Index Catalog // ScholarsArchive@OSU

Pharmacokinetic modeling and simulations of gastrointestinal transit effects on drug pharmacokinetics from enteric-coated pellet formulations and their applications

Creator:: Watanalumlerd, Prapoch
Abstract:: Effects of gastrointestinal transit on plasma concentrations of drugs from enteric-coated pellet formulations were demonstrated using pharmacokinetic models describing plasma concentrations of drugs from various enteric-coated pellet formulations. Gastric emptying time, lag time of emptying, and drug release rate from pellets in the small intestine, along with other pharmacokinetic parameters...
Resource Type:: Dissertation
Full Text:: thank Dr. Daniel W. Schafer of the Department of Statistics and Dr. Thomas F. Savage of the Department

Propensity score adjustments using covariates in observational studies

Creator:: Yang, Daniel K.
Abstract:: In this thesis we develop a theoretical framework for the identification of situations where the equal frequency (EF) or equal variance (EV) subclassification may produce lower bias and/or variance of the estimator. We conduct simulation studies to examine the EF and EV approaches under different types of model misspecification. We...
Resource Type:: Dissertation
Full Text:: dissertation preparation, and for serving on my committee. I offer special thanks to Dr. Daniel W. Schafer

Effectiveness of curve advisory speed signs : a characterization of road operations in western Oregon

Creator:: Avelar Morán, Raúl Eduardo
Abstract:: Posting advisory speed signs at sharp horizontal curve locations is a common practice in the U.S. These signs recommend drivers safe speeds to negotiate such curves. Literature indicates that adherence to advisory speeds is, in general, poor. Moreover, limited research is available that quantifies safety implications of these signs. This...
Resource Type:: Masters Thesis
Full Text:: and Rohani. Source: Karen K. Dixon, Joshan W. Rohani, SPR 641: Methodologies for Estimating

Examination of imputation methods to estimate status and change of forest attributes from paneled inventory data

Creator:: Eskelson, Bianca N. I.
Abstract:: The Forest Inventory and Analysis (FIA) program conducts an annual inventory throughout the United States. In the western United States, 10% of all plots (one panel) are measured annually, and a moving average is used for estimating current condition and change of forest attributes while alternative methods are sought in...
Resource Type:: Dissertation
Full Text:: thanks to my doctoral committee composed of Drs. Tara Barrett, David Hann, Daniel Schafer, and Steven

Using percentile regression for estimating the maximum species richness line

Creator:: Qadir, Mohammad F.
Resource Type:: Dissertation
Full Text:: members, Drs. David R. Thomas, Daniel W. Schafer, Paul A. Martaugh, Dawn Petters, and Robert A. Duncan

The study of pharmacokinetics in a clinical environment

Creator:: Tse, Sunny
Abstract:: This dissertation presents a research series demonstrating the use of pharmacokinetic modeling and simulations as tools to assess drug concentration and disposition in patient populations. For drugs requiring therapeutic drug monitoring, these tools are necessary to ensure patients are receiving a safe and effective dose of medication to address their...
Resource Type:: Dissertation
Full Text:: . Abstract approved: James W. Ayres This dissertation presents a research series

Likelihood analysis of the multivariate ordinal probit model for repeated and spatial ordered categorical responses

Creator:: Li, Yonghai
Abstract:: This dissertation is about the likelihood analysis of ordered categorical responses in a longitudinal/spatial study, meaning regression-like analysis when the response variable is categorical with ordered categories, and is measured repeatedly over time or space on the experimental or sampling units. Particular attention is given to the multivariate ordinal probit...
Resource Type:: Dissertation
Full Text:: : __________________________ Daniel W. Schafer This dissertation is about the

Nucleate boiling of various fluids in a thermosiphon reboiler

Creator:: Oufer, Lounes
Abstract:: A study of nucleate boiling of water, four alcohols and three ethanol-water mixtures was conducted in a vertical thermosiphon reboiler. The test section consisted of a 1/2- inch diameter electrically heated stainless-steel rod jacketed by a 15-inch long pyrex glass tube. Two different inside diameters of the glass tube corresponding...
Resource Type:: Masters Thesis
Full Text:: for his useful recommendations during the statistical analysis of the data. Dr. D. Schafer and Dr

The relationship between burnout and selected demographic and job-related variables among Oregon public school teacher-coaches : identifying coping strategies

Creator:: Kosa, Boonsong
Abstract:: The purposes of this study were to determine relationships between burnout and selected demographic and job-related variables and to identify burnout coping strategies commonly used by teacher-coaches in public secondary schools. A volunteer sample of 193 teacher-coaches responded to a three-section questionnaire composed of the Maslach Burnout Inventory, the Jaloweic...
Resource Type:: Dissertation
Full Text:: graduate student; Dr. Kathleen Heath, Dr. Daniel Schafer, Dr. Carvel Wood, Dr. Christian Zauner who were

Quantifying product development efforts : a methodology

Creator:: Boer, Michael R.
Abstract:: Product development efforts are extremely important to a company's success in today's global competitive business environment. Yet, these highly consequential efforts are terribly nebulous to a point that past experiences are inherently underutilized. This thesis demonstrates a methodology to quantify past product development efforts in an attempt to better utilize...
Resource Type:: Masters Thesis
Full Text:: . Thomas West, Dr. Daniel Schafer, and Dr. Terence Brown, for taking time out of their busy schedules to

ScholarsArchive@OSU

Pharmacokinetic modeling and simulations of gastrointestinal transit effects on drug pharmacokinetics from enteric-coated pellet formulations and their applications

Propensity score adjustments using covariates in observational studies

Effectiveness of curve advisory speed signs : a characterization of road operations in western Oregon

Examination of imputation methods to estimate status and change of forest attributes from paneled inventory data

Using percentile regression for estimating the maximum species richness line

The study of pharmacokinetics in a clinical environment

Likelihood analysis of the multivariate ordinal probit model for repeated and spatial ordered categorical responses

Nucleate boiling of various fluids in a thermosiphon reboiler

The relationship between burnout and selected demographic and job-related variables among Oregon public school teacher-coaches : identifying coping strategies

Quantifying product development efforts : a methodology

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