Emerging Trends for ZnO Nanoparticles and Their Applications in Food Packaging

ACS Food Science & Technology, Год журнала: 2022, Номер 2(5), С. 763 - 781

Опубликована: Апрель 26, 2022

Zinc oxide (ZnO) nanoparticles (NPs), which are declared as generally recognized safe by the U.S. Food and Drug Administration, is discussed in this review to reveal their beneficial characteristics when incorporated into packaging matrixes for food preservation applications. Some of major challenges conventional include microbial contamination, oxidation, moisture, gas, UV transmission food, lack mechanical strength. These factors lead poor shelf life, affect quality, cause wastage. Advancement has shifted focus toward nanotechnology. Nanotechnology oriented fabrication application materials with nanosized dimensions. Among various nanomaterials, current research focused on ZnO NPs due properties future Incorporation biopolymer considerably enhanced antimicrobial activity against foodborne pathogens prolonged life foodstuffs a Trojan-horse strategy reactive oxygen mechanism. Besides activity, allow improvement antioxidant limiting presence headspace. Comprehensive nanocomposite (NC) (BP) features significance applications presented review. Furthermore, it discusses effect strength barrier such water vapor permeability, rate, across material.

Язык: Английский

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Photocatalytic Degradation of Methylene Blue Dye from Wastewater by Using Doped Zinc Oxide Nanoparticles

Water, Год журнала: 2023, Номер 15(12), С. 2275 - 2275

Опубликована: Июнь 17, 2023

ZnO is a semiconductor material that has important physical and chemical properties, which are frequently significantly enhanced by the addition of impurities, such as doping. A study structural properties pristine functionalized (i.e., doped with Antimony Tungsten) nanoparticles been conducted for photocatalyst-based degradation methylene blue (MB) dye under both Ultraviolet (UV) solar light. Authors have used 1% concentration dopant doping purposes. The synthesized materials were characterized analysis, functional group identification, spectroscopic measurements, morphological examination using X-ray diffraction (XRD), Fourier transform-infrared (FTIR), UV-Vis spectroscopy (UV-Vis), Field emission scanning electron microscope (FESEM) techniques. XRD analysis confirmed synthesized-doped retained wurtzite hexagonal structure purity 99%. Transmission (TEM) data reveals average size pure ZnO-NPs was found to be 7 nm; after increased 18 nm 9.55 nm, respectively, ZnO-W ZnO-Sb. As per FESEM results, minor changes observed Differential reflectance UV-DRS revealed confirmation antimony tungsten, exhibited shift. decrease in band-gap on makes more efficient photocatalytic applications. efficiency catalysts (PCD) analyzed UV irradiation. This effect pH, nano-photocatalyst dose, initial (ICD) PCD MB. obtained analytical results showed ideal conditions MB follows: pH = 9, quantity 300 mg/L, an dose 10 ppm. These lead about 91% ZnO-Sb exposure radiation. reusability also stability nano-photocatalysts. current research may pave way removal hazardous dyes from wastewater discharged many industries.

Язык: Английский

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Green synthesis of metal oxide nanoparticles, and their various applications

Journal of Hazardous Materials Advances, Год журнала: 2024, Номер 13, С. 100401 - 100401

Опубликована: Янв. 13, 2024

Bio-synthesized metal oxide (MeO) nanoparticles (NPs) have triggered a huge global research interest owing to their advancement and various environmental remediation, personal care products, medical, energy, sensing, water treatment applications. They demonstrate developing assets in industries, remarkably with heightened physicochemical, optical, mechanical, electronic attributes. The physical chemical routes been sticking point the production of MeO NPs, natural risks linked utilizing these approaches. growth NPs via biologic method employing plants microorganisms as precursor material for metal-ions (MIs) reduction stabilization has focus scientists recent years. Hence, this review, comprehensive brief bio-synthesis approaches using plant extracts (PEs) microorganism components well factors affecting bio-production applications toxicity were considered.

Язык: Английский

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Biologically synthesized iron nanoparticles (FeNPs) from Phoenix dactylifera have anti-bacterial activities

Scientific Reports, Год журнала: 2021, Номер 11(1)

Опубликована: Ноя. 11, 2021

Abstract Nanotechnology is a vast field of science with the most vibrant and conspicuous applications. The green synthesis approach cost-effective, eco-friendly, produces stable metal-based nanoparticles without use toxic chemicals. This study presents iron (FeNPs). For biosynthesis FeNPs, Phoenix dactylifera extract was used as reducing agent sulfate heptahydrate (FeSO 4 ·7H 2 O) substrate. FeNPs were characterized by different techniques including UV–Visible spectroscopy, Fourier transform infrared spectroscopy (FTIR), nano zeta-sizer analysis. antimicrobial activity synthesized using an aqueous evaluated against Escherichia coli , Bacillus subtilis Micrococcus leutus, Klebsiella pneumoniae . A notable color change from yellow to black confirmed FeNPs. sharp peak at 450 nm FTIR showed presence O–H C=C stretching due phenol alkene functional groups. average size 6092 d.nm. results that exhibit potential bacterial strains maximum 25 ± 0.360 zone inhibition coli. Thus, could be agents.

Язык: Английский

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Effects of Biogenic ZnO Nanoparticles on Growth, Physiological, Biochemical Traits and Antioxidants on Olive Tree In Vitro

Horticulturae, Год журнала: 2022, Номер 8(2), С. 161 - 161

Опубликована: Фев. 12, 2022

Currently, there is an increasing interest in nanotechnology, since some nanomaterials can enhance crop growth, yield, nutritional status, and antioxidant defences. This work aimed to investigate for the first time influence of zinc oxide nanoparticles (ZnO-NPs) on vitro growth biochemical parameters olive tree (cv. Moraiolo). With this goal, biogenic ZnO-NPs (spherical shape dimensions range 10–20 nm), deriving from a green synthesis carried out with Lemna minor L. extract were used. Different concentrations (0, 2, 6 18 mg L−1) added medium (OM substrate), three sub-cultures 45 days each out. at L−1 enhanced explants, such as number shoots, fresh total dry weight. Moreover, abovementioned raised chlorophyll b content soluble protein. Finally, concerning dosage applied, treatments stimulated carotenoids, anthocyanins, phenol (TPC), radical scavenging activity towards DPPH (2.2-diphenyl-1-picrylhydrazyl). In conclusion, study highlighted that exerted beneficial effects explants vitro, improving effectiveness micropropagation technique.

Язык: Английский

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Zinc Oxide Nanoparticles (ZnO NPs), Biosynthesis, Characterization and Evaluation of Their Impact to Improve Shoot Growth and to Reduce Salt Toxicity on Salvia officinalis In Vitro Cultivated

Processes, Год журнала: 2022, Номер 10(7), С. 1273 - 1273

Опубликована: Июнь 28, 2022

Green synthesis of zinc oxide nanoparticles (ZnO NPs) using plant extracts have recently attracted considerable attention due to their environmental protection benefits and easy low cost fabrication. In the current study, ZnO NPS were synthesized aqueous extract Ochradenus arabicus as a capping reducing agent. The obtained NPs firstly characterized ultraviolet visible (UV-Vis) spectroscopy, Fourier transform infrared (FTIR), transmission electron microscope (TEM), X-ray diffraction (XRD), energy dispersive absorption (EDX), zeta potential, size. All these techniques confirmed characteristic features biogenic NPs. Then, evaluated for effects on morphological, biochemical, physiological parameters Salvia officinalis cultured in Murashige Skoog medium containing 0, 75, 100, 150 mM NaCl. results showed that at dose 10 mg/L significantly increased shoot number, fresh weight, dry weight subjected or not salt stress. For length, slight increase 4.3% was recorded treated by NaCl+10 compared only with On other hand, without NaCl, application both concentrations 30 improved total chlorophyll content 30.3% 21.8%, respectively. Under addition enhanced 1.5 times, whilst decrease plants NaCl + Additionally, enhance proline accumulation antioxidative enzyme activities catalase (CAT), superoxide dismutase (SOD), glutathione reductase (GR) under salinity. Our findings revealed green NPs, especially mg/L, play crucial role growth enhancement stress mitigation. Hence, this biosynthesized concentration can be considered effective nanofertilizers grown salty areas.

Язык: Английский

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A Review of Sustainable Use of Biogenic Nanoscale Agro-Materials to Enhance Stress Tolerance and Nutritional Value of Plants

Plants, Год журнала: 2023, Номер 12(4), С. 815 - 815

Опубликована: Фев. 11, 2023

Climate change is more likely to have a detrimental effect on the world's productive assets. Several undesirable conditions and practices, including extreme temperature, drought, uncontrolled use of agrochemicals, result in stresses that strain agriculture. In addition, nutritional inadequacies food crops are wreaking havoc human health, especially rural regions less developed countries. This could be because plants unable absorb nutrients conventional fertilizers, or these fertilizers an inappropriate unbalanced nutrient composition. Chemical been used for centuries considerably increased crop yields. However, they also disrupt soil quality structure, eventually impacting entire ecosystem. To address situation, it necessary develop advanced materials can release targeted points plant-soil environment appropriate receptors leaf case foliar applications. Recently, nanotechnology-based interventions strongly encouraged meet growing demand promote security environmentally friendly manner. Biological approaches synthesis nanoscale agro-materials become promising area research, with wide range product types such as nanopesticides, nanoinsecticides, nanoherbicides, nanobactericides/fungicides, bio-conjugated nanocomplexes, nanoemulsions emerging therefrom. These sustainable target-oriented than agrochemicals. this paper, we reviewed literature major abiotic biotic plant growth productivity. We comprehensively discussed different forms provided overview biological nano-enabled strategies efficiently alleviate while potentially enhancing values plants.

Язык: Английский

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ZnO nanoparticles as potential fertilizer and biostimulant for lettuce

Heliyon, Год журнала: 2023, Номер 9(1), С. e12787 - e12787

Опубликована: Янв. 1, 2023

Zn is an indispensable nutrient for crops that usually presents low bioavailability. Different techniques have been proposed to improve the bioavailability of Zn, including use nanofertilizers. The objective study was evaluate applications drench (D) and foliar (F) ZnO nanoparticles (NZnO) compared those ionic Zn2+ (ZnSO4) in lettuce. plants cv. Great Lakes 407 produced pots 4 L with perlite-peat moss (1:1) under greenhouse conditions. treatments consisted NZnO replaced total provided a Steiner solution, as follows: (100%D) (control); (50%D+50%F); (100%D); (75%D); (50%D); (75%F) (50%F). Four were made frequency 15 days. 75 days after transplant (DAP), fresh dry biomass, chlorophyll a, b, β-carotene, phenolics, flavonoids, antioxidant capacity, vitamin C, glutathione, H2O2, protein, enzymatic activity PAL, CAT, APX, GPX evaluated. mineral concentrations (N, P, K, Ca, Mg, S, Cu, Fe, Mn, Mo, Ni, Si) leaves roots also determined. results showed that, Zn2+, promoted increases biomass (14-52%), chlorophylls (32-69%), compounds such C. enzymes like CAT well concentration Si increased NZnO. A better response found most variables equivalent 50-75% applied conventionally. These demonstrate replacement possible, promoting fertilizer efficiency nutraceutical quality

Язык: Английский

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Utilizing bio-synthesis of nanomaterials as biological agents for controlling soil-borne diseases in pepper plants: root-knot nematodes and root rot fungus

BMC Plant Biology, Год журнала: 2024, Номер 24(1)

Опубликована: Фев. 15, 2024

The utilization of Trichoderma longibrachiatum filtrate as a safe biocontrol method for producing zinc nanoparticles is promising approach managing pests and diseases in agricultural crops. identification sp. was achieved through PCR amplification sequencing 18s ON203115, while the synthesis ZnO-NPs accomplished by employing filtration. presence confirmed observing color change to dark green, along with use visible UV spectrophotometers, formation chemical structure were examined. Direct exposure exhibited significant inhibitory effect on growth Fusarium oxysporum at 80.73% compared control. Also, percent mortality Meloidogyne incognita second juveniles stage (J2s) results showed 11.82%, 37.63%, 40.86%, 89.65% after 6, 12, 24, 72 h, respectively vitro. Disease resistance assessed greenhouse against M. F. using drench application ZnO-NPs. significantly reduced disease severity improved quality quantity sweet pepper yield. In addition, resulted reduction number nematode galls, egg masses per root, eggs/egg mass, females 98%, 99%, 99.9%, 95.5% respectively.Furthermore, it observed that plants not only inhibited incognita, but also promoted recovery indicated improvements stem length 106%, root 102%, fresh weight 112%, 107%, leaf area 118% healthy control plants. Additionally, real-time DD-PCR technique revealed stimulated secretion certain enzymes. These findings suggest biosynthesized possess anti-nematode antifungal properties, making them effective protecting invasion soil. This study contributes our understanding nematicidal fungicidal activities suppressing soil-borne diseases.

Язык: Английский

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Improving transformation and regeneration efficiency in medicinal plants: Insights from other recalcitrant species

Journal of Experimental Botany, Год журнала: 2024, Номер unknown

Опубликована: Апрель 23, 2024

Abstract Medicinal plants are integral to traditional medicine systems worldwide, being pivotal for human health. Harvesting plant material from natural environments, however, has led species scarcity, prompting action develop cultivation solutions that also aid conservation efforts. Biotechnological tools, specifically tissue culture and genetic transformation, offer sustainable, large-scale production enhanced yield of valuable biomolecules. While these techniques instrumental the development medicinal industry, challenge inherent regeneration recalcitrance in some vitro hampers This review examines strategies overcoming using a holistic approach, emphasizing meticulous choice explants (e.g. embryonic/meristematic tissues), growth regulators synthetic cytokinins), use novel regeneration-enabling methods deliver morphogenic genes GRF/GIF chimeras nanoparticles), which have been shown contribute barriers agriculture crops. Furthermore, it highlights benefit cost-effective genomic technologies enable precise genome editing value integrating data-driven models address genotype-specific challenges research. These advances mark progressive step towards future where is not only more efficient predictable but inherently ensuring continued availability exploitation important current generations.

Язык: Английский

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