Results 81 to 90 of about 172,482 (220)

Customizing 3D Hierarchically Macroporous Covalent Organic Framework Superstructures for Improved Biosensing Interface in Highly‐Sensitive Electrochemical Biosensors

open access: yesExploration, Volume 6, Issue 4, August 2026.
The 3D hierarchically macroporous COF superstructure, which demonstrates enhanced mass and charge transfer along with superior substrate enrichment at the biosensing interface, serves as an advanced electrode material for enzyme immobilization.
Wenbo Wei   +8 more
wiley   +1 more source

Comparison Between the Efficiency of Advanced Oxidation Process and Coagulation for Removal Organophosphorus and Carbamat Pesticides [PDF]

open access: yesسلامت و محیط, 2011
Background and Objectives: Water pollution by pesticides has adverse effects on the environment and human health, as well .In recent years, advanced oxidation processes, have been gone through to a very high degree for pesticides removal.
A.R Rahmani, M.T Samadi, M Khodadadi
doaj  

Metal Halide Perovskite Quantum Dots for Luminescence Sensing and Imaging

open access: yesNano Select, Volume 7, Issue 8, August 2026.
This review highlights recent advances in metal halide perovskite quantum dots (PQDs)‐based photoluminescence, chemiluminescence, and electroluminescence sensing methods, as well as bioimaging applications. Key challenges, potential solutions, and future opportunities are discussed to guide the development of robust PQD‐based sensing platforms ...
Tooba Hallaj   +5 more
wiley   +1 more source

Sorptive extraction techniques in sample preparation for organophosphorus pesticides in complex matrices

open access: yes, 2010
Organophosphorus pesticides (OPPs), widely known as persistent organic pollutants, are the most popular contaminants in agriculture products in developing countries.
Duan, Chunfeng   +3 more
core   +1 more source

Optical leaky waveguide biosensors for the detection of organophosphorus pesticides

open access: yes, 2007
Organophosphorus (OP) pesticides can be rapidly detected by integrating organophosphorus hydrolase with an optical leaky waveguide biosensor. This enzyme catalyses the hydrolysis of a wide range of organophosphorus compounds causing an increase in the pH.
Fan, Xudong   +6 more
core   +1 more source

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  

Degradation kinetics of seven organophosphorus pesticides in milk during yoghurt processing [PDF]

open access: yesJournal of the Serbian Chemical Society, 2011
Bovine milk spiked with seven organophosphorus pesticides, i.e., dimethoate, fenthion, malathion, methyl parathion, monocrotophos, phorate and trichlorphon, was fermented at 42 °C with commercial directed vat set (DVS) starters to investigate the ...
LI-YING BO   +2 more
doaj  

Estudio epidemiológico de exposición a plaguicidas organofosforados y carbamatos en siete departamentos colombianos, 1998-2001.

open access: yesBiomédica: revista del Instituto Nacional de Salud, 2005
Objetivo. Determinar la actividad de la acetilcolineterasa en trabajadores con riesgo de exposición a plaguicidas organofosforados y carbamatos y los plaguicidas más frecuentemente aplicados en los cultivos agrícolas en siete departamentos colombianos ...
Omayda Cárdenas   +3 more
doaj   +1 more source

Metodologia para determinação de agrotóxicos por GC/MS em pluma e tecido de algodão [PDF]

open access: yes, 2013
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Química, Florianópolis, 2013.Na área têxtil os padrões de qualidade dos produtos passam a ser cada vez mais abrangentes.
Strelau, João Renato de Mendonça
core  

Removal of organophosphorus pesticides from water by electrogenerated Fenton's reagent

open access: yes, 2003
International audienceAqueous solutions of organophosphorus pesticides were completely mineralized via in-situ generated hydroxyl radicals (HO(center dot)) by the Electro-Fenton process. Formation of Fenton's reagent (H(2)O(2), Fe(2+)) was carried out by
Oturan, Mehmet A.   +2 more
core   +1 more source

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