Oxorhenium(V) complexes with a benzyldithiocarbazate ligand: synthesis, crystal structure, spectroscopic and DFT analyses

Fernandes, André Gustavo de Araújo; Viana, Rommel B.; Moreno-Fuquen, Rodolfo; Gatto, Claudia C.; Lang, Ernesto Schulz; Modolo, Marcel Zicolau; Silva, Amandha K.; Lemos, Sebastião S.; Hagenbach, Adelheid; Abram, Ulrich; Deflon, Victor M.

doi:10.1016/j.molstruc.2021.131875

Journal of Molecular Structure

2022

DOI: 10.1016/j.molstruc.2021.131875

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Oxorhenium(V) complexes with a benzyldithiocarbazate ligand: synthesis, crystal structure, spectroscopic and DFT analyses

André Gustavo de Araújo Fernandes

Rommel B. Viana

Rodolfo Moreno-Fuquen

et al.

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2024

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Spherical Assembly of Halloysite Clay Nanotubes as a General Reservoir of Hydrophobic Pesticides for pH‐Responsive Management of Pests and Weeds

Teng,

Chen,

et al. 2024

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The development of smart systems for pesticidal delivery presents a significant advancement in enhancing the utilization efficiency of pesticides and mitigating environmental risks. Here an acid‐responsive pesticidal delivery system using microspheres formed by the self‐assembly of halloysite clay nanotubes (HNTs) is proposed. Insecticide avermectin (AVM) and herbicide prometryn (PMT) are used as two models of hydrophobic pesticide and encapsulated within the porous microspheres, followed by a coating of tannic acid/iron (TA/FeIII) complex films to generate two controlled‐release pesticides, named as HCEAT and HCEPT, resulting in the loading capacity of AVM and PMT being 113.3 and 120.3 mg g−1, respectively. Both HCEAT and HCEPT exhibit responsiveness to weak acid, achieving 24 h‐release ratios of 85.8% and 80.5% at a pH of 5.5. The experiment and simulation results indicate that the coordination interaction between EDTA2− and Ca2+ facilitates the spherical aggregation of HNTs. Furthermore, these novel pesticide formulations demonstrate better resistance against ultraviolet (UV) irradiation, higher foliar affinity, and less leaching effect, with negligible impact of the carrier material on plants and terrestrial organisms. This work presents a promising approach toward the development of efficient and eco‐friendly pesticide formulations, greatly contributing to the sustainable advancement of agriculture.

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Spherical Assembly of Halloysite Clay Nanotubes as a General Reservoir of Hydrophobic Pesticides for pH‐Responsive Management of Pests and Weeds

Teng,

Chen,

et al. 2024

Small

View full text Add to dashboard Cite

show abstract

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Oxorhenium(V) complexes with a benzyldithiocarbazate ligand: synthesis, crystal structure, spectroscopic and DFT analyses

Cited by 1 publication

References 82 publications

Spherical Assembly of Halloysite Clay Nanotubes as a General Reservoir of Hydrophobic Pesticides for pH‐Responsive Management of Pests and Weeds

Spherical Assembly of Halloysite Clay Nanotubes as a General Reservoir of Hydrophobic Pesticides for pH‐Responsive Management of Pests and Weeds

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