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Big things come in small packages: Using nanomaterials for plant genetic engineering “大事小”:利用纳米材料进行植物基因工程
IF 7.7 Pub Date : 2025-11-01 Epub Date: 2025-11-13 DOI: 10.1016/j.plana.2025.100219
Gabriel Gonçalves Leal, Yeda Beatriz Louredo dos Santos, Marcelo Eiji Queiroz Silva Ito, Wagner Rodrigo de Souza
The increasing global demand for sustainable agricultural practices has driven the development of advanced genetic engineering techniques, including the use of nanobiotechnology for gene delivery in plants. Nanomaterials provide an innovative approach to overcoming the limitations of traditional genetic transformation methods, offering enhanced efficiency, targeted delivery, and protection of genetic material such as low efficiency, high cost, and potential for insertional mutagenesis. This review article explores the use of nanomaterials as non-viral vectors for gene delivery in plants, highlighting their potential to revolutionize plant biotechnology with a focus on their role in delivering DNA, RNA interference (RNAi), and CRISPR-based genome editing molecules in plant cells. Among the studied nanocarriers, metallic nanoparticles (e.g., gold and silver), carbon nanomaterials (CBNs), polymeric nanoparticles, and lipid-based systems have demonstrated promising results in facilitating gene transfer, increasing stability, and reducing degradation of genetic material. Notably, nanoparticles-based systems (NPs) have enabled efficient gene silencing via plasmid DNA, siRNA and dsRNA, as well as high-precision genome editing through direct ribonucleoproteins (RNPs) delivery, facilitating transgene-free mutants. The unique capacity of engineered nanomaterials to traverse the plant cell wall and membrane barriers without inducing significant cytotoxicity or genomic instability underscores their potential as transformative tools for recalcitrant species and tissue culture-free applications. However, despite these promising results, challenges remain, including NP phytotoxicity, genotypic variability in delivery efficiency, off-target effects, and unresolved environmental fate. Future research should focus on refining nanomaterial properties to enhance biocompatibility, ensure precise gene targeting, and minimize off-target effects. Additionally, the integration of nanotechnology with precision agriculture has the potential to improve crop resilience, increase yields, and reduce reliance on chemical inputs. By overcoming existing limitations, nanoparticle-mediated gene delivery could revolutionize plant biotechnology, offering sustainable and efficient solutions for global food security and climate change adaptation.
全球对可持续农业实践日益增长的需求推动了先进基因工程技术的发展,包括利用纳米生物技术在植物中进行基因传递。纳米材料提供了一种创新的方法,克服了传统遗传转化方法的局限性,提供了更高的效率、靶向传递和遗传物质的保护,如低效率、高成本和插入突变的潜力。这篇综述文章探讨了纳米材料作为植物基因传递的非病毒载体的使用,强调了它们在植物生物技术革命中的潜力,重点是它们在植物细胞中传递DNA、RNA干扰(RNAi)和基于crispr的基因组编辑分子方面的作用。在研究的纳米载体中,金属纳米粒子(如金和银)、碳纳米材料(CBNs)、聚合物纳米粒子和基于脂质的系统在促进基因转移、增加稳定性和减少遗传物质降解方面已经显示出有希望的结果。值得注意的是,基于纳米颗粒的系统(NPs)通过质粒DNA、siRNA和dsRNA实现了有效的基因沉默,并通过直接递送核糖核蛋白(RNPs)实现了高精度的基因组编辑,促进了无转基因突变体的产生。工程纳米材料的独特能力可以穿过植物细胞壁和膜屏障,而不会引起显著的细胞毒性或基因组不稳定性,这突显了它们作为顽固物种和无组织培养应用的转化工具的潜力。然而,尽管有这些有希望的结果,挑战仍然存在,包括NP植物毒性、递送效率的基因型变异、脱靶效应和未解决的环境命运。未来的研究应侧重于改进纳米材料的性能,以增强生物相容性,确保精确的基因靶向,并最大限度地减少脱靶效应。此外,纳米技术与精准农业的结合有可能提高作物的抗逆性、增加产量和减少对化学投入的依赖。通过克服现有的限制,纳米颗粒介导的基因传递可以彻底改变植物生物技术,为全球粮食安全和气候变化适应提供可持续和有效的解决方案。
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引用次数: 0
Titanium dioxide nanoparticles TiO2 NPs in crop stress management: Mechanisms, applications, and abiotic stress mitigation 二氧化钛纳米颗粒TiO2 NPs在作物胁迫管理中的应用:机制、应用和非生物胁迫缓解
IF 7.7 Pub Date : 2025-11-01 Epub Date: 2025-10-05 DOI: 10.1016/j.plana.2025.100207
Muhammad Rehman , Abdul Salam , Zaid Ulhassan , Bahar Ali , Zulqarnain Haider , Irshan Ahmad , Muhammad Umair Yasin , Muhammad Haseeb Javaid , Chunyan Yang , Muhammad Fayyaz , Yinbo Gan
Abiotic stresses significantly reduce global crop productivity by impairing physiological, biochemical, and molecular functions. Nanotechnology, particularly titanium dioxide nanoparticles (TiO2 NPs), has emerged as an innovative approach to enhance plant resilience under severe environmental conditions. This review synthesizes recent experimental findings on TiO2 NP biosynthesis and their protective roles against major abiotic stresses, including drought, salinity, heavy metal toxicity, temperature extremes, and UV radiation. TiO2 NPs regulate photosynthetic efficiency, nutrient balance, ROS homeostasis, strengthen enzymatic and non-enzymatic antioxidant defenses, stabilize cellular membranes, osmolytes accumulation, and stress-responsive gene expression, thereby enhancing stress tolerance. The synergistic applications of TiO2 NPs with other nanoparticles, phytohormones, and biochar establish additional regulatory networks to manage abiotic stresses. Despite promising results, challenges remain regarding inconsistent formulations, dose-dependent toxicity, environmental interactions, and limited field-scale validation. Addressing these gaps through optimized formulations, omics-based mechanistic studies, and biosafety assessments will support the safe and effective integration of TiO2 NP technology into sustainable crop production under changing climate conditions.
非生物胁迫通过损害生理、生化和分子功能显著降低全球作物产量。纳米技术,特别是二氧化钛纳米粒子(TiO2 NPs),已经成为一种提高植物在恶劣环境条件下恢复能力的创新方法。本文综述了TiO2 NP生物合成及其对干旱、盐度、重金属毒性、极端温度和紫外线辐射等主要非生物胁迫的保护作用的最新实验结果。TiO2 NPs调节光合效率、营养平衡、ROS稳态,增强酶促和非酶促抗氧化防御,稳定细胞膜、渗透物积累和应激反应基因表达,从而增强抗逆性。TiO2 NPs与其他纳米颗粒、植物激素和生物炭的协同应用建立了额外的调节网络来管理非生物胁迫。尽管取得了令人鼓舞的结果,但在配方不一致、剂量依赖性毒性、环境相互作用和有限的现场规模验证等方面仍然存在挑战。通过优化配方、基于组学的机制研究和生物安全评估来解决这些差距,将支持TiO2 NP技术在不断变化的气候条件下安全有效地整合到可持续作物生产中。
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引用次数: 0
Corrigendum to “Rice husk-biochar nano-carrier based 2, 4-D herbicide for efficient management of broad leaf weeds and sedges” [Plant Nano Biol. 14 (November 2025) 100203] “有效管理阔叶杂草和莎草的基于稻壳-生物炭纳米载体的2,4 - d除草剂”的勘误表[植物纳米生物学]. 14(十一月2025)100203]
IF 7.7 Pub Date : 2025-11-01 Epub Date: 2025-11-03 DOI: 10.1016/j.plana.2025.100218
Lisha Jose Kappen , V.S. Susha , M. Ameena , P. Shalini Pillai , T. Anuradha , K. Jayasankar , K.N. Anith
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引用次数: 0
Zn-Se nanocomposites and biochar amendments synergistically improved morpho-physiological, biochemical, and oil parameters of Glycine max, revealed by in-vitro analysis and GC-MS profiling 体外分析和GC-MS分析显示,锌硒纳米复合材料和生物炭改性协同改善了甘氨酸的形态、生理、生化和油参数
IF 7.7 Pub Date : 2025-11-01 Epub Date: 2025-10-20 DOI: 10.1016/j.plana.2025.100216
Ubaidur Rahman , Zohaib Younas , Ilyas Ahmad , Haris Khurshid , Maaz Ahmad , Mohammad Hamid Hamdard , Zia Ur Rehman Mashwani

Purpose

This study is conducted to check the synergistic impact of Zn-Se nanocomposites and biochar amendments on plant overall growth biomarkers. This study is the first to integrate plant-mediated Zn–Se nanocomposites with biochar amendments, providing a comprehensive evaluation of soybean growth, physiology, antioxidant responses, and oil quality. The findings offer new insights into sustainable nanotechnology–biochar strategies for improving both crop performance and seed oil traits.

Methods

Zn-Se nanocomposites were synthesized by using garlic extract and precursor salt, while biochar was synthesized from sugarcane bagasse. Different concentrations of Zn-Se nanocomposites were applied to Glycine max, and morpho-physiological, biochemical, and antioxidant analyses were carried out on the leaf samples at maturity, while metabolomics analysis of seed samples was carried out by GC-MS analysis.

Results

There was a significant rise in antioxidant capacities, such as a 396 % increase in SOD, 145 % in POD, 78 % in CAT, 102 % in MDA, 104 % in APX, and 108 % in GPX enzyme. The proximate analysis demonstrated that BC and ZnO-Se NCs greatly improved the nutritional value of soybean, especially in the oil, with a 22.09 % increase in T6 (40 ppm ZnO-Se NCs) and protein, with an increase of 42.84 % in T2 (Biochar). From GC-MS, it was identified that the increase in bioactive compounds such as Oleic acid, Octadec-9-enoic acid, Hexadecanoic acid, and other metabolites.

Conclusion

The study concluded that biochar and 40 ppm ZnO-Se NCs have an excellent potential to be utilized for crop improvement with improved quality and amount of oil and protein
目的研究锌硒纳米复合材料和生物炭改性对植物整体生长生物标志物的协同影响。该研究首次将植物介导的锌硒纳米复合材料与生物炭改性相结合,对大豆的生长、生理、抗氧化反应和油脂品质进行了综合评价。这些发现为可持续的纳米技术-生物炭策略提供了新的见解,以提高作物性能和种子油性状。方法以大蒜提取物和前体盐为原料制备szn - se纳米复合材料,以甘蔗渣为原料制备生物炭。采用不同浓度的Zn-Se纳米复合材料处理Glycine max,对成熟期叶片样品进行形态生理、生化和抗氧化分析,对种子样品进行GC-MS代谢组学分析。结果抗氧化能力显著提高,SOD升高396 %,POD升高145 %,CAT升高78 %,MDA升高102 %,APX升高104 %,GPX酶升高108 %。近似分析表明,添加BC和ZnO-Se NCs显著提高了大豆的营养价值,尤其是油脂的营养价值,T6(40 ppm)和蛋白质的营养价值提高了22.09 %,T2(生物炭)的营养价值提高了42.84 %。通过气相色谱-质谱分析,鉴定出油酸、十八烯酸、十六烷酸等代谢产物的生物活性成分增加。结论生物炭和40 ppm ZnO-Se NCs具有很好的改良潜力,可提高作物的油脂和蛋白质品质
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引用次数: 0
Soil-microbe-plant continuum under ZnO and TiO₂ nanoparticle stress: An insight into toxicological implications, risk evaluation and management strategies 氧化锌和二氧化钛纳米颗粒胁迫下的土壤-微生物-植物连续体:毒理学影响、风险评估和管理策略
IF 7.7 Pub Date : 2025-11-01 Epub Date: 2025-09-25 DOI: 10.1016/j.plana.2025.100201
Usha Kandhil , Gulab Singh , Anju Rani , Amita Suneja Dang , Shiv Kumar Giri , Saurabh Sudha Dhiman , Neha Verma , Anil Kumar
Zinc oxide (ZnO) and titanium dioxide (TiO₂) are the most synthesized and widely used engineered nanoparticles. These can largely enter the plant and soil systems through anthropogenic sources related to their widespread industrial production and application. These nanoparticles influence the soil system by altering the physicochemical parameters and microbial functions, often leading to detrimental effects on the activity of key enzymes that ultimately impact plant health. Compared to information in a similar domain, our review aims to synthesize and analyse the recent developments across the soil-microbe-plant continuum under the stress of ZnO and TiO2 NPs. Further, it integrates toxicological findings, mechanistic insights, risk assessment, and management strategies in one unified framework. The comprehensive reviews like this one may broaden the scientific understanding beyond fragmented findings, equipping the scientific community and stakeholders with the conceptual and practical tools needed to evaluate and manage nanoparticle-associated risks. Furthermore, by synthesizing evidence on long-term persistence, bioavailability, and ecological disruption across soil, microbes, and plants, this review offers guidelines for monitoring, remediation strategies, and safer usage of nanomaterials.
氧化锌(ZnO)和二氧化钛(TiO 2)是合成最多、应用最广泛的工程纳米颗粒。它们可以通过与它们广泛的工业生产和应用有关的人为来源,在很大程度上进入植物和土壤系统。这些纳米颗粒通过改变土壤的理化参数和微生物功能来影响土壤系统,通常会对关键酶的活性产生不利影响,最终影响植物健康。与同类领域的信息相比,我们的综述旨在综合和分析ZnO和TiO2 NPs胁迫下土壤-微生物-植物连续体的最新进展。此外,它将毒理学研究结果、机制见解、风险评估和管理策略整合在一个统一的框架中。像这样的全面审查可能会扩大科学理解,超越碎片化的发现,为科学界和利益相关者提供评估和管理纳米颗粒相关风险所需的概念和实用工具。此外,通过综合有关土壤、微生物和植物的长期持久性、生物利用度和生态破坏的证据,本综述为纳米材料的监测、修复策略和更安全的使用提供了指导。
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引用次数: 0
Zinc oxide nanoparticles as a way to improve physiology, photosynthesis, and anti-oxidative systems in Salvia leriifolia 氧化锌纳米颗粒作为一种改善鼠尾草生理、光合作用和抗氧化系统的方法
IF 7.7 Pub Date : 2025-11-01 Epub Date: 2025-10-13 DOI: 10.1016/j.plana.2025.100211
Mahdi Akhondi , Mohammad Sadegh Amiri , Abdollah Beyk-Khormizi , Seyed Mousa Mousavi-Kouhi , Rajneesh Kumar Gautam , Javad Mottaghipisheh , Morteza Badrolnojoum , Mohammad Ehsan Taghavizadeh Yazdi
Salvia leriifolia Benth is one of the vital herbs utilized in traditional medicine and pharmaceutical industries. Salinity stress has adverse effects on S. leriifolia. Zinc plays a significant role in plant tolerance to several environmental stresses. To investigate the interaction of salinity stress on various physiological and biochemical traits, different doses of NaCl (50, 100, 150, and 200 mM) and zinc oxide nanoparticles (ZnO NPs) in foliar form (2 and 4 mg/L) were used. A completely randomised design was conducted in four replications under greenhouse environs. The results displayed that compared to the control (without salinity stress), salinity stress at 200 mM NaCl caused a significant decrease in total chlorophyll (α ≤0.05). In addition, 150 and 200 mM NaCl led to a significant decrease in carotenoids and soluble sugars content. The amount of malondialdehyde (MDA), H2O2, catalase (CAT), superoxide dismutase (SOD), guaiacol peroxidase (GPx), polyphenol oxidase (PPO), and phenylalanine ammonialyase (PAL) was increased at all salinity levels studied (except for GPx and PAL at 200 Mm NaCl and MAL and PPO at 50 mM NaCl). Under salinity conditions (especially levels higher than 200 mM NaCl), foliar application of ZnO NPs (especially at 4 mg/L) caused a significant increase in the soluble sugar, total phenols, carotenoids, PAL, CAT, and GPx enzymes activity, and caused a substantial decrease in hydrogen peroxide and MDA (compared to the salinity stress treatment without ZnO NPs, α ≤0.05). In total, 32 types of compounds were identified in the essential oil of the plant. Under salinity conditions, some essential oil compounds (including α-pinene and α-muurolene) showed a significant decrease and some (including β-pinene and β-myrcene) showed a significant increase compared to the control. Under these conditions, the use of ZnO NPs caused significant changes in the essential oil compounds, which did not have a clear trend (α ≤0.05). It seems that foliar spraying of ZnO NPs, particularly at 4 mg/L, improved the tolerance to salinity of S. leriifolia by affecting antioxidant compounds, osmotic osmolytes, photosynthetic pigments, and membrane stability. These results suggest that 4 mg/L of ZnO NPs significantly improves the physiological and antioxidant activity of S. leriifolia under salinity stress conditions.
鼠尾草是传统医学和制药工业中重要的草药之一。盐碱胁迫对水仙花有不利影响。锌在植物对多种环境胁迫的耐受性中起着重要作用。采用不同剂量NaCl(50、100、150和200 mM)和叶片形态氧化锌纳米粒子(ZnO NPs)(2和4 mg/L)处理,研究盐胁迫对不同生理生化性状的影响。采用完全随机设计,在温室环境下进行4个重复试验。结果表明:与不受盐胁迫的对照相比,200 mM NaCl盐胁迫导致总叶绿素显著降低(α≤0.05);另外,150和200 mM NaCl处理显著降低了类胡萝卜素和可溶性糖的含量。丙二醛(MDA)、H2O2、过氧化氢酶(CAT)、超氧化物歧化酶(SOD)、愈木酚过氧化物酶(GPx)、多酚氧化酶(PPO)和苯丙氨酸氨解酶(PAL)的含量在所有盐度水平下均升高(GPx和PAL在200 Mm NaCl和MAL和PPO在50 Mm NaCl下除外)。在盐度条件下(特别是高于200 mM NaCl),叶面施氧化锌NPs(特别是4 mg/L)显著提高了可溶性糖、总酚、类胡萝卜素、PAL、CAT和GPx酶的活性,显著降低了过氧化氢和MDA的含量(与不施氧化锌NPs的盐胁迫处理相比,α≤0.05)。在该植物精油中共鉴定出32种化合物。在盐度条件下,部分精油成分(包括α-蒎烯和α-芥子烯)与对照相比显著降低,部分(包括β-蒎烯和β-月桂烯)显著增加。在这些条件下,ZnO NPs的使用引起了精油成分的显著变化,但没有明显的趋势(α≤0.05)。叶片喷施氧化锌NPs,特别是4 mg/L的氧化锌NPs,通过影响抗氧化化合物、渗透渗透物、光合色素和膜稳定性,提高了仙兰的耐盐性。综上所述,4 mg/L氧化锌NPs显著提高了盐胁迫条件下仙兰的生理和抗氧化活性。
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引用次数: 0
Iron partitioning and photosynthetic performance in Cannabis sativa L. reveal limitations of nanoscale zero-valent iron as a fertilizer 铁在大麻中的分配和光合性能揭示了纳米级零价铁作为肥料的局限性
IF 7.7 Pub Date : 2025-11-01 Epub Date: 2025-11-15 DOI: 10.1016/j.plana.2025.100221
Christian Büser , Jens Hartung , Lukas Deuring , Simone Graeff-Hönninger
Iron (Fe) is the fourth most abundant element in the Earth’s crust but remains the third most limiting nutrient for crop productivity due to its low solubility in most soils. The emergence of nanotechnology has introduced nanoscale zero-valent iron (nZVI) as a potential Fe fertilizer with high surface reactivity and improved bioavailability. However, its comparative efficacy relative to conventional chelated Fe sources remains poorly understood. This study investigated Fe partitioning, photosynthetic efficiency, biomass accumulation, and cannabinoid synthesis in Cannabis sativa L. grown hydroponically under Fe-EDTA, nZVI, or Fe-deficient (-Fe) treatments. Total Fe concentrations were markedly reduced in -Fe plants compared with both Fe-EDTA and nZVI treatments. Despite similar root Fe contents between Fe-EDTA and nZVI, only Fe-EDTA facilitated efficient translocation to shoots, while nZVI-derived Fe predominantly accumulated in roots. Consequently, nZVI-treated plants exhibited intermediate photosynthetic performance and water-use efficiency—lower than Fe-EDTA but significantly higher than -Fe. Although Fe translocation differed substantially, inflorescence biomass and cannabinoid yield were comparable between nZVI and Fe-EDTA treatments, both exceeding those of -Fe plants. These results suggest that yield reductions under Fe deficiency arise not solely from Fe scarcity but also from the metabolic costs of Strategy I Fe acquisition, which are partially circumvented by root Fe availability from nZVI. Overall, Fe-EDTA demonstrated superior nutrient use efficiency, whereas nZVI partially alleviated Fe deficiency and revealed distinctive interactions between nanomaterials and plant Fe physiology. This study advances understanding of nZVI as an alternative Fe source in C. sativa and provides new insights into nanoparticle–plant nutrient dynamics.
铁(Fe)是地壳中含量第四丰富的元素,但由于其在大多数土壤中的溶解度低,它仍然是作物生产力的第三大限制养分。纳米技术的出现使纳米级零价铁(nZVI)成为一种具有高表面反应性和提高生物利用度的潜在铁肥料。然而,其相对于传统螯合铁源的比较功效仍然知之甚少。本研究研究了Fe- edta、nZVI和缺铁(-Fe)处理下水培大麻的铁分配、光合效率、生物量积累和大麻素合成。与Fe- edta和nZVI处理相比,-Fe植株的总铁浓度显著降低。尽管Fe- edta和nZVI的根铁含量相似,但只有Fe- edta有利于向茎部的有效转运,而nZVI衍生的铁主要在根中积累。因此,nzvi处理的植物表现出中等的光合性能和水分利用效率,低于Fe-EDTA,但显著高于-Fe。虽然铁的转运有很大差异,但在nZVI和Fe- edta处理之间,花序生物量和大麻素产量相当,均超过-Fe处理。这些结果表明,缺铁条件下的产量下降不仅源于缺铁,还源于策略I获取铁的代谢成本,而nZVI的根铁可用性部分规避了代谢成本。综上所述,Fe- edta表现出优越的养分利用效率,而nZVI则部分缓解了铁缺乏,并揭示了纳米材料与植物铁生理之间独特的相互作用。该研究促进了对nZVI作为苜蓿铁替代来源的认识,并为纳米颗粒-植物营养动力学提供了新的见解。
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引用次数: 0
Environmental impact of silver nanoparticles and its sustainable mitigation by novel approach of green chemistry 银纳米粒子对环境的影响及其绿色化学新方法的可持续缓解
IF 7.7 Pub Date : 2025-11-01 Epub Date: 2025-10-10 DOI: 10.1016/j.plana.2025.100210
Dipayan Das , Payel Paul
The widespread utility of silver nanoparticles (AgNPs) in consumer products, medical devices, and industrial processes has generated substantial environmental concerns due to their potential toxicity and persistence in ecosystems. AgNPs is released into the environment through manufacturing effluents, wastewater discharges, and improper disposal, leading to their accumulation in aquatic and terrestrial ecosystems. At elevated concentrations, AgNPs exhibit toxicity toward aquatic organisms, disrupt soil microbial communities, alter nutrient cycling, and impact ecosystem structure and function. The potential for bioaccumulation and biomagnification further exacerbates ecological risks, posing threats to environmental and human health. Resolving these challenges requires the design and adoption of sustainable mitigation strategies. In this context, green chemistry offers a promising solution by enabling the eco-friendly synthesis of AgNPs using renewable resources, benign solvents, and mild reaction conditions. Unlike conventional synthesis routes that rely on toxic reagents and generate hazardous byproducts, green approaches reduce the environmental footprint of AgNP production while maintaining functional efficacy. This review highlights the environmental impact of AgNPs and advocates for a paradigm shift toward green chemistry-based synthesis and management practices. By integrating sustainability into nanoparticle design and application, it is possible to mitigate ecological risks, support regulatory frameworks, and ensure the responsible use of nanotechnology for a safer and more sustainable future.
银纳米粒子(AgNPs)在消费品、医疗设备和工业过程中的广泛应用,由于其潜在的毒性和在生态系统中的持久性,已经产生了大量的环境问题。AgNPs通过生产废水、废水排放和处置不当释放到环境中,导致其在水生和陆地生态系统中积累。浓度升高时,AgNPs对水生生物具有毒性,破坏土壤微生物群落,改变养分循环,影响生态系统结构和功能。生物积累和生物放大的可能性进一步加剧了生态风险,对环境和人类健康构成威胁。解决这些挑战需要设计和采用可持续的缓解战略。在这种情况下,绿色化学提供了一个很有前途的解决方案,即利用可再生资源、良性溶剂和温和的反应条件,实现AgNPs的生态合成。与依赖有毒试剂和产生有害副产品的传统合成路线不同,绿色方法在保持功能功效的同时减少了AgNP生产的环境足迹。这篇综述强调了AgNPs的环境影响,并倡导向基于绿色化学的合成和管理实践的范式转变。通过将可持续性整合到纳米粒子的设计和应用中,有可能减轻生态风险,支持监管框架,并确保负责任地使用纳米技术,以实现更安全和更可持续的未来。
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引用次数: 0
Nanoscale innovations in agri-food systems: A multisectoral paradigm for eradicating global food scarcity 农业粮食系统中的纳米级创新:消除全球粮食短缺的多部门范例
IF 7.7 Pub Date : 2025-11-01 Epub Date: 2025-10-10 DOI: 10.1016/j.plana.2025.100208
Md. Saiful Islam, Sams Uddin Sams, Sadit Bihongo Malitha, Md. Zahangir Alam
Global food scarcity is one of the critical issues of the present time. Humans rely on four primary sources for food consumption: agriculture, aquaculture, poultry, and livestock. Nanotechnology, owing to its unique advantages, has brought about a breakthrough in the mentioned sources to address food security issues. In this study, the application of nanotechnology in agriculture, aquaculture, poultry, and livestock has been elaborately discussed. In agriculture, nanofertilizers, nanopesticides, and nanopriming have contributed significantly to improving crop production. Likewise, practices in aquaculture have been greatly eased by the introduction of nano-enhanced feed, nanovaccines, and nanofiltration. In poultry, essential aspects such as supplementing appropriate nutrients in specific quantities and disease prevention have become more manageable thanks to nanotechnology. In a similar manner, nanotechnology has led to colossal improvements in disease prevention, animal reproduction, and drug delivery in livestock. However, despite all these prospects, some challenges remain for the implementation of nanotechnology in the food production sector. The regulatory frameworks for the implementation of nanotechnology remain underdeveloped, consumer acceptance is a significant issue, and the environmental fate and ecotoxicity of nanotechnology remain uncertain. This comprehensive review article aims to provide in-depth insights into the current status, challenges, and prospects of nanotechnology in primary food sources, with the ultimate goal of addressing worldwide food scarcity.
全球粮食短缺是当前的关键问题之一。人类主要依靠四种食物消费来源:农业、水产养殖、家禽和牲畜。纳米技术以其独特的优势,为解决粮食安全问题带来了上述来源的突破。在本研究中,纳米技术在农业、水产养殖、家禽和牲畜中的应用进行了详细的讨论。在农业方面,纳米肥料、纳米农药和纳米喷雾剂对提高作物产量做出了重大贡献。同样,通过引入纳米强化饲料、纳米疫苗和纳滤,水产养殖的做法也大大简化了。在家禽中,由于纳米技术,补充特定数量的适当营养素和疾病预防等基本方面变得更加易于管理。以类似的方式,纳米技术在疾病预防、动物繁殖和牲畜给药方面取得了巨大进步。然而,尽管有这些前景,在食品生产部门实施纳米技术仍然存在一些挑战。纳米技术实施的监管框架仍然不发达,消费者接受度是一个重大问题,纳米技术的环境命运和生态毒性仍然不确定。本文旨在深入了解纳米技术在主要食物来源中的现状、挑战和前景,最终目标是解决全球粮食短缺问题。
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引用次数: 0
Eco-friendly fabrication of magnesium oxide nanoparticles from Clitoria ternatea and their influence on plant growth parameters of Vigna mungo, soil nutrient dynamics and computational analysis 阴蒂氧化镁纳米颗粒的环保制备及其对芒格植物生长参数、土壤养分动态的影响及计算分析
IF 7.7 Pub Date : 2025-11-01 Epub Date: 2025-09-26 DOI: 10.1016/j.plana.2025.100200
M. Lavanya, S. Karthick Raja Namasivayam
Metal oxide-based nanoparticles, such as magnesium oxide (MgO), are highly efficient and biocompatible, with applications in biomedical fields like drug delivery. However, their ecological safety and biosafety need to be assessed for responsible use and disposal, considering various environmental factors. This study investigates the phytotoxicity of magnesium oxide nanoparticles synthesised using butterfly pea flower (Clitoria ternatea) extract through a modified co-precipitation method. The synthesis was confirmed by UV–visible spectroscopy with a distinct absorbance peak at 340 nm. Morphological analysis through scanning electron microscopy (SEM) revealed agglomerated, porous nanoparticles, while X-ray diffraction (XRD) confirmed their crystalline nature with an average size of 33.56 nm. Fourier transform infrared spectroscopy (FTIR) revealed characteristic MgO bonding and hydroxyl group presence, indicating the nanoparticles’ high chemical reactivity. Ecotoxicity assessments by phytotoxicity studies demonstrated no distinct effects on Vigna mungo seedlings' physiology. Moreover, MgO NPs positively influenced soil health by increasing the concentration of essential nutrients (N, P, K) without altering pH or electrical conductivity. Rhizosphere microflora analysis showed increased bacterial colony formation, improving soil microbial activity. Endophytic microflora in plant tissues also exhibited higher bacterial colony growth. These findings confirm that the fabricated nanoparticles are biocompatible and environmentally safe, making them a promising material for diverse applications with minimal ecological impact. This study employs CB-Dock molecular docking to evaluate MgO interactions with plant growth-related proteins (7JRG, 7JRO, 2CV6). Favourable interaction and cavity detection scores suggest potential surface-level interactions. These results highlight MgO’s capacity to modulate protein function and support plant development.
基于金属氧化物的纳米颗粒,如氧化镁(MgO),具有高效率和生物相容性,在药物输送等生物医学领域具有广泛的应用。然而,在考虑各种环境因素的情况下,需要对其生态安全和生物安全性进行评估,以便负责任地使用和处置。本研究采用改进的共沉淀法,研究了以蝴蝶豌豆花提取物为原料合成的氧化镁纳米颗粒的植物毒性。在340 nm处有明显的吸光度峰。扫描电镜(SEM)形貌分析显示其为球状多孔纳米颗粒,x射线衍射(XRD)证实其结晶性质,平均尺寸为33.56 nm。傅里叶变换红外光谱(FTIR)显示纳米颗粒具有典型的MgO键和羟基,表明纳米颗粒具有较高的化学反应活性。植物毒性研究的生态毒性评估表明,对芒戈幼苗的生理没有明显的影响。此外,MgO NPs通过增加必需养分(N、P、K)的浓度而不改变pH值或电导率,对土壤健康产生积极影响。根际微生物区系分析表明,菌落形成增加,土壤微生物活性提高。植物组织内生菌群也表现出较高的菌落生长。这些发现证实,制备的纳米颗粒具有生物相容性和环境安全性,使其成为一种有前景的材料,用于各种应用,同时对生态影响最小。本研究采用CB-Dock分子对接的方法评价MgO与植物生长相关蛋白(7JRG, 7JRO, 2CV6)的相互作用。有利的相互作用和空腔检测分数表明潜在的表面相互作用。这些结果强调了MgO调节蛋白质功能和支持植物发育的能力。
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Plant Nano Biology
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