Results 61 to 70 of about 3,017 (175)

Pesticide contamination interception strategy and removal efficiency in forest buffer and artificial wetland in a tile-drained agricultural watershed [PDF]

open access: yes, 2013
Yves couqet : present adress : UMR7327 on sept. 2012International audiencePesticide pollution is a major threat to aquatic ecosystems that can be mitigated through complementary actions including buffer zones (BZs).
Chaumont, Cédric   +4 more
core   +2 more sources

Mass spectrometric analysis of epimeric 3α/3β functionalized steroids. [PDF]

open access: yes, 2007
Tandem mass spectrometry (MS/MS) using an atmospheric pressure chemical ionization (APCI) source in positive mode (+) reveals different intensity ratios of two fragment peaks of the epimeric cholestane derivatives synthesized from 3{460}- or 3β ...
Almeida, Paulo   +5 more
core   +1 more source

Enantioselective Desymmetrization by Chiral Bifunctional H‐Bonding Organocatalysts

open access: yesChemistry – A European Journal, Volume 31, Issue 61, November 3, 2025.
Enantioselective desymmetrization has emerged as a highly efficient and conceptually elegant strategy for the construction of chiral molecules from readily available prochiral substrates. This review focuses on recent developments in organocatalytic desymmetrization reactions, with particular emphasis on approaches involving bifunctional activation ...
Michal Urban, Jan Veselý
wiley   +1 more source

Controlled Radical Polymerization Mediated by Amine-Bis(phenolate) Iron(III) Complexes [PDF]

open access: yes, 2012
Tetradentate aminebis(phenolate) iron(III) halide complexes containing chloro substituents on the aromatic ring are extremely efficient catalysts for controlled radical polymerization.
Allan, Laura E. N.   +4 more
core   +1 more source

Evaluation of Herbicides for Suppression of Rhizome Growth from Johnsongrass (Sorghum halepense L.) in Corn and Soybeans [PDF]

open access: yes, 1977
Johnsongrass (Sorghum halepense L.) presents a serious problem in the production of corn and soybeans in Kentucky. Various rates of the thiocarbamates, dinitroanilines, carbamates, amides, ureas, and triazines were used in association with the crops corn
Oakes, John
core   +1 more source

HSP90 and pCREB alterations are linked to mancozeb-dependent behavioral and neurodegenerative effects in a marine teleost [PDF]

open access: yes, 2017
The pesticide mancozeb (mz) is recognized as a potent inducer of oxidative stress due to its ability to catalyze the production of reactive oxygen species plus inhibiting mitochondrial respiration thus becoming an environmental risk for neurodegenerative
Canonaco, Marcello   +6 more
core   +1 more source

Protocol for the evaluation of data concerning the necessity of the application of herbicide active substances to control a serious danger to plant health which cannot be contained by other available means, including non-chemical methods [PDF]

open access: yes, 2016
Following a request of the European Commission (EC), the European Food Safety Authority (EFSA) initiated a procedure for the evaluation of data concerning the necessity of the application of herbicide active substances to control a serious danger to ...
, Dehnen-Schmutz, Katharina
core   +1 more source

Special Topic: Chesapeake Bay Management -- Welfare Implications of Restricted Triazine Herbicide Use in the Chesapeake Bay Region [PDF]

open access: yes
The United States Environmental Protection Agency has responsibility under the Federal Insecticide, Fungicide, and Rodenticide Act (FIERA) to formulate pesticide policies on the basis of risk-benefit analyses.
Gianessi, Leonard P.   +4 more
core   +1 more source

Antifungal and Antimycotoxigenic Potency of Solanum torvum Swartz. Leaf Extract: Isolation and Identification of Compound Active against Mycotoxigenic Strains of Aspergillus flavus and Fusarium verticillioides [PDF]

open access: yes, 2015
Aims The main objective of this study was to investigate the antifungal effect of Solanum torvum leaves against different field and storage fungi, and to identify its active compound.
Abhishek, R.U.   +3 more
core   +1 more source

Désherbage chimique de Stylosanthes guyanensis porte-graines. Bilan des recherches 1972-1975 [PDF]

open access: yes, 1978
Le désherbage chimique des Stylosanthes guyanensis porte-graines est un problème important pour l'installation et l'obtention dès la première année d'une récolte abondante et propre.
Messager, Jean-Louis   +2 more
core  

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