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2013

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Pyrolysis Of Acrylonitrile-Butadiene-Styrene (Abs) Under High Heat Flux Conditions, James R. Wilson Dec 2013

Pyrolysis Of Acrylonitrile-Butadiene-Styrene (Abs) Under High Heat Flux Conditions, James R. Wilson

All Graduate Plan B and other Reports, Spring 1920 to Spring 2023

Acrylonitrile-butadiene-styrene (ABS) is a common industrial plastic that is widely used for structural and piping applications. Additionally, within the past decade ABS has become the most popular material used in a type of rapid prototyping known as fused- deposition modeling (FDM). Within the past three years, ABS plastic blends have also been investigated as a potential fuel for hybrid- and solid-propelled rocket systems, exhibiting promising results. Because the use of ABS as a rocket propellant is very recent, a pyrolysis database, describing how ABS will burn, at the temperatures and heating rates experienced by rocket systems does not exist. Previous …

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Creating A Maturity Model For Business Intelligence In Healthcare, Patti Brooks Dec 2013

Creating A Maturity Model For Business Intelligence In Healthcare, Patti Brooks

Masters Theses & Doctoral Dissertations

Healthcare is a very complex, knowledge-driven industry. The accumulation of data is quickly outpacing the capacity to use the information to improve the efficiency and quality of healthcare. At the same time, the demand for higher level knowledge to manage consumer information and to predict outcomes of care continues to rise. Business intelligence (BI) can help organizations improve efficiency in managing information and can provide decision makers with timely and accurate information. The use of a business intelligence maturity model can provide organizations with a systematic method for assessing their maturity level relative to important process areas critical to the …

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M-Learning Android Application, Krishna Mohan Rao Dontineni Venkata Dec 2013

M-Learning Android Application, Krishna Mohan Rao Dontineni Venkata

Masters Theses & Doctoral Dissertations

M-Learning is a mobile application which is developed for Android mobile Operating System. Android is nothing but a stack of software's for mobile devices which consists of applications, middleware and operating system. To start developing applications for android powered mobile devices we need tools and APIs, which are provided by the Android SDK. I used core java for developing the server part (back end) of the project. For storing all the user details and videos I used MySQL database. By using M-Learning application a registered user can access all the videos in the database at free of cost. User can …

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Evaluation Of Arsenic And Selenium Quantitation In Marcellus Shales And Flowback Saline Waters Using Thiol Cotton Fibre-Graphite Furnace Atomic Absorption Spectroscopy And Diffusive Gradient In Thin Film Techniques, Ronald S. Balaba Dec 2013

Evaluation Of Arsenic And Selenium Quantitation In Marcellus Shales And Flowback Saline Waters Using Thiol Cotton Fibre-Graphite Furnace Atomic Absorption Spectroscopy And Diffusive Gradient In Thin Film Techniques, Ronald S. Balaba

Graduate Theses, Dissertations, and Problem Reports (ETD)

Trace levels of arsenic and selenium can be toxic to living organisms yet their quantitation in high ionic strength or high salinity aqueous media is difficult due to the matrix interferences which can either suppress or enhance the analyte signal. The objective of this proposed study has been to apply and/or modify inexpensive, simple, and interference-free analytical methods for the sub-ppb to ppb quantification of both inorganic and bioavailable arsenic and selenium fractions in highly saline/salty waters such as flowback wastewater produced from natural gas well drilling sites in the Marcellus shale and/or simulated or artificial high-salinity prepared from deionized …

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Analytical And Computational Study Of Flame Acceleration In Tubes: Effect Of Wall Friction, Berk Demirgok Dec 2013

Analytical And Computational Study Of Flame Acceleration In Tubes: Effect Of Wall Friction, Berk Demirgok

Graduate Theses, Dissertations, and Problem Reports (ETD)

Premixed flame acceleration is especially strong in the case of flame propagation in tubes or channels. Being a reasonably simple configuration to investigate fundamental flame properties, combustion tubes have numerous practical applications such as safety issues in mines, subways and power plants. This work is devoted to the analytical formulation and computational simulations of premixed flame acceleration induced by wall friction in tubes/channels. Specifically, the evolution of the flame dynamics and morphology is determined, and the main characteristics of the flame acceleration such as the flame shape and propagation speed, the acceleration rate as well as the combustion-generated velocity profile …

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Pedagogical Approaches To "Down By The Riverside" And "Winnsboro Cotton Mill Blues" From North American Ballads By Frederic Rzewski, Sun Jung Lee Dec 2013

Pedagogical Approaches To "Down By The Riverside" And "Winnsboro Cotton Mill Blues" From North American Ballads By Frederic Rzewski, Sun Jung Lee

Graduate Theses, Dissertations, and Problem Reports (ETD)

"Down by the Riverside" and "Winnsboro Cotton Mill Blues," by Frederic Rzewski (1937 - present), are the third and fourth ballads, respectively, of the four that comprise his North American Ballads, completed in 1979. These two pieces are often performed together, without the first two ballads, perhaps because they seem to appeal to a wider audience, due to Rzewski's incorporation of familiar musical elements including folk music, jazz, blues, and improvisation.;These are impressive works which require a high level of skill from the pianist; this may also contribute to the frequency with which they are programmed for performance in recitals …

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Temporal, Spatial, And Environmental Influences On The Demographics And Harvest Vulnerability Of American Black Bears (Ursus Americanus ) In Urban Habitats In New Jersey, Pennsylvania And West Virginia, Andrew Tri Dec 2013

Temporal, Spatial, And Environmental Influences On The Demographics And Harvest Vulnerability Of American Black Bears (Ursus Americanus ) In Urban Habitats In New Jersey, Pennsylvania And West Virginia, Andrew Tri

Graduate Theses, Dissertations, and Problem Reports (ETD)

To date, no research studies in the eastern United States have addressed the spatial ecology of black bears (Ursus americanus) in urban and suburban habitats, and there is limited information regarding black bear space use, habitat selection, and harvest vulnerability. I assessed the harvest vulnerability, home range size, and spatial ecology of black bears in New Jersey, Pennsylvania, and West Virginia in collaboration with the New Jersey Division of Fish and Wildlife, Pennsylvania Game Commission, and the West Virginia Division of Natural Resources. The major objectives of my study were to identify and quantitatively assess: (1) if black bears shift …

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Determining Transportation And Development Impacts Of Consolidated Schools In West Virginia, Bradley J. Dicola Dec 2013

Determining Transportation And Development Impacts Of Consolidated Schools In West Virginia, Bradley J. Dicola

Graduate Theses, Dissertations, and Problem Reports (ETD)

School consolidation has become commonplace in the West Virginia, with a declining student population as West Virginia has lost population over the last several decades. Consolidated schools offer school districts the opportunity to provide greater offerings in terms of coursework and extracurricular activities, while also allowing a reduction in some operating costs since fewer facilities are maintained and few administrative staff are needed to operate them. Consolidation also has impacts on school transportation, both in terms of time and mode choice, as well as the impact on land use patterns around the consolidated school facility.;This research seeks to help quantify …

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Improving Opportunities For Small Flock Egg Production And Proper Evaluation Of Glucanase For Commercial Poultry, Angela Elsie Lamp Dec 2013

Improving Opportunities For Small Flock Egg Production And Proper Evaluation Of Glucanase For Commercial Poultry, Angela Elsie Lamp

Graduate Theses, Dissertations, and Problem Reports (ETD)

Consumers of pastured hen eggs have justified paying an associated premium price because they perceive animal welfare, sustainability, and nutrition are enhanced compared to conventionally produced eggs. The objective of Study 1 (Chapter 2) was to implement practical management strategies to increase eicosapentaenoic acid (EPA) and docosahexaenoic acid ( DHA) composition of eggs (Experiment 1) and to determine if the same diet formulation would produce an enhanced EPA and DHA egg composition and effect hen health when pasture access and hen breed varied (Experiment 2). For Experiment 1, four dietary treatments were utilized: 1) Basal, 2) Basal + 0.5% Sardine …

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Grazing Impacts On Sediment Production And Runoff From Single And Mixed Species Grazing, Brittany Parks Dec 2013

Grazing Impacts On Sediment Production And Runoff From Single And Mixed Species Grazing, Brittany Parks

Graduate Theses, Dissertations, and Problem Reports (ETD)

With growing human populations, we need to produce more food. Food production requires growing crops and raising livestock with existing and suitable land resources, potentially causing nutrient (phosphorus (P) and nitrogen (N)) pollution. For purposes of this study, the runoff potential for the mixed and single species grassland grazing will be examined. Mixed species grazing refers to cattle and sheep grazing concurrently in the same area; while single species grazing refers to cattle grazing alone. Understanding the environmental effects of mixed grazing as compared to a single species grazing systems will help to improve farming and agricultural practices that increase …

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Modeling And Recognizing Binary Human Interactions, Ke Feng Dec 2013

Modeling And Recognizing Binary Human Interactions, Ke Feng

Graduate Theses, Dissertations, and Problem Reports (ETD)

Recognizing human activities from video is an important step forward towards the long-term goal of performing scene understanding fully automatically. Applications in this domain include, but are not limited to, the automated analysis of video surveillance footage for public and private monitoring, remote patient and elderly home monitoring, video archiving, search and retrieval, human-computer interaction, and robotics. While recent years have seen a concentration of works focusing on modeling and recognizing either group activities, or actions performed by people in isolation, modeling and recognizing binary human-human interactions is a fundamental building block that only recently has started to catalyze the …

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The Effects Of Artificial Photoperiod On Age At Puberty In Fall-Born Ewe Lambs, Matthew Lewis Deacon Dec 2013

The Effects Of Artificial Photoperiod On Age At Puberty In Fall-Born Ewe Lambs, Matthew Lewis Deacon

Graduate Theses, Dissertations, and Problem Reports (ETD)

A study, conducted in two replicates, examined the effects of an artificial photoperiod on puberty in fall-born ewe lambs. Replicate I was initiated in December 2011 with prepubertal Dorset ewe lambs (n = 44). Replicate II was initiated beginning in December 2012 and included prepubertal Dorset, Suffolk x Dorset and Texel x Dorset ewe lambs (n = 52). All lambs were weighed at the initiation of each replicate and randomized to one of two treatments, control or treated, based on age, weight, breed and type of birth and rearing. Control ewe lambs were housed in a barn with exposure to …

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Effects Of Fixed And Mixed Delays On Responding Under Variable-Interval Schedules, James E. Cook Dec 2013

Effects Of Fixed And Mixed Delays On Responding Under Variable-Interval Schedules, James E. Cook

Graduate Theses, Dissertations, and Problem Reports (ETD)

Delays to reinforcement are ubiquitous in the natural environment, where those delays often vary. Still, most research examining delayed reinforcement has focused only on fixed delays. Little research has examined the effects of variable delays. Nonresetting fixed and mixed delays to reinforcement were imposed on the responding of 4 pigeons previously maintained on a multiple variable-interval (VI) VI schedule of immediate reinforcement. Mixed delays consisted of two alternating delay values, the mean of which equaled the value of the fixed delay. A progressive delay procedure was used, in which delay durations increased across successive sessions. Conditions included using unsignaled (Mixed-Change) …

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Effect Of Head Width, Head Height And Clamp Force On The Noise Reduction Provided By Two Different Styles Of Earmuffs, Jonathan R. Lewin Dec 2013

Effect Of Head Width, Head Height And Clamp Force On The Noise Reduction Provided By Two Different Styles Of Earmuffs, Jonathan R. Lewin

Graduate Theses, Dissertations, and Problem Reports (ETD)

Earmuffs provide necessary protection from the hazardous effects of noise for workers and the general population. The wearability and effectiveness of these devices is crucial for protection of hearing in noisy conditions. One component critical to the function of the earmuff is the clamp force that keeps the earmuff securely against the head and around the pinna. This clamp force must be high enough to provide a good seal, but not so high that it makes the muff uncomfortable. This study investigated the relationship between noise reduction (NR) and the force on the ear. This force was incrementally varied by …

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Microbial Genome Evolution Due To Multifaceted Symbiosis Within The Tsetse Fly (Diptera: Glossinidae), Anna Kathleen Snyder Dec 2013

Microbial Genome Evolution Due To Multifaceted Symbiosis Within The Tsetse Fly (Diptera: Glossinidae), Anna Kathleen Snyder

Graduate Theses, Dissertations, and Problem Reports (ETD)

Microbes are capable of rapid genetic modification, enabling the habitation of a wide field of niches, including forming interdependent associations with macroscopic hosts. While ancient multipartite mutualisms have been shown to involve metabolic complementation, little is known concerning the early genomic adaptations leading towards co-residence within a novel host. The overall objective of this research is to gain insight on genome evolution resulting from symbiosis, particularly by examining bacteria with varying levels of host dependency and times of establishment. The tsetse fly (Diptera: Glossinidae) serves as a relatively simple model system to investigate evolutionary aspects of symbiosis, while also maintaining …

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Machine-Vision-Based Pose Estimation System Using Sensor Fusion For Autonomous Satellite Grappling, Andres Felipe Velasquez Escandon Dec 2013

Machine-Vision-Based Pose Estimation System Using Sensor Fusion For Autonomous Satellite Grappling, Andres Felipe Velasquez Escandon

Graduate Theses, Dissertations, and Problem Reports (ETD)

When capturing a non-cooperative satellite during an on-orbit satellite servicing mission, the position and orientation (pose) of the satellite with respect to the servicing vessel is required in order to guide the robotic arm of the vessel towards the satellite. The main objective of this research is the development of a machine vision-based pose estimation system for capturing a non-cooperative satellite. The proposed system finds the satellite pose using three types of natural geometric features: circles, lines and points, and it merges data from two monocular cameras and three different algorithms (one for each type of geometric feature) to increase …

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Floc-Spanner: An O(1) Time, Locally Self-Stabilizing Algorithm For Geometric Spanner Construction In A Wireless Sensor Network, Goutham Ranganath Dec 2013

Floc-Spanner: An O(1) Time, Locally Self-Stabilizing Algorithm For Geometric Spanner Construction In A Wireless Sensor Network, Goutham Ranganath

Graduate Theses, Dissertations, and Problem Reports (ETD)

Geometric spanners are a popular form of topology control in wireless networks because they yield an efficient, reduced interference subgraph for both unicast and broadcast routing.;In this thesis work a distributed algorithm for creation of geometric spanners in a wireless sensor network is presented. Given any connected network, we show that the algorithm terminates in O(1) time, irrespective of network size. Our algorithm uses an underlying clustering algorithm as a foundation for creating spanners, and only relies on the periodic heartbeat messages associated with cluster maintenance for the creation of the spanners. The algorithm is also shown to stabilize locally …

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Composite Multifunctional Lithium Ion Batteries, Joshua Mullenax Dec 2013

Composite Multifunctional Lithium Ion Batteries, Joshua Mullenax

Graduate Theses, Dissertations, and Problem Reports (ETD)

The goal of this work was to design a battery that serves as the structural material as well as the power source for a transportation vehicle. The combination of both mechanical and electrochemical aspects within one material defines the component as a multifunctional material, or in this case, a multifunctional battery. The design of the composite multifunctional batteries for optimal performance involves the proper selection of the materials, architecture, and electrical interconnection. The ultimate goal is to incorporate a battery with a continuous composite fibrous fabric within the structured composite skin of a vehicle (such as an automobile or aircraft).;This …

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Human Action Recognition In Still Images, Biyun Lai Dec 2013

Human Action Recognition In Still Images, Biyun Lai

Graduate Theses, Dissertations, and Problem Reports (ETD)

Recently still image-based human action recognition has become an active research topic in computer vision and pattern recognition. It focuses on identifying a person's action or behavior from a single image. Unlike the traditional action recognition approaches where videos or image sequences are used, a still image contains no temporal information for action characterization. It is more challenging to perform still image-based action recognition than the video-based, given the limited source of information as well as the cluttered background for images collected from the Internet.;Based on the emerging research in recent years, we dig into all possible cues from a …

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Wind And Wake Sensing With Uav Formation Flight: System Development And Flight Testing, Trenton Jameson Larrabee Dec 2013

Wind And Wake Sensing With Uav Formation Flight: System Development And Flight Testing, Trenton Jameson Larrabee

Graduate Theses, Dissertations, and Problem Reports (ETD)

Wind turbulence including atmospheric turbulence and wake turbulence have been widely investigated; however, only recently it become possible to use Unmanned Aerial Vehicles (UAVs) as a validation tool for research in this area. Wind can be a major contributing factor of adverse weather for aircraft. More importantly, it is an even greater risk towards UAVs because of their small size and weight. Being able to estimate wind fields and gusts can potentially provide substantial benefits for both unmanned and manned aviation. Possible applications include gust suppression for improving handling qualities, a better warning system for high wind encounters, and enhanced …

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Correlation Of Photocatalytic Activity With Band Structure Of Low-Dimensional Semiconductor Nanostructures, Fanke Meng Dec 2013

Correlation Of Photocatalytic Activity With Band Structure Of Low-Dimensional Semiconductor Nanostructures, Fanke Meng

Graduate Theses, Dissertations, and Problem Reports (ETD)

Photocatalytic hydrogen generation by water splitting is a promising technique to produce clean and renewable solar fuel. The development of effective semiconductor photocatalysts to obtain efficient photocatalytic activity is the key objective. However, two critical reasons prevent wide applications of semiconductor photocatalysts: low light usage efficiency and high rates of charge recombination. In this dissertation, several low-dimensional semiconductors were synthesized with hydrothermal, hydrolysis, and chemical impregnation methods. The band structures of the low-dimensional semiconductor materials were engineered to overcome the above mentioned two shortcomings. In addition, the correlation between the photocatalytic activity of the low-dimensional semiconductor materials and their band …

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Multiwavelength Studies Of Rotating Radio Transients, Joshua J. Miller Dec 2013

Multiwavelength Studies Of Rotating Radio Transients, Joshua J. Miller

Graduate Theses, Dissertations, and Problem Reports (ETD)

Seven years ago, a new class of pulsars called the Rotating Radio Transients (RRATs) was discovered with the Parkes radio telescope in Australia (McLaughlin et al., 2006). These neutron stars are characterized by strong radio bursts at repeatable dispersion measures, but not detectable using standard periodicity-search algorithms. We now know of roughly 100 of these objects, discovered in new surveys and re-analysis of archival survey data. They generally have longer periods than those of the normal pulsar population, and several have high magnetic fields, similar to those other neutron star populations like the X-ray bright magnetars. However, some of the …

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The Science Of Team Science: Exploring Principal Investigator Leadership Style And Team Collaboration Satisfaction, Stephenie K. Kennedy Dec 2013

The Science Of Team Science: Exploring Principal Investigator Leadership Style And Team Collaboration Satisfaction, Stephenie K. Kennedy

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study examined the relationship between the leadership style of principal investigators (PIs) of interdisciplinary research teams at academic health science centers and the collaboration satisfaction of their team members. Two stage sampling was used. One hundred NIH-funded principal investigators at eight regional health science centers completed a team identification form, identifying their teams as interdisciplinary and providing the names and emails of team members. An online survey instrument that included a basic demographic questionnaire, the Bolman and Deal Leadership (Others) Survey, and the Collaboration and Transdisciplinary Integration Survey was then sent to team members. The sample used for analysis …

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A Base Modulated Synthesis Of Indoles And Quinolines, An Expedient Synthesis Of Salviadione, And Chemoselective Couplings En Route To Indoles And Pyrroloindoles, Matthew Marshall Cummings Dec 2013

A Base Modulated Synthesis Of Indoles And Quinolines, An Expedient Synthesis Of Salviadione, And Chemoselective Couplings En Route To Indoles And Pyrroloindoles, Matthew Marshall Cummings

Graduate Theses, Dissertations, and Problem Reports (ETD)

Palladium-catalyzed reductive N-heteroannulation of ortho-nitrostyrenes has become a synthetically useful method for the construction of indoles and indole-based heterocycles. Soderberg's elaboration of this methodology has been utilized in the synthesis of indoles and quinolines from a common precursor. The same protocol has also been employed in the synthesis of the indole alkaloid Salviadione. A systematic investigation of chemoselectivity in Kosugi-Migita-Stille coupling reactions provided the basis for the synthesis of isomeric pyrroloindoles through palladium-catalyzed reductive double N-heteroannulation of dinitro-dialkenyl benzenes.

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Exploring The Mechanism Of Shp2 And Egfr/Her2 Cooperation In Breast Cancer Cell Signaling, Zachary Raymond Hartman Dec 2013

Exploring The Mechanism Of Shp2 And Egfr/Her2 Cooperation In Breast Cancer Cell Signaling, Zachary Raymond Hartman

Graduate Theses, Dissertations, and Problem Reports (ETD)

The Src homology 2-containing protein tyrosine phosphatase 2 (SHP2) has been established as a critical mediator of cancer-related cell signaling downstream of receptor tyrosine kinases like EGFR and HER2. As such, targeting of SHP2 is being recognized as a potentially viable therapeutic option in HER2-positive and triple-negative breast cancers. In this report, I employed molecular and cellular biology techniques to further elucidate the role of SHP2 downstream of receptor tyrosine kinases in breast cancer cell lines. In this way, I was able to contribute knowledge to how SHP2 controls triple-negative cell motility. In addition, the mechanism of SHP2 control of …

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A Pilot Study To Develop A Cognitive Intervention To Support Dementia Caregivers: A Focus Group Of Caregivers Caring For Persons With Dementia As Informants, Abir K. Bekhet, Karie R. Kobiske Dec 2013

A Pilot Study To Develop A Cognitive Intervention To Support Dementia Caregivers: A Focus Group Of Caregivers Caring For Persons With Dementia As Informants, Abir K. Bekhet, Karie R. Kobiske

College of Nursing Faculty Research and Publications

No abstract provided.

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Finite Element Analysis Of Frp Debonding Failure At The Tip Of Flexural/Shear Crack In Concrete Beam, Tayyebeh Mohammadi, Baolin Wan, Kent Harries Dec 2013

Finite Element Analysis Of Frp Debonding Failure At The Tip Of Flexural/Shear Crack In Concrete Beam, Tayyebeh Mohammadi, Baolin Wan, Kent Harries

Civil and Environmental Engineering Faculty Research and Publications

One of the most common failure modes of strengthened RC beams with externally bonded FRP is intermediate crack (IC) debonding of FRP initiated at the tip of flexural/shear cracks. This study presents a method, using extended finite element method (XFEM), to model IC debonding in an FRP-strengthened concrete beam. In XFEM, as soon as a damage initiation criterion is reached in an element, additional degrees of element freedom are added to model crack initiation. Crack propagation is then modeled using fracture energy criterion. This method can be used to simulate debonding failure along an arbitrary, solution-dependent path without the requirement …

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Heavy Vehicle Performance During Recovery From Forced-Flow Urban Freeway Conditions Due To Incidents, Work Zones And Recurring Congestion, Alexander Drakopoulos, Yue Liu, Alan Horowitz Dec 2013

Heavy Vehicle Performance During Recovery From Forced-Flow Urban Freeway Conditions Due To Incidents, Work Zones And Recurring Congestion, Alexander Drakopoulos, Yue Liu, Alan Horowitz

Civil and Environmental Engineering Faculty Research and Publications

Information contained in the Highway Capacity Manual on the influence heavy vehicles have on freeway traffic operations has been based on few field data collection efforts and relied mostly on traffic simulation efforts. In the 2010 Manual heavy vehicle impact is evaluated based on “passenger car equivalent” values for buses, recreational vehicles and trucks. These values were calibrated for relatively uncongested freeway conditions (levels of service A through C) since inadequate field data on heavy vehicle behavior under congested conditions were available. A number of field data collection efforts, that were not included in deriving the passenger car equivalent values …

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Estonia's Post-Soviet Agricultural Reforms: Lessons For Cuba, Mario A. Gonzalez-Corzo Dec 2013

Estonia's Post-Soviet Agricultural Reforms: Lessons For Cuba, Mario A. Gonzalez-Corzo

Publications and Research

No abstract provided.

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Microfluidic Generated Egf-Gradients Induce Chemokinesis Of Transplantable Retinal Progenitor Cells Via The Jak/Stat And Pi3kinase Signaling Pathways, Uchenna J. Unachukwu, Moira Sauane, Maribel Vazquez, Stephen Redenti Dec 2013

Microfluidic Generated Egf-Gradients Induce Chemokinesis Of Transplantable Retinal Progenitor Cells Via The Jak/Stat And Pi3kinase Signaling Pathways, Uchenna J. Unachukwu, Moira Sauane, Maribel Vazquez, Stephen Redenti

Publications and Research

A growing number of studies are evaluating retinal progenitor cell (RPC) transplantation as an approach to repair retinal degeneration and restore visual function. To advance cell-replacement strategies for a practical retinal therapy, it is important to define the molecular and biochemical mechanisms guiding RPC motility. We have analyzed RPC expression of the epidermal growth factor receptor (EGFR) and evaluated whether exposure to epidermal growth factor (EGF) can coordinate motogenic activity in vitro. Using Boyden chamber analysis as an initial highthroughput screen, we determined that RPC motility was optimally stimulated by EGF concentrations in the range of 20-400ng/ml, with decreased stimulation …

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