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Issue 18, 2015
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Comprehensive and quantitative analysis for controlling the physical/chemical states and particle properties of nanodiamonds for biological applications

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Abstract

The physical/chemical states and properties of nanodiamonds subjected to thermal annealing and air oxidation, which are indispensable processes for the preparation of fluorescent nanodiamonds, were investigated. Specifically, the weight loss, particle size, crystal quality, chemical bonding states of carbon and oxygen, zeta potential, dispersibility, and fluorescent and optically detected magnetic resonance (ODMR) properties were determined using X-ray diffraction (XRD) analysis, transmission electron microscopy (TEM), elemental analysis, dynamic light scattering, Raman analysis, X-ray photoelectron spectroscopy (XPS), IR spectroscopy, and a home-made fluorescence and ODMR microscope. The study focused on small-sized nanodiamonds (∼50 nm), which are applicable for biological research. The obtained results should be useful for controlling the mutually-related physical/chemical states and properties of diamond nanoparticles.

Graphical abstract: Comprehensive and quantitative analysis for controlling the physical/chemical states and particle properties of nanodiamonds for biological applications

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Publication details

The article was received on 16 Dec 2014, accepted on 13 Jan 2015 and first published on 13 Jan 2015


Article type: Paper
DOI: 10.1039/C4RA16482B
RSC Adv., 2015,5, 13818-13827
  • Open access: Creative Commons BY license
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    Comprehensive and quantitative analysis for controlling the physical/chemical states and particle properties of nanodiamonds for biological applications

    S. Sotoma, K. Akagi, S. Hosokawa, R. Igarashi, H. Tochio, Y. Harada and M. Shirakawa, RSC Adv., 2015, 5, 13818
    DOI: 10.1039/C4RA16482B

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