Xem 1-7 trên 7 kết quả Potentiometry
  • Reference electrodes, liquid - junction potential, indicator electrodes,... As the main contents of the document "Chapter 6: Electrodes and Potentiometry". Invite you to consult the text book for more documents serving the academic needs and research.

    doc12p thangdambme 15-11-2015 12 1   Download

  • Introduction: An ion-selective electrode (ISE) is an example of an electrochemical sensor utilizing the principle of potentiometry, or measurement of the cell potential (i.e., ISE against a standard reference electrode) at near-zero current. Under these conditions, the boundary potential at the ISE–solution interface is governed by the laws of electrochemical thermodynamics or is compliant with the famous Nernst equation.

    pdf7p congdat261 06-12-2010 83 9   Download

  • Oxidation/Reduction Reactions Reactions in which electrons are transferred from one reactant to another. Example I-1 Cu2+ + Zn (s) Cu (s) + Zn2+ Cu2+ has undergone reduction and is reduced. Oxidizing reagent: Cu2+. Reducing agent: Zn. Zn has undergone oxidation and is oxidized. .

    pdf91p doilan 26-01-2013 25 8   Download

  • Electrochemical systems—e.g., batteries, capacitors, and fuel cells—are an integral part of modern technology. Electrochemical techniques, especially potentiometry and voltammetry, are indispensable for state-of-the-art analysis, and also for fundamental studies of the properties of solution species and solid phases and materials. Last, but not least, electrochemical concepts for understanding charge transfer reactions entered the fields of biochemistry and biophysics.

    pdf177p coeus75 29-01-2013 29 2   Download

  • This study on human cytochrome P450 reductase (CPR) presents a com-prehensive analysis of the thermodynamic and kinetic effects of pH and solvent on two- and four-electron reduction in this diflavin enzyme. pH-dependent redox potentiometry revealed that the thermodynamic equilibrium between various two-electron reduced enzyme species (FMNH • ,FADH • ; FMN,FADH2; FMNH2 ,FAD) is independent of pH.

    pdf18p galaxyss3 07-03-2013 24 2   Download

  • A comparative study of thermodynamic and kinetic aspects of Cu(II) and Ni(II) binding at the N-terminal binding site of human and bovine serum albumins (HSA and BSA, respectively) and short peptide analogues was performed using potentiometry and spectroscopic techniques. It was found that while qualitative aspects of interaction (spectra and structures of complexes, order of reactions) could be reproduced, the quantitative parameters (stability and rate constants) could not.

    pdf9p research12 01-06-2013 12 2   Download

  • Human novel reductase 1 (NR1) is an NADPH dependent diflavin oxidoreductase related to cytochrome P450reduc-tase (CPR). The FAD/NADPH- and FMN-binding domains of NR1 have been expressed and purified and their redox properties studied by stopped-flow and steady-state kinetic methods, and by potentiometry.

    pdf12p tumor12 20-04-2013 10 1   Download

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