Latest Articles of Journal of Electroanalytical Chemistry


A protease-free and signal-on electrochemical biosensor for ultrasensitive detection of lead ion based on GR-5 DNAzyme and catalytic hairpin assembly 10.1016/j.jelechem.2018.03.036 2018-03-21 A simple protease-free and signal-on electrochemical biosensor based on GR-5 DNAzyme and catalytic hairpin assembly (CHA) for sensitive lead ion (Pb2+) assay was constructed in this work. In the presence of Pb2+, GR-5 DNAzyme specifically reacted with Pb2+ an...
Electrochemical detection of 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone using a cytochrome P450 2E1 decorated biosensor 10.1016/j.jelechem.2018.03.038 2018-03-21 In this work, a novel electrochemical biosensor for 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) was developed based on cytochrome P450 2E1 (CYP2E1). The biosensor was fabricated by immobilization of CYP2E1 with poly (diallyldimethylammonium chloride)...
Use of interelectrode material transfer of nickel and copper‑nickel alloy to carbon fibers to assemble miniature glucose sensors 10.1016/j.jelechem.2018.03.039 2018-03-21 Electrochemical deposition of the material released by anodizing nickel and copper nickel alloy in pure water onto carbon fiber microelectrodes was used to assemble miniature glucose sensors. The composition and morphology of the deposits was investigated by ...
High capacity surface route discharge at the potassium-O2 electrode 10.1016/j.jelechem.2018.03.041 2018-03-21 Discharge by a surface route at the cathode of an aprotic metal-O2 battery typically results in surface passivation by the non-conducting oxide product. This leads to low capacity and early cell death. Here we investigate the cathode discharge reaction in the...
Electrochemical detection of hydroquinone based on MoS2/reduced graphene oxide nanocomposites 10.1016/j.jelechem.2018.03.034 2018-03-19 Layered molybdenum disulfide/reduced graphene oxide (MoS2/RGO) nanocomposites were synthesized by solvothermal method, and were characterized by high-resolution transmission electron microscopy (HRTEM), field-emission scanning electron microscopy (FE-SEM), X-...
Hydrothermal preparation of CoO/Ti3C2 composite material for lithium-ion batteries with enhanced electrochemical performance 10.1016/j.jelechem.2018.03.031 2018-03-17 The CoO/Ti3C2 composite is prepared via a facile hydrothermal route followed by calcination, of which the morphology and the microstructure are characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (...
Facile green synthesis of reduced graphene oxide/tin oxide composite for highly selective and ultra-sensitive detection of ascorbic acid 10.1016/j.jelechem.2018.03.033 2018-03-17 In this work, we report a novel, cost effective and environmental-friendly green synthesis method of reduced graphene oxide (rGO) – tin oxide (SnO2) composite using lemon extract by hydrothermal process for selective and ultra-sensitive electrochemical detect...
Hopping mode SECM imaging of redox activity in ionic liquid with glass-coated inlaid platinum nanoelectrodes prepared using a heating coil puller 10.1016/j.jelechem.2018.03.032 2018-03-17 Major difficulties in nanoscale scanning electrochemical microscopy (SECM), resulting from the short tip-to-sample distance, are tilt misalignment and vertical thermal drift. This renders constant height mode nanoscale electrochemical imaging experimentally p...
Sunlight photocurrent generation from thylakoid membranes on gold nanoparticle modified screen-printed electrodes 10.1016/j.jelechem.2018.03.030 2018-03-16 In this work we report on the photocurrent increasing obtained by using thylakoid membranes “wired” with an osmium redox polymer (OsRP) immobilized onto screen-printed carbon and gold electrodes (SPCEs and SPAuEs), modified with gold microparticles (AuMPs) an...
Potentiometric sensors arrays based on perfluorinated membranes and silica nanoparticles with surface modified by proton-acceptor groups, for the determination of aspartic and glutamic amino acids anions and potassium cations 10.1016/j.jelechem.2018.03.028 2018-03-15 Hybrid materials based on perfluorosulfonic cation-exchange membranes and silica nanoparticles with surface modified by nitrogen-containing groups have been obtained. The influence of concentration, size and proton acceptor ability of modifying groups on the ...

A protease-free and signal-on electrochemical biosensor for ultrasensitive detection of lead ion based on GR-5 DNAzyme and catalytic hairpin assembly

10.1016/j.jelechem.2018.03.036

2018-03-21

A simple protease-free and signal-on electrochemical biosensor based on GR-5 DNAzyme and catalytic hairpin assembly (CHA) for sensitive lead ion (Pb2+) assay was constructed in this work. In the presence of Pb2+, GR-5 DNAzyme specifically reacted with Pb2+ an...

Electrochemical detection of 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone using a cytochrome P450 2E1 decorated biosensor

10.1016/j.jelechem.2018.03.038

2018-03-21

In this work, a novel electrochemical biosensor for 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) was developed based on cytochrome P450 2E1 (CYP2E1). The biosensor was fabricated by immobilization of CYP2E1 with poly (diallyldimethylammonium chloride)...

Use of interelectrode material transfer of nickel and copper‑nickel alloy to carbon fibers to assemble miniature glucose sensors

10.1016/j.jelechem.2018.03.039

2018-03-21

Electrochemical deposition of the material released by anodizing nickel and copper nickel alloy in pure water onto carbon fiber microelectrodes was used to assemble miniature glucose sensors. The composition and morphology of the deposits was investigated by ...

High capacity surface route discharge at the potassium-O2 electrode

10.1016/j.jelechem.2018.03.041

2018-03-21

Discharge by a surface route at the cathode of an aprotic metal-O2 battery typically results in surface passivation by the non-conducting oxide product. This leads to low capacity and early cell death. Here we investigate the cathode discharge reaction in the...

Electrochemical detection of hydroquinone based on MoS2/reduced graphene oxide nanocomposites

10.1016/j.jelechem.2018.03.034

2018-03-19

Layered molybdenum disulfide/reduced graphene oxide (MoS2/RGO) nanocomposites were synthesized by solvothermal method, and were characterized by high-resolution transmission electron microscopy (HRTEM), field-emission scanning electron microscopy (FE-SEM), X-...

Hydrothermal preparation of CoO/Ti3C2 composite material for lithium-ion batteries with enhanced electrochemical performance

10.1016/j.jelechem.2018.03.031

2018-03-17

The CoO/Ti3C2 composite is prepared via a facile hydrothermal route followed by calcination, of which the morphology and the microstructure are characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (...

Facile green synthesis of reduced graphene oxide/tin oxide composite for highly selective and ultra-sensitive detection of ascorbic acid

10.1016/j.jelechem.2018.03.033

2018-03-17

In this work, we report a novel, cost effective and environmental-friendly green synthesis method of reduced graphene oxide (rGO) – tin oxide (SnO2) composite using lemon extract by hydrothermal process for selective and ultra-sensitive electrochemical detect...

Hopping mode SECM imaging of redox activity in ionic liquid with glass-coated inlaid platinum nanoelectrodes prepared using a heating coil puller

10.1016/j.jelechem.2018.03.032

2018-03-17

Major difficulties in nanoscale scanning electrochemical microscopy (SECM), resulting from the short tip-to-sample distance, are tilt misalignment and vertical thermal drift. This renders constant height mode nanoscale electrochemical imaging experimentally p...

Sunlight photocurrent generation from thylakoid membranes on gold nanoparticle modified screen-printed electrodes

10.1016/j.jelechem.2018.03.030

2018-03-16

In this work we report on the photocurrent increasing obtained by using thylakoid membranes “wired” with an osmium redox polymer (OsRP) immobilized onto screen-printed carbon and gold electrodes (SPCEs and SPAuEs), modified with gold microparticles (AuMPs) an...

Potentiometric sensors arrays based on perfluorinated membranes and silica nanoparticles with surface modified by proton-acceptor groups, for the determination of aspartic and glutamic amino acids anions and potassium cations

10.1016/j.jelechem.2018.03.028

2018-03-15

Hybrid materials based on perfluorosulfonic cation-exchange membranes and silica nanoparticles with surface modified by nitrogen-containing groups have been obtained. The influence of concentration, size and proton acceptor ability of modifying groups on the ...