Electrodeposition of TiO 2 layer-by-layer assembled composite coating and silane treatment on Mg alloy for corrosion resistance

Cui, Lan-Yue; Qin, Peng-Hua; Huang, Xiaoli; Yin, Zheng-Zheng; Zeng, Rong‐Chang; Li, Shuoqi; Han, En‐Hou; Wang, Zhenlin

doi:10.1016/j.surfcoat.2017.06.015

Cited by 45 publications

(7 citation statements)

References 44 publications

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“…Shangguan et al applied the pulsed electrochemical deposition (PED) on Mg–1.5Sr and observed an improvement in corrosion resistance and reduction in the H 2 evolution of both the as‐extruded and as‐cast alloy in HBSS . This method has also been used to obtain saline coatings and layer by layer TiO 2 coatings on Mg alloys. Both these coatings improved corrosion resistance of Mg alloys and showed good cytocompatibility.…”

Section: Coating Techniques Applied For Mg Alloysmentioning

confidence: 99%

The current trends of Mg alloys in biomedical applications—A review

2018

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Magnesium (Mg) has emerged as an ideal alternative to the permanent implant materials owing to its enhanced properties such as biodegradation, better mechanical strengths than polymeric biodegradable materials and biocompatibility. It has been under investigation as an implant material both in cardiovascular and orthopedic applications. The use of Mg as an implant material reduces the risk of long-term incompatible interaction of implant with tissues and eliminates the second surgical procedure to remove the implant, thus minimizes the complications. The hurdle in the extensive use of Mg implants is its fast degradation rate, which consequently reduces the mechanical strength to support the implant site. Alloy development, surface treatment, and design modification of implants are the routes that can lead to the improved corrosion resistance of Mg implants and extensive research is going on in all three directions. In this review, the recent trends in the alloying and surface treatment of Mg have been discussed in detail. Additionally, the recent progress in the use of computational models to analyze Mg bioimplants has been given special consideration.

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Section: Coating Techniques Applied For Mg Alloysmentioning

confidence: 99%

The current trends of Mg alloys in biomedical applications—A review

2018

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“…However, their poor corrosion resistance limits their applications [3,4]. To improve the corrosion resistance of magnesium alloys, some techniques including alloying [5], laser surface modification [6] and electrochemical deposition method [7] have been studied. Among them, the hydrothermal (HT) method [8] is quite attractive due to the simple one-step process, environmental friendliness, and easy design of the reaction conditions.…”

Section: Introductionmentioning

confidence: 99%

Improving electrochemical corrosion properties of ZE41A magnesium alloy via hydrothermal treatment

Zhang

Cheng

et al. 2021

E3S Web Conf.

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ZE41A magnesium alloy was selected as matrix material, using hydrothermal method for the synthesis of the surface coating. The formation of anti-corrosion coatings on the surface of magnesium alloy was investigated in pure water. By adjusting the experimental parameters such as the hydrothermal time (1-3 h) and the hydrothermal temperature (120-160 °C), the generation of the coating on the magnesium alloy surface is regulated. The surface morphologies, composition phase, and corrosion resistance of the hydrothermal conversion coatings were investigated by the method of scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), X-ray diffraction (XRD) and electrochemical corrosion tests. Results show that prolonged hydrothermal time and increased hydrothermal temperature change the morphologies as well as the chemical compositions of formed coatings from a relative loose structure with few magnesium hydroxides into a fine dense one with higher amount of magnesium hydroxide.

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“…The Mg-based implant should provide mechanical support and promote tissue healing, and eventually degrade in the organism when it is no longer needed [ 63 ]. However, too rapid degradation of Mg alloys is unfavourable and research efforts are focused on designing surface modifications capable of preventing the preterm degradation of Mg-based implants [ 64 , 65 , 66 , 67 , 68 ].…”

Section: Cytocompatible and Antibiofouling Dna Coatingsmentioning

confidence: 99%

Sequence Does Not Matter: The Biomedical Applications of DNA-Based Coatings and Cores

Batasheva

Fakhrullin

2021

IJMS

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Biomedical applications of DNA are diverse but are usually associated with specific recognition of target nucleotide sequences or proteins and with gene delivery for therapeutic or biotechnological purposes. However, other aspects of DNA functionalities, like its nontoxicity, biodegradability, polyelectrolyte nature, stability, thermo-responsivity and charge transfer ability that are rather independent of its sequence, have recently become highly appreciated in material science and biomedicine. Whereas the latest achievements in structural DNA nanotechnology associated with DNA sequence recognition and Watson–Crick base pairing between complementary nucleotides are regularly reviewed, the recent uses of DNA as a raw material in biomedicine have not been summarized. This review paper describes the main biomedical applications of DNA that do not involve any synthesis or extraction of oligo- or polynucleotides with specified sequences. These sequence-independent applications currently include some types of drug delivery systems, biocompatible coatings, fire retardant and antimicrobial coatings and biosensors. The reinforcement of DNA properties by DNA complexation with nanoparticles is also described as a field of further research.

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Electrodeposition of TiO 2 layer-by-layer assembled composite coating and silane treatment on Mg alloy for corrosion resistance

Cited by 45 publications

References 44 publications

The current trends of Mg alloys in biomedical applications—A review

The current trends of Mg alloys in biomedical applications—A review

Improving electrochemical corrosion properties of ZE41A magnesium alloy via hydrothermal treatment

Sequence Does Not Matter: The Biomedical Applications of DNA-Based Coatings and Cores

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