Entomopathogenic Fungi: An Eco-Friendly Synthesis of Sustainable Nanoparticles and Their Nanopesticide Properties

Bihal, Ritu; Al-Khayri, Jameel M; Banu, A. Najitha; Kudesia, Natasha; Ahmed, Farah K.; Sarkar, Rudradeb; Arora, Akshit; Abd-Elsalam, Kamel A.

doi:10.20944/preprints202305.0586.v1

2023

DOI: 10.20944/preprints202305.0586.v1

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Entomopathogenic Fungi: An Eco-Friendly Synthesis of Sustainable Nanoparticles and Their Nanopesticide Properties

Ritu Bihal,

Jameel M Al-Khayri,

A. Najitha Banu

et al.

Abstract: Citation: To be added by editorial staff during production.

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2023

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Cited by 2 publications

References 108 publications

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The Entomopathogenic Fungus Conidiobolus coronatus Has Similar Effects on the Cuticular Free Fatty Acid Profile of Sensitive and Resistant Insects

Boguś,

Kazek,

Drozdowski

et al. 2023

Insects

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The mechanisms underlying the recognition of a susceptible host by a fungus and the role of cuticular compounds (CCs) in this process remain unclear; however, accumulated data suggest that this is influenced to a great degree by cuticular lipids. Two insect species differing in their sensitivity to fungal infection, viz. the highly sensitive Galleria mellonella Linnaeus (Lepidoptera: Pyralidae) and the resistant Calliphora vicina Robineau-Desvoidy (Diptera: Calliphoridae), exhibited significant qualitative and quantitative changes in cuticular free fatty acid (FFA) profiles after exposure to Conidiobolus coronatus (Constantin) Batko (Entomopthorales). Despite being systematically distant, leading different lifestyles in different habitats, both insect species demonstrated similar changes in the same FFAs following exposure to the fungus (C12:0, C13:0, C14:0, C15:0, C16:1, C16:0, C18:1, C18:0), suggesting that these are involved in a contact-induced defense response. As it was not possible to distinguish the share of FFAs present in the conidia that were attached to the cuticle from the FFAs of the cuticle itself in the total number of extracted FFAs, further research is necessary.

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The Entomopathogenic Fungus Conidiobolus coronatus Has Similar Effects on the Cuticular Free Fatty Acid Profile of Sensitive and Resistant Insects

Boguś,

Kazek,

Drozdowski

et al. 2023

Insects

View full text Add to dashboard Cite

show abstract

Impact of Two Lavender Extracts on Silver Nanoparticle Synthesis, and the Study of Nanoparticles’ Antibiofilm Properties and Their Ability to Transfer them into a Nontoxic Polymer

Mačák,

Velgosova,

Dolinská

2023

Micro

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In this work, we aimed to analyze the impact of extracts prepared from dried Lavandula angustifolia (lavender) flowers and leaves on the synthesis of silver nanoparticles (AgNPs) (wherein the shape and size of AgNPs and the efficiency of the process were analyzed) and to prove the possibility of transferring the AgNPs’ properties into a polymer matrix. An ex situ method was used to incorporate AgNPs and prepare polymer matrix composite (PVP-AgNPs) films (via casting) and fibers (via electrospinning). We used UV-vis absorption spectrophotometry, Fourier Transform Infrared Spectroscopy (FTIR), Transmission Electron Microscopy (TEM), and Scanning Electron Microscopy (SEM) to analyze and characterize the AgNPs and prepared composites. The results of FTIR analysis confirmed the presence of phytochemicals that can reduce silver ions from Ag+ to Ag0 in both extracts. The presence of spherical nanoparticles was confirmed via TEM regardless of the type of extract used. However, leaf extract caused the formation of AgNPs with a narrower size interval (an average size of 20 nm), and with higher efficiency, compared to the nanoparticles prepared using the flower extract. The nanoparticles prepared using the leaf extract were then incorporated into the polymer matrix, and thin polymer composite films and fibers were successfully prepared. The anti-biofilm activity of AgNPs colloids and prepared polymer nanocomposites against green algae Chlorella kessleri was studied. The anti-biofilm properties of the AgNPs were proved, along with the efficient transfer of their toxic properties into nontoxic polymer.

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Entomopathogenic Fungi: An Eco-Friendly Synthesis of Sustainable Nanoparticles and Their Nanopesticide Properties

Abstract: Citation: To be added by editorial staff during production.

Cited by 2 publications

References 108 publications

The Entomopathogenic Fungus Conidiobolus coronatus Has Similar Effects on the Cuticular Free Fatty Acid Profile of Sensitive and Resistant Insects

The Entomopathogenic Fungus Conidiobolus coronatus Has Similar Effects on the Cuticular Free Fatty Acid Profile of Sensitive and Resistant Insects

Impact of Two Lavender Extracts on Silver Nanoparticle Synthesis, and the Study of Nanoparticles’ Antibiofilm Properties and Their Ability to Transfer them into a Nontoxic Polymer

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