Journal of Inorganic Materials, Volume. 38, Issue 6, 708(2023)

Photothermal Core-Shell TiN@Borosilicate Bioglass Nanoparticles: Degradation and Mineralization

Rui WU1... Minhui ZHANG1, Chenyun JIN1, Jian LIN1,2,*, and Deping WANG12 |Show fewer author(s)
Author Affiliations
  • 11. School of Materials Science and Engineering, Tongji University, Shanghai 201804, China
  • 22. Key Laboratory of Advanced Civil Engineering Materials, Ministry of Education, Tongji University, Shanghai 200092, China
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    Figures & Tables(10)
    Preparation process of core-shell xTiN@58S-20B nanoparticlesCTAB: Hexadecyl trimethyl ammonium bromide; TEOS: Tetraethyl orthosilicate; TBB: Tributyl borate
    Degradation of bioglass nanoparticles in vitro with and without laser irradiation
    Micrographs of xTiN@58S-20B(x=0, 0.02, 0.04) with insets showing the corresponding particle size distributions (a1, b1, c1) SEM images; (a2, b2, c2) TEM images; (a3, b3, c3) EDS spectra
    XRD patterns of xTiN@58S-20B (x=0, 0.02, 0.04), with gray shaded parts A, B, and C showing the glass peak areas, while b and c showing the strongest peak area of the TiN NPs
    Temperature rise diagrams of three samples in air with 1064 nm NIR laser at a power density of 1.0 W/cm2 for 60 s, with insets showing the infrared images correspondingly at each time point, X axial representing the radial distance extending to both sides from the sample center, and the Y axial representing the temperature
    Temperature changes of bioglass(a-c) Temperature changes of 58S-20B (a), 0.02TiN@58S-20B (b), 0.04TiN@58S-20B (c) irradiated by 1064 nm NIR laser at different power density (0.38, 0.42, 0.46, 0.50 W/cm2) for 3 min; (d)Temperature versus power density; (e) Heating curves of three samples under 1064 nm laser irradiation (1.0 W/cm2)
    pH changes and ions release of bioglass samples immersed in SBF at 37 ℃ for 7 d (a-c) pH changes within 7 d; (d-f) Ion release profiles of B, Ca, Si on the 7th day
    SEM images of borosilicate samples immersed in SBF for 7 d with insets showing corresponding EDS spectra(a1, b1, c1) Without NIR laser irradiation; (a2, b2, c2) With NIR laser irradiation
    XRD patterns of mineralization products of three samples with and without laser irradiation
    Cell proliferation activity and cell morphology analysis of control, 58S-20B, 0.02TiN@58S-20B, and 0.04TiN@58S-20B(a) CCK-8 analysis; (b) Fluorescent images of cell morphology. Blue indicates the cell nucleus and red indicates the cell cytoskeleton
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    Rui WU, Minhui ZHANG, Chenyun JIN, Jian LIN, Deping WANG. Photothermal Core-Shell TiN@Borosilicate Bioglass Nanoparticles: Degradation and Mineralization[J]. Journal of Inorganic Materials, 2023, 38(6): 708

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    Paper Information

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    Received: Dec. 6, 2022

    Accepted: --

    Published Online: Oct. 17, 2023

    The Author Email: LIN Jian (lin_jian@tongji.edu.cn)

    DOI:10.15541/jim20220742

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