Results 91 to 100 of about 1,592,420 (223)

Avaliação dos efeitos tóxicos induzidos por malation e malaoxon e a possível proteção por oximas [PDF]

open access: yes, 2013
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas, Programa de Pós-Graduação em Bioquímica, Florianópolis, 2013O malation é um composto tóxico pertencente à classe dos pesticidas organofosforados (OF) que tem como ...
Santos, Alessandra Antunes dos
core  

Electrocatalytic Urea Waste Valorization via Water Electrolysis: Transition‐Metal Phosphides for Sustainable Hydrogen Production

open access: yesAdvanced Energy Materials, Volume 16, Issue 33, 2 September 2026.
This article provides a comprehensive analysis of transition metal phosphides (TMP) as electrocatalysts for urea‐assisted water electrolysis, highlighting the critical role of phosphorus engineering in modulating electronic structure, optimizing active sites, and enhancing catalytic durability.
Shivalingayya Gaddimath   +8 more
wiley   +1 more source

Stabilisation effects of ferrocenylalkyl groups on hydrides of heavier main group elements [PDF]

open access: yes, 2013
New hydrides of heavier p-block main group elements with a ferrocenylalkyl moiety, Fc(CH₂)nEHm (Fc = (CpFeC₅H₄-); E = P, As, Si, Ge or Se; n = 1, 2, 4, 6 or 11; m = 1, 2 or 3) and FcCH₂P(R)H (R = CH₃, C₆H₁₁ or p-CH₂C₆H₄NO₂), have been synthesised and ...
Asamizu, Toshie
core  

Machine Learning for Synthetic Organic Chemistry: Methods, Applications, and Best Practices

open access: yesAngewandte Chemie Novit, Volume 2, Issue 3, September 2026.
Artificial intelligence (AI) and machine learning (ML) are increasingly reshaping experimental chemistry. This review maps the challenges of synthetic organic chemistry to modern digital tools that can help address them. While focusing on the practical application of ML tools in real‐world laboratory settings, we outline prerequisites, emerging ...
Niklas Hölter   +3 more
wiley   +1 more source

Organophosphorus Compounds and Brain GABAergic System

open access: yesJournal of Mazandaran University of Medical Sciences, 2017
Organophosphorus (OP) compounds are cholinesterase inhibitors widely used as pesticides in agriculture and nerve agents in battlefields. Exposure to these compounds leads to accumulation of acetylcholine at cholinergic synapses and overstimulation of ...
Zohreh Zare, Moslem Mohammadi
doaj  

Thermal Stability of the Guinea Green B Solution With Substrate and Its Application for the Detection of Cholinesterase Inhibitors

open access: yesAnalysis &Sensing, Volume 6, Issue 5, September 2026.
A Guinea Green B/butyrylthiocholine iodide solution offers a simple visual colorimetric approach for detecting cholinesterase inhibitors (neostigmine, VX, and A‐234). The aqueous formulation remains practically functional after 150 days at 60 °C, whereas the phosphate‐buffered variant rapidly degrades.
Lukáš Matějovský   +1 more
wiley   +1 more source

Toxicity prediction of organophosphorus compounds by QSAR

open access: yes, 2019
Organophosphorus compounds are often used as pesticides and they are known as major environmentally hazardous chemicals. Conformational analysis and geometry optimizations of all  organophosphorus compounds were carried out to determine the most ...
Hatipoğlu, Arzu, Aydoğdu, Şeyda
core   +1 more source

How to Make a Phosphine by Catalytic Hydrophosphination

open access: yesChemistry–Methods, Volume 6, Issue 9, September 2026.
Catalysis is the winning hand for hydrophosphination. Three general advances, electrophilic metals, ionic and solvent effects, and photocatalysis have allowed for large categories of unsaturated and phosphine substrates to be accessed. Through these advances, a catalyst that can provide good conversion for most substrates can now be found. Implications
Rory Waterman
wiley   +1 more source

Threats and Shifts in Microbial Communities of Salars Associated With Direct Lithium Extraction and Brine Reinjection

open access: yesGlobal Challenges, Volume 10, Issue 9, September 2026.
Lithium for rechargeable batteries is increasingly extracted from brines in high‐Andean salars. Direct Lithium Extraction (DLE) technologies are promoted as sustainable alternatives to conventional evaporation ponds. This work explores how brine modification and reinjection may affect microbial communities and ecosystem functioning, highlighting the ...
Carolina F. Cubillos   +2 more
wiley   +1 more source

Doubly charged ion mass spectra of organophosphorus compounds

open access: yes, 1985
Doubly charged ion mass spectra have been obtained for 11 organophosphorus compounds. Methane has been used as a target gas to increase the probability of single electron transfer collisions in the first field-free region of an Hitachi RMU-7L mass ...
Moran, T   +5 more
core   +1 more source

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