Silicon nanotube array/gold electrode for direct electrochemistry of cytochrome c

Article Abstract:

A large number of studies are conducted to demonstrate and fabricate the highly ordered silicon (Si) nanotube (SiNT) arrays, which act as attractive matrix to accommodate macromolecules and help in direct electrochemistry of cytochrome c without any pretreatment. The result indicates that the SiNT arrays exhibit good biocompatibility, as well as a nanoscale hollow structure and hence can be used in the preparation of various Si-based biosensors and protein characterizations.

Silicon, Usage, Design and construction, Cytochrome c, Voltammetry, Properties, Nanotubes

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Dynamic instabilities and mechanism of the electrochemical oxidation of thiosulfate

Article Abstract:

The electrochemical oxidation of thiosulfate is investigated to determine the oxidation properties of thiosulfate and the role of sulfur reactions in the oscillatory dynamics. The results have shown that the new electrochemical oscillator could be a potentiostatic oscillator or an S-shaped negative differential resistance (S-NDR) oscillator, implying that the variety of oxidation states of sulfur plays a vital role in the nonlinear instabilities.

Sodium Thiosulfate, Observations, Electric properties, Oxidation-reduction reaction, Oxidation-reduction reactions

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Thermodynamics analysis of decomposition of thiourea and thiourea oxides

Article Abstract:

Thermodynamic properties of thiourea and its oxides were investigated by measuring their thermogravimetry (TG), differential thermogravimetry (DTG), and differential scanning calorimetry (DSC) simultaneously. The decomposition of thiourea and its oxides featured random and continuous nucleation during the transformation process and calculations of Gibbs energy of activation illustrated that thiourea was more stable than its oxides.

Analysis, Oxides, Thermal properties, Calorimetry, Thermogravimetry

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