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Carbon nanotubes stabilized in chitosan sponge (CNT-CS) as a new alternative clean-up sorbent for pesticide multiresidue determination in eggplants using QuEChERS and UHPLC-MS/MS.
Anal Bioanal Chem
January 2025
Laboratory of Pesticide Residues Analysis (LARP), Chemistry Department, Federal University of Santa Maria (UFSM), Santa Maria, RS, 97105-900, Brazil.
The continuous development and application of pesticides in agriculture require robust multiresidue detection methods to guarantee food safety. This study introduces a novel method for multiresidue determination of pesticides in eggplants using the QuEChERS procedure, incorporating a clean-up step using carbon nanotubes stabilized in chitosan sponge (CNT-CS) and ultra-high performance liquid chromatography with tandem mass spectrometry (UHPLC-MS/MS) for analysis. Upon identifying the optimal extraction conditions, various sorbents were assessed for their efficacy in the dispersive solid-phase extraction (d-SPE).
View Article and Find Full Text PDFDevelopment and Characterization of Biodegradable, Binderless Fiberboards from Eggplant Straw Fibers.
Materials (Basel)
December 2024
International Joint Research Center on High-Value Utilization of Agricultural Waste Biomass Between Jiangsu University, China, and Mie University, Japan, Zhenjiang 212013, China.
Currently, wood-based panels are mainly made from wood and adhesives containing formaldehyde. With the growing demand for raw materials and increasing concern for human health, the use of residues from annual crops to manufacture binder-free biodegradable biomass boards has attracted increasing interest. The aim of this study was to develop a biodegradable bio-board without any adhesives using eggplant straw fibers.
View Article and Find Full Text PDFCovalent organic frameworks hybridized polymeric high internal phase emulsions with amphiphilicity for extraction of trace bisamide insecticides in food samples.
Mikrochim Acta
December 2024
Guangxi Colleges and Universities Key Laboratory of Food Safety and Detection, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, 541004, Guangxi, China.
Polymeric high internal phase emulsions decorated with covalent organic frameworks (polyHIPEs-COFs) were synthesized and used as the sorbent for cyantraniliprole and chlorantraniliprole. Pickering high internal phase emulsions stabilized by covalent organic frameworks solid particles and liquid surfactants (Span80 and polyvinylpyrrolidone) endow the composites with open-cell structures and superwettability. The amphiphilicity and open-cell structures enable rapid adsorption and desorption for cyantraniliprole and chlorantraniliprole, and the solid-phase extraction process can be completed in 5 min.
View Article and Find Full Text PDFA novel tank-mix formulation increases the efficacy of alphabaculoviruses on different phylloplanes.
J Econ Entomol
December 2024
Molecular Entomology (MOLEN) Laboratory, Department of Plant Protection, Faculty of Agriculture, Ankara University, Ankara, Türkiye.
Spodoptera littoralis Boisduval (Lepidoptera: Noctuidae) and Spodoptera exigua Hübner (Lepidoptera: Noctuidae) pose substantial threats to many crops, necessitating the exploration of biopesticides as potential chemical alternatives. One alternative is baculoviruses; however, their instability in the field has hindered their widespread use. Host plant phylloplane affects baculovirus activity at varying levels in different host plants.
View Article and Find Full Text PDFInsights into cellular crosstalk regulating cytoplasmic male sterility and fertility restoration.
Mol Biol Rep
August 2024
Department of Vegetable Science, Punjab Agricultural University, Ludhiana, 141004, India.
Cytoplasmic male sterility has been a popular genetic tool in development of hybrids. The molecular mechanism behind maternal sterility varies from crop to crop. An understanding of underlying mechanism can help in development of new functional CMS gene in crops which lack effective and stable CMS systems.
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