Efficient Encapsulation and Controlled Release of the Pesticide Emamectin Benzoate in Polylactic Acid Microspheres Prepared by Modified Solvent Evaporation DOI Creative Commons
Sheng Xu, Yamin Liu, Yilan Chen

et al.

Molecules, Journal Year: 2024, Volume and Issue: 29(24), P. 6008 - 6008

Published: Dec. 20, 2024

Emamectin benzoate (EB) is a highly effective broad-spectrum insecticide and acaricide. However, because EB easily degraded, the conventional formulations of are often overapplied. In this study, polylactic acid (PLA)-based microspheres were prepared using modified solvent evaporation method for controlled release EB. The optimized to achieve higher loading. effects process parameters on properties microspheres, including encapsulation efficiency (EE), particle size, pesticide loading, investigated. Additionally, behavior was compared with that emulsifiable concentrate (EC). Spherical-shaped obtained an EE reaching 90.63 ± 1.90%, introducing external aqueous phase into system can significantly enhance by over 30%. FTIR, DSC, XRD analyses indicate preparation PLA mainly physical had no chemical effect Notably, displayed more potent control efficacy commercial formulation EC against Plutella xylostella. corrected mortality reached 90.00 5.77% after 21 days application, whereas only 19.23 6.66% 14 application. Our study demonstrates EB-encapsulated have strong potential as environmentally friendly formulations.

Language: Английский

A comparative study for optimizing photocatalytic activity of TiO2-based composites with ZrO2, ZnO, Ta2O5, SnO, Fe2O3, and CuO additives DOI Creative Commons
Ibrahim Abdelfattah,

A. M. El-Shamy

Scientific Reports, Journal Year: 2024, Volume and Issue: 14(1)

Published: Nov. 8, 2024

Despite the widespread use of titanium dioxide (TiO

Language: Английский

Citations

7
Efficacy and characterization of synthesized metal oxide nanoparticles and diatomaceous earth on stored product insect control DOI
Trandil F. Wahba,

Mona N. Wahba,

Mahmoud T. Abo‐Elfadl

et al.

Journal of Stored Products Research, Journal Year: 2025, Volume and Issue: 112, P. 102622 - 102622

Published: March 11, 2025

Language: Английский

Citations

0
GSTD1 Mediates the Tolerance to Abamectin and Beta-Cypermethrin in the Fall Armyworm Spodoptera frugiperda DOI Creative Commons
Qian Ding, Yangyang Liu, Bo Dai

et al.

Insects, Journal Year: 2025, Volume and Issue: 16(3), P. 299 - 299

Published: March 12, 2025

Glutathione S-transferase (GST) is a class of detoxifying enzymes in the second stage insect metabolism and plays key role insecticide resistance. In this study, based on transcriptome sequences S. frugiperda, full-length cDNA SfGSTD1 was cloned characterized. The temporal spatial expression pattern showed that highly expressed Malpighian tubules, which are excretion organs. Knocking down reduced frugiperd tolerance to abamectin beta-cypermethrin. overexpression enhanced viability Sf9 cell under beta-cypermethrin treatment. Furthermore, overexpressed Drosophila melanogaster using GAL4/UAS binary system, strain also less susceptible enzyme activity recombinant could be significantly inhibited by Taken together, our findings indicate might involved frugiperda. And these results provide theoretical foundations for understanding resistance mechanism frugiperda

Language: Английский

Citations

0
Advances in surface modifications of titanium and its alloys: implications for biomedical and pharmaceutical applications DOI Creative Commons
Gehan T. El‐Bassyouni, Samar M. Mouneir, A. M. El-Shamy

et al.

Multiscale and Multidisciplinary Modeling Experiments and Design, Journal Year: 2025, Volume and Issue: 8(5)

Published: April 10, 2025

Language: Английский

Citations

0
Exploring Talc Deposits: Physical Characteristics, Geological Factors, and Formation in Ultramafic and Mafic Rocks—A Comprehensive Review DOI

Wael Abdelwahab,

A. M. El-Shamy

Chemistry Africa, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 21, 2024

Language: Английский

Citations

1
In vitro and Silico Exploration of the Insecticidal Properties of Lavandula multifida L. Essential Oil and its Binary Combinations with Cyantraniliprole and Emamectin Benzoate on Spodoptera frugiperda (Lepidoptera: Noctuidae) DOI
Moataz A. M. Moustafa,

Nourhan A. El-Said,

Fatma S. Ahmed

et al.

Crop Protection, Journal Year: 2024, Volume and Issue: unknown, P. 106969 - 106969

Published: Oct. 1, 2024

Language: Английский

Citations

0
Mathematical modeling predicts that endemics by generalist insects are eradicated if nearly all plants produce constitutive defense DOI Creative Commons
Suman Chakraborty,

Shalu Dwivedi,

Stefan Schuster

et al.

Scientific Reports, Journal Year: 2024, Volume and Issue: 14(1)

Published: Oct. 28, 2024

Abstract Plants with constitutive defense chemicals exist widely in nature. The phenomenon is backed by abundant data from plant chemical ecology. Sufficient are also available to conclude that defenses act as deterrent and repellent attacking herbivores, particularly deleterious generalist insects. In the wild, species usually not endemic, meaning they restricted certain a region. Therefore, our objective inspect theoretically whether evolution of all eradicate an endemic any species. addressed developing deterministic ordinary differential equations under following conditions: without susceptible oviposition insects, while become defended against generalists storing defenses. From models, we explicitly obtain generalist-free stable state only possible if vast majority individuals have model allows one predict highest percentage undefended individuals, which may be considered free-riders.

Language: Английский

Citations

0
Efficient Encapsulation and Controlled Release of the Pesticide Emamectin Benzoate in Polylactic Acid Microspheres Prepared by Modified Solvent Evaporation DOI Creative Commons
Sheng Xu, Yamin Liu, Yilan Chen

et al.

Molecules, Journal Year: 2024, Volume and Issue: 29(24), P. 6008 - 6008

Published: Dec. 20, 2024

Emamectin benzoate (EB) is a highly effective broad-spectrum insecticide and acaricide. However, because EB easily degraded, the conventional formulations of are often overapplied. In this study, polylactic acid (PLA)-based microspheres were prepared using modified solvent evaporation method for controlled release EB. The optimized to achieve higher loading. effects process parameters on properties microspheres, including encapsulation efficiency (EE), particle size, pesticide loading, investigated. Additionally, behavior was compared with that emulsifiable concentrate (EC). Spherical-shaped obtained an EE reaching 90.63 ± 1.90%, introducing external aqueous phase into system can significantly enhance by over 30%. FTIR, DSC, XRD analyses indicate preparation PLA mainly physical had no chemical effect Notably, displayed more potent control efficacy commercial formulation EC against Plutella xylostella. corrected mortality reached 90.00 5.77% after 21 days application, whereas only 19.23 6.66% 14 application. Our study demonstrates EB-encapsulated have strong potential as environmentally friendly formulations.

Language: Английский

Citations

0