scholarly journals Electrochemical Detection of Hydroquinone by Square Wave Voltammetry using a Zn Layered Hydroxide-Ferulate (ZLH-F) Modified MWCNT Paste Electrode

2018 ◽  
pp. 373-383 ◽  
Author(s):  
Mohamad Syahrizal Ahmad ◽  
Keyword(s):  
Electrochemical Detection ◽  
Square Wave Voltammetry ◽  
Square Wave ◽  
Wave Voltammetry ◽  
Paste Electrode

scholarly journals Electrochemical detection of exogenously administered melatonin in the brain

The Analyst ◽  
2020 ◽  
Vol 145 (7) ◽  
pp. 2612-2620 ◽  
Author(s):  
Elisa Castagnola ◽  
Kevin Woeppel ◽  
Asiyeh Golabchi ◽  
Moriah McGuier ◽  
Neharika Chodapaneedi ◽  
...  
Keyword(s):  
Electrochemical Detection ◽  
Square Wave Voltammetry ◽  
Electrochemical Measurement ◽  
Square Wave ◽  
Wave Voltammetry ◽  
The Brain

Optimized square wave voltammetry for electrochemical measurement of exogenously administered MT in vivo.

Determination of diethofencarb (isopropyl 3,4-diethoxyphenylcarbamate) by square wave voltammetry using a multiwall carbon nanotube paste electrode

2015 ◽  
Vol 7 (19) ◽  
pp. 8373-8378 ◽  
Author(s):  
Nur AKBAŞ ◽  
Recai İNAM
Keyword(s):  
Carbon Nanotube ◽  
Square Wave Voltammetry ◽  
Anodic Peak ◽  
Multiwall Carbon Nanotube ◽  
Square Wave ◽  
Wave Voltammetry ◽  
Carbon Nanotube Paste Electrode ◽  
Paste Electrode ◽  
Multiwall Carbon

A new sensitive square wave anodic peak at +861 mV obtained using a newly prepared carbon nanotube electrode provided determination of the fungicide diethofencarb.

scholarly journals A simple and fast method to detect freebase cocaine in artificial saliva by square wave voltammetry (SWV) using carbon paste electrode

2020 ◽  
Vol 10 (4) ◽  
pp. 361-371
Author(s):  
Bruno Ferreira ◽  
Leandro Oka Duarte ◽  
Érica Naomi Oiye ◽  
Maria Fernanda Muzetti Ribeiro ◽  
Juliana Midori Toia Katayama ◽  
...  
Keyword(s):  
Carbon Paste Electrode ◽  
Square Wave Voltammetry ◽  
Limit Of Detection ◽  
Artificial Saliva ◽  
Fast Method ◽  
Carbon Paste ◽  
Square Wave ◽  
Wave Voltammetry ◽  
Analytical Curve ◽  
Paste Electrode

The consequences of consuming and commercializing illicit drugs including cocaine, con­stitute a serious problem for authorities and the whole society. Cocaine is usually identified in the laboratory conditions by chromatographic or spectroscopic methods. Electro­che­mical techniques have also gained prominence because they are fast and easy to use, have many applications, and provide reproducible and reliable results. Therefore, in the present study, a voltammetric method was developed to detect freebase cocaine using carbon paste electrode and methanol as the main cocaine solvent. The developed method was applied to detect cocaine in the artificial saliva by the square wave voltammetry (SWV). The current values increased linearly with the concentration of cocaine, which afforded construction of the analytical curve. The limit of detection (LoD) and the limit of quantify­cation (LoQ) were determined as 0.90 µg/mL and 2.41 µg/mL, respectively. For compa­rison purposes, HPLC-DAD chromatographic method was also applied to detect cocaine. The corresponding analytical curve gave LoD = 0.043 µg/mL and LoQ = 0.130 µg/mL. Although showing better analytical results, HPLC-DAD method could not detect cocaine in saliva samples without previous treatment, what makes the electrochemical method much more attractive for this type of detection.

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