Global ETD Search

1	Amperometric biosensor systems prepared on poly(aniline-ferrocenium hexafluorophosphate) composites doped with poly(vinyl sulfonic acid sodium salt). Ndangili, Peter Munyao. January 2008 (has links) <p>The main hypothesis in this study is the development of a nanocomposite mediated amperometric biosensor for detection of hydrogen peroxide. The aim is to combine the electrochemical properties of both polyaniline and ferrocenium hexafluorophosphate into highly conductive nano composites capable of exhibiting electrochemistry in non acidic media / shuttling electrons between HRP and GCE for biosensor applications.</p> Amperometric biosensor Nano-composites Horseradish peroxide (HRP) Hydrogen peroxide Scanning Electron Microscopy (SEM) Cyclic voltammetry (CV) Steady-state amperometry Tooth whitening products.
2	Polymeric tyrosinase nanobiosensor system for the determination of endocrine disrupting bisphenol A Matyholo, Virginia Busiswa January 2011 (has links) The main objective of this work was to develop simple and sensitive electrochemical sensors for the detection of bisphenol A. To investigate the electrochemical behavior of BPA on a bare glassy carbon electrode. To apply the developed biosensor for the determination BPA by differential pulse voltammetry, electrochemical impedance spectrometry, square wave voltammetry and steady-state amperometry. To characterize the synthesized PDMA-PSS by cyclic voltammetry (CV), UV-Vis spectroscopy, transmission electron microscopy (TEM), scanning electron microscopy (SEM). Poly(2,5-dimethoxyaniline) Poly(4-styrenesulfonic acid) Bisphenol A Tyrosinase Biosensor Glassy carbon electrode Cyclic voltammetry Steady-state amperometry Differential pulse voltammetry Square wave voltammetry Electrochemical impedance spectrometry.
3	Amperometric biosensor systems prepared on poly(aniline-ferrocenium hexafluorophosphate) composites doped with poly(vinyl sulfonic acid sodium salt). Ndangili, Peter Munyao. January 2008 (has links) <p>The main hypothesis in this study is the development of a nanocomposite mediated amperometric biosensor for detection of hydrogen peroxide. The aim is to combine the electrochemical properties of both polyaniline and ferrocenium hexafluorophosphate into highly conductive nano composites capable of exhibiting electrochemistry in non acidic media / shuttling electrons between HRP and GCE for biosensor applications.</p> Amperometric biosensor Nano-composites Horseradish peroxide (HRP) Hydrogen peroxide Scanning Electron Microscopy (SEM) Cyclic voltammetry (CV) Steady-state amperometry Tooth whitening products.
4	Polymeric tyrosinase nanobiosensor system for the determination of endocrine disrupting bisphenol A Matyholo, Virginia Busiswa January 2011 (has links) The main objective of this work was to develop simple and sensitive electrochemical sensors for the detection of bisphenol A. To investigate the electrochemical behavior of BPA on a bare glassy carbon electrode. To apply the developed biosensor for the determination BPA by differential pulse voltammetry, electrochemical impedance spectrometry, square wave voltammetry and steady-state amperometry. To characterize the synthesized PDMA-PSS by cyclic voltammetry (CV), UV-Vis spectroscopy, transmission electron microscopy (TEM), scanning electron microscopy (SEM). Poly(2,5-dimethoxyaniline) Poly(4-styrenesulfonic acid) Bisphenol A Tyrosinase Biosensor Glassy carbon electrode Cyclic voltammetry Steady-state amperometry Differential pulse voltammetry Square wave voltammetry Electrochemical impedance spectrometry.
5	Polymeric tyrosinase nanobiosensor system for the determination of endocrine disrupting bisphenol A Matyholo, Virginia Busiswa January 2011 (has links) Magister Scientiae - MSc / The main objective of this work was to develop simple and sensitive electrochemical sensors for the detection of bisphenol A. To investigate the electrochemical behavior of BPA on a bare glassy carbon electrode. To apply the developed biosensor for the determination BPA by differential pulse voltammetry, electrochemical impedance spectrometry, square wave voltammetry and steady-state amperometry. To characterize the synthesized PDMA-PSS by cyclic voltammetry (CV), UV-Vis spectroscopy, transmission electron microscopy (TEM), scanning electron microscopy (SEM). / South Africa Poly(2,5-dimethoxyaniline) Poly(4-styrenesulfonic acid) Bisphenol A Tyrosinase Biosensor Glassy carbon electrode Cyclic voltammetry Steady-state amperometry Differential pulse voltammetry Square wave voltammetry Electrochemical impedance spectrometry

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