Nanoformulations and their mode of action in insects: a review of biological interactions

Shahzad, Kiran; Manzoor, Farkhanda

doi:10.1080/01480545.2018.1525393

Cited by 83 publications

(42 citation statements)

References 78 publications

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“…53 Moreover, the NEs increase the affinity between the EO particles and the target organism, and show several advantages, such as solubility and chemical stability. 54 Ecotoxicology Assay. Generally, it is assumed that the ecotoxicity of bioinsecticides is related to the active ingredient mass concentration.…”

Section: ■ Materials and Methodsmentioning

confidence: 99%

Optimization and Characterization of Essential Oil Nanoemulsions Using Ultrasound for New Ecofriendly Insecticides

Jesser

Yeguerman

Gili

et al. 2020

ACS Sustainable Chem. Eng.

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This study developed and evaluated the toxicological effects of new stable nanoemulsions (NEs) of peppermint essential oils (EOs) and palmarosa EO + linalyl acetate (LA) using ultrasound cavitation. Moreover, the study analyzed the effect of LA in the stabilization process of palmarosa NEs. Peppermint NEs had sizes of 34 nm and polydispersity index (PDI) values of 0.424, whereas palmarosa NEs showed sizes of 15 nm and a PDI of 0.078. Peppermint NEs were stable for 30 days and palmarosa NEs for 120 days. The insecticidal effect of NEs was also evaluated against Cx p. pipiens and Plodia interpunctella larvae. In Culex pipiens pipiens, the LC 50 values were 31.24 ppm for peppermint NEs and 32.30 ppm for palmarosa + LA NEs. In P. interpunctella, the NEs were combined with βcypermethrin and the LC 50 values were 0.12 μg larvae −1 for peppermint NEs and 0.23 μg larvae −1 palmarosa + LA NEs. In addition, the NEs showed no toxicity effect in nontarget organisms such as Artemia salina and Tenebrio molitor. Finally, viability on mammalian cell culture models was evaluated and it was also observed that NEs did not affect the cell viability after 3 and 7 days of exposure.

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Section: ■ Materials and Methodsmentioning

confidence: 99%

Optimization and Characterization of Essential Oil Nanoemulsions Using Ultrasound for New Ecofriendly Insecticides

Jesser

Yeguerman

Gili

et al. 2020

ACS Sustainable Chem. Eng.

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show abstract

“…Having this in mind, it is not surprising that many insecticides have been removed from the market. Intensive work is being done to find methods for pest controls that are effective and, at the same time, safe for the environment [ 16 , 17 , 18 , 19 , 20 , 21 ]. Starting from the 1980s, broad-spectrum persistent insecticides used for gypsy moth control have been replaced with technologies based on entomopathogenic viruses, bacteria, and fungi in addition to mating disruption using sex pheromone traps [ 22 , 23 ].…”

Section: Introductionmentioning

confidence: 99%

Potential of Essential Oils from Anise, Dill and Fennel Seeds for the Gypsy Moth Control

Kostić

Lazarević

Jovanović

et al. 2021

Plants

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The gypsy moth (Lymantria dispar L. (Lepidoptera: Erebidae)) is a serious pest of hardwood forests. In the search for an environmentally safe means of its control, we assessed the impact of different concentrations of essential oils (EOs) from the seeds of three Apiaceae plants (anise Pimpinella anisum, dill Anethum graveolens, and fennel Foeniculum vulgare) on behavior, mortality, molting and nutritional physiology of gypsy moth larvae (GML). EOs efficacy was compared with commercial insecticide NeemAzal®-T/S (neem). The main compounds in the Eos were trans-anethole in anise; carvone, limonene, and α-phellandrene in dill; and trans-anethole and fenchone in fennel seed. At 1% EOs concentration, anise and fennel were better antifeedants and all three EOs were more toxic than neem. Neem was superior in delaying 2nd to 3rd larval molting. In the 4th instar, 0.5%, anise and fennel EOs decreased relative consumption rate more than neem, whereas all three EOs were more effective in reducing growth rate, approximate digestibility and efficiency of conversion of food into body mass leading to higher metabolic costs to GML. Decrease in consumption and metabolic parameters compared to control GML confirmed that adverse effects of the EOs stem from both pre- and post-ingestive mechanisms. The results indicate the potential of three EOs to be used for gypsy moth control.

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“…The tendency between antiviral activity and size of the particles was found to be the same as for antibacterial cases: more pronounced activity was observed for composites containing smaller AgNPs, having higher active surface area for interaction with outer membrane of the virions. The authors claim that neat CS does not expose antiviral activity against A/H1N1; on the other hand, studies present in the literature indicate that CS and CS derivatives could be potentially used as antiviral agents against Influenza A [ 132 ], Newcastle virus [ 133 ] and Tobacco Mosaic virus (TMV) [ 134 ]. Unfortunately, the application of metal-based CS composites as potential agent for antiviral therapy is not as widely investigated as naked AgNPs [ 135 , 136 , 137 ].…”

Section: Silver-based Composites With Synergistic Antimicrobial Activity: Organic Parts Of the Composite With Intrinsic Am Actionmentioning

confidence: 99%

Ag-Based Synergistic Antimicrobial Composites. A Critical Review

et al. 2021

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The emerging problem of the antibiotic resistance development and the consequences that the health, food and other sectors face stimulate researchers to find safe and effective alternative methods to fight antimicrobial resistance (AMR) and biofilm formation. One of the most promising and efficient groups of materials known for robust antimicrobial performance is noble metal nanoparticles. Notably, silver nanoparticles (AgNPs) have been already widely investigated and applied as antimicrobial agents. However, it has been proposed to create synergistic composites, because pathogens can find their way to develop resistance against metal nanophases; therefore, it could be important to strengthen and secure their antipathogen potency. These complex materials are comprised of individual components with intrinsic antimicrobial action against a wide range of pathogens. One part consists of inorganic AgNPs, and the other, of active organic molecules with pronounced germicidal effects: both phases complement each other, and the effect might just be the sum of the individual effects, or it can be reinforced by the simultaneous application. Many organic molecules have been proposed as potential candidates and successfully united with inorganic counterparts: polysaccharides, with chitosan being the most used component; phenols and organic acids; and peptides and other agents of animal and synthetic origin. In this review, we overview the available literature and critically discuss the findings, including the mechanisms of action, efficacy and application of the silver-based synergistic antimicrobial composites. Hence, we provide a structured summary of the current state of the research direction and give an opinion on perspectives on the development of hybrid Ag-based nanoantimicrobials (NAMs).

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Nanoformulations and their mode of action in insects: a review of biological interactions

Cited by 83 publications

References 78 publications

Optimization and Characterization of Essential Oil Nanoemulsions Using Ultrasound for New Ecofriendly Insecticides

Optimization and Characterization of Essential Oil Nanoemulsions Using Ultrasound for New Ecofriendly Insecticides

Potential of Essential Oils from Anise, Dill and Fennel Seeds for the Gypsy Moth Control

Ag-Based Synergistic Antimicrobial Composites. A Critical Review

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