Gitty P, Mani KP, Deepti A, Baby Chakrapani PS, Prabeesh P, Nampoori VPN, Kailasnath M. Structural and optical properties of dysprosium doped hydroxyapatite nanoparticles and its bioimaging probe in human cells.
LUMINESCENCE 2022;
37:758-765. [PMID:
35199460 DOI:
10.1002/bio.4218]
[Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 01/07/2022] [Accepted: 02/18/2022] [Indexed: 11/12/2022]
Abstract
In this work, the hydroxyapatite nanoparticle doped with trivalent dysprosium ions were synthesized by co-precipitation method. The characterization techniques like X-Ray diffraction (XRD), Transmission Electron Microscopy (TEM), Energy Dispersive X-Ray Spectroscopy (EDX) were carried to determine the crystalline and structural properties. The Rietveld structural refinement of the XRD patterns confirmed the purity of the phase formation of the synthesized nanoparticles. The photoluminescence emission spectra exhibited intense emissions in the blue region at 450 nm and 476 nm along with less intense yellow emission at 573 nm which can be attributed to the magnetic dipole and electric dipole transitions of dysprosium respectively. In order to evaluate the color tunability of the emitted light CIE chromaticity coordinate values were calculated. The intense blue emissions from the synthesized sample were found to be favourable for bioimaging. The images obtained from the fluorescence microscopy revealed that the dysprosium doped hydroxyapatite nanoparticles are potential bioimaging probes in human cells.
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