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Impact of Metal and Metal Oxide Nanomaterials on Plant Research:...
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Impact of Metal and Metal Oxide Nanomaterials on Plant Research: Recent Advances and Challenges

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Crop Physiology and Crop Production".

Deadline for manuscript submissions: closed (20 August 2022) | Viewed by 17052

Special Issue Editors

Prof. Dr. Kwang-Hyun Baek

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Guest Editor
Department of Biotechnology, Yeungnam University, Gyeongsan, Gyeongbuk 38451, Republic of Korea
Interests: antimicrobial agents; synergistic effects; nanoparticles; essential oils; secondary metabolites; plant extracts; bacteria; fungi; viruses; multidrug resistance; microorganisms
Special Issues, Collections and Topics in MDPI journals
Dr. Nagaraj Basavegowda

E-Mail Website
Guest Editor
Department of Biotechnology, Yeungnam University, Gyeongsan, Gyeongbuk 38451, Republic of Korea
Interests: multimetallic nanoparticles; antimicrobial agents; synergistic effects; environmental remediation; photocatalytic; organic transformation; energy storage; biosensors; renewable energy
Special Issues, Collections and Topics in MDPI journals
Dr. Awdhesh Kumar Mishra

E-Mail Website
Guest Editor
Department of Biotechnology, Yeungnam University, Gyeongsan, Gyeongbuk 38451, Korea
Interests: nanoparticles; metal and metal oxide; green synthesis; biosynthesis; agriculture; antimicrobials; nanofertilizer; disease detection; nanosensors; plant growth; environmental stresses; crops; plant metabolism; plant disease; nutrients; toxicity
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent years, nanotechnology has attracted a great deal of attention from researchers due to its wide range of applications in various sectors, including agriculture. Agriculture is the backbone society and the main source of more than 50% of the raw materials supplied to many industrial sectors. It is, therefore, important that farmers are encouraged and supported with new technologies to sustainably grow crops of better quality and that are more cost effective and ecofriendly, with higher yield and significant returns. Currently, thousands of tons of metal and metal oxide nanoparticles are produced and utilized in medicinal, food and agricultural products. These metal and metal oxide nanoparticles are widely used in the agricultural sector due to their distinctive properties such as high surface area, tunable size and shape, physicochemical properties and particle morphology. It is generally accepted that the reaction techniques and compounds used to produce metal and metal oxide nanoparticles are environmentally friendly. Hence, green synthesis has been proposed as an alternative, eco-friendly method to reduce the use of toxic, harsh and hazardous chemicals. The organic compounds, microbes, plants and plant-derived materials are the preferred choices as reducing and capping agents for the synthesis of metal and metal oxide nanoparticles. There have been advances in the development of nano-based materials such as nanoparticles and nanoformulations that can be used as fertilizers, herbicides, pesticides, sensors, quality simulants, antimicrobials against plant pathogens and other applications in agricultural sectors. Metal and metal oxide nanoparticles are influencing plant metabolisms, reducing loss of nutrients, suppressing diseases and thereby enhancing the yields, plant growth and production. This Special Issue aims to attract contributions on all aspects of biosynthesis, characterization and applications of different metal and metal oxide nanomaterials on plant research in agricultural sectors including antimicrobial activities of plant pathogens and toxicity of nanomaterials. Original research articles and reviews that make substantial advances within this field are invited to this editorial project.

Prof. Dr. Kwang-Hyun Baek
Dr. Nagaraj Basavegowda
Dr. Awdhesh Kumar Mishra
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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. Plants 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 2700 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

  • Nanoparticles
  • Metal and metal oxide
  • Biosynthesis
  • Agriculture
  • Antimicrobials
  • Nanofertilizer
  • Nanosensors
  • Plant growth
  • Plant metabolism
  • Plant disease
  • Toxicity

Published Papers (4 papers)

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Research

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22 pages, 3340 KiB  
Article
Co-Application of TiO2 Nanoparticles and Arbuscular Mycorrhizal Fungi Improves Essential Oil Quantity and Quality of Sage (Salvia officinalis L.) in Drought Stress Conditions
by Ali Ostadi, Abdollah Javanmard, Mostafa Amani Machiani, Amir Sadeghpour, Filippo Maggi, Mojtaba Nouraein, Mohammad Reza Morshedloo, Christophe Hano and Jose M. Lorenzo
Plants 2022, 11(13), 1659; https://0-doi-org.brum.beds.ac.uk/10.3390/plants11131659 - 23 Jun 2022
Cited by 23 | Viewed by 2462
Abstract
Drought stress is known as a major yield-limiting factor in crop production that threatens food security worldwide. Arbuscular mycorrhizal fungi (AMF) and titanium dioxide (TiO2) have shown to alleviate the effects of drought stress on plants, but information regarding their co-addition [...] Read more.
Drought stress is known as a major yield-limiting factor in crop production that threatens food security worldwide. Arbuscular mycorrhizal fungi (AMF) and titanium dioxide (TiO2) have shown to alleviate the effects of drought stress on plants, but information regarding their co-addition to minimize the effects of drought stress on plants is scant. Here, a two-year field experiment was conducted in 2019 and 2020 to evaluate the influence of different irrigation regimes and fertilizer sources on the EO quantity and quality of sage (Salvia officinalis L.). The experiment was laid out as a split plot arranged in a randomized complete block design with three replicates. The irrigation treatments were 25, 50, and 75% maximum allowable depletion (MAD) percentage of the soil available water as non-stress (MAD25), moderate (MAD50), and severe (MAD75) water stress, respectively. Subplots were four fertilizer sources including no-fertilizer control, TiO2 nanoparticles (100 mg L−1), AMF inoculation, and co-addition of TiO2 and AMF (TiO2 + AMF). Moderate and severe drought stress decreased sage dry matter yield (DMY) by 30 and 65%, respectively. In contrast, application of TiO2 + AMF increased DMY and water use efficiency (WUE) by 35 and 35%, respectively, compared to the unfertilized treatment. The highest EO content (1.483%), yield (2.52 g m−2), and cis-thujone (35.84%, main EO constituent of sage) was obtained in MAD50 fertilized with TiO2 + AMF. In addition, the net income index increased by 44, 47, and 76% with application of TiO2 nanoparticles, AMF, and co-addition of TiO2 + AMF, respectively. Overall, the integrative application of the biofertilizer and nanoparticles (TiO2 + AMF) can be recommended as a sustainable strategy for increasing net income and improving EO productivity and quality of sage plants in drought stress conditions. Future policy discussions should focus on incentivizing growers for replacing synthetic fertilizers with proven nano and biofertilizers to reduce environmental footprints and enhance the sustainability of sage production, especially in drought conditions. Full article
(This article belongs to the Special Issue Impact of Metal and Metal Oxide Nanomaterials on Plant Research: Recent Advances and Challenges)
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11 pages, 4075 KiB  
Article
Cytotoxic and Genotoxic Evaluation of Biosynthesized Silver Nanoparticles Using Moringa oleifera on MCF-7 and HUVEC Cell Lines
by Hatice Alkan, İbrahim Hakkı Ciğerci, Muhammad Muddassir Ali, Omer Hazman, Recep Liman, Florica Colă and Elena Bonciu
Plants 2022, 11(10), 1293; https://0-doi-org.brum.beds.ac.uk/10.3390/plants11101293 - 12 May 2022
Cited by 5 | Viewed by 2426
Abstract
Nowadays, green synthesized nanoparticles (NPs) are extensively investigated to explore their biological potential. They are being explored to treat different infectious and cancerous diseases. Therefore, the current study was designed to evaluate the cytotoxic and genotoxic effects of biosynthesized silver nanoparticles (AgNPs) from [...] Read more.
Nowadays, green synthesized nanoparticles (NPs) are extensively investigated to explore their biological potential. They are being explored to treat different infectious and cancerous diseases. Therefore, the current study was designed to evaluate the cytotoxic and genotoxic effects of biosynthesized silver nanoparticles (AgNPs) from the medicinal plant Moringa oleifera on breast cancer (MCF-7) and HUVEC (human umbilical vein endothelial cells) cell lines. M. oleifera-mediated AgNPs were synthesized from the M. oleifera extract (MOE) and then characterized through the use of a scanning electron microscope (SEM), X-ray diffraction (XRD) and UV–vis spectrophotometer. Biosynthesized AgNPs and MOE were employed on MCF-7 and HUVEC cell lines to evaluate their cytotoxic and genotoxic effects. More cytotoxic effects were observed by AgNPs and MOE on MCF-7 cell lines. The IC50 for biosynthesized AgNPs was found to be 5 μg/mL. DNA damage was also observed by the MOE and AgNPs on MCF-7 cell lines. However, non-significant DNA damage was observed by MOE and AgNPs on HUVEC cell lines. The findings of the current study revealed the cytotoxic and genotoxic effects of biosynthesized AgNPs on MCF-7 cell lines. However, these AgNPs were considered safe for normal HUVEC cell lines. Full article
(This article belongs to the Special Issue Impact of Metal and Metal Oxide Nanomaterials on Plant Research: Recent Advances and Challenges)
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16 pages, 4167 KiB  
Article
Maize Silk Biogenic Nanoceria (CeO2NPs) Enhanced Sequential Injection-Chemiluminescence Detection of Ferulic, Sinapic and p-Coumaric in Yellow Maize Kernels
by Hesham Farouk Oraby
Plants 2022, 11(7), 885; https://0-doi-org.brum.beds.ac.uk/10.3390/plants11070885 - 25 Mar 2022
Cited by 1 | Viewed by 1442
Abstract
The current study demonstrated the capability of using maize silk as a green, simple, clean, safe, and cost-effective platform for the biosynthesis of cerium oxide (CeO2NPs). Several spectroscopic and microscopic analyses were employed to characterize the resulted biogenic nanoceria. When the [...] Read more.
The current study demonstrated the capability of using maize silk as a green, simple, clean, safe, and cost-effective platform for the biosynthesis of cerium oxide (CeO2NPs). Several spectroscopic and microscopic analyses were employed to characterize the resulted biogenic nanoceria. When the concentration of the CeO2NPs was elevated from 25 to 100 ug mL−1, the CeO2NPs exhibited strong scavenging potential ranging from 60.21 to 75.11% and 56 to 77% for 1,1-diphenyl-2- picrylhydrazyl (DPPH•) and 2-2′-azino-bis(3-ethyl benzothiazoline-6-sulphonic acid) (ABTS) tests, respectively. The quantitative determination of ferulic, sinapic, and p-coumaric acids was carried out using an eco-friendly, cost-effective, and optimized ultrasensitive nanoceria enhanced sequential injection-chemiluminescence (SIA-CL) system. The highest amount was presented by the ferulic acid (1636 ± 2.61 ug/gdw), followed by p-coumaric acid (206 ± 1.12 ug/gdw) and sinapic acid (123 ± 2.15 ug/gdw). The intrinsic capabilities of the biogenic CeO2NPs in enhancing the developed system reveal its potential role in detecting phenolic compounds with great sensitivity. Full article
(This article belongs to the Special Issue Impact of Metal and Metal Oxide Nanomaterials on Plant Research: Recent Advances and Challenges)
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Review

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20 pages, 1564 KiB  
Review
Nanofertilizers: A Smart and Sustainable Attribute to Modern Agriculture
by Amilia Nongbet, Awdhesh Kumar Mishra, Yugal Kishore Mohanta, Saurov Mahanta, Manjit Kumar Ray, Maryam Khan, Kwang-Hyun Baek and Ishani Chakrabartty
Plants 2022, 11(19), 2587; https://0-doi-org.brum.beds.ac.uk/10.3390/plants11192587 - 30 Sep 2022
Cited by 59 | Viewed by 9831
Abstract
The widespread use of fertilizers is a result of the increased global demand for food. The commonly used chemical fertilizers may increase plant growth and output, but they have deleterious effects on the soil, the environment, and even human health. Therefore, nanofertilizers are [...] Read more.
The widespread use of fertilizers is a result of the increased global demand for food. The commonly used chemical fertilizers may increase plant growth and output, but they have deleterious effects on the soil, the environment, and even human health. Therefore, nanofertilizers are one of the most promising solutions or substitutes for conventional fertilizers. These engineered materials are composed of nanoparticles containing macro- and micronutrients that are delivered to the plant rhizosphere in a regulated manner. In nanofertilizers, the essential minerals and nutrients (such as N, P, K, Fe, and Mn) are bonded alone or in combination with nano-dimensional adsorbents. This review discusses the development of nanotechnology-based smart and efficient agriculture using nanofertilizers that have higher nutritional management, owing to their ability to increase the nutrient uptake efficiency. Additionally, the synthesis and mechanism of action of the nanofertilizers are discussed, along with the different types of fertilizers that are currently available. Furthermore, sustainable agriculture can be realised by the targeted delivery and controlled release of nutrients through the application of nanoscale active substances. This paper emphasises the successful development and safe application of nanotechnology in agriculture; however, certain basic concerns and existing gaps in research need to be addressed and resolved. Full article
(This article belongs to the Special Issue Impact of Metal and Metal Oxide Nanomaterials on Plant Research: Recent Advances and Challenges)
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