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Acta Optica Sinica, Volume. 41, Issue 23, 2329001(2021)

Rotation-Symmetrical Gold Nanoparticles Optimized for Biological Imaging

Xiayiding Yakupu1,2 and Paerhatijiang Tuersun1,3、*
Author Affiliations
  • 1School of Physics and Electronic Engineering, Xinjiang Normal University, Urumqi, Xinjiang 830054, China
  • 2Xinjiang Astronomical Observatory, Chinese Academy of Sciences, Urumqi, Xinjiang 830011, China
  • 3Laboratory of Novel Light Source and Micro/Nano-Optics, Xinjiang Normal University, Urumqi, Xinjiang 830054, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (10)
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    References (28)
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    Figures & Tables(10)
    Geometrical models of gold nanoparticles. (a) Nanospheroid; (b)(c) nanocylinder; (d)(e) nanorod

    Fig. 1. Geometrical models of gold nanoparticles. (a) Nanospheroid; (b)(c) nanocylinder; (d)(e) nanorod

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    Extinction spectrum of gold nanosphere

    Fig. 2. Extinction spectrum of gold nanosphere

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    Effect of rotation-symmetrical gold nanoparticle length on αback. (a) Nanospheroid; (b) nanocylinder; (c) nanorod

    Fig. 3. Effect of rotation-symmetrical gold nanoparticle length on αback. (a) Nanospheroid; (b) nanocylinder; (c) nanorod

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    Effect of rotation-symmetrical gold nanoparticle aspect ratio on αback. (a) Nanospheroid; (b) nanocylinder; (c) nanorod

    Fig. 4. Effect of rotation-symmetrical gold nanoparticle aspect ratio on αback. (a) Nanospheroid; (b) nanocylinder; (c) nanorod

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    αback versus aspect ratio and length of rotation-symmetrical gold nanoparticle at incident light wavelength of 830 nm and tissue refractive index of 1.44. (a) Nanospheroid; (b) nanocylinder; (c) nanorod

    Fig. 5. αback versus aspect ratio and length of rotation-symmetrical gold nanoparticle at incident light wavelength of 830 nm and tissue refractive index of 1.44. (a) Nanospheroid; (b) nanocylinder; (c) nanorod

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    Optimization results of gold nanospheroid, nanocylinder, and nanorod at tissue refractive index of 1.44. (a) Maximum volume backscattering coefficient; (b) optimal aspect ratio; (c) optimal length

    Fig. 6. Optimization results of gold nanospheroid, nanocylinder, and nanorod at tissue refractive index of 1.44. (a) Maximum volume backscattering coefficient; (b) optimal aspect ratio; (c) optimal length

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    Effects of tissue refractive index on optimization results at incident light wavelength of 830 nm. (a) Maximum volume backscattering coefficient; (b) optimal aspect ratio; (c) optimal length

    Fig. 7. Effects of tissue refractive index on optimization results at incident light wavelength of 830 nm. (a) Maximum volume backscattering coefficient; (b) optimal aspect ratio; (c) optimal length

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    Size parameters of rotation-symmetrical gold nanoparticles when tissue refractive index is 1.44 and volume backscattering coefficient at 830 nm is greater than 90% of its maximum value. (a) Nanospheroid; (b) nanocylinder; (c) nanorod

    Fig. 8. Size parameters of rotation-symmetrical gold nanoparticles when tissue refractive index is 1.44 and volume backscattering coefficient at 830 nm is greater than 90% of its maximum value. (a) Nanospheroid; (b) nanocylinder; (c) nanorod

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    • Table 1. Optimization results of volume backscattering coefficients, aspect ratios, and lengths of gold nanospheroid, nanocylinder, and nanorod

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      Table 1. Optimization results of volume backscattering coefficients, aspect ratios, and lengths of gold nanospheroid, nanocylinder, and nanorod

      λ /nmShapeRL /nmαback /μm-1
      830NanospheroidNanocylinderNanorod3.22.73.113210011410.29.59.4
      840NanospheroidNanocylinderNanorod3.32.73.113210511910.59.79.6
      900NanospheroidNanocylinderNanorod3.73.13.514611512811.610.710.7

    • Table 2. Minimum, maximum, mean, and standard deviation values of size parameters of rotation-symmetrical gold nanoparticles when tissue refractive index is 1.44 and volume backscattering coefficient at 830 nm is greater than 90% of its maximum value

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      Table 2. Minimum, maximum, mean, and standard deviation values of size parameters of rotation-symmetrical gold nanoparticles when tissue refractive index is 1.44 and volume backscattering coefficient at 830 nm is greater than 90% of its maximum value

      λ /nmShapeRRmeanL /nmLmean /nm
      830NanospheroidNanocylinderNanorod[3.0, 3.5][2.4,2.9][2.8, 3.3]3.2±0.12.6±0.13.0±0.1[113, 148][89, 115][102, 134]130±9103±7118±9
      840NanospheroidNanocylinderNanorod[3.0, 3.5][2.5, 2.9][2.9, 3.3]3.3±0.12.7±0.13.1±0.1[115, 150][91, 117][103, 135]134±9105±7119±8
      900NanospheroidNanocylinderNanorod[3.4, 4.0][2.8, 3.3][3.2, 3.7]3.7±0.23.1±0.23.5±0.2[125, 165][100, 130][112, 147]146±10116±8130±9
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    Xiayiding Yakupu, Paerhatijiang Tuersun. Rotation-Symmetrical Gold Nanoparticles Optimized for Biological Imaging[J]. Acta Optica Sinica, 2021, 41(23): 2329001

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    Paper Information

    Category: Scattering

    Received: Mar. 29, 2021

    Accepted: Jun. 8, 2021

    Published Online: Nov. 29, 2021

    The Author Email: Tuersun Paerhatijiang (ptuersun@163.com)

    DOI:10.3788/AOS202141.2329001

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology