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Journal of Nanoparticle Research
Erschienen in: Journal of Nanoparticle Research 7/2022

01.07.2022 | Research paper

Differential Pulse Voltammetric Determination of Sildenafil Using Nano-Iron Oxides Modified Electrode

verfasst von: Vo Thang Nguyen, Tran Duc Manh, Vu Thi Duyen, Ngo Thi My Binh, Doan Van Duong, Nguyen Thi Thanh Tu, Tran Thanh Tam Toan, Dao Ngoc Nhiem, Le Lam Son, Duong Quang Nhan, Nguyen Duc Vu Quyen, Dang Thi Ngoc Hoa, Dinh Quang Khieu

Erschienen in: Journal of Nanoparticle Research | Ausgabe 7/2022

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Abstract

Ferromagnetic nanoparticles (FeNPs) have been successfully prepared by using solvothermal reduction method with polyethylene glycol as a solvent. The obtained materials were characterized by X-ray diffraction, scanning electron microscopy, Raman spectroscopy, nitrogen adsorption/desorption isotherms, and vibrating sample magnetometer. The magnetic properties and morphology of iron oxides was found to depend on the solvothermal temperatures. An increase in heating temperature from 120 to 240 °C did not only enhance the saturation magnetization from 21 to 81 emu g−1 but also produced larger, highly crystalline cubic particles of FeNPs. The development of FeNPs-modified glassy carbon electrode (GCE) using Nafion as a binder for sildenafil (SIL) detection was studied. Cyclic voltammetry and differential pulse voltammetry methods were employed for the electrochemical analysis of SIL using the modified electrode. The proposed sensor exhibited excellent electrocatalytic activity towards SIL oxidation with an enhancement in oxidation peak current. Under the optimum conditions, the current response for the determination of SIL was linear in two concentration ranges of 1.33–9.20 and 9.20–80.76 ppm and the limit of detection was 1.01 ppm. This sensor was then used for the determination of SIL in real samples with satisfactory results.
Vorheriger Artikel Catalytic activity of laser-synthesized CrOx/Al2O3 nanocatalysts with different particle sizes in isobutane dehydrogenation
Nächster Artikel Effects of laser penetration depth and temperature on the stability of afatinib-loaded gold nanoparticles: an optical limiting study

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Metadaten
Titel
Differential Pulse Voltammetric Determination of Sildenafil Using Nano-Iron Oxides Modified Electrode
verfasst von
Vo Thang Nguyen
Tran Duc Manh
Vu Thi Duyen
Ngo Thi My Binh
Doan Van Duong
Nguyen Thi Thanh Tu
Tran Thanh Tam Toan
Dao Ngoc Nhiem
Le Lam Son
Duong Quang Nhan
Nguyen Duc Vu Quyen
Dang Thi Ngoc Hoa
Dinh Quang Khieu
Publikationsdatum
01.07.2022
Verlag
Springer Netherlands
Erschienen in
Journal of Nanoparticle Research / Ausgabe 7/2022
Print ISSN: 1388-0764
Elektronische ISSN: 1572-896X
DOI
https://doi.org/10.1007/s11051-022-05522-3

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