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

и другие.

Molecules, Год журнала: 2024, Номер 29(24), С. 6008 - 6008

Опубликована: Дек. 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.

Язык: 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, Год журнала: 2024, Номер 14(1)

Опубликована: Ноя. 8, 2024

Despite the widespread use of titanium dioxide (TiO

Язык: Английский

Процитировано

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

и другие.

Journal of Stored Products Research, Год журнала: 2025, Номер 112, С. 102622 - 102622

Опубликована: Март 11, 2025

Язык: Английский

Процитировано

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

и другие.

Insects, Год журнала: 2025, Номер 16(3), С. 299 - 299

Опубликована: Март 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

Язык: Английский

Процитировано

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

и другие.

Multiscale and Multidisciplinary Modeling Experiments and Design, Год журнала: 2025, Номер 8(5)

Опубликована: Апрель 10, 2025

Язык: Английский

Процитировано

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, Год журнала: 2024, Номер unknown

Опубликована: Дек. 21, 2024

Язык: Английский

Процитировано

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

и другие.

Crop Protection, Год журнала: 2024, Номер unknown, С. 106969 - 106969

Опубликована: Окт. 1, 2024

Язык: Английский

Процитировано

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

и другие.

Scientific Reports, Год журнала: 2024, Номер 14(1)

Опубликована: Окт. 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.

Язык: Английский

Процитировано

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

и другие.

Molecules, Год журнала: 2024, Номер 29(24), С. 6008 - 6008

Опубликована: Дек. 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.

Язык: Английский

Процитировано

0