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Articles 1 - 13 of 13
Full-Text Articles in Chemistry
5. Burton Carl Anderson, Otto Vogl
5. Burton Carl Anderson, Otto Vogl
Emeritus Faculty Author Gallery
No abstract provided.
6. Ichitaro Uematsu, Otto Vogl, Teiji Tsuruta, Yoshiko Uematsu
6. Ichitaro Uematsu, Otto Vogl, Teiji Tsuruta, Yoshiko Uematsu
Emeritus Faculty Author Gallery
No abstract provided.
Detection Of Solid Pigment In Dermatoscopy Images Using Texture Analysis, Murali Anantha, William V. Stoecker, Randy Hays Moss
Detection Of Solid Pigment In Dermatoscopy Images Using Texture Analysis, Murali Anantha, William V. Stoecker, Randy Hays Moss
Chemistry Faculty Research & Creative Works
Background/aims: Epiluminescence microscopy (ELM), also known as dermoscopy or dermatoscopy, is a non-invasive, in vivo technique, that permits visualization of features of pigmented melanocytic neoplasms that are not discernable by examination with the naked eye. ELM offers a completely new range of visual features. One such feature is the solid pigment, also called the blotchy pigment or dark structureless area. Our goal was to automatically detect this feature and determine whether its presence is useful in distinguishing benign from malignant pigmented lesions.
Methods: Here, a texture-based algorithm is developed for the detection of solid pigment. The factors d and a …
8. Paolo Corradini, Otto Vogl, Brigitta Griesbeck Corradini
8. Paolo Corradini, Otto Vogl, Brigitta Griesbeck Corradini
Emeritus Faculty Author Gallery
No abstract provided.
9. Oskar Friedrich Olaj, Otto Vogl
9. Oskar Friedrich Olaj, Otto Vogl
Emeritus Faculty Author Gallery
No abstract provided.
10. Dietrich Braun, Otto Vogl
11. Binglin He, Otto Vogl, Frank C. Ho (He Zhenchi)
11. Binglin He, Otto Vogl, Frank C. Ho (He Zhenchi)
Emeritus Faculty Author Gallery
No abstract provided.
Solid-State Deuterium Nuclear Magnetic Resonance Of The Methyl Dynamics Of Poly(Alpha-Methylstyrene) And Polymethylphenylsilane, Robert D. O'Connor, Eric J. Ginsburg, Frank D. Blum
Solid-State Deuterium Nuclear Magnetic Resonance Of The Methyl Dynamics Of Poly(Alpha-Methylstyrene) And Polymethylphenylsilane, Robert D. O'Connor, Eric J. Ginsburg, Frank D. Blum
Chemistry Faculty Research & Creative Works
The methyl-d3 dynamics of two relatively similar polymers, poly(alpha-methylstyrene) (PAMS-d3) and polymethylphenylsilane (PMPS-d3), are investigated via deuterium NMR relaxation experiments. Our analysis of the relaxation data uses the entire solid-echo spectra to maximize the precision of the experiments with regard to the information available on the methyl dynamics. The analysis is novel in that it does not use M[infinity] or M0 to fit the relaxation data. Additionally, the three-site symmetric jump model is shown to not have an observable azimuthal angular dependence for T1 relaxation. The methyl dynamics are quantified with taum, sigma, and f which are the log-average correlation …
Sixth Pacific Polymer Conference, Ppc-6 Guangzhou, China, Otto Vogl, Xu Mao
Sixth Pacific Polymer Conference, Ppc-6 Guangzhou, China, Otto Vogl, Xu Mao
Emeritus Faculty Author Gallery
No abstract provided.
Chemical Oxidation Of Mtbe Under O2-Rich And O2-Limited Environments Coupled With Biological Degradation Of Oxidation Byproducts, J. Sutherland, B. Panka, Craig D. Adams, Joel Gerard Burken
Chemical Oxidation Of Mtbe Under O2-Rich And O2-Limited Environments Coupled With Biological Degradation Of Oxidation Byproducts, J. Sutherland, B. Panka, Craig D. Adams, Joel Gerard Burken
Civil, Architectural and Environmental Engineering Faculty Research & Creative Works
The H2O2/UV Advanced Oxidation Process (AOP) Was Investigated to Determine Byproduct Formation under Different Experimental Conditions (PH, Alkalinity, and H2O2/UV Dose). a Key Factor in the Efficiency of the AOP Was the Dissolved Oxygen Concentration. Gas Chromatography/mass Spectrometry (GC/MS) Analysis Was Used to Identify Byproducts Resulting from Oxidation under Oxygen-Rich and Oxygen-Limited Conditions. Resultant Oxidation Byproducts Were Analyzed for their Susceptibility to Biological Degradation. Biodegradation Rate Constants Were Determined and Modeled for the Primary Byproducts of the Advanced Oxidation Process. Inhibition Resulting from the Presence of Multiple Byproducts in a Biological System Was Investigated as Well. Effects of Process Parameters …
Electroanalysis Using Differential Pulse Methods And Stripping Techniques., Enda Howard
Electroanalysis Using Differential Pulse Methods And Stripping Techniques., Enda Howard
Masters
Application of a differential pulse waveform to a microelectrode or a rotating disk electrode results in a peaked response for amperometric redox reactions. Based on these observations models were proposed and tested for these methods. Simulations of the models were carried out by inputting the relevant equations into Microsoft Excel. The microelectrode study revealed a good correlation between one model and the numerical derivative of the current following a linear sweep potential waveform. Experimentally the derivative can be obtained numerically following a linear sweep. The alternative differential pulse waveform requires more sophisticated equipment and the response can be affected by …
Dynamics Of Interfacial Polymers In Composites, Frank D. Blum, Wuu-Yung Lin
Dynamics Of Interfacial Polymers In Composites, Frank D. Blum, Wuu-Yung Lin
Chemistry Faculty Research & Creative Works
Much experimental and theoretical work has been done on the behavior of adsorbed polymers. However, not much work has focused on the dynamics, especially segmental dynamics, of the adsorbed polymers. This is especially true of filled polymer or composite systems as the interfacial layers in these systems are difficult to study with most techniques. NMR is not restricted to use in optically clear samples and its use in the characterization in the surface polymers has been reviewed. In our laboratory, we have found that deuterium NMR could be used to probe the segmental dynamics of adsorbed polymers. The position of …
Structural And Electrical Characterization Of A Novel Mixed Conductor: Ceo2 - Sm2O3 - Zro2 Solid Solution, W. Huang, P. Shuk, M. Greenblatt, M. Croft, Fanglin Chen, M. Liu
Structural And Electrical Characterization Of A Novel Mixed Conductor: Ceo2 - Sm2O3 - Zro2 Solid Solution, W. Huang, P. Shuk, M. Greenblatt, M. Croft, Fanglin Chen, M. Liu
Faculty Publications
solid solutions were synthesized for the first time by the hydrothermal method. The electrical properties of the solid solutions have been studied in air and under reducing conditions. Solid solutions with the fluorite structure were formed in all of the studied range of substitution after calcination at 1500°C. With increasing substitution up to 30 mol %, the electronic conductivity increases under a reducing atmosphere. The solid solution has good mixed electronic and ionic conductivity; the total conductivity is 0.42 S/cm at and 700°C with an estimated ionic conductivity of ca. .