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Articles 2581 - 2610 of 3417

Full-Text Articles in Physical Sciences and Mathematics

Elucidating Marine Pore Water Exchange And Fresh Aquifer Sources In Estimates Of Submarine Groundwater Discharge To A Coastal Lagoon, Christopher Gerald Smith Jan 2008

Elucidating Marine Pore Water Exchange And Fresh Aquifer Sources In Estimates Of Submarine Groundwater Discharge To A Coastal Lagoon, Christopher Gerald Smith

LSU Doctoral Dissertations

Dynamic balances between fresh groundwater, saline groundwater, and surface water control the physics and chemistry of subterranean estuaries. Investigations were performed in a subterranean estuary on physical processes contributing to fresh groundwater and saline water mixing, vertical and lateral positioning of this mixing zone, and how this mixing affects spatial and temporal distributions of 234,238U, 226Ra, and 222Rn. The subterranean estuary is located in an unconfined aquifer beneath Indian River Lagoon, Florida, USA, where I could examine redox responses to altered flow regimes. Continuous groundwater and surface water level measurements suggest a strong hydrologic connection between this …


Concentration Of Phosphorylated Proteins Using Modified Pmma Microanalytical Devices, Jowell Guerra Bolivar Jan 2008

Concentration Of Phosphorylated Proteins Using Modified Pmma Microanalytical Devices, Jowell Guerra Bolivar

LSU Doctoral Dissertations

This work describes the application of PMMA-based microanalytical devices for the affinity-type preconcentration of posttranslational modified proteins (PTMs). The choice of poly(methyl methacrylate), PMMA, is based on its biocompatibility, its functional methyl ester group for potential modification, and its extensive applications to create biological microelectromechanical systems (BioMEMS). Developing methodologies for preconcentration of PTMs is important for cancer diagnosis due to PTMs’ influence in the regulatory mechanism underlying the early stage of apoptosis or regulated cell death. Towards this goal, nitroavidin which can reversibly binds to biotin (and biotinylated proteins), was prepared using reported procedure and was characterized using several techniques …


Development Of New Stimuli-Responsive Vesicles Using A Novel Surfactant, Yuming Yang Jan 2008

Development Of New Stimuli-Responsive Vesicles Using A Novel Surfactant, Yuming Yang

LSU Doctoral Dissertations

Many amphiphilic molecules (surfactants) possess the ability to aggregate in aqueous solution to form thermodynamically stable aggregates that have potential for use as molecule containers and delivery systems in analytical or pharmaceutical applications. However, it is difficult to release the encapsulated molecules from these aggregates under a controllable manner, and this problem has dramatically limited the application of these aggregated systems. This study addresses this problem through fundamental structure modification by development of a novel redox stimuli-responsive amphiphile capable of forming vesicle aggregates. Aggregate structure can be adjusted through redox stimulation. The release of agents from the core of the …


Bioanalytical Methods For Studies Of Homocysteine And Novel Cardiovascular Disease Indicators, Arther T. Gates Jan 2008

Bioanalytical Methods For Studies Of Homocysteine And Novel Cardiovascular Disease Indicators, Arther T. Gates

LSU Doctoral Dissertations

This dissertation explores the development of analytical methods for studies of CVD biomarkers and related biomolecular indicators. Initially, spectroscopic studies were conducted to investigate the chemical reactivity of homocysteine (Hcy), an independent CVD risk factor and serological biomarker. Consequently, we proposed an alternate theory for in vivo Hcy clearance based on spontaneous pyridoxal tetrahydrothiazine (PT) formation from Hcy and pyridoxal. The validity of PT-assisted Hcy clearance was further evaluated by use of capillary electrophoretic methods, which allowed rapid monitoring of protein oligomerization in PT-protein reaction mixtures. The results of these studies suggest that PT formation is a plausible mechanism for …


Portfolio Optimization With Consumption In A Fractional Black-Scholes Market, Yalçin Sarol, Frederi G Viens, Tao Zhang Dec 2007

Portfolio Optimization With Consumption In A Fractional Black-Scholes Market, Yalçin Sarol, Frederi G Viens, Tao Zhang

Communications on Stochastic Analysis

No abstract provided.


Local Theorems Related To Lévy-Type Branching Mechanism, Vladimir Vinogradov Dec 2007

Local Theorems Related To Lévy-Type Branching Mechanism, Vladimir Vinogradov

Communications on Stochastic Analysis

No abstract provided.


Markov Semigroups And Estimating Functions, With Applications To Some Financial Models, Jerome A Goldstein, Rosa Maria Mininni, Silvia Romanelli Dec 2007

Markov Semigroups And Estimating Functions, With Applications To Some Financial Models, Jerome A Goldstein, Rosa Maria Mininni, Silvia Romanelli

Communications on Stochastic Analysis

No abstract provided.


Functional Limit Theorems For Trace Processes In A Dyson Brownian Motion, Victor Pérez-Abreu, Constantin Tudor Dec 2007

Functional Limit Theorems For Trace Processes In A Dyson Brownian Motion, Victor Pérez-Abreu, Constantin Tudor

Communications on Stochastic Analysis

No abstract provided.


A Random Change Of Variables And Applications To The Stochastic Porous Medium Equation With Multiplicative Time Noise, S V Lototsky Dec 2007

A Random Change Of Variables And Applications To The Stochastic Porous Medium Equation With Multiplicative Time Noise, S V Lototsky

Communications on Stochastic Analysis

No abstract provided.


Almost Any State Of Any Amplitude Markov Chain Is Recurrent, Luigi Accardi, Hiromichi Ohno Dec 2007

Almost Any State Of Any Amplitude Markov Chain Is Recurrent, Luigi Accardi, Hiromichi Ohno

Communications on Stochastic Analysis

No abstract provided.


The Characterization Of A Class Of Probability Measures By Multiplicative Renormalization, Izumi Kubo, Hui-Hsiung Kuo, Suat Namli Dec 2007

The Characterization Of A Class Of Probability Measures By Multiplicative Renormalization, Izumi Kubo, Hui-Hsiung Kuo, Suat Namli

Communications on Stochastic Analysis

No abstract provided.


Existence And Uniqueness Of Solutions To The Backward Stochastic Lorenz System, P Sundar, Hong Yin Dec 2007

Existence And Uniqueness Of Solutions To The Backward Stochastic Lorenz System, P Sundar, Hong Yin

Communications on Stochastic Analysis

No abstract provided.


Schrödinger Type Equation Associated With The Lévy And Volterra Laplacians, Kazuyoshi Sakabe Dec 2007

Schrödinger Type Equation Associated With The Lévy And Volterra Laplacians, Kazuyoshi Sakabe

Communications on Stochastic Analysis

No abstract provided.


Hypoxia In The Northern Gulf Of Mexico: Does The Science Support The Plan To Reduce, Mitigate, And Control Hypoxia?, Nancy N. Rabalais, R. Eugene Turner, B.K. Sen Gupta, D. F. Boesch, P. Chapman, M. C. Murrell Oct 2007

Hypoxia In The Northern Gulf Of Mexico: Does The Science Support The Plan To Reduce, Mitigate, And Control Hypoxia?, Nancy N. Rabalais, R. Eugene Turner, B.K. Sen Gupta, D. F. Boesch, P. Chapman, M. C. Murrell

Faculty Publications

We update and reevaluate the scientific information on the distribution, history, and causes of continental shelf hypoxia that supports the 2001 Action Plan for Reducing, Mitigating, and Controlling Hypoxia in the Northern Gulf of Mexico (Mississippi River/Gulf of Mexico Watershed Nutrient Task Force 2001), incorporating data, publications, and research results produced since the 1999 integrated assessment. The metric of mid-summer hypoxic area on the Louisiana-Texas shelf is an adequate and suitable measure for continued efforts to reduce nutrients loads from the Mississippi River and hypoxia in the northern Gulf of Mexico as outlined in the Action Plan. More frequent measurements …


Parameter Estimation For Ornstein-Uhlenbeck Processes Driven By Α-Stable Lévy Motions, Yaozhong Hu, Hongwei Long Aug 2007

Parameter Estimation For Ornstein-Uhlenbeck Processes Driven By Α-Stable Lévy Motions, Yaozhong Hu, Hongwei Long

Communications on Stochastic Analysis

No abstract provided.


Generators Of Dynamical Systems On Hilbert Modules, Gholamreza Abbaspour Tabadkan, Michael Skeide Aug 2007

Generators Of Dynamical Systems On Hilbert Modules, Gholamreza Abbaspour Tabadkan, Michael Skeide

Communications on Stochastic Analysis

No abstract provided.


Space Regularity Of Stochastic Heat Equations Driven By Irregular Gaussian Processes, Oana Mocioalca, Frederi Viens Aug 2007

Space Regularity Of Stochastic Heat Equations Driven By Irregular Gaussian Processes, Oana Mocioalca, Frederi Viens

Communications on Stochastic Analysis

No abstract provided.


Quantum Stochastic Process Associated With Quantum Lévy Laplacian, Un Cig Ji, Habib Ouerdiane, Kimiaki Saitô Aug 2007

Quantum Stochastic Process Associated With Quantum Lévy Laplacian, Un Cig Ji, Habib Ouerdiane, Kimiaki Saitô

Communications on Stochastic Analysis

No abstract provided.


Markov Semigroups And Groups Of Operators, Jerome A Goldstein, Rosa Maria Mininni, Silvia Romanelli Aug 2007

Markov Semigroups And Groups Of Operators, Jerome A Goldstein, Rosa Maria Mininni, Silvia Romanelli

Communications on Stochastic Analysis

No abstract provided.


Convex Comparison Inequalities For Exponential Jump-Diffusion Processes, Jean-Christophe Breton, Nicolas Privault Aug 2007

Convex Comparison Inequalities For Exponential Jump-Diffusion Processes, Jean-Christophe Breton, Nicolas Privault

Communications on Stochastic Analysis

No abstract provided.


Martingale Representation For Contingent Claims With Regime Switching, Robert J Elliott, Tak Kuen Siu, Hailiang Yang Aug 2007

Martingale Representation For Contingent Claims With Regime Switching, Robert J Elliott, Tak Kuen Siu, Hailiang Yang

Communications on Stochastic Analysis

No abstract provided.


White Noise Approach To The Itô Formula For The Stochastic Heat Equation, Alberto Lanconelli Aug 2007

White Noise Approach To The Itô Formula For The Stochastic Heat Equation, Alberto Lanconelli

Communications on Stochastic Analysis

No abstract provided.


Local Approximations For Branching Particle Systems, Vladimir Vinogradov Aug 2007

Local Approximations For Branching Particle Systems, Vladimir Vinogradov

Communications on Stochastic Analysis

No abstract provided.


Quantum Stochastic Calculus On Interacting Fock Spaces: Semimartingale Estimates And Stochastic Integral, Vitonofrio Crismale Aug 2007

Quantum Stochastic Calculus On Interacting Fock Spaces: Semimartingale Estimates And Stochastic Integral, Vitonofrio Crismale

Communications on Stochastic Analysis

No abstract provided.


Novel Synthesis Of Xanthene And Benzoxanthene Dyes, Corin Michelle Schowalter May 2007

Novel Synthesis Of Xanthene And Benzoxanthene Dyes, Corin Michelle Schowalter

Honors Theses

No abstract provided.


Preface Apr 2007

Preface

Communications on Stochastic Analysis

No abstract provided.


Lie Algebras Associated With The Renormalized Higher Powers Of White Noise, Luigi Accardi, Andreas Boukas Apr 2007

Lie Algebras Associated With The Renormalized Higher Powers Of White Noise, Luigi Accardi, Andreas Boukas

Communications on Stochastic Analysis

No abstract provided.


Infinite-Dimensional Parabolic Equations In Gauss-Sobolev Spaces, Pao-Liu Chow Apr 2007

Infinite-Dimensional Parabolic Equations In Gauss-Sobolev Spaces, Pao-Liu Chow

Communications on Stochastic Analysis

No abstract provided.


Dilation Of A Class Of Quantum Dynamical Semigroups, Debashish Goswami, Kalyan B Sinha Apr 2007

Dilation Of A Class Of Quantum Dynamical Semigroups, Debashish Goswami, Kalyan B Sinha

Communications on Stochastic Analysis

No abstract provided.


The Large Scale Behavior Of Super-Brownian Motion In Three Dimensions With A Single Point Source, Klaus Fleischmann, Carl Mueller, Pascal Vogt Apr 2007

The Large Scale Behavior Of Super-Brownian Motion In Three Dimensions With A Single Point Source, Klaus Fleischmann, Carl Mueller, Pascal Vogt

Communications on Stochastic Analysis

No abstract provided.