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1.
Recent progress in non-enzymatic electroanalytical detection of pesticides based on the use of functional nanomaterials as electrode modifiers
Tanja Vrabelj, Matjaž Finšgar, 2022, pregledni znanstveni članek

Opis: This review presents recent advances in the non-enzymatic electrochemical detection and quantification of pesticides, focusing on the use of nanomaterial-based electrode modifiers and their corresponding analytical response. The use of bare glassy carbon electrodes, carbon paste electrodes, screen-printed electrodes, and other electrodes in this research area is presented. The sensors were modified with single nanomaterials, a binary composite, or triple and multiple nanocomposites applied to the electrodes’ surfaces using various application techniques. Regardless of the type of electrode used and the class of pesticides analysed, carbon-based nanomaterials, metal, and metal oxide nanoparticles are investigated mainly for electrochemical analysis because they have a high surface-to-volume ratio and, thus, a large effective area, high conductivity, and (electro)- chemical stability. This work demonstrates the progress made in recent years in the non-enzymatic electrochemical analysis of pesticides. The need for simultaneous detection of multiple pesticides with high sensitivity, low limit of detection, high precision, and high accuracy remains a challenge in analytical chemistry.
Ključne besede: electroanalysis, non-enzymatic sensors, nanomaterials, pesticides
Objavljeno v DKUM: 15.05.2025; Ogledov: 0; Prenosov: 0
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2.
Phase equilibira of permethrin and dicofol with carbon dioxide
Petra Kotnik, Amra Perva, Mojca Škerget, Željko Knez, 2005, izvirni znanstveni članek

Opis: The solubilities of pesticides (permethrin and dicofol) in CO2 were measured by a static-analytic method at pressures ranging from 10.0 MPa to 25.0 MPa andtemperatures of 293.2 K, 303.2 K, and 313.2 K. Due to the nonconventional shape of some solubility isotherms, solid-liquid transitions of pesticides under pressure of CO2 were determined using a modified capillary method. Sincethe solubilities depend on solvent density, the experimental binary solid-fluid equilibrium data were correlated as a function of solvent density by two different models.
Ključne besede: chemical processing, high pressure technology, CO2, pesticides, phase equilibria, solubility
Objavljeno v DKUM: 01.06.2012; Ogledov: 2097; Prenosov: 36
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