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Chinese Journal of Lasers, Volume. 47, Issue 2, 207023(2020)

Effect of 0.1 THz Radiation on Excitability of Hippocampal Neurons in Sprague Dawley Rats

Zhang Xinxin1,2,3, He Mingxia1,2,3、*, Zhao Jinwu1,2,3, Chen Xieyu1,3, Liu Liyuan1,3, Lu Xiaoyun4, Tian Tian1,2,3, Chen Mengqiu1,2,3, and Wang Pu1,2,3
Author Affiliations
  • 1School of Precision Instrument & Opto-Electronics Engineering, Tianjin University, Tianjin 300072, China
  • 2State Key Laboratory of Precision Measurement Technology and Instruments, Tianjin University, Tianjin 300072, China
  • 3Terahertz Research Center, Tianjin University, Tianjin 300072, China
  • 4College of Life Science and Technology, Xi''an Jiaotong University, Xi''an, Shaanxi 710048, China
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    AbstractGet PDF(in Chinese)
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    References (26)
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    Figures & Tables(7)
    Schematic of THz radiation system

    Fig. 1. Schematic of THz radiation system

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    Power diagrams of THz wave. (a) 88 mW; (b) 3 mW

    Fig. 2. Power diagrams of THz wave. (a) 88 mW; (b) 3 mW

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    Test results of neuronal membrane potential with different radiation time (the first row is control group, and the second row is experimental group). (a) 5 min; (b) 15 min; (c) 25 min; (d) distribution of relative fluorescence intensity for three repeated experiments

    Fig. 3. Test results of neuronal membrane potential with different radiation time (the first row is control group, and the second row is experimental group). (a) 5 min; (b) 15 min; (c) 25 min; (d) distribution of relative fluorescence intensity for three repeated experiments

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    Test results of intracellular calcium ion concentration after irradiation for different time (the first row is control group, and the second row is experimental group). (a) 5 min; (b) 15 min; (c) 25 min; (d) distribution of relative fluorescence intensity of calcium ion concentration in three repeated experiments

    Fig. 4. Test results of intracellular calcium ion concentration after irradiation for different time (the first row is control group, and the second row is experimental group). (a) 5 min; (b) 15 min; (c) 25 min; (d) distribution of relative fluorescence intensity of calcium ion concentration in three repeated experiments

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    Test results of intracellular sodium ion concentration after irradiation for different time (the first row is control group, and the second row is experimental group). (a) 5 min; (b) 15 min; (c) 25 min; (d) distribution of relative fluorescence intensity of sodium ion concentration in three repeated experiments

    Fig. 5. Test results of intracellular sodium ion concentration after irradiation for different time (the first row is control group, and the second row is experimental group). (a) 5 min; (b) 15 min; (c) 25 min; (d) distribution of relative fluorescence intensity of sodium ion concentration in three repeated experiments

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    Test results of intracellular potassium ion concentration after irradiation for different time (the first row is control group, and the second row is experimental group). (a) 5 min; (b) 15 min; (c) 25 min; (d) distribution of relative fluorescence intensity of potassium ion concentration in three repeated experiments

    Fig. 6. Test results of intracellular potassium ion concentration after irradiation for different time (the first row is control group, and the second row is experimental group). (a) 5 min; (b) 15 min; (c) 25 min; (d) distribution of relative fluorescence intensity of potassium ion concentration in three repeated experiments

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    • Table 1. Significance of difference between control group and experimental group (No. 1,No. 2, and No. 3 represent the first, second, and third experiments)

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      Table 1. Significance of difference between control group and experimental group (No. 1,No. 2, and No. 3 represent the first, second, and third experiments)

      Item5 min radiation15 min radiation25 min radiation
      No.1No.2No.3No.1No.2No.3No.1No.2No.3
      Membranepotential0.13340.6014≪0.010.00980.0086≪0.010.01660.00040.0113
      Ca2+ concentration0.62280.0024≪0.010.0009≪0.01≪0.010.00130.00050.009
      Na+ concentration0.00170.75620.04460.02560.00620.0070≪0.010.04670.0188
      K+ concentration≪0.01≪0.010.03680.0189≪0.010.0164≪0.01≪0.01≪0.01
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    Zhang Xinxin, He Mingxia, Zhao Jinwu, Chen Xieyu, Liu Liyuan, Lu Xiaoyun, Tian Tian, Chen Mengqiu, Wang Pu. Effect of 0.1 THz Radiation on Excitability of Hippocampal Neurons in Sprague Dawley Rats[J]. Chinese Journal of Lasers, 2020, 47(2): 207023

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    Paper Information

    Category: biomedical photonics and laser medicine

    Received: Aug. 8, 2019

    Accepted: --

    Published Online: Feb. 21, 2020

    The Author Email: Mingxia He (hhmmxx@tju.edu.cn)

    DOI:10.3788/CJL202047.0207023

    Topics

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