Emulsions containing essential oils, their components or volatile semiochemicals as promising tools for insect pest and pathogen management

Lucı́a, Alejandro; Guzmán, Eduardo

doi:10.1016/j.cis.2020.102330

Cited by 82 publications

(52 citation statements)

References 184 publications

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“…However, these capsules appear more stable than bare emulsions due to a combination of the thickness, electrical charge, and packing density of the deposited layers [25]. This can broaden the application range of LbL polyelectrolyte capsule in cosmetics, food science, or medicine [202,[275][276][277][278][279][280][281][282].…”

Section: Lbl Multilayers On Emulsion Dropletsmentioning

confidence: 99%

Polyelectrolyte Multilayers on Soft Colloidal Nanosurfaces: A New Life for the Layer-By-Layer Method

et al. 2021

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The Layer-by-Layer (LbL) method is a well-established method for the assembly of nanomaterials with controlled structure and functionality through the alternate deposition onto a template of two mutual interacting molecules, e.g., polyelectrolytes bearing opposite charge. The current development of this methodology has allowed the fabrication of a broad range of systems by assembling different types of molecules onto substrates with different chemical nature, size, or shape, resulting in numerous applications for LbL systems. In particular, the use of soft colloidal nanosurfaces, including nanogels, vesicles, liposomes, micelles, and emulsion droplets as a template for the assembly of LbL materials has undergone a significant growth in recent years due to their potential impact on the design of platforms for the encapsulation and controlled release of active molecules. This review proposes an analysis of some of the current trends on the fabrication of LbL materials using soft colloidal nanosurfaces, including liposomes, emulsion droplets, or even cells, as templates. Furthermore, some fundamental aspects related to deposition methodologies commonly used for fabricating LbL materials on colloidal templates together with the most fundamental physicochemical aspects involved in the assembly of LbL materials will also be discussed.

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Section: Lbl Multilayers On Emulsion Dropletsmentioning

confidence: 99%

Polyelectrolyte Multilayers on Soft Colloidal Nanosurfaces: A New Life for the Layer-By-Layer Method

et al. 2021

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“…Meanwhile, encapsulation protects active molecules from degradation without a negative effect on their activities. [137] However, they are posed with certain challenges such as large surfactant amounts, poor pesticide activity, preparation instability, and being liability to disintegration under different conditions, [133] hence the need for nanomicelles. Figure 13 depicted schematic structure of a micelle.…”

Section: Microemulsion and Nanomicellesmentioning

confidence: 99%

Nanomaterials as Nanofertilizers and Nanopesticides: An Overview

Okey-Onyesolu

Hassanisaadi²,

Bilal

et al. 2021

ChemistrySelect

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Nanotechnology has acquired increasing interest recently in agriculture and crop production for achieving proficient utilization of resources by developing nanodelivery systems for agrochemical products or sensors (for nutrient status or water). The development of new nanofertilizers provides a promising opportunity to improve plant mineral nutrition. According to the reports, nanostructured materials are more efficient than traditional fertilizers, with a site-specific and controlled release of nutrients that not only increased the efficacy of plant uptake but also reduced negative environmental effects due to the loss of nutrients into the environmental matrices. In this section, we illustrate various kinds of novel nanostructured materials as promising carriers for nutrients such as nanoclays, carbon nanodots, carbon nanotubes, and nanofibers, hydroxyapatite nanoparticles, carbon-based nanomaterials, and polymeric nanoparticles. Also, the impact of nanomaterials on pesticides is discussed. They play a great contribution to enhancing agricultural productivity involving for gradual release and proper pesticide dosage to aid pest control. Different nanomaterials used are discussed contributing to the reduction of the exposure of humans to pesticides.

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“…Moreover, they are easily degraded by oxidation, heating, or exposure to light, which poses a problem when applying them [ 5 ]. To overcome this problem, different alternative formulations are being developed that stabilize the product to increase the duration of its effect, reduce its volatilization, simplify its handling, and slow down its degradation in the environment, such as oil-in-water nano/microemulsions or polymeric micelles [ 6 , 7 , 8 , 9 , 10 , 11 ].…”

Section: Introductionmentioning

confidence: 99%

Evaluating the Antifungal Potential of Botanical Compounds to Control Botryotinia fuckeliana and Rhizoctonia solani

et al. 2021

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The European Union is promoting regulatory changes to ban fungicides because of the impact their use has on the ecosystem and the adverse effects they can pose for humans. An ecofriendly alternative to these chemicals to fight against fungal species with low toxicity is essential oils and their compounds extracted from aromatic plants. The purpose of this study was to evaluate the in vitro antifungal capacity of the botanical compounds eugenol, carvacrol, thymol, and cinnamaldehyde, and the synergy or antagonism of their mixtures, against Botryotinia fuckeliana and Rhizoctonia solani. Different bioassays were performed at doses of 300, 200, 150, and 100 µg/mL using pure commercial compounds and their combination in potato dextrose agar culture medium. Growth rate and the mycelium growth inhibition parameters were calculated. Phenolic compounds and their combination inhibited the development of species at the different concentrations, with fungicidal or fungistatic activity shown under almost all the tested conditions. When comparing the growth rates of the species in the control plates and treatments, the statistical analysis showed that there were statistically significant differences. The mixture of compounds improved fungicidal activity against the studied species and at a lower concentration of monoterpenes.

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Emulsions containing essential oils, their components or volatile semiochemicals as promising tools for insect pest and pathogen management

Cited by 82 publications

References 184 publications

Polyelectrolyte Multilayers on Soft Colloidal Nanosurfaces: A New Life for the Layer-By-Layer Method

Polyelectrolyte Multilayers on Soft Colloidal Nanosurfaces: A New Life for the Layer-By-Layer Method

Nanomaterials as Nanofertilizers and Nanopesticides: An Overview

Evaluating the Antifungal Potential of Botanical Compounds to Control Botryotinia fuckeliana and Rhizoctonia solani

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