Mesoporous molybdate-substituted hydroxyapatite nanopowders obtained via a hydrothermal route

Goldberg, Margarita A.; Donskaya, Nadezhda O.; Valeev, Dmitry V.; Fomin, Alexander S.; Murzakhanov, Fadis F.; Leonov, Alexander V.; Konovalov, Anatoliy A.; Antonova, Olga S.; Shoppert, Andrei A.; Kudryavtsev, Egor A.; Gafurov, Marat R.; Barinov, Sergey M.; Komlev, Vladimir S.

doi:10.1016/j.ceramint.2024.02.229

Ceramics International

2024

DOI: 10.1016/j.ceramint.2024.02.229

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Mesoporous molybdate-substituted hydroxyapatite nanopowders obtained via a hydrothermal route

Margarita A. Goldberg,

Nadezhda O. Donskaya,

Dmitry V. Valeev

et al.

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Cited by 3 publications

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Immobilization of 137Cs in NaY type zeolite matrices using various heat treatment methods

Shichalin,

Papynov,

Belov

et al. 2024

Solid State Sciences

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Immobilization of 137Cs in NaY type zeolite matrices using various heat treatment methods

Shichalin,

Papynov,

Belov

et al. 2024

Solid State Sciences

View full text Add to dashboard Cite

Efficient Bioactive Surface Coatings with Calcium Minerals: Step-Wise Biomimetic Transformation of Vaterite to Carbonated Apatite

Kim,

Min,

Pack

2024

Biomimetics

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Carbonated apatite (CAp), known as the main mineral that makes up human bone, can be utilized in conjunction with scaffolds to increase their bioactivity. Various methods (e.g., co-precipitation, hydrothermal, and biomimetic coatings) have been used to provide bioactivity by forming CAp on surfaces similar to bone minerals. Among them, the use of simulated body fluids (SBF) is the most popular biomimetic method for generating CAp, as it can provide a mimetic environment. However, coating methods using SBF require at least a week for CAp formation. The long time it takes to coat biomimetic scaffolds is a point of improvement in a field that requires rapid regeneration. Here, we report a step-wise biomimetic coating method to form CAp using calcium carbonate vaterite (CCV) as a precursor. We can manufacture CCV-transformed CAp (V-CAp) on the surface in 4 h at least by immersing CCV in a phosphate solution. The V-CAp deposited surface was analyzed using scanning electron microscopy (SEM) images according to the type of phosphate solutions to optimize the reaction conditions. X-ray diffraction (XRD) and attenuated total reflection-Fourier transform infrared (ATR-FTIR) analysis validated the conversion of CCV to V-CAp on surfaces. In addition, the bioactivity of V-CAp coating was analyzed by the proliferation and differentiation of osteoblasts in vitro. V-CAp showed 2.3-folded higher cell proliferation and 1.4-fold higher ALP activity than the glass surface. The step-wise method of CCV-transformed CAp is a biocompatible method that allows the environment of bone regeneration and has the potential to confer bioactivity to biomaterial surfaces, such as imparting bioactivity to non-bioactive metal or scaffold surfaces within one day. It can rapidly form carbonated apatite, which can greatly improve time efficiency in research and industrial applications.

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Hybrid Hydroxyapatite–Metal Complex Materials Derived from Amino Acids and Nucleobases

Jiménez-Pérez,

Martínez-Alonso,

García-Tojal

2024

Molecules

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Calcium phosphates (CaPs) and their substituted derivatives encompass a large number of compounds with a vast presence in nature that have aroused a great interest for decades. In particular, hydroxyapatite (HAp, Ca10(OH)2(PO4)6) is the most abundant CaP mineral and is significant in the biological world, at least in part due to being a major compound in bones and teeth. HAp exhibits excellent properties, such as safety, stability, hardness, biocompatibility, and osteoconductivity, among others. Even some of its drawbacks, such as its fragility, can be redirected thanks to another essential feature: its great versatility. This is based on the compound’s tendency to undergo substitutions of its constituent ions and to incorporate or anchor new molecules on its surface and pores. Thus, its affinity for biomolecules makes it an optimal compound for multiple applications, mainly, but not only, in biological and biomedical fields. The present review provides a chemical and structural context to explain the affinity of HAp for biomolecules such as proteins and nucleic acids to generate hybrid materials. A size-dependent criterium of increasing complexity is applied, ranging from amino acids/nucleobases to the corresponding macromolecules. The incorporation of metal ions or metal complexes into these functionalized compounds is also discussed.

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Mesoporous molybdate-substituted hydroxyapatite nanopowders obtained via a hydrothermal route

Cited by 3 publications

References 61 publications

Immobilization of 137Cs in NaY type zeolite matrices using various heat treatment methods

Immobilization of 137Cs in NaY type zeolite matrices using various heat treatment methods

Efficient Bioactive Surface Coatings with Calcium Minerals: Step-Wise Biomimetic Transformation of Vaterite to Carbonated Apatite

Hybrid Hydroxyapatite–Metal Complex Materials Derived from Amino Acids and Nucleobases

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