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Spatiotemporal Visualization of Insecticides and Fungicides within Fruits and Vegetables Using Gold Nanoparticle-Immerse...

Published in Nanomaterials (Basel, Switzerland)

Food safety issues caused by pesticide residue have exerted far-reaching impacts on human daily life, yet the available detection methods normally focus on surface residue rather than pesticide penetration to the internal area of foods. Herein, we demonstrated gold nanoparticle (AuNP)-immersed paper imprinting mass spectrometry imaging (MSI) for mo...

A comparison of pesticide residues in soils from two highly technified agricultural valleys in northwestern Mexico.

Published in Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes

A pesticide characterization is presented for two highly technified valleys in northwest Mexico: Culiacan Valley (CV) in Sinaloa and Yaqui Valley (YV) in Sonora. Approximately 250,000 kg of active ingredients are used every year, half of which are considered highly hazardous pesticides. Legacy pesticides are still present in the soils of these vall...

Silica-coated calcium pectinate formulations for controlling carbendazim release: water and soil release studies.

Published in Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes

This study aims to encapsulate the fungicide carbendazim using a biodegradable polymer (pectin). First, we have obtained calcium pectinate beads (CPG-Carb) by ionotropic gelation using calcium ions as a crosslinking agent. These beads were then coated with silica starting from tetraethoxysilane (TEOS), by a sol-gel process to form hybrid beads (CPG...

Responsabilités (Chronique)

Cette chronique de responsabilité aborde successivement l'indemnisation des victimes d'implants mammaires dits "PIP", la conformité au droit de l'Union européenne de la clause de territorialité de la police d'assurance du producteur, la question du caractère non-obligatoire de la vaccination contre le coronavirus responsable de la COVID-19, les pré...

An Experimental Approach to Study the Effects of Realistic Environmental Mixture of Linuron and Propamocarb on Zebrafish...

Published in International journal of environmental research and public health

The reasons behind the extensive use of pesticides include the need to destroy vector organisms and promote agricultural production in order to sustain population growth. Exposure to pesticides is principally occupational, even if their persistence in soil, surface water and food brings the risk closer to the general population, hence the demand fo...

Néonicotinoïdes : 120 jours de plus pour semer !

Le 15 mars 2021, le Conseil d’État a refusé de suspendre l’arrêté du 5 février 2021 autorisant l’utilisation dérogatoire de semences de betteraves enrobées de néonicotinoïdes. Le contrôle a priori opéré par le Conseil constitutionnel sur la loi exclut toute atteinte aux principes de protection de l’environnement garantis par la Constitution. Les cr...

Toxicant effects on mammalian oocyte mitochondria†.

Published in Biology of reproduction

Oocyte mitochondria are unique organelles that establish a founder population in primordial germ cells (PGCs). As the oocyte matures in the postnatal mammalian ovary during folliculogenesis it increases exponentially in volume, and the oocyte mitochondria population proliferates to about 100 000 mitochondria per healthy, mature murine oocyte. The h...