Effects of plasma irradiation using various feeding gases on growth of Raphanus sativus L.

Sarinont, Thapanut; Amano, Tsuyoshi; Attri, Pankaj; Koga, Kazunori; Hayashi, Nobuya; Shiratani, Masaharu

doi:10.1016/j.abb.2016.03.024

Cited by 67 publications

(69 citation statements)

References 32 publications

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“…In the wavelength range, due to the high photon energy, UV light has an important direct impact on the photochemical reaction [25]. UV light also has an indirect effect, where the free radicals are generated by UV light in the gas or liquid phase, and react with the organism [15].…”

Section: Discussionmentioning

confidence: 99%

Effects of cold plasma treatment on alfalfa seed growth under simulated drought stress

Feng

Wang

Shao

et al. 2018

Plasma Sci. Technol.

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The effect of different cold plasma treatments on the germination and seedling growth of alfalfa (Medicago sativa L.) seeds under simulated drought stress conditions was investigated. Polyethyleneglycol-6000 (PEG 6000)with the mass fraction of 0% (purified water), 5%, 10%, and 15% were applied to simulate the drought environment. The alfalfa seeds were treated with 15 different power levels ranged between 0-280 W for 15 s. The germination potential, germination rate, germination index, seedling root length, seedling height, and vigor index were investigated. Results indicated significant differences between treated with proper power and untreated alfalfa seeds. With the increase of treatment power, these indexes mentioned above almost presented bimodal curves. Under the different mass fractions of PEG 6000, results showed that the lower power led to increased germination, and the seedlings presented good adaptability to different drought conditions. Meanwhile, higher power levels resulted in a decreased germination rate. Seeds treated with 40 W resulted in higher germination potential, germination rate, seedling height, root length, and vigor index. Vigor indexes of the treated seeds under different PEG 6000 stresses increased by 38.68%, 43.91%, 74.34%, and 39.20% respectively compared to CK 0-0 , CK 5-0 , CK 10-0 , and CK 15-0 (the control sample under 0%, 5%, 10%, and 15% PEG 6000). Therefore, 40 W was regarded as the best treatment in this research. Although the trend indexes of alfalfa seeds treated with the same power were statistically the same under different PEG 6000 stresses, the cold plasma treatment had a significant effect on the adaptability of alfalfa seeds in different drought environments. Thus, this kind of treatment is worth implementing to promote seed growth under drought situations.

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Section: Discussionmentioning

confidence: 99%

Effects of cold plasma treatment on alfalfa seed growth under simulated drought stress

Feng

Wang

Shao

et al. 2018

Plasma Sci. Technol.

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“…Sarinont et al . (2016) demonstrated that OH and O radicals could play an important role in growth enhancement 28 . The growth enhancement by OH and O radicals might be induced by NOx production, which shows a protective effect against mild oxidative stress 47 .…”

Section: Discussionmentioning

confidence: 99%

“…Sarinont et al . (2016) reported that plasma irradiation more effectively enhances plant growth in humid air than in dry air 28 . Park et al .…”

Section: Introductionmentioning

confidence: 99%

Roles of oxides of nitrogen on quality enhancement of soybean sprout during hydroponic production using plasma discharged water recycling technology

Lee

Khan

Shim

et al. 2018

Sci Rep

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This study was performed to assess the effect of plasma-discharged water recycling technology as irrigation water on soybean sprout production. Two different types of irrigation water were used individually for cultivation, including plasma discharged water as a source of oxides of nitrogen and tap water, irrigation water was recycled for every 30 minutes. Plasma discharged irrigation water reduced overall 4.3 log CFU/ml aerobic microbe and 7.0 log CFU/ml of artificially inoculated S. Typhimurium within 5 minutes and 2 minutes, respectively, therefore sprout production occurs in a hygienic environment. Using of plasma-discharged water for cultivation, increases the amount of ascorbate, asparagine, and γ-aminobutyric acid (GABA) significantly (p < 0.05), in the part of cotyledon and hypocotyl of soybean sprout during 1 to 4 days of farming. A NO scavenger, 2-(4-carboxy-phenyl)-4,4,5,5-tetramethylimidazoline-1-oxy-3-oxide (cPTIO), was added in irrigation water to elucidate the roles of the oxides of nitrogen such as NO3−, NO2− generated in plasma discharged water. It was observed that all three nutrients decreased in the cotyledon part, whereas ascorbate and GABA contents increased in the hypocotyl and radicle part of bean sprout for the same duration of farming. The addition of NO scavenger in the irrigation water also reduced growth and overall yield of the soybean sprouts. A recycling water system with plasma-discharged water helped to reduce the amount of water consumption and allowed soybean sprouts growth in a hygienic environment during the hydroponic production.

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“…Experiments were carried out using a scalable DBD device, as described in previous research articles 73 , 74 . The device was set in ambient air at atmospheric pressure.…”

Section: Methodsmentioning

confidence: 99%

The protective action of osmolytes on the deleterious effects of gamma rays and atmospheric pressure plasma on protein conformational changes

Attri

Kim

Sarinont

et al. 2017

Sci Rep

Self Cite

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Both gamma rays and atmospheric pressure plasma are known to have anticancer properties. While their mechanism actions are still not clear, in some contexts they work in similar manner, while in other contexts they work differently. So to understand these relationships, we have studied Myoglobin protein after the treatment of gamma rays and dielectric barrier discharge (DBD) plasma, and analyzed the changes in thermodynamic properties and changes in the secondary structure of protein after both treatments. The thermodynamic properties were analyzed using chemical and thermal denaturation after both treatments. We have also studied the action of gamma rays and DBD plasma on myoglobin in the presence of osmolytes, such as sorbitol and trehalose. For deep understanding of the action of gamma rays and DBD plasma, we have analyzed the reactive species generated by them in buffer at all treatment conditions. Finally, we have used molecular dynamic simulation to understand the hydrogen peroxide action on myoglobin with or without osmolytes, to gain deeper insight into how the osmolytes can protect the protein structure from the reactive species generated by gamma rays and DBD plasma.

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Effects of plasma irradiation using various feeding gases on growth of Raphanus sativus L.

Cited by 67 publications

References 32 publications

Effects of cold plasma treatment on alfalfa seed growth under simulated drought stress

Effects of cold plasma treatment on alfalfa seed growth under simulated drought stress

Roles of oxides of nitrogen on quality enhancement of soybean sprout during hydroponic production using plasma discharged water recycling technology

The protective action of osmolytes on the deleterious effects of gamma rays and atmospheric pressure plasma on protein conformational changes

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