Nanotechnology in the life sciences, Journal Year: 2024, Volume and Issue: unknown, P. 17 - 56
Published: Jan. 1, 2024
Language: Английский
Scientia Horticulturae, Journal Year: 2024, Volume and Issue: 331, P. 113159 - 113159
Published: April 3, 2024
Language: Английский
Citations
19
Ecotoxicology and Environmental Safety, Journal Year: 2024, Volume and Issue: 281, P. 116620 - 116620
Published: June 21, 2024
Iron-nanoparticles (Fe-NPs) are increasingly been utilized in environmental applications due to their efficacy and strong catalytic activities. The novelty of nanoparticle science had attracted many researchers especially for green synthesis, which can effectively reuse biological resources during the polymerization reactions. Thus, synthesis Fe-NPs utilizing plant extracts could be considered as eco-friendly, simple, rapid, energy-efficient, sustainable, cost-effective. route recognized a practical, valuable, economically effective alternative large-scale production. During production process, some biomolecules present undergo metal salts reduction, serve both capping reducing mechanism, enhancing reactivity stability green-synthesized Fe-NPs. diversity species provided wide range potential sources With improved understanding specific involved bioreduction stabilization processes, it will become easier identify utilize new, materials synthesis. Newly synthesized require different characterization techniques such transmission electron microscope, ultraviolet-visible spectrophotometry, X-ray absorption fine structure, etc, determination size, composition, structure. This review described assessed recent advancements derived from plant-based material. Detailed information on various suitable yielding valuable with diverse safety. Additionally, this examined employed analyze Fe-NPs, stability, accumulation, mobility, fate environment. Holistically, remediating wastewaters, organic residues, inorganic contaminants. toxicity was also addressed; emphasizing need refine ensure safety friendliness. Moving forward, future challenges opportunities associated would motivate novel research about nanoparticles new directions.
Language: Английский
Citations
14
Scientific Reports, Journal Year: 2024, Volume and Issue: 14(1)
Published: Aug. 6, 2024
Abstract In the current arena, new-generation functional nanomaterials are key players for smart solutions and applications including environmental decontamination of pollutants. Among plethora nanomaterials, graphene-based nanocomposites in driving seat surpassing their counterparts due to unique physicochemical characteristics superior surface chemistry. The purpose present research was synthesize characterize magnetite iron oxide/reduced graphene oxide (FeNPs/rGO) via a green approach test its application degradation methylene blue. modified Hummer's protocol adopted (GO) through chemical exfoliation using graphitic route. Leaf extract Azadirachta indica used as reducing agent reduce GO into reduced (rGO). Then, deposition leaf extract, nanocomposite comprising oxides i.e., FeNPs/rGO synthesized. During synthesis functionalized FeNPs/rGO, acted reducing, capping, stabilizing agent. final synthesized materials were characterized analyzed an array techniques such scanning electron microscopy (SEM)-energy dispersive X-ray microanalysis (EDX), Fourier transform infrared spectroscopy (FT-IR), diffraction analysis, UV–visible spectrophotometry. spectrum evaluate optical band gap. Using FT-IR spectrum, groupings identified nanocomposites. morphology elemental analysis process investigated SEM–EDX. GO, rGO, FeNPs, showed maximum absorption at 232, 265, 395, 405 nm, respectively. FTIR different groups (OH, COOH, C=O), C–O–C) modifying material surfaces. Based on Debye Sherrer's equation, mean calculated particle size all < 100 nm (GO = 60–80, rGO 90–95, FeNPs 70–90, Fe/GO 40–60, Fe/rGO 80–85 nm). Graphene-based displayed rough surfaces with clustered spherical shapes EDX confirmed presence both oxygen produced synthetic degraded approximately 74% results, it is plausible conclude that can also be potential photocatalyst degrader other dye pollutants lower
Language: Английский
Citations
12
BMC Plant Biology, Journal Year: 2024, Volume and Issue: 24(1)
Published: March 27, 2024
Abstract Most vegetable crops are severely affected by the uptake of heavy metals from soil. Heavy in bodies generate reactive oxygen species (ROS) that unbalance antioxidant defense system. This study was initiated to determine physiological and biochemical characteristics spinach plants grown on soil contaminated with responding Bacillus cereus aerius were isolated metals. metal contamination led a significant reduction seed germination, seedling biomass, protein, total nitrogen content soils compared control soils. In contrast, increase metallothioneins enzymes observed. Plants inoculated B. significantly reduced oxidative stress induced improving germination (%), growth, nitrogen, protein content. The activities seeds bacterial strains. addition, with, showed greater stomata opening than metals, whose almost closed. These results suggested both strains enhanced plant growth reducing caused
Language: Английский
Citations
8
BMC Plant Biology, Journal Year: 2024, Volume and Issue: 24(1)
Published: Oct. 19, 2024
The present study investigates the impact of varying concentrations PVC microplastics (PVC–MPs) – specifically 0 (no PVC–MPs), 2, and 4 mg L− 1 –alongside different arsenic (As) levels As), 150, 300 kg− in soil, with concurrent application copper oxide–nanoparticles (CuO–NPs) at CuO –NPs), 25 50 µg mL− to barley (Hordeum vulgare L.) plants. This research primarily aims assess plant growth biomass, photosynthetic pigments gas exchange characteristics, oxidative stress indicators, as well response various antioxidants (both enzymatic non-enzymatic) their relevant genes expression, proline metabolism, AsA–GSH cycle, cellular fractionation within findings showed that increased PVC–MPs As soil significantly reduced pigments, characteristics. Additionally, roots shoots, evidenced by elevated malondialdehyde (MDA), hydrogen peroxide (H2O2), electrolyte leakage (EL), which turn stimulated production non-enzymatic antioxidants, gene sugar content. Furthermore, a notable increase pigmentation was observed. Conversely, CuO–NPs resulted substantial improvement activity along reduction stress. enhanced while decreasing metabolism AsA-GSH cycle H. These outcomes provide new insights into sustainable agricultural practices offer significant potential addressing critical challenges heavy metal contamination soils.
Language: Английский
Citations
6
Plant Physiology and Biochemistry, Journal Year: 2025, Volume and Issue: unknown, P. 109575 - 109575
Published: Jan. 1, 2025
Language: Английский
Citations
0
Ecotoxicology and Environmental Safety, Journal Year: 2025, Volume and Issue: 291, P. 117899 - 117899
Published: Feb. 1, 2025
In recent years, the use of priming agents, such as silicon, melatonin, salicylic acid, glycine betaine, and ascorbic acid has gained significant attention for their role in mitigating abiotic stresses across various plant species. While previous research been conducted on individual impact metal stress resistance among crop species, combined effects context heavy stressed conditions remain underexplored. Wheat (Triticum aestivum L.) seedlings was grown under toxic concentration copper (Cu) i.e., 100 µM which were applied with hydroponic 21 days. The outcomes indicated that Cu nutrient solution notably reduced growth biomass, photosynthetic pigments, gas exchange attributes. However, also induced oxidative plants by increasing malondialdehyde (MDA), hydrogen peroxide (H2O2) increased compounds enzymatic non-enzymatic antioxidants, health risk index (HRI) gene expression sugar content. Furthermore, a increase proline metabolism, AsA-GSH cycle, pigmentation cellular components observed. Although, application different showed characteristics, compounds, decreased HRI. addition, agents enhanced fractionation metabolism cycle T. seedlings. These results open new insights sustainable agriculture practices hold immense promise addressing pressing challenges contamination agricultural soils.
Language: Английский
Citations
0
Food Chemistry, Journal Year: 2025, Volume and Issue: 478, P. 143569 - 143569
Published: Feb. 25, 2025
Language: Английский
Citations
0
Plants, Journal Year: 2025, Volume and Issue: 14(7), P. 1075 - 1075
Published: April 1, 2025
Maize (Zea mays L.), an important crop used for animal feed and human consumption, is currently threatened by water shortage. Recently, the usage of nanomaterials has attracted worldwide attention due to their applications in various fields. This research aimed evaluate comparative efficacy different metal oxide nanoparticles mitigating drought stress maize. Iron oxide, manganese copper were biosynthesized from leaf extract Conocarpus erectus L. characterized via UV-Vis, XRD, FTIR, SEM. The synthesized initially optimized at concentrations (0, 25, 50, 75, 100 ppm). doses each nanoparticle then applied maize plants under levels (50% FC, 75% 100% FC). Compared control, application significantly improved growth parameters 30% 50% 27% 26% FC. chlorophyll content also 35%, 32%, 29% as compared respectively. antioxidants (CAT, POD, SOD, APX) 37%, 34%, 31%, Moreover, use resulted a significant decrease cellular oxidative (MDA, H2O2) 23% 50%FC, Biosynthesized FeO NPs, MnO Cu NPs have demonstrated potential maize, suggesting promising approach enhance performance water-limited conditions. Further recommended explore long-term impacts practical these findings sustainable agriculture.
Language: Английский
Citations
0
Plant Physiology and Biochemistry, Journal Year: 2025, Volume and Issue: unknown, P. 109881 - 109881
Published: April 1, 2025
Language: Английский
Citations
0