Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Gustavo S. Garbellini"'
Publikováno v:
Química Nova, Vol 33, Iss 10, Pp 2261-2265 (2010)
The potentiality of the use of ultrasound radiation in association with a boron-doped diamond electrode was evaluated on the voltammetric determination of the pesticide carbaryl. Improvements in the sensitivity, limit of detection and reproducibility
Externí odkaz:
https://doaj.org/article/990ca60d244240fe8f34b9a82a12526e
Publikováno v:
Química Nova, Vol 33, Iss 4, Pp 964-967 (2010)
An analytical method for the determination of the anti-inflammatory drug 5-aminosalicylic acid (5-ASA) in pharmaceutical formulations using square wave voltammetry at pencil graphite electrodes was developed. After the optimization of the experimenta
Externí odkaz:
https://doaj.org/article/dcebe20f96be4162b73fd76147eaf2aa
Publikováno v:
Química Nova, Vol 31, Iss 1, Pp 123-133 (2008)
The aim of this review is to present and discuss the applications of ultrasound in electrochemical systems such as in sonoelectroanalysis and sonoelectrolysis for the electrochemical combustion of organic compounds. Initially, theoretical and experim
Externí odkaz:
https://doaj.org/article/392f6bd5fbd74ae08b94b38cfbcb8b59
Publikováno v:
Química Nova, Vol 30, Iss 8, Pp 2025-2034 (2007)
This work describes the development of electroanalytical methodologies for the determination of atrazine, ametrine and simazine by square wave voltammetry on a mercury electrode. For pure atrazine and pure ametrine, the detection limits (DL) were 3.7
Externí odkaz:
https://doaj.org/article/6bd7d048f1474f4e847f7834a67e1628
Publikováno v:
Analytical Methods. 7:3411-3418
Voltammetric methods for the determination of the fluoroquinolone ciprofloxacin (CIP) were developed using a cathodically pretreated boron-doped diamond (BDD) electrode coupled with square-wave voltammetry (SWV) and differential pulse voltammetry (DP
Publikováno v:
Sensors and Actuators B: Chemical. 192:188-195
In previous work, the interaction of DNA with the textile dyes Disperse Orange 1 (DO1) and Disperse Red 1 (DR1), and their electrolysis products, resulted in significant changes in the characteristic oxidation peaks of the guanine and adenine moietie
Publikováno v:
Sensors and Actuators B: Chemical. 178:627-635
A disposable pencil graphite electrode modified with dsDNA was used in combination with square wave voltammetry in order to evaluate the interaction of DNA with the textile dyes Disperse Orange 1 (DO1) and Disperse Red 1 (DR1), and with the products
Publikováno v:
Journal of Applied Electrochemistry. 42:297-304
Electrochemical reduction of the azo dye disperse orange 1 (DO1) was performed by square wave and cyclic voltammetry using a boron-doped diamond electrode. The dissolution of DO1 was evaluated by monitoring the UV–Vis spectra of the solutions, and
Publikováno v:
Food Chemistry. 116:1029-1035
The direct determination of methylparathion in potato and corn extracts and its degradation product 4-nitrophenol in lemon and orange juices by ultrasound-assisted square wave voltammetry using diamond electrodes is reported here. The sonovoltammetri
Publikováno v:
Analytical Letters. 40:2673-2682
This work describes an analytical methodology for the determination of nitrite ions in aqueous solutions using boron‐doped diamond electrodes and square wave voltammetry associated with ultrasound radiation. The nitrite ions were oxidized to nitrat