scholarly journals Electrochemical Behavior and Determination of Chlorogenic Acid Based on Multi-Walled Carbon Nanotubes Modified Screen-Printed Electrode

Sensors ◽  
2016 ◽  
Vol 16 (11) ◽  
pp. 1797 ◽  
Author(s):  
Xiaoyan Ma ◽  
Hongqiao Yang ◽  
Huabin Xiong ◽  
Xiaofen Li ◽  
Jinting Gao ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Chlorogenic Acid ◽  
Electrochemical Behavior ◽  
Screen Printed Electrode ◽  
Multi Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes ◽  
Screen Printed

scholarly journals Cost-Effective Potentiometric Platforms Modified with Multi-Walled Carbon Nanotubes (MWCNTs) and Based on Imprinted Receptors for Fluvoxamine Assessment

Polymers ◽  
2020 ◽  
Vol 12 (3) ◽  
pp. 673
Author(s):  
Heba M. Hashem ◽  
Saad S. M. Hassan ◽  
Ayman H. Kamel ◽  
Abd El-Galil E. Amr ◽  
E. M. AbdelBary
Keyword(s):  
Carbon Nanotubes ◽  
Electrochemical Impedance ◽  
Biological Fluids ◽  
Pharmaceutical Preparations ◽  
Cost Effective ◽  
Hplc Method ◽  
Multi Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes ◽  
Screen Printed

A simple, efficient and reliable analytical method was developed and used for the determination of the fluvoxamine drug (FLV) in pharmaceutical preparations and biological fluids. The method is based on the cost-effective screen-printed platform for the potential transduction of the drug. Host-tailored molecular imprinting polymer (MIP) was integrated with the potentiometric platform as a recognition receptor, in which FLV, acrylamide (AAm), ethylene glycol dimethacrylate (EGDMA) and acetonitrile were used as a template, functional monomer, cross-linker, and solvent, respectively. MIP particles were dispersed in plasticized poly (vinyl chloride) (PVC) and the membrane was drop-casted on carbon screen-printed electrode. The MIP, in addition to non-imprinted polymers (NIP), was characterized and the binding experiment revealed high affinity and adsorption capacity of MIP towards FLV. The proposed sensor displayed near-Nernstian cationic slope of 55.0 ± 0.8 mV/decade (r2 = 0.999) with a low detection limit of 4.8 × 10−6 mol/L over a wide pH range (3.0–8.5). The electrochemical features of the proposed sensors including electrochemical impedance spectroscopy (EIS) and chronopotentiometry measurements (CP) in the presence of multi-walled carbon nanotubes (MWCNTs) as a solid contact transducer were also investigated. The applications of the proposed sensor for the determination of FLV in different dosage forms with recovery values (98.8%–101.9%) and (97.4%–101.1%), respectively compared with the reference HPLC method with acceptedFandt-student tests values at the 95% confidence level.

Rapid voltammetric detection of kojic acid at a multi-walled carbon nanotubes screen-printed electrode

2017 ◽  
Vol 241 ◽  
pp. 406-412 ◽  
Author(s):  
Mihaela Buleandra ◽  
Andreea Alexandra Rabinca ◽  
Florentin Tache ◽  
Zenovia Moldovan ◽  
Ioan Stamatin ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Kojic Acid ◽  
Screen Printed Electrode ◽  
Voltammetric Detection ◽  
Multi Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes ◽  
Screen Printed
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