Journal of Radiation Research and Radiation Processing, Volume. 42, Issue 3, 030401(2024)
Inactivation mechanism and kinetic of Alternaria alternatausing contact glow discharge plasma
Fig. 1. Influence of voltage (a), time (b), and electrolyte (c) on sterilization rate
Fig. 2. Model fitting curves at different voltages (a) 500 V; (b) 520 V; (c) 540 V; (d) 560 V; (e) 580 V
Fig. 3. Effects of CGDP on the morphology of A.alternata colonies: (a) spore germination rate; (b) colony diameter; (c) mycelial biomass
Fig. 4. Effects of CGDP treatment on membrane permeability of A.alternata
Fig. 5. 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
Fig. 6. Effects of CGDP on the leakage of intracellular substances in A.alternata: (a) nucleic acids leakage; (b) proteins leakage
Fig. 7. Effects of CGDP treatment time on the content of MDA (a) and ergosterol (b) in A. alternata
Fig. 8. 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
Fig. 9. Correlation heatmap of the effects of CGDP treatment on different physiological characteristics of A. alternata
Fig. 10. Mode of action diagram of CGDP inactivation of fungal spores
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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
Category: Research Articles
Received: Nov. 24, 2023
Accepted: Jan. 12, 2024
Published Online: Jul. 18, 2024
The Author Email: PU Lumei (蒲陆梅)