Journal of Radiation Research and Radiation Processing, Volume. 42, Issue 3, 030401(2024)

Inactivation mechanism and kinetic of Alternaria alternatausing contact glow discharge plasma

Hongsheng TANG... Zhaodi LI, Wan LI, Yi LI, Shuai YANG, Haitao LONG and Lumei PU* |Show fewer author(s)
Author Affiliations
  • College of Science, Gansu Agricultural University, Lanzhou 730000, China
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    Figures & Tables(11)
    Influence of voltage (a), time (b), and electrolyte (c) on sterilization rate
    Model fitting curves at different voltages (a) 500 V; (b) 520 V; (c) 540 V; (d) 560 V; (e) 580 V
    Effects of CGDP on the morphology of A.alternata colonies: (a) spore germination rate; (b) colony diameter; (c) mycelial biomass
    Effects of CGDP treatment on membrane permeability of A.alternata
    Detection of spore cell membrane integrity of A. alternata before and after CGDP treatment using FDA and PI staining: (a), (A) represent spores under bright field without treatment; (b), (B) represent spores treated for 12 minutes under bright field; (c), (C) represent spores treated for 24 minutes under bright field; (d), (D) represent spores under fluorescence without treatment; (e), (E) represent spores treated for 12 minutes under fluorescence; (f), (F) represent spores treated for 24 minutes under fluorescence
    Effects of CGDP on the leakage of intracellular substances in A.alternata: (a) nucleic acids leakage; (b) proteins leakage
    Effects of CGDP treatment time on the content of MDA (a) and ergosterol (b) in A. alternata
    Scanning electron microscopy images of A.alternata before and after CGDP treatment: (a) morphology of untreated spores; (b) morphology of spores treated for 12 min; (c) morphology of spores treated for 24 min
    Correlation heatmap of the effects of CGDP treatment on different physiological characteristics of A. alternata
    Mode of action diagram of CGDP inactivation of fungal spores
    • Table 1. Parameters of the three models fitting the curve of CGDP killing A. alternata spores

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      Table 1. Parameters of the three models fitting the curve of CGDP killing A. alternata spores

      电压 / V Voltage500520540560580

      Linear模型

      Linear model

      P1-0.011 75-0.017 11-0.038 86-0.075 51-0.083 9
      P22.282.362.3412.4122.239
      R20.995 80.977 70.982 40.992 30.987 9
      RMSE0.006 40.021 60.043 50.055 60.077 6
      SSE0.000 20.001 90.007 60.012 40.024 1

      Weibull模型

      Weibull model

      a-2.447-2.61-3.067-4.618-5.382
      c-0.058 98-0.084 21-0.218 7-0.512 2-0.649 2
      R20.909 80.876 90.8610.872 90.871
      RMSE0.029 60.050 80.109 40.226 10.253 6
      SSE0.003 50.010 30.047 80.204 60.257 3

      Dose-response模型

      Dose-response model

      A12.362.2931.0592.82916.49
      A21.841.933-2.4940.262 1-3.083
      P16.8914.5214.5711.33-3.083
      X00.039 250.117 9-0.051 360.058 40.011 03
      R20.9970.991 90.983 50.99660.989 5
      RMSE0.007 60.018 40.059 60.0520.102 49
      SSE0.000 10.000 70.007 10.005 40.021
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    Hongsheng TANG, Zhaodi LI, Wan LI, Yi LI, Shuai YANG, Haitao LONG, Lumei PU. Inactivation mechanism and kinetic of Alternaria alternatausing contact glow discharge plasma[J]. Journal of Radiation Research and Radiation Processing, 2024, 42(3): 030401

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    Paper Information

    Category: Research Articles

    Received: Nov. 24, 2023

    Accepted: Jan. 12, 2024

    Published Online: Jul. 18, 2024

    The Author Email: PU Lumei (蒲陆梅)

    DOI:10.11889/j.1000-3436.2023-0105

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