Nafion–mercury coated film electrode for the adsorptive stripping voltammetric determination of lead and cadmium in the presence of pyrogallol red

Electochemical Detection of Imidacloprid Using a Screen Printed Single Walled Carbon Nanotubes Coated with and Ionic Liquids

“…SPC electrode exhibits Rct value of 8000 Ohm. Similar situation has been reported for bare GC electrode in Fe(CN) 6 3-/4containing 10.0 mmol L -1 KCl [25]. Nyquist diagrams of the electrodes SWCNT/SPC and IL-SWCNT/SPC the Rct values decreased considerably.…”

“…Cyclic voltammetry analysis was developed with K 4 Fe(CN) 6 10.0 mmol L -1 in KCl 10.0 mmol L -1 . Cyclic voltammograms were recorded, while the potential was scanned from -0.3 to 1.0 V with scan rate of 100.0 mV s -1 .…”

“…Properties present in ionic liquids (ILs) such as; high ionic conductivity, low volatility, large electrochemical window and good electrochemical stability [1], makes them one of the first options in the development of electrochemical sensors. In addition, ILs have been used for the detection of pharmaceutical drugs as promazine [2] and Acetaminophen [3], inorganic substances as sulphites [4], DNA hybridization sensing [5] and metals ions iones such as lead and cadmium [6]. On the other hand, ILs combined with CNTs has been used for the detection of pharmaceutical drugs as carbamazepine [7], diphenhydramine [8], paracetamol [7], inorganic substances as hidracina [9] and fungicides as pyrimethanil [10].…”

Surface plasmon resonance based competitive immunoassay for Cd2+

“…Moreover, the sensing strategy could real-time monitor and shorten the analytical time, which is shorter than previously reported methods. [37][38][39][40] This novel biosensor approach not only provides an alternative, sensitive and specic analytical method for the detection of Cd 2+ , but can also be extended as a useful model for the detection of other small molecular compounds in biological, food and environmental areas.…”

A sensitive, selective and rapid determination of lead(II) ions in real-life samples using an electrochemically reduced graphene oxide-graphite reinforced carbon electrode

“…However, most established voltammetric methods for the determination of Pb(II) ions utilise a mercury working electrode, which is hazardous, even as a thin film electrode [7][8][9]. Besides mercury, carbon based materials such as glassy carbon, carbon nanotube thread and carbon paste also have potential to be used as the working electrode for Pb(II) ions [3,[10][11][12][13].…”