Metal–Organic Frameworks in Agriculture

Rodríguez-Diéguez, Antonio; Horcajada, Patricia

doi:10.1021/acsami.2c00615

Cited by 95 publications

(64 citation statements)

References 212 publications

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“…Concurrently, the applications of MOFs in agriculture are still in their infancy. 1 However, porphyrin-based MOFs occupy a special place in this field. Their use includes detection and elimination of pesticides and related toxins, detection and elimination of toxic metals, controlled delivery of agrochemicals, microbial photodynamic therapy, toxicity assessment and food safety.…”

Section: Discussionmentioning

confidence: 99%

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Metal-porphyrinic framework nanotechnologies in modern agricultural management

2022

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Section: Discussionmentioning

confidence: 99%

“…In addition, pesticides are also harmful to the environment and represent a serious threat to human health, so both their efficient delivery to plants, detection and removal from both soil and water are other actions that need to be rigorously performed. 1…”

Section: Introductionmentioning

confidence: 99%

Metal-porphyrinic framework nanotechnologies in modern agricultural management

2022

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“…17 Recently, metal−organic frameworks (MOFs) have emerged as innovative and promising materials for the pesticide delivery. 18 MOFs are regarded as a unique class of porous coordination polymers, comprising inorganic nodes (e.g., atoms, clusters, chains) and organic polydentate linkers (e.g., carboxylates, azolates) that assemble into multidimensional porous periodic lattices. 19 In particular, certain MOFs have proven several features that make them excellent candidates for environmental applications such as (i) large pore surfaces and volumes associated with high sorption capacities; 20 (ii) active sites, where adsorbates can be anchored; (iii) easily functionalizable cavities, where specific host−guest interactions may take place;…”

Section: Introductionmentioning

confidence: 99%

“…, polymers, lipids, nanoemulsions), but there are also examples of “hard” or rigid structure nanomaterials such as silica, − clays, TiO 2 , carbon nanotubes, or graphene oxides . Recently, metal–organic frameworks (MOFs) have emerged as innovative and promising materials for the pesticide delivery . MOFs are regarded as a unique class of porous coordination polymers, comprising inorganic nodes ( e.g.…”

Section: Introductionmentioning

confidence: 99%

Copper Glufosinate-Based Metal–Organic Framework as a Novel Multifunctional Agrochemical

Sierra-Serrano

García-García

Hidalgo

et al. 2022

ACS Appl. Mater. Interfaces

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Pesticides are agrochemical compounds used to kill pests (insects, rodents, fungi, or unwanted plants), which are key to meet the world food demand. Regrettably, some important issues associated with their widespread/extensive use (contamination, bioaccumulation, and development of pest resistances) demand a reduction in the amount of pesticide applied in crop protection. Among the novel technologies used to combat the deterioration of our environment, metal–organic frameworks (MOFs) have emerged as innovative and promising materials in agroindustry since they possess several features (high porosity, functionalizable cavities, ecofriendly composition, etc.) that make them excellent candidates for the controlled release of pesticides. Moving toward a sustainable development, in this work, we originally describe the use of pesticides as building blocks for the MOF construction, leading to a new type of agricultural applied MOFs (or AgroMOFs). Particularly, we have prepared a novel 2D-MOF (namely, GR-MOF-7) based on the herbicide glufosinate and the widely used antibacterial and fungicide Cu2+. GR-MOF-7 crystallizes attaining a monoclinic P21/c space group, and the asymmetric unit is composed of one independent Cu2+ ion and one molecule of the Glu2– ligand. Considering the significant antibacterial activity of Cu-based compounds in agriculture, the potential combined bactericidal and herbicidal effect of GR-MOF-7 was investigated. GR-MOF-7 shows an important antibacterial activity against Staphylococcus aureus and Escherichia coli (involved in agricultural animal infections), improving the results obtained with its individual or even physical mixed precursors [glufosinate and Cu(NO3)2]. It is also an effective pesticide against germination and plant growth of the weed Raphanus sativus, an invasive species in berries and vines crops, demonstrating that the construction of MOFs based on herbicide and antibacterial/antifungal units is a promising strategy to achieve multifunctional agrochemicals. To the best of our knowledge, this first report on the synthesis of an MOF based on agrochemicals (what we have named AgroMOF) opens new ways on the safe and efficient MOF application in agriculture.

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“…Among pesticides, the association of herbicides with nanoformulations has been widely explored in recent years [ 6 , 13 , 15 , 16 ]. One of the motivations for nanoherbicide research is the worldwide application on a large scale (40% of the 40 million tons of pesticides per year) in relation to other pesticides [ 17 ]. The use of nanoformulations of pre-emergent herbicides, as a recovery strategy against glyphosate-tolerant and resistant plants in the field [ 18 , 19 ], is an emerging trend.…”

Section: Introductionmentioning

confidence: 99%

Availability of Metribuzin-Loaded Polymeric Nanoparticles in Different Soil Systems: An Important Study on the Development of Safe Nanoherbicides

Takeshita

Munhoz-Garcia

Pinácio

et al. 2022

Plants

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Nanoformulations have been used to improve the delivery of fertilizers, pesticides, and growth regulators, with a focus on more sustainable agriculture. Nanoherbicide research has focused on efficiency gains through targeted delivery and environmental risk reduction. However, research on the behavior and safety of the application of these formulations in cropping systems is still limited. Organic matter contained in cropping systems can change the dynamics of herbicide–soil interactions in the presence of nanoformulations. The aim of this study was to use classical protocols from regulatory studies to understand the retention and mobility dynamics of a metribuzin nanoformulation, compared to a conventional formulation. We used different soil systems and soil with added fresh organic material. The batch method was used for sorption–desorption studies and soil thin layer chromatography for mobility studies, both by radiometric techniques. Sorption parameters for both formulations showed that retention is a reversible process in all soil systems (H~1.0). In deep soil with added fresh organic material, nanoformulation was more sorbed (14.61 ± 1.41%) than commercial formulation (9.72 ± 1.81%) (p < 0.05). However, even with the presence of straw as a physical barrier, metribuzin in nano and conventional formulations was mobile in the soil, indicating that the straw can act as a barrier to reduce herbicide mobility but is not impeditive to herbicide availability in the soil. Our results suggest that environmental safety depends on organic material maintenance in the soil system. The availability can be essential for weed control, associated with nanoformulation efficiency, in relation to the conventional formulation.

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Metal–Organic Frameworks in Agriculture

Cited by 95 publications

References 212 publications

Metal-porphyrinic framework nanotechnologies in modern agricultural management

Metal-porphyrinic framework nanotechnologies in modern agricultural management

Copper Glufosinate-Based Metal–Organic Framework as a Novel Multifunctional Agrochemical

Availability of Metribuzin-Loaded Polymeric Nanoparticles in Different Soil Systems: An Important Study on the Development of Safe Nanoherbicides

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