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Stas, Irina; Nedyakina, I. A.; Shipunov, B. P.

doi:10.1023/a:1026183818218

Cited by 3 publications

(2 citation statements)

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“…Polarography with the so-called "fast scanning" operates classically in a range from kHz to tens of MHz [10], while modulation polarography operates in a range of several megahertz [11]. In the novel method of drop voltammetry with synchronous processing by the electromagnetic field, the frequency used is 55 MHz [12]. Methods of electrochemical radiofrequency purification [13], as a rule, also do not work in the microwave region.…”

Section: Microwave Enthrakometry In Its Relation To Polarographymentioning

confidence: 99%

Microwave Enthrakometric Labs-On-A-Chip and On-Chip Enthrakometric Catalymetry: From Non-Conventional Chemotronics Towards Microwave-Assisted Chemosensors

Градов

Gradova

2019

Chemosensors

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A unique chemical analytical approach is proposed based on the integration of chemical radiophysics with electrochemistry at the catalytically-active surface. This approach includes integration of: radiofrequency modulation polarography with platinum electrodes, applied as film enthrakometers for microwave measurements; microwave thermal analysis performed on enthrakometers as bolometric sensors; catalytic measurements, including registration of chemical self-oscillations on the surface of a platinum enthrakometer as the chemosensor; measurements on the Pt chemosensor implemented as an electrochemical chip with the enthrakometer walls acting as the chip walls; chemotron measurements and data processing in real time on the surface of the enthrakometric chip; microwave electron paramagnetic resonance (EPR) measurements using an enthrakometer both as a substrate and a microwave power meter; microwave acceleration of chemical reactions and microwave catalysis оn the Pt surface; chemical generation of radio- and microwaves, and microwave spin catalysis; and magnetic isotope measurements on the enthrakometric chip. The above approach allows one to perform multiparametric physical and electrochemical sensing on a single active enthrakometric surface, combining the properties of the selective electrochemical sensor and an additive physical detector.

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Section: Microwave Enthrakometry In Its Relation To Polarographymentioning

confidence: 99%

Microwave Enthrakometric Labs-On-A-Chip and On-Chip Enthrakometric Catalymetry: From Non-Conventional Chemotronics Towards Microwave-Assisted Chemosensors

Градов

Gradova

2019

Chemosensors

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“…Despite advantages of voltammetric techniques, to the best of our knowledge, there is no report on voltammetric detection of one of the important groups of materials, namely nonredoxactive lanthanides. Although determination of nonredoxactive species such as alkali metals and alkaline earth metals have been previously reported, these sensors have drawbacks such as high detection limit and short linear dynamic range (LDR) 2,8,9.…”

Section: Introductionmentioning

confidence: 99%

Voltammetric Ion‐Selective Nanocomposite Carbon Paste Electrode for Determination of Erbium at the Interface Between two Immiscible Electrolyte Solutions

Mirshafian

Norouzi

2012

Electroanalysis

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In this study for the first time a novel erbium(III) voltammetric ion-selective nanocomposite carbon-paste electrode was introduced based on the concept of ion transfer at the interface between two immiscible electrolyte solutions. N'-(2-hydroxy-1,2-diphenylethylidene) benzohydrazide (HDB) was used as a selective ionophore in the composition of the carbon paste. The ionophore facilitates transfer of Er(III) from the aqueous solution to the room temperature ionic liquid (RTIL) phase after reduction of the redox probe to maintain charge neutrality. The plot of the peak potential versus the logarithm of the concentration exhibits a Nernstian response (19.9 AE 0.2 mV decade À1 ) toward Er(III) in the range of 7.5 10 À7 -1.0 10 À1 mol L À1 with detection limit of 5.0 10 À7 mol L À1. The proposed sensor shows a fast response time of about 5 s.

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Determination of potassium ions in biodiesel using a nickel(II) hexacyanoferrate-modified electrode

Castilho

Stradiotto

2008

Talanta

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Cited by 3 publications

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Microwave Enthrakometric Labs-On-A-Chip and On-Chip Enthrakometric Catalymetry: From Non-Conventional Chemotronics Towards Microwave-Assisted Chemosensors

Microwave Enthrakometric Labs-On-A-Chip and On-Chip Enthrakometric Catalymetry: From Non-Conventional Chemotronics Towards Microwave-Assisted Chemosensors

Voltammetric Ion‐Selective Nanocomposite Carbon Paste Electrode for Determination of Erbium at the Interface Between two Immiscible Electrolyte Solutions

Determination of potassium ions in biodiesel using a nickel(II) hexacyanoferrate-modified electrode

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