Argo Journals Volume

SEASTARS

Volume 2009

All Published Articles



A Cluster Analysis of Pediatric Cancer Rates in Florida

Authors: Alexander Bohnert , Dr. Raid Amin

Abstract:
We have identified the statistically significant cancer clusters based on counties and based on zip code areas in Florida.

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A Human-Robot Team Navigation System for Complex Environments

Authors: John Carff , Dr. Eman M. El-Sheikh , Matthew Johnson , Dr. Jerry E. Pratt ,

Abstract:
The design, development, and uses of a human-robot team navigation system, which integrates an augmented reality interface with many novel approaches to improve situational awareness, are presented.

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Alarm-Triggered Web-Connected Video Surveillance System

Authors: Nicholas Alexander Chan , Dr. Mohamed Khabou

Abstract:
We designed a secure web-connected security system that, when alarm triggered, allows the monitoring person/company to remotely conduct a video and audio surveillance of the property. To guard against misuse and protect the privacy of the property occupants, the system is triggered only when an alarm is set by an intruder. When triggered, the system transmits real time audio and video feeds via the web from cameras and microphones installed on the property. The monitoring company y/person can see and hear what’s going on inside the property and can direct the proper authorities depending on the situation. The system was prototyped for less than $400 and was successfully tested and shown to be secure and reliable.

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Computer Simulation of the Human Metabolism System

Authors: Angie Cox , Dr. Jacalyn Huband ,

Abstract:
The metabolic processes in humans consist of three main portions, resting energy expenditure, the thermal effect of food, and physical activity-induced energy expenditure. Everyone is different but why? I have researched what parameters are needed to determine the energy expenditure for a particular individual.

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DDT Concentrations in Soils in Sprayed and Unsprayed Areas of Two Towns in Southern Belize

Authors: Michael Somerville , Dr. Johan Liebens ,

Abstract:
To determine if DDT persists in Belize’s soils, 23 composite soil samples were collected from each of the two towns of Dangriga and Punta Gorda.

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Design and Implementation of a Two-Dimensional PC Video Game

Authors: Ryan Sharpe , Dr. Jacalyn Huband ,

Abstract:
The overall objective of my project was to investigate the capabilities of the C# programming language.

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Development of a High-resolution AC Susceptometer for Materials Research and Science Education

Authors: Ross Dickinson , Jeremy Munn , Charles Amos , Dr. Chandra Prayaga , Dr. Laszlo Ujj , Dr. Guoqing Wu

Abstract:
AC magnetic susceptibility measurements, in which an AC magnetic field is applied to a sample and the resulting current/emf induced from the magnetization of electron moments in the sample is measured, are an important probe for characterizing many materials. In this effort, an innovative high-resolution AC susceptometer coil system (called AC susceptometer) is constructed, which provides us a capability to conduct state-of-the art experiments in AC magnetometry for important physics such as colossal magnetoresistance, superconductivity, charge/spin density wave and phase transitions occurring in the materials, and satisfy the needs of students‘ education in experimental science research. The design is adjustable so that it can match the size of a large or tiny specimen. Tests on this prototype system, using small samples have shown the capability to detect and measure signals on the order of nano-Volts. It adds a new experimental device and creates a novel vigorous area in research and science education at UWF. Future systems will have a built-in temperature controller, an integrated lock-in amplifier and an automated data acquisition capability. This creative activity is expected to lead to a US patent. No such device is commercially available currently in the US.

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Do Penguins Know Physics?

Authors: Robert Maynard , Elizabeth Carnes , Dr. Chandra Prayaga

Abstract:
Physics is everywhere, even at the South Pole. This game depicts the physical principles of projectile motion and the non-conservative force of drag from the air and wind. Two penguins standing on icebergs in Antarctica, toss fish at each other. The penguins are controlled by two players, or by one player and the computer. The player(s) enter the angle and initial speed of the fish and it is tossed towards the other penguin. However, obstacles stand between them, adding to the difficulty and requiring planning in the game. There are other icebergs, and every time a fish hits an iceberg, a piece is taken out, until the iceberg is ‘cut’ through completely, and the top falls. Wind speeds can be pre-set and constant, or randomized (within constraints) from turn to turn, making the estimation of the exact angle/speed combination based on previous attempts impossible. The game is programmed with Macromedia Flash 8, using ActionScript 2. The units of measure are scaled from Flash’s standard of pixels and frames to meters and seconds, so that the user interacts with the game using familiar SI units.

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Impact of a Live Transgender Panel Presentation on Attitudes Toward Transgender Individuals

Authors: Kimberly Sinkkanen , Dr. Susan Walch , Elisabeth Swain , Jacquelyn Francisco , Cassi Breaux , Chandra Kirby , Enoch Walls

Abstract:
Sexual minorities may experience significant discrimination and prejudice. Discrimination and prejudice have been widely reported by transgender individuals (Lombardi et al., 2001). A crossover design was used to compare the impact of a live transgender panel presentation to a lecture presentation about transgender issues. As part of an undergraduate course, 45 students were randomly assigned to one of two conditions: A) a live panel presentation followed by a lecture presentation (n=23), or B) a lecture presentation followed by a live panel presentation (n=22). Attitudes toward transgender individuals were assessed prior to the presentations and again immediately following each presentation, and three weeks later. Repeated measures ANOVA revealed a significant main effect for time and a significant condition by time interaction. Significant reductions in negative attitudes toward transgender individuals were found across time for students in both conditions. The live panel presentation evidenced steeper initial reductions in transphobia than the lecture presentation. Further reductions in transphobia scores were seen after the addition of the live panel presentation. However, further reductions in transphobia scores were not found after the addition of the lecture. Results suggest that live panel presentations evoke greater reduction of negative attitudes and beliefs toward transgender individuals.

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Investigation of a Molecular Rotor with Vibrational Spectroscopy

Authors: Jon Welch , Charles Amos , Scott Miller , Dr. Chandra Prayaga , Dr. Guoqing Wu , Dr. Laszlo Ujj

Abstract:
The investigation of julolidinemalononitrile push-pull chromophore vibrational transitions in a julolidene-based molecular rotor (DCVJ) by means of electronic resonance enhanced Coherent Anti-Stokes Raman Spectroscopy (CARS) is presented. Previous measurements of the structurally sensitive region of the chromophore showed a broad vibrational band. The present work shows this band to be composed of two distinct vibrational modes resolved by suppression of solvent spectral contributions by resonance enhancement of the molecular bands. The details of this work is presented and shown to exist only under the increased resolution conditions of the CARS system.

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Photo-Toxicity of Various Quinone Compounds

Authors: Paul Novotny , Nicole Haubrich , Luther McDonald , Michael Cochran , Julia Serdula , Wade Jeffrey , Pamela P. Vaughan

Abstract:
Photochemically produced reactive oxygen species (ROS) were quantified for three quinones: 2,3-dichloro-napthoquinone (dichlone), tetrachloro-benzoquinone (chloranil) and sodium anthraquinone-2-sulfonate (AQ2S). When exposed to light, chloranil (10 µM) produced 0.045 nM/s H2O2 and 0.15 nM/s superoxide; AQ2S (20 µM) showed 0.057 nM/s H2O2 and 0.05 nM/s superoxide production; dichlone (20 µM) produced 0.10 nM/s H2O2 with no superoxide formation occurring in the light.  In the dark, dichlone produced 0.06 nM/s H2O2. Of the three quinones studied, only chloranil was found to produce hydroxyl radical at a rate of 1.63 nM/s. The relative toxicity of each compound was determined using 3H-leucine incorporation as a measure of bacterial growth in seawater and in samples containing Pseudomonas aeruginosa. For seawater, dichlone showed greatest toxicity in the dark with AQ2S showing greatest toxicity when exposed to light. AQ2S showed greatest stability in the light while pre-irradiation of chloranil and dichlone showed decreased toxicity compared to untreated samples.

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Recruitment Dynamics of Juvenile Gray Snapper Among West Florida Coastal and Marine Ecosystems

Authors: Cecelia Lounder , Dr. Will Patterson , Robert J. Allman , Dr. Richard S. McBride ,

Abstract:
A hierarchical approach was employed to examine the nursery function among west Florida coastal systems for gray snapper, Lutjanus griseus.

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Serious Gaming For Girls

Authors: Jessie Brown , Adrienne Wallace , Tessa Love , Dr. Lakshmi Prayaga

Abstract:
Serious games are a combination of entertainment games and educational content. Serious games are generally games used for training, advertising, simulation, or education. In addition to the practical usage of the game, serious games need to adhere to the same marketability standard as general entertainment games; meaning they must have elements of entertainment such as competitiveness, visual appeal, and distinct to the target audience. The foremost goal of the MRO-W research is to encourage females to pursue research projects, which are interdisciplinary by nature with an applied computer science component. This project will provide a realistic research experience for the female undergraduates by active involvement in research, planning, and design of the game for economic education. Students will be able to refine their programming skills, apply them to educational research, and work closely with female students, facilitating a mentor/apprentice relationship. The desired outcome of a relationship such as the mentor/apprentice (female/female) is to further increase interest levels in future female university students. Mall Crawl is a simulation game developed for the purpose of encouraging female high school students participate in educational gaming. While Mall Crawl is intended for educational purposes, the elements used will be widely similar to entertainment games.

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Site Fidelity and Dispersion of Reef Fishes Tagged at Unreported Artificial Reef Sites off Pensacola

Authors: Dustin T. Addis , William F. Patterson , Michael A. Dance

Abstract:
A fish tagging study was conducted at unpublished artificial reefs (n=9) located 15-20 miles south of Pensacola, FL. Fish (n = 3,110) were tagged with anchor tags on quarterly tagging trips from March 2005 to December 2007 to estimate species-specific site fidelity and movement. The most frequently tagged species were red snapper (n = 2,114), red porgy (n = 422), gray triggerfish (n = 267), and gag (n = 96). Eighty-six tagged individuals were recaptured at tagging reefs on subsequent trips and fishers reported a total of 225 fish caught away from reefs. Mark-recapture modeling results indicate that red snapper displayed low site fidelity (21% y-1), while higher site fidelity was observed but not quantified for groupers and gray triggerfish...

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Stochastic Generation of Music

Authors: Michael Rubey , Morris Marx

Abstract:
This research deals with the use of stochastic processes to generate new music based on previously composed music. J.S. Bach’s Flute Partita in A minor BWV 1013 was used as a basis piece for the newly generated music. The piece was analyzed using first and higher order Markov chains...

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The Molecular Perspective of Cystic Fibrosis

Authors: Jenny Paige , Dr. Kristina Behan

Abstract:
This research project will investigate the gene and protein associated with Cystic Fibrosis. About 2,500 babies are born with CF each year in the United States, and approximately 1 in every 20 Americans carries an abnormal "CF gene" with no ill effects. For the most part these 12 million people are unaware that they are carriers. The most common mutation, delta F508, will be identified in protein and DNA sequence. This mutation can be found on human chromosome seven in the q31-q33 region. A 6100-bp mRNA transcript translates into the 1480 amino acid sequence of CFTR protein. In cystic fibrosis, the phenylalanine located at position 508 is missing, meaning that the chloride ion transport is severely decreased. PCR will be used to amplify the mutation and the wild type. Agarose gel electrophoresis will be performed and evaluated.

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The Zooarchaeology of Shipwrecks

Authors: Jacob Shidner , Dr. John Bratten

Abstract:
Faunal remains have been examined from archaeological contexts to such a degree that it has its own subfield, Zooarchaeology. Zooarchaeology has answered questions on terrestrial sites concerning topics such as animal domestication, site use, and hunting patterns. However, the zooarchaeology concerning shipwrecks has been limited to little more than describing what was eaten during voyages. This poster will illustrate the conservation, identification, and examination of fauna remains from shipwrecks, specifically the Emanuel Point wrecks, including food remains as well as the remains of other non-human passengers. It will also illustrate how cut marks and breakage can be identified, as well as any evidence of disease. An overview of possible applications of this data and how it can be used to answer questions about the wrecks and the people living aboard the ships at the time is also provided.

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