Cyclovoltammetric acetylcholinesterase activity assay after inhibition and subsequent reactivation by using a glassy carbon electrode modified with palladium nanorods composited with functionalized C60 fullerene
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Acetylthiocholine
Nanorod
Nanochemistry
Differential pulse voltammetry
Prussian blue
Glassy carbon
Abstract Recently, the attention to Prussian Blue has been aroused in the next generation applications in many areas, due to its specific advantages. However, the development of Prussian blue remains significant challenges. For example, nowadays, it can effectively improve the electrochemical performance of ions batteries. Herein, we summarize the recent advances and applications materials on the progress of the study and application of Prussian Blue in several area, including storage, electrochemistry, photochemical, medical. Special attentions were given on the following items: Prussian Blue Sensor, Ionic batteries and Hydrogen storage. The superior chemical nature of Prussian Blue makes Prussian Blue important in many areas.
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Prussian blue (PB) and Prussian blue analogues (PBAs) are commonly synthesized by conventional methods, such as chemical precipitation, thermal decomposition, and electrochemical deposition. Herein, we have successfully synthesized Prussian blue by oxidative print light synthesis (PLS) with a cubic Fe4[Fe(CN)6]3 phase, as confirmed by XRD compared to pure Prussian blue. Furthermore, UV–vis, FT-IR, Raman, and XPS measurements also present experimental evidence of PB formation from the Potassium hexacyanoferrate(II) trihydrate precursor by PLS. STEM images display aggregated PB particles of ca. 500 nm with a homogeneous distribution of Fe, N, C, and K throughout the sample. The electrochemical characterization provides excellent electrocatalytic performances during the charge and discharge processes, with oxidation/reduction reactions of high- and low-spin iron, which is already known as the interconversion of Prussian white to Prussian blue (PW ⇄ PB) and Prussian blue to Prussian green (PB ⇄ PG), respectively. In particular, PLS has been successfully employed as a smart and low-cost protocol to synthesize thin Prussian blue films, and possibly other PBAs, for applications in energy storage devices such as K, Na, and Mg ion batteries.
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Prussian blue
Photocurrent
Glassy carbon
Polarity (international relations)
Carbon fibers
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The electrochemical behavior of ambroxol was investigated on MWCNT/Nafion modified glassy carbon electrodes. In cyclic voltammetry, the compound showed an irreversible oxidation peak. Compared with the results on bare glassy carbon electrode and Nafion modified glassy carbon electrode, significant improvements in the sensitivity were obtained on MWCNT/Nafion modified glassy carbon electrode. The differential pulse voltammetric detection limits were determined to be 3×10-8 M, 4×10-9 M and 1 × 10-9 M on bare glassy carbon electrode, Nafion modified glassy carbon electrode and MWCNT/Nafion modified glassy carbon electrode, respectively. At the optimized condition, a sensitive linear differential pulse voltammetric response range for the ambroxol was between 1×10-8 and 1.8×10-6 M on MWCNT/Nafion modified glassy carbon electrode. Determination of ambroxol in pharmaceutical dosage forms was performed by differential pulse voltammetry. All values were in good statistical agreement with the nominal values.
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Differential pulse voltammetry
Glassy carbon
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The electrochemical properties of Prussian blue films on Pt and spark anodized n‐type electrodes were investigated. Evidence for four redox states for Prussian blue was obtained. While the oxidation of Everitt's salt to Prussian blue involves the high spin iron atoms, the oxidation of Prussian blue to Berlin green and Berlin green to Prussian yellow involves the low spin hexacyanoferrate groups. The Prussian blue/Everitt's salt redox system ( vs. SCE) is the most stable and reversible couple. The diffusion coefficients for reduction and oxidation of this redox couple are, respectively. The photoelectrochromic behavior of Prussian blue on semiconductor electrodes is discussed. The films deposited on have short‐circuit memory, and lateral color spreading through the film is slow. A light addressable electrochromic display is described.
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Differential pulse voltammetry
Glassy carbon
Electrochemical gas sensor
Carbazole
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A summary of structural characteristic and specific electrochemical property of prussian blue(PB), as well as its application as modifier to the H_2O_2-sensor was assessed,and a review of PB modified glucose biosensors as well as the recent progress of researches on oxidasebiosensors based on prussian blue was given,with 52 ref,cited.
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This chapter contains sections titled: Introduction: Historical and Bulk Properties Preparation of Prussian Blue Thin Films Prussian Blue Electrochromic Films: Cyclic Voltammetry, In Situ Spectroscopy and Characterisation Prussian Blue ECDs Prussian Blue Analogues
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Prussian blue (PB) is one of the most commonly used electrochemical mediators for analytical applications during the last decades. Its redox properties of electro-catalyzing hydrogen peroxide qualify it to be used in construction of various sensors for environmental, clinical and food analysis. In this review, the significant characteristic of PB was extensively discussed. Several methods for synthesizing Prussian blue nanoparticles (PBNPs) were also involved. A comprehensive review was given to the electrochemical sensors based on PB composite modified electrodes to monitor hydrogen peroxide and organic peroxides. Furthermore, both pH effect and stability of PB film in sensing applications were highlighted. Keywords: Hydrogen peroxide, hydroperoxide, prussian blue, modified electrodes, synthesis.
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