by the introduction of hydroxyapatite onto a surface is a common strategy [58][59][60][61][62][63][64][65] especially for bone cell growth [66]. Much work has been done to enhance the appropriateness of synthetic materials for biological applications by binding calcium phosphate to their surface, for example, of polycaprolactone [67][68][69][70][71][72].…”

Section: Biocompatibilitymentioning

confidence: 99%

Functionalized polymers by chemical surface modification

Moloney¹

2008

J. Phys. D: Appl. Phys.

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Surface-modified polymers are of substantial importance in many diverse aspects of modern technology, and whilst there are a number of existing physical and chemical methods for surface modification of polymers, the frequent requirement for significant infrastructure, harsh reaction conditions and limitation to specific polymer types led us to consider alternative chemical methods. A desirable alternative would be that amenable to a large range of polymers, permitting direct chemical modification under mild conditions and using inexpensive reagents. We report here that functionalized diarylcarbenes are excellent reactive intermediates suitable for direct surface modification of a range of organic and inorganic materials, and we have illustrated that this can be used for the introduction of visible and fluorescent chromophores, biocidal and biocompatible function.

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Hydroxyapatite–diamondlike carbon nanocomposite films

Cited by 13 publications

References 22 publications

Sol-Gel Derived Hydroxyapatite Coatings for Titanium Implants: A Review

Sol-Gel Derived Hydroxyapatite Coatings for Titanium Implants: A Review

Innovative Coatings of Metallic Alloys Used as Bioactive Surfaces in Implantology: A Review

Functionalized polymers by chemical surface modification

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