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Articles 8581 - 8610 of 10406
Full-Text Articles in Entire DC Network
Evaluation Of A Simple Carrier Molecule To Enhance Drug Penetration Of Dermal Layers By Utilizing Multivariate Methods, Structure Property Correlations, And Continuous System Modeling, Ronald Bartzatt
Chemistry Faculty Publications
Nicotinic acid is shown to be comparable to dihydropyridine in its capacity to facilitate penetration of an attached antibacterial drug through dermal layers. Antibacterial drugs examined with nicotinic acid or dihydropyridine carriers were b-lactam antibiotics: methicillin, oxacillin, benzylpenicillin, penicillin F, penicillin dihydro F, propicillin, carbenicillin, penicillin K, penicillin X, and ampicillin. An oxymethyl (-O-CH2-) group is inserted as the linker between the antibiotic and the carrier group. Structure Property Correlations and multivariate methods such as regression analysis, cluster analysis, principal component analysis, discriminate analysis, self-organizing tree algorithm, and factor analysis clearly showed that nicotinic acid performs as an effective carrier …
Grassland Diversity And Productivity: The Interplay Of Resource Availability And Propagule Pools, Bryan L. Foster, Timothy L. Dickson
Grassland Diversity And Productivity: The Interplay Of Resource Availability And Propagule Pools, Bryan L. Foster, Timothy L. Dickson
Biology Faculty Publications
Processes operating at multiple spatial scales govern the structure and functioning of ecological communities. We conducted a resource manipulation and propagule addition experiment in grassland to evaluate the interaction of local resource availability and propagule pools in governing local-scale plant colonization, biodiversity, and above-ground productivity. The availabilities of establishment microsites and water were manipulated in field plots for two years through the application of experimental soil disturbances and irrigation, respectively. Resource manipulations led to increased invasibility of the community, as predicted by the theory of fluctuating resources. Rates of colonization,enhanced by the sowing of 32 grassland species, increased plant diversity …
Graduate Academic Catalog (2004-2005), University Of Nebraska At Omaha
Graduate Academic Catalog (2004-2005), University Of Nebraska At Omaha
Graduate Catalogs
2004-2005 Graduate Catalog
Water Law - The Pump Don't Work Because The Bureau Took The Handle: The United States Bureau Of Reclamation's Discretion To Reduce Water Deliveries To Comply With The Endangered Species Act, Beth Richards
Wyoming Law Review
No abstract provided.
Physical Interaction Between The Invertebrate Photoreceptor-Specific Arrestin Homolog, Phosrestin-I, And Myosin V In Head Of Drosophila Melanogaster, Erik D. Weiss
Yale Medicine Thesis Digital Library
No abstract provided.
Facet Joint Kinematics And Injury Mechanisms During Simulated Whiplash, Adam Mackay Pearson
Facet Joint Kinematics And Injury Mechanisms During Simulated Whiplash, Adam Mackay Pearson
Yale Medicine Thesis Digital Library
No abstract provided.
Co-Localization Of Β1,6-Branched Oligosaccharides And Coarse Melanin In Macrophage-Melanoma Fusion Hybrids And Human Melanoma Cells In Vitro, Reena N. Rupani
Co-Localization Of Β1,6-Branched Oligosaccharides And Coarse Melanin In Macrophage-Melanoma Fusion Hybrids And Human Melanoma Cells In Vitro, Reena N. Rupani
Yale Medicine Thesis Digital Library
No abstract provided.
"Fighting Sioux Women's Basketball 2004-05 Media Guide", University Of North Dakota
"Fighting Sioux Women's Basketball 2004-05 Media Guide", University Of North Dakota
UND Athletics Publications: Women's Basketball
Media guide for the 2004-2005 UND women's basketball team. The guide contains information about the team and its coaches, and was sent to local and regional media outlets.
An Interactive Science Notebook: An Effective Student Resource Tool, Barbara J. Zuber
An Interactive Science Notebook: An Effective Student Resource Tool, Barbara J. Zuber
Mathematical and Computing Sciences Masters
This study aims at determining if an interactive science notebook provides evidence for and facilitates the application of new knowledge. In Science classrooms, notebooks are u.sed in a variety of ways. Even with all the different notebook formats and functions, they are often used ineffectively. Many notebooks are missing evidence of student higher order thinking instead they are repositories of information. Interactive notebooks are one format specifically designed with the function of capturing higher order thinking. An 8th grade accelerated science class will u.se an interactive notebook, modeled after the History Alive interactive notebook. Students will be survey before, during …
Digital Imaging Experiences For Undergraduate Engineering Students, Kauser Jahan, John Chen, Shreekanth Mandayam, Robert Krchnavek, Beena Sukumaran, Yusuf Mehta, Jennifer Kadlowec, Paris Von Lockette, Robi Polikar
Digital Imaging Experiences For Undergraduate Engineering Students, Kauser Jahan, John Chen, Shreekanth Mandayam, Robert Krchnavek, Beena Sukumaran, Yusuf Mehta, Jennifer Kadlowec, Paris Von Lockette, Robi Polikar
Mechanical Engineering
Our project is an effort by a multidisciplinary team of engineering faculty members at Rowan University to integrate digital imaging technology (DIT) into the undergraduate engineering curriculum. It builds upon the experience and interest of faculty to promote new topics and innovative methods of teaching. The work is an effort to provide students with the skills directly relevant to the evolving needs of the industry and the marketplace. Projects involve the development of digital imaging curriculum and focus on the creation of a leading edge digital imaging laboratory/studio to facilitate the use of nontraditional learning approaches that encourage interactive learning, …
Morphological Characteristics And Species Separation Of Hawaiian Postlarval Amphidromous Fishes, M. Eric Benbow, Albert J. Burky, Carl M. Way
Morphological Characteristics And Species Separation Of Hawaiian Postlarval Amphidromous Fishes, M. Eric Benbow, Albert J. Burky, Carl M. Way
Biology Faculty Publications
There are five Hawaiian amphidromous fishes (Gobiidae: Lentipes concolor, Awaous guamensis, Sicyopterus stimpsoni, Stenogobius hawaiiensis; Eleotridae: Eleotris sandwicensis). Amphidromous adults deposit eggs on the stream bottom. After hatching, larvae drift to the ocean for growth followed by postlarval migration back into the streams. Postlarvae were collected to construct a dichotomous identification key based on 12 morphological measures and ray counts from four fins. Overall, the presense of fused pelvic fins, standard length (SL), and fin ray numbers were the most useful in species separation. Gobies were separated from the eleotrid by the former having fused …
The Proteomics Approach To Evolutionary Computation: An Analysis Of Pr, Ivan Garibay
The Proteomics Approach To Evolutionary Computation: An Analysis Of Pr, Ivan Garibay
Electronic Theses and Dissertations
As the complexity of our society and computational resources increases, so does the complexity of the problems that we approach using evolutionary search techniques. There are recent approaches to deal with the problem of scaling evolutionary methods to cope with highly complex difficult problems. Many of these approaches are biologically inspired and share an underlying principle: a problem representation based on basic representational building blocks that interact and self-organize into complex functions or designs. The observation from the central dogma of molecular biology that proteins are the basic building blocks of life and the recent advances in proteomics on analysis …
Design, Fabrication And Testing Of A Shape Memory Alloy Based Cryogenic Thermal Conduction Switch, Vinu Bala Krishnan
Design, Fabrication And Testing Of A Shape Memory Alloy Based Cryogenic Thermal Conduction Switch, Vinu Bala Krishnan
Electronic Theses and Dissertations
Shape memory alloys (SMAs) can recover large strains (e.g., up to 8%) by undergoing a temperature-induced phase transformation. This strain recovery can occur against large forces, resulting in their use as actuators. The SMA elements in such actuators integrate both sensory and actuation functions. This is possible because SMAs can inherently sense a change in temperature and actuate by undergoing a shape change, associated with the temperature-induced phase transformation. The objective of this work is to develop an SMA based cryogenic thermal conduction switch for operation between dewars of liquid methane and liquid oxygen in a common bulk head arrangement …
Synthesis And Polymerization Of Bifunctional Five-Membered Cyclic Dithiocarbonates And Their Use As Stabilizers For Magnetic Nan, Mohammed Daoudi
Synthesis And Polymerization Of Bifunctional Five-Membered Cyclic Dithiocarbonates And Their Use As Stabilizers For Magnetic Nan, Mohammed Daoudi
Electronic Theses and Dissertations
Novel bifunctional five-membered cyclic dithiocarbonates (1,3-oxathiolane-2-thione)s were synthesized by the reactions of the corresponding bifunctional oxiranes (epoxides) with carbon disulfide at room temperature with lithium bromide as catalyst. Full characterization of these monomers was performed including elemental analysis, proton and carbon nuclear magnetic resonance (NMR) spectroscopy, gas chromatography-mass spectroscopy, and Fourier transmission infrared (FTIR) spectroscopy. The polyaddition polymerization of 1,3-oxathiolane-2-thione with 1,4-diaminobutane at room temperature resulted in a poly(thiourethane) material. The latter undergoes crosslinking due probably to the autooxidation of the product and formation of disulfide linkages. The five-membered cyclic dithiocarbonate, 5-decyl-1,3-oxathiolane-2-thione, was used a model to demonstrate the usefulness …
Synthesis Of A Novel Family Of Amide Derivatives Of Podocarpic Acid, Dao Nguyen
Synthesis Of A Novel Family Of Amide Derivatives Of Podocarpic Acid, Dao Nguyen
Electronic Theses and Dissertations
As a class, amides are of great interest in biological studies and pharmaceutical application. In this work, podocarpic acid, a natural tricyclic diterpene, derived from Podocarpus species, has been employed to form a novel family of amide derivatives which will later be studied for their potential as new drug leads. Novel amide derivatives of podocarpic acid were synthesized from podocarpic acid in three steps. The first step involved methylation with dimethylsulfate to form methyl-O-methylpodocarpate. This step was followed by iodination with iodine to give iodomethyl-O-methylpodocarpate. Finally amidation with various aliphatic amides using a copper catalyst yielded four amide derivatives of …
Affordances In The Design Of Virtual Environments, David Charles Gross
Affordances In The Design Of Virtual Environments, David Charles Gross
Electronic Theses and Dissertations
Human-computer interaction design principles largely focus on static representations and have yet to fully incorporate theories of perception appropriate for the dynamic multimodal interactions inherent to virtual environment (VE) interaction. Theories of direct perception, in particular affordance theory, may prove particularly relevant to enhancing VE interaction design. The present research constructs a conceptual model of how affordances are realized in the natural world and how lack of sensory stimuli may lead to realization failures in virtual environments. Implications of the model were empirically investigated by examining three affordances: passability, catchability, and flyability. The experimental design involved four factors for each …
Effect Of Source Water Blending On Copper Release In Pipe Distribution System: Thermodynamic And Empirical Models, Weizhong Xiao
Effect Of Source Water Blending On Copper Release In Pipe Distribution System: Thermodynamic And Empirical Models, Weizhong Xiao
Electronic Theses and Dissertations
This dissertation focuses on copper release in drinking water. Qualitative and quantitative assessment of Cu and Fe corrosion by process water quality was assessed over one year in a field study using finished waters produced from seven different treatment process and eighteen pilot distribution systems (PDSs) that were made from unlined cast iron and galvanized steel pipes, and lined cement and PVC pipes taken from actual distribution systems. Totally seven different waters were studied, which consisted of three source waters: groundwater, surface, and simulated brackish water designated as G1, S1, and RO. With certain pre-established blending ratios, these three waters …
Consequences Of Reservoir Drainage On Downstream Water Chemistry, Suspended Sediment, And Nutrients, Southwest Missouri, Mark W. Bowen
Consequences Of Reservoir Drainage On Downstream Water Chemistry, Suspended Sediment, And Nutrients, Southwest Missouri, Mark W. Bowen
Graduate Theses/Dissertations
Construction and subsequent draining of reservoirs can have dramatic affects on the release of nutrients and sediments to waterways. This study describes how the temporary draining of a small reservoir for dam repair influences downstream water quality. The Valley Mill Reservoir has a surface area of 6.1 hectares and volume of 150,000 m3 when filled. Water chemistry monitoring and water sampling were performed at six sites during baseflow and ten sites during runoff events for one year. Water samples were analyzed for total nitrogen (TN), total phosphorous (TP), and total suspended sediment (TSS) concentrations. Results indicate that draining of Valley …
Dordt College 2004-2005 Catalog, Dordt College. Registrar's Office
Dordt College 2004-2005 Catalog, Dordt College. Registrar's Office
Academic Catalogs
Academic Catalog for 2004-05
What Are The Impacts Of Global Warming On U.S. Forests, Regions, And The U.S. Timber Industry, Roger A. Sedjo, Brent Sohngen
What Are The Impacts Of Global Warming On U.S. Forests, Regions, And The U.S. Timber Industry, Roger A. Sedjo, Brent Sohngen
Penn State Environmental Law Review (1991 - 2011)
No abstract provided.
Defending Against The Fourth Horse: The Endangered Species Act And The Threat Of Communicable Disease, Jonathan Coy
Defending Against The Fourth Horse: The Endangered Species Act And The Threat Of Communicable Disease, Jonathan Coy
Penn State Environmental Law Review (1991 - 2011)
No abstract provided.
What Does A Fair Society Owe Children - And Their Parents?, Anne L. Alstott
What Does A Fair Society Owe Children - And Their Parents?, Anne L. Alstott
Fordham Law Review
No abstract provided.
Gender, Justice And Gender: An Unfinished Debate, Susan Moller Okin
Gender, Justice And Gender: An Unfinished Debate, Susan Moller Okin
Fordham Law Review
No abstract provided.
Euclid Lives? The Uneasy Legacy Of Progressivism In Zoning, Eric R. Claeys
Euclid Lives? The Uneasy Legacy Of Progressivism In Zoning, Eric R. Claeys
Fordham Law Review
No abstract provided.
Method Analysis Of Laboratory Measures Of Stream Sediment And Water Phosphorus Equilibrium, Anna L. Erickson, Stephanie M. Williamson, Brian E. Haggard
Method Analysis Of Laboratory Measures Of Stream Sediment And Water Phosphorus Equilibrium, Anna L. Erickson, Stephanie M. Williamson, Brian E. Haggard
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Elevated phosphorus concentrations in aquatic ecosystems of northwest Arkansas prompted an investigation of the effects of sample preparation and extraction methods on laboratory measures of sediment-phosphorus interactions. Two streams of contrasting phosphorus (P) concentrations were selected to determine the effect of using a CaCl2 solution instead of filtered stream water, refrigerated or dried sediments instead of fresh wet sediments, and vortexing the suspensions instead of shaking them. Sediment equilibrium P concentration (EPC0) and P buffering capacity (K) were used to determine differences in extraction methods. EPC0 and K from extractions using fresh sediments and a CaCl2 solution matching the electrical …
Factors Associated With Student Grades In Animal Physiology I, Margo Hale, Charles Rosenkrans
Factors Associated With Student Grades In Animal Physiology I, Margo Hale, Charles Rosenkrans
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Students and faculty alike would like to know what factors are related to success in college courses. The purpose of this study was to evaluate factors that relate to a student’s success in Animal Physiology I (Phys I), an upper-level animal science course at the University of Arkansas. Student data were confidentially collected and coded. Data collected were student high school grade point average (HSGPA); composite ACT score; English, reading, math, and science subscores on the ACT; and student grades in English composition I and II, college algebra, chemistry, biology, microbiology, animal physiology II, and reproductive physiology. Prematriculation performance confirmed …
Assessment And Restoration Of A Neighborhood Wetland Invaded By Exotic Plant Species, Ryan Neal, Kimberly R. Payne, Lorena Moreno, Graham Duffy, Jonathan Peck, Mary C. Savin
Assessment And Restoration Of A Neighborhood Wetland Invaded By Exotic Plant Species, Ryan Neal, Kimberly R. Payne, Lorena Moreno, Graham Duffy, Jonathan Peck, Mary C. Savin
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
The University of Arkansas Crop, Soil, and Environmental Sciences (CSES) Club adopted a local wetland in the spring of 2002 through the Fayetteville Parks and Recreation Department. This project has allowed students to interact with local community and governmental organizations as well as other academic departments within the university. Students have gained valuable laboratory and field experience through characterizing hydric soils, identifying bird and plant species, and analyzing water quality, soil nutrients, and microbial biomass. Under the main goal of restoring the wetland, the club has outlined both short and long-term objectives including soil and water assessments; removal of two …
Instructions For Authors, Discovery Editors
Instructions For Authors, Discovery Editors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Hedonic Psychology, Political Theory, And Law: Is Welfarism Possible?, Mark Kelman
Hedonic Psychology, Political Theory, And Law: Is Welfarism Possible?, Mark Kelman
Buffalo Law Review
No abstract provided.
A Double Due Process Denial: The Crime Of Providing Material Support Or Resources To Designated Foreign Terrorist Organizations, Randolph N. Jonakait
A Double Due Process Denial: The Crime Of Providing Material Support Or Resources To Designated Foreign Terrorist Organizations, Randolph N. Jonakait
NYLS Law Review
No abstract provided.