Special Issue "Plasma Techniques in Agriculture, Biology and Food Production"

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Applied Biosciences and Bioengineering".

Deadline for manuscript submissions: 10 December 2020.

Special Issue Editors

Prof. Dr. Gyungsoon Park
Website
Guest Editor
Department of Electrical and Biological Physics, Plasma Bioscience Research Center, Kwangwoon University, Seoul 01897, Korea
Interests: applied microbiology; plasma sterilization and sanitation; fungi; microbiome; beneficial microorganisms; plant disease control
Dr. Henrike Brust
Website
Co-Guest Editor
Leibniz Institute for Plasma Science and Technology (INP), Felix-Hausdorff-Straße 2, 17489 Greifswald, Germany
Interests: plant physiology; biochemistry; effects of physical plasma on plant growth and development; decontamination capacity of physical plasma on microorganisms

Special Issue Information

Dear Colleagues,

Cold atmospheric pressure plasma has been actively applied in medicine and agriculture. Particularly, it is considered to be a promising tool for solving problems and improving processes in agriculture, the food industry, and other biological fields. Compared to medicine, the agriculture, food, and environmental fields are recently getting more attention in the application of plasma techniques. Many issues such as efficiency, standardization, and action mechanisms of plasma, still require a tremendous amount of research. Accumulating data and information should be actively shared and exchanged among researchers for making cold atmospheric pressure plasma future advanced technology

We propose a Special Issue on the biological applications of cold atmospheric pressure plasma. The upcoming issue will focus on “Plasma Techniques in Agriculture, Biology and Food Production”. Medicine will not be the main focus of this Issue. Manuscripts are welcome that deal with the application of different kinds of plasma sources in pre-and postharvest processes with agriculture and food technology as well as in the biology field, such as environmental issues and biotechnology. Basic characterization, application case studies, plasma standardization, and elucidation of mechanisms can be handled in this Issue.

We welcome the active participation from all researchers in the related area and particularly, attendees of IWOPA 2020 (3rd International Workshop on Plasma Agriculture, Mar. 01-04, 2020, Greifswald, Germany).

Dr. Gyungsoon Park
Dr.  Henrike Brust
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • agriculture
  • antioxidants
  • biology
  • cold atmospheric pressure plasma
  • crops
  • environment
  • food decontamination
  • food industry
  • food storage
  • growth stimulation
  • microbial inactivation
  • pesticides
  • plant growth
  • plant growth promoting bacteria (PGPB)
  • plasma chemistry
  • post-harvest disease control
  • preservation
  • reactive species
  • seed germination
  • storage
  • surface decontamination
  • surface modification

Published Papers (4 papers)

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Open AccessFeature PaperArticle
A Coaxial Dielectric Barrier Discharge Reactor for Treatment of Winter Wheat Seeds
Appl. Sci. 2020, 10(20), 7133; https://doi.org/10.3390/app10207133 - 13 Oct 2020
Abstract
Non-thermal atmospheric pressure plasmas have been recently explored for their potential usage in agricultural applications as an interesting alternative solution for a potential increase in food production with a minor impact on the ecosystem. However, the adjustment and optimization of plasma sources for [...] Read more.
Non-thermal atmospheric pressure plasmas have been recently explored for their potential usage in agricultural applications as an interesting alternative solution for a potential increase in food production with a minor impact on the ecosystem. However, the adjustment and optimization of plasma sources for agricultural applications in general is an important study that is commonly overlooked. Thus, in the present work, a dielectric barrier discharge (DBD) reactor with coaxial geometry designed for the direct treatment of seeds is presented and investigated. To ensure reproducible and homogeneous treatment results, the reactor mechanically shakes the seeds during treatment, and ambient air is admixed while the discharge runs. The DBD, operating with argon and helium, produces two different chemically active states of the system for seed modification. The temperature evolution was monitored to guarantee a safe manipulation of seeds, whereas a physiological temperature was assured by controlling the exposure time. Both treatments led to a remarkable increase in wettability and acceleration in germination. The present study showed faster germination acceleration (60% faster after 24 h) and a lower water contact angle (WCA) (82% reduction) for winter wheat seeds by using the described argon discharge (with air impurities). Furthermore, the treatment can be easily optimized by adjusting the electrical parameters. Full article
(This article belongs to the Special Issue Plasma Techniques in Agriculture, Biology and Food Production)
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Open AccessArticle
Effects of Atmospheric-Pressure Cold Plasma Treatment on Deoxynivalenol Degradation, Quality Parameters, and Germination of Barley Grains
Appl. Sci. 2020, 10(10), 3530; https://doi.org/10.3390/app10103530 - 20 May 2020
Cited by 2
Abstract
Deoxynivalenol (DON) is one of the major trichothecene mycotoxins commonly found in grains, in particular barley. This study focused on the reduction of DON concentration on barley samples using atmospheric cold plasma (ACP) treatment. The effects of moisture content, post-treatment storage, and relative [...] Read more.
Deoxynivalenol (DON) is one of the major trichothecene mycotoxins commonly found in grains, in particular barley. This study focused on the reduction of DON concentration on barley samples using atmospheric cold plasma (ACP) treatment. The effects of moisture content, post-treatment storage, and relative humidity of air on DON degradation on barley were evaluated. Additionally, the germination and the quality parameters of barley, including protein content, β-glucan, and moisture content, were evaluated. The results showed that ACP treatment for 6 and 10 min reduced DON concentration by 48.9% and 54.4%, respectively. No significant differences were observed in the DON degradation levels by increasing the moisture content of barley from 9.5 to 15.7 g water/100 g sample and relative humidity of air from 12 to 60%. Steeping of barley grains without subsequent drying prior to ACP treatment significantly increased the degradation rate of DON by ACP due to the presence of water on the grain surface. No significant differences were observed for the tested quality parameters of barley in comparison with control samples. This study shows that ACP may offer an effective DON reduction in barley without affecting the quality attributes. However, ACP treatment parameters should be optimized to achieve a better DON reduction efficacy. Full article
(This article belongs to the Special Issue Plasma Techniques in Agriculture, Biology and Food Production)
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Open AccessArticle
Scalable Treatment of Flowing Organic Liquids Using Ambient-Air Glow Discharge for Agricultural Applications
Appl. Sci. 2020, 10(3), 801; https://doi.org/10.3390/app10030801 - 23 Jan 2020
Cited by 3
Abstract
In this work, we developed a portable device with low production and operation costs for generating ambient-air glow discharge (AAGD) that is transferred to the surface of flowing liquid and demonstrated its applicability to practical use in agriculture. An experiment procedure that ensured [...] Read more.
In this work, we developed a portable device with low production and operation costs for generating ambient-air glow discharge (AAGD) that is transferred to the surface of flowing liquid and demonstrated its applicability to practical use in agriculture. An experiment procedure that ensured the stable treatment of various liquids was established. Additionally, it was found that humidity did not have a significant effect on the treatment process, which makes the use of the developed device possible in various locations. It was found that an L-phenylalanine solution treated with AAGD allows simultaneous 40% hydroponic radish-sprout growth promotion with a bactericidal effect. Further, scalability and practical-application possibilities in hydroponic plant growth were discussed. Full article
(This article belongs to the Special Issue Plasma Techniques in Agriculture, Biology and Food Production)
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Review

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Open AccessReview
The Effects of Plasma on Plant Growth, Development, and Sustainability
Appl. Sci. 2020, 10(17), 6045; https://doi.org/10.3390/app10176045 - 31 Aug 2020
Abstract
Cold atmospheric or low pressure plasma has activation effects on seed germination, plant growth and development, and plant sustainability, and prior experimental studies showing these effects are summarized in this review. The accumulated data indicate that the reactive species generated by cold plasma [...] Read more.
Cold atmospheric or low pressure plasma has activation effects on seed germination, plant growth and development, and plant sustainability, and prior experimental studies showing these effects are summarized in this review. The accumulated data indicate that the reactive species generated by cold plasma at atmospheric or low pressure may be involved in changing and activating the physical and chemical properties, physiology, and biochemical and molecular processes in plants, which enhances germination, growth, and sustainability. Although laboratory and field experiments are still required, plasma may represent a tool for efficient adaptation to changes in the climate and agricultural environments. Full article
(This article belongs to the Special Issue Plasma Techniques in Agriculture, Biology and Food Production)
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