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Title: Effects of GUS Gene Integration in Tobacco Plants.
Creator: Cruz, Laura, Zhang, Xing-Hai
Abstract/Description: The β-glucuronidase (GUS) gene was isolated in 1986 from the bacterium Escherichia coli. Since then it has been widely used as a reporter gene in genetically modified organisms serving to study gene expression and tissue specificity of different promoter sequences. We have introduced the GUS gene into tobacco plants through Agrobacterium-mediated genomic transformation. The plants that were confirmed to be expressing the GUS gene were grown to propagate a new (T1) generation. The T1 plants...
Show moreThe β-glucuronidase (GUS) gene was isolated in 1986 from the bacterium Escherichia coli. Since then it has been widely used as a reporter gene in genetically modified organisms serving to study gene expression and tissue specificity of different promoter sequences. We have introduced the GUS gene into tobacco plants through Agrobacterium-mediated genomic transformation. The plants that were confirmed to be expressing the GUS gene were grown to propagate a new (T1) generation. The T1 plants were analyzed for tissue specificity of GUS expression. The results to date seem to indicate that there is some variation in GUS expression between plant lines. The mechanisms of GUS gene integration in the plant genome as well as the possible effects it can have on a plant’s genomic structure are assessed.
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Date Issued: 2014
PURL: http://purl.flvc.org/fau/fd/FA0005009
Subject Headings: College students --Research --United States.
Format: Document (PDF)

Title: Effects of MsrA and MsrB During Anoxic Stress in Drosophila melanogaster.
Creator: Suthakaran, Nirthieca, Binninger, David
Abstract/Description: Drosophila melanogaster can withstand hours of oxygen deprivation (anoxia) by entering a protective coma called spreading depression. When oxygen is reintroduced to the cells, a burst of reactive oxygen species (ROS) causes oxidative damage. Methionine is susceptible to oxidation to form methionine sulfoxide. This oxidation is reversible where methionine sulfoxide reductase (Msr) A and B reduce the S and R enantiomers, respectively. In this study, MsrA and MsrB single deletion lines were...
Show moreDrosophila melanogaster can withstand hours of oxygen deprivation (anoxia) by entering a protective coma called spreading depression. When oxygen is reintroduced to the cells, a burst of reactive oxygen species (ROS) causes oxidative damage. Methionine is susceptible to oxidation to form methionine sulfoxide. This oxidation is reversible where methionine sulfoxide reductase (Msr) A and B reduce the S and R enantiomers, respectively. In this study, MsrA and MsrB single deletion lines were exposed to one hour of anoxia and the Drosophila Activity Monitor (DAM) recorded their recovery times. RNA interference (RNAi) lines were used to mimic the effect of these deletion lines by ubiquitously knocking down their expression. My current data indicates that MsrA loss-of-function strains recover significantly faster than the MsrB loss-of-function lines with increasing age. Insight into the roles of Msr genes under anoxic stress could lead to a better understanding of how these genes contribute to aging.
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Date Issued: 2014
PURL: http://purl.flvc.org/fau/fd/FA0005037
Subject Headings: College students --Research --United States.
Format: Document (PDF)

Title: International Court of Justice And Regional Bias.
Creator: Concepcion, Jessica, Morton, Jeffrey S., Dorothy F. Schmidt College of Arts and Letters
Abstract/Description: The International Court of Justice (ICJ) presides over the contentious issues, such as boundary disputes and military conflict, for all United Nation’s (UN) members. Its rulings, legally binding, guide international affairs between states by holding them accountable to international law. Previous studies have found that the judges on the ICJ display judicial bias. However, scholars have yet to evaluate whether judges are influenced by a regional association with a party in the cases. To...
Show moreThe International Court of Justice (ICJ) presides over the contentious issues, such as boundary disputes and military conflict, for all United Nation’s (UN) members. Its rulings, legally binding, guide international affairs between states by holding them accountable to international law. Previous studies have found that the judges on the ICJ display judicial bias. However, scholars have yet to evaluate whether judges are influenced by a regional association with a party in the cases. To evaluate the role of region in ICJ rulings, I developed a dataset containing: 1) nationality of judges in contentious cases, 2) states party to a case, 3) states’ regions, and 4) case subject. This data is then used to evaluate the relationship between ICJ judges, state region, and the outcome of case rulings in order to determine whether regional bias exist today within the UN.
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Date Issued: 2015
PURL: http://purl.flvc.org/fau/fd/FA00005181
Subject Headings: College students --Research --United States.
Format: Document (PDF)

Title: Bilingualism Characteristics in Second Generation Latin American Immigrants.
Creator: Ortega, Alexandra, Rosselli, Monica
Abstract/Description: This study examined the linguistic characteristics of a sample of second-generation Latin American immigrants and a control group of English monolinguals. Participants included both males and females from 18-40 years old. For all the bilingual participants L1 was Spanish but they had been schooled mostly in English (L2). The examined language domains included: grammatical and semantic judgment, vocabulary, reading, writing, and fluency of both L1 and L2. It was observed that L2 significantly...
Show moreThis study examined the linguistic characteristics of a sample of second-generation Latin American immigrants and a control group of English monolinguals. Participants included both males and females from 18-40 years old. For all the bilingual participants L1 was Spanish but they had been schooled mostly in English (L2). The examined language domains included: grammatical and semantic judgment, vocabulary, reading, writing, and fluency of both L1 and L2. It was observed that L2 significantly overwrote L1, becoming the dominant language. Grammatical judgment as well as reading and writing became more accurate, vocabulary was larger, and fluency was greater in English than in Spanish. Interference from English to Spanish in reading, writing and vocabulary was significant, whereas interference in the opposite direction was minimal. Two questions are discussed: the switch of the dominant language from L1 to L2 and the language profile in each one of the two languages.
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Date Issued: 2014
PURL: http://purl.flvc.org/fau/fd/FA0005033
Subject Headings: College students --Research --United States.
Format: Document (PDF)

Title: A Cross-Lingustic Analysis of Language Effects on Personality Measures in Spanish-English Bilinguals.
Creator: Gonzalez, Katherine, Velez-Uribe, Idaly, Rosselli, Monica, Charles E. Schmidt College of Science
Abstract/Description: The Big Five inventory is a 44-item scale that classifies participants based on five dimensions of personality with versions available in English and Spanish. Previous studies have found differences in BFI dimensions of Spanish-English bilinguals. We asked if Spanish-English bilinguals described themselves differently when answering in different languages. The present study investigated how Spanish-English bilinguals are classified when answering the BFI in both languages. In a cross...
Show moreThe Big Five inventory is a 44-item scale that classifies participants based on five dimensions of personality with versions available in English and Spanish. Previous studies have found differences in BFI dimensions of Spanish-English bilinguals. We asked if Spanish-English bilinguals described themselves differently when answering in different languages. The present study investigated how Spanish-English bilinguals are classified when answering the BFI in both languages. In a cross-linguistic design, we assessed a sample of Spanish-English bilinguals. We hypothesized that we would find that bilinguals would score significantly different in both languages in the dimensions of extraversion and conscientiousness, with English scores being expected to be significantly higher than Spanish scores. Results revealed significantly different scores in Spanish and English in all five dimensions of the BFI. These results emphasize the issue of language in psychological evaluations, with the possibility of language dependence skewing the results for bilingual patients.
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Date Issued: 2015
PURL: http://purl.flvc.org/fau/fd/FA00005193
Subject Headings: College students --Research --United States.
Format: Document (PDF)

Title: Electrochemical Process of Biorock for Carbon Dioxide Capture.
Creator: Harris, Alyssa, Freudenberg, Andrew, Lopez, Michael, Muslera, Pedro, Su, Tsung-Chow
Abstract/Description: The purpose of this study is to utilize information and data gathered from previous studies pertaining to the BioRock® method, patented by Dr. W. Hibertz and T.J. Goreau in 1974. Biorock® stimulates the growth of coral reefs utilizing natural reef processes and electrochemistry to remove CO2 from the atmosphere. Our aim is to make the process more efficient to achieve large scale atmospheric carbon dioxide sequestration. A pH sensor in the water and CO2 sensor is in place to quantify and...
Show moreThe purpose of this study is to utilize information and data gathered from previous studies pertaining to the BioRock® method, patented by Dr. W. Hibertz and T.J. Goreau in 1974. Biorock® stimulates the growth of coral reefs utilizing natural reef processes and electrochemistry to remove CO2 from the atmosphere. Our aim is to make the process more efficient to achieve large scale atmospheric carbon dioxide sequestration. A pH sensor in the water and CO2 sensor is in place to quantify and confirm the reduction of CO2 in the water and air above, all within a sealed tank. The first experiment in this study used an iron mesh with an electric current running through it to collect the limestone that serves as the base for a reef. However, the iron oxidized instead of collecting limestone. Future testing will utilize a lead plate as it is less susceptible to rusting.
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Date Issued: 2014
PURL: http://purl.flvc.org/fau/fd/FA0005021
Subject Headings: College students --Research --United States.
Format: Document (PDF)

Title: Analyzing Changes in Salinity and Evaporation on Water Quality.
Creator: Causey, Annie, Lemos, Renata, Goordeen, Avion, Selch, Donna, Abbott, Cara J., Charles E. Schmidt College of Science
Abstract/Description: The evaporation of water in the ocean can lead to hyper salinity caused by the extra substances left behind during the process. The Florida bay is surrounded by the Florida loop current and the Florida Keys, its salinity reading has been recorded as high as 70 ppt, double the normal capacity of seawater. The bay salinity depends on the amount of fresh water released from the Everglades and the magnitude of water outputted to the Gulf of Mexico and the Atlantic Ocean, as well as the ratio...
Show moreThe evaporation of water in the ocean can lead to hyper salinity caused by the extra substances left behind during the process. The Florida bay is surrounded by the Florida loop current and the Florida Keys, its salinity reading has been recorded as high as 70 ppt, double the normal capacity of seawater. The bay salinity depends on the amount of fresh water released from the Everglades and the magnitude of water outputted to the Gulf of Mexico and the Atlantic Ocean, as well as the ratio between the amount of water evaporated and the amount of precipitates left in the remaining water pool. For this research nine saltwater treatments from 0 to 40 ppt in increments of 5 ppt were constructed to examine how evaporation rates are affected by varying salinities. During this study, data were collected from each of the nine treatments before and after evaporation. The data recorded included salinity readings, pH levels and volume of water evaporated. The analyses of this data will determine the relationship between salinity levels and evaporation rates.
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Date Issued: 2015
PURL: http://purl.flvc.org/fau/fd/FA00005180
Subject Headings: College students --Research --United States.
Format: Document (PDF)

Title: The War on Neologisms in the Italian Language.
Creator: Baldocchi, Valeria, Ruthenberg, Myriam Swennen, Serra, Ilaria, Dorothy F. Schmidt College of Arts and Letters
Abstract/Description: Globalization has become an agent of socioeconomic and communicative integration and today it envelops all aspects of human life. The quasi-immediate exchange of information that surpasses the now ancient barriers of time and space has triggered a sociocultural revolution with perceptible effects on the linguistic characteristics that are at the core of collective and individual identities. Among the most noticeable cultural changes are neologisms, which are often at the center of heated...
Show moreGlobalization has become an agent of socioeconomic and communicative integration and today it envelops all aspects of human life. The quasi-immediate exchange of information that surpasses the now ancient barriers of time and space has triggered a sociocultural revolution with perceptible effects on the linguistic characteristics that are at the core of collective and individual identities. Among the most noticeable cultural changes are neologisms, which are often at the center of heated linguistic debates. Some claim that the increased use of neologisms in the Italian language is a natural component of the fluctuating nature of a language and that their use enriches it. Linguistic purists take a more conservative stance and view neologisms as a linguistic enemy who blurs the distinctive differences among languages and robs them of their uniqueness. Neologisms are a mirror of contemporary Italian society and their use entails an often subconscious support of certain social currents.
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Date Issued: 2015
PURL: http://purl.flvc.org/fau/fd/FA00005175
Subject Headings: College students --Research --United States.
Format: Document (PDF)

Title: Public History in the Digital Age.
Creator: Morse, Annaleah D., Norman, Sandra, Dorothy F. Schmidt College of Arts and Letters
Abstract/Description: As society is continuing to become digitally integrated, many museums and archives are facing difficulty appealing to newer generations, especially those that are raised on digital availability of resources. Beginning with an explanation of the history of museums, my thesis expands on the evolution of museums, focusing on the current digital climate. The current digital revolution is an exigent matter that museums and non-profits must respond to, and without proper financial assistance and...
Show moreAs society is continuing to become digitally integrated, many museums and archives are facing difficulty appealing to newer generations, especially those that are raised on digital availability of resources. Beginning with an explanation of the history of museums, my thesis expands on the evolution of museums, focusing on the current digital climate. The current digital revolution is an exigent matter that museums and non-profits must respond to, and without proper financial assistance and adaptation of new technologies, museums and non-profits cannot fully achieve digital integration. New technologies allow museums to appeal universally: rather than being available to only a specific community, digitization has allowed museums to dissipate information globally. Ultimately, the question for archives and museums has evolved from how to provide information to the public to how museums and other non-profit organizations can better adapt to the growing needs of the digital age and those within it.
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Date Issued: 2015
PURL: http://purl.flvc.org/fau/fd/FA00005204
Subject Headings: College students --Research --United States.
Format: Document (PDF)

Title: Hedonistic or Epistemic Cultural Immersion: Photo Shorts Methodology.
Creator: June, Henry, Smith, Adam, Christine E. Lynn College of Nursing
Abstract/Description: The research determined whether hedonistic immersion imagery or epistemic cultural immersion imagery would be more likely to attract college students to book a spring break cruise. Photo Sorts, a projective method, was used to present seven hedonistic and seven epistemic cultural photographs to a convenience sample of college students to determine preferences for Caribbean island excursions. Subjects were asked to assume that they were on a cruise in the Caribbean island; deciding which...
Show moreThe research determined whether hedonistic immersion imagery or epistemic cultural immersion imagery would be more likely to attract college students to book a spring break cruise. Photo Sorts, a projective method, was used to present seven hedonistic and seven epistemic cultural photographs to a convenience sample of college students to determine preferences for Caribbean island excursions. Subjects were asked to assume that they were on a cruise in the Caribbean island; deciding which excursions to take. Forty respondents were tasked with looking at fourteen photographs; placing each one into either the “Do not want to do” or “Want to do” bin. Nominal variables, categories (Want to do/Do not want to do), and an analysis based on counts rather than rating scales characterized the research. Thus, the Chi-Square method found, at 90% confidence, that Royal Caribbean should emphasize hedonistic imagery in its video and digital brochure to attract cruise-bound college students.
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Date Issued: 2015
PURL: http://purl.flvc.org/fau/fd/FA00005199
Subject Headings: College students --Research --United States.
Format: Document (PDF)

Title: Felix Mendelssohn's Bach revival.
Creator: Barna, Charlotte, Joella, Laura
Abstract/Description: Johann Sebastian Bach is considered to be one of the greatest composers in the history of Western music. However, the modern audience might not realize that it took almost 70 years after Bach’s death for his music to emerge as a part of an important cultural heritage. Even though some of Bach’s organ pieces were continually played in smaller settings, the wider audience only became exposed to his music after the success of Felix Mendelssohn’s performance of the St. Matthew Passion in 1829. It...
Show moreJohann Sebastian Bach is considered to be one of the greatest composers in the history of Western music. However, the modern audience might not realize that it took almost 70 years after Bach’s death for his music to emerge as a part of an important cultural heritage. Even though some of Bach’s organ pieces were continually played in smaller settings, the wider audience only became exposed to his music after the success of Felix Mendelssohn’s performance of the St. Matthew Passion in 1829. It was this concert that catapulted Bach among the ranks of the important Baroque composers such as Georg Frideric Handel or Antonio Vivaldi.
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Date Issued: 2014
PURL: http://purl.flvc.org/fau/fd/FA0005003
Subject Headings: College students --Research --United States.
Format: Document (PDF)

Title: Feasibility of an Undergraduate Leadership Studies Program at Florida Atlantic University.
Creator: Tepper, Ella, Woody, Kayla, Wemyss, Max, Burke, Katie Gale, Floyd, Deborah L.
Abstract/Description: The objective of this research is to explore the feasibility for an undergraduate Leadership minor to be established at Florida Atlantic University (FAU). Insight will be sought through focus groups and phone interviews to explore what degree of interest there is for a Leadership Studies Program here at FAU and to learn what practices work best at other institutions that have established Leadership Studies programs. We will gain this information by asking students what they believe are three...
Show moreThe objective of this research is to explore the feasibility for an undergraduate Leadership minor to be established at Florida Atlantic University (FAU). Insight will be sought through focus groups and phone interviews to explore what degree of interest there is for a Leadership Studies Program here at FAU and to learn what practices work best at other institutions that have established Leadership Studies programs. We will gain this information by asking students what they believe are three skills and attributes of an effective leader, how the new Introduction to Leadership course (LDR 2010) has assisted students in their leadership pursuits, and what their level of interest is for having a program. We will speak with individuals at institutions to gauge what is working for their Leadership programs. With this data, we seek to showcase the desire (or not) for establishing a Leadership Studies Program at FAU.
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Date Issued: 2014
PURL: http://purl.flvc.org/fau/fd/FA0005038
Subject Headings: College students --Research --United States.
Format: Document (PDF)

Title: Attitudinal Evaluation of Ex-Vivo Cultivated Meat; Exploring Methods of Increasing Appeal.
Creator: Gasteratos, Kristopher, Brown, Nicolas A., Sherman, Ryne A., Office of Undergraduate Research and Inquiry
Abstract/Description: Animal protein production systems are reaching production capacity limits due to their associated ecological detriments. Therefore, a global shift towards an ecologically sustainable alternative is vital, and hence exploring the scope of market for such alternatives.“ Cultured meat”, or ex vivo cultivated meat, may indeed serve as a viable alternative. However, although this method aims to lessen environmental woes, one current drawback is the ambiguity of consumer acceptance. This study...
Show moreAnimal protein production systems are reaching production capacity limits due to their associated ecological detriments. Therefore, a global shift towards an ecologically sustainable alternative is vital, and hence exploring the scope of market for such alternatives.“ Cultured meat”, or ex vivo cultivated meat, may indeed serve as a viable alternative. However, although this method aims to lessen environmental woes, one current drawback is the ambiguity of consumer acceptance. This study addresses this concern through calculus of potential markets. Indeed, through surveying about 5,000 people worldwide, with focused populations in the United States and University undergraduates, statistically significant results of positive consumer interest in cultured meat were attained. After survey completion, over 75% of participants expressed interest in eating cultured meat (interested in “probably” or “definitely” eating cultured meat). Ultimately, this novel study ought to serve as a foundational framework for catalyzing funding towards privatized and academic research on cultured meat.
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Date Issued: 2017
PURL: http://purl.flvc.org/fau/fd/FA00005621
Subject Headings: College students --Research --United States.
Format: Document (PDF)

Title: Nf1 Mutations Impair Memory-Related Plasticity in the Drosophila melanogaster Mushroom Body.
Creator: Gilliland, Brandon, Tomchik, Seth, Macleod, Gregory, Harriet L. Wilkes Honors College
Abstract/Description: The purpose of this project was to understand the effects of therapeutic antidepressants with respect to circadian rhythm in Drosophila melanogaster. Antidepressants are known to have a role in dopamine and serotonin signaling pathways. These pathways have been observed to have a role in circadian rhythm, the biological process involving sleep patterns. In the experiments completed thus far, it has been observed that the flies administered antidepressants have more fractioned sleep than the...
Show moreThe purpose of this project was to understand the effects of therapeutic antidepressants with respect to circadian rhythm in Drosophila melanogaster. Antidepressants are known to have a role in dopamine and serotonin signaling pathways. These pathways have been observed to have a role in circadian rhythm, the biological process involving sleep patterns. In the experiments completed thus far, it has been observed that the flies administered antidepressants have more fractioned sleep than the control group flies. It has also been noted that normal light to dark sleep cycles are altered significantly in the flies given antidepressants. It is important to research and to understand the effects of antidepressants in Drosophila melanogaster because it could lead to a more effective way to administer antidepressants to humans without harmful side effects.
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Date Issued: 2015
PURL: http://purl.flvc.org/fau/fd/FA00005191
Subject Headings: College students --Research --United States.
Format: Document (PDF)

Title: "Tiger Stripe" Phenomena in Indian River Lagoon Dolphins.
Creator: Stevens, Jessie, Lum, Bryanna, Blocker, Cameron, Ferch, Molly, Mazzoil, Marilyn S., Reif, John S., Murdoch, M. Elizabeth, Charles E. Schmidt College of Science
Abstract/Description: A previously undescribed skin abnormality, which we refer to as “tiger stripes,” has been identified in Indian River Lagoon bottlenose dolphins through photo-identification surveys. The condition presents as parallel stripes on the ventral and lateral aspects on the torso of the dolphin with varying length and depth. The condition may be indicative of rapid weight loss, similar to human "stretch marks”, debilitating illnesses resulting in emaciation or a result of starvation due to lack of...
Show moreA previously undescribed skin abnormality, which we refer to as “tiger stripes,” has been identified in Indian River Lagoon bottlenose dolphins through photo-identification surveys. The condition presents as parallel stripes on the ventral and lateral aspects on the torso of the dolphin with varying length and depth. The condition may be indicative of rapid weight loss, similar to human "stretch marks”, debilitating illnesses resulting in emaciation or a result of starvation due to lack of prey. Goals of this study were to determine if tiger stripes are: (1) a marker of rapid weight loss, (2) more prevalent in post-partum females, and to (3) examine the spatial and temporal distribution in the IRL. Preliminary findings indicate that tiger striping is a useful marker suggestive of rapid weight loss. The next phase of research is to determine if the condition can be utilized as a pre-mortem marker of emaciation in IRL dolphins.
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Date Issued: 2015
PURL: http://purl.flvc.org/fau/fd/FA00005212
Subject Headings: College students --Research --United States.
Format: Document (PDF)

Title: Impact of Glutamate In Amyotrophic Lateral Sclerosis (ALS).
Creator: Maldonado, Dianabell, Jaiprashad, Rajesh, Snyder, Patricia Ann, Office of Undergraduate Research and Inquiry
Abstract/Description: Amyotrophic Lateral Sclerosis (ALS) is a neurodegenerative disease afflicting the global population. This disease affects motor neuron nerve cells located in the brain, brainstem, and spinal cord that serve as controlling units and communication points between the nervous system and the muscles of the body. In ALS, both the upper motor neurons, in the brain, and the lower motor neurons, in the spinal cord, degenerate or die; thus ceasing transmission. The cause of this disease is still under...
Show moreAmyotrophic Lateral Sclerosis (ALS) is a neurodegenerative disease afflicting the global population. This disease affects motor neuron nerve cells located in the brain, brainstem, and spinal cord that serve as controlling units and communication points between the nervous system and the muscles of the body. In ALS, both the upper motor neurons, in the brain, and the lower motor neurons, in the spinal cord, degenerate or die; thus ceasing transmission. The cause of this disease is still under investigation. Here in, it is hypothesized that ALS engenders from the over excitation of motor nerve cells due to an excess of the amino acid, glutamate, the principal neurotransmitter in the brain. Therefore, an investigation into the properties of the neurotransmitter glutamate, which could be the potential cause of this neurodegenerative disease, will help elucidate the role of this amino acid in ALS.
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Date Issued: 2016
PURL: http://purl.flvc.org/fau/fd/FA00005577
Subject Headings: College students --Research --United States.
Format: Document (PDF)

Title: Conformational Masking in HIV-1.
Creator: Goordeen, Ashley, Snyder, Patricia Ann
Abstract/Description: Molecular modeling enables an individual to explore the nature of various molecules and the interaction between molecules using only a computer and their fingertips. This computer technology is an expanding field and has a plethora of applications ranging from teaching to the design of new drugs. Molecular modeling allows studying through calculation and visualization of molecular systems varying in size from minute chemical systems to hefty biological ones. The system analyzed in this study...
Show moreMolecular modeling enables an individual to explore the nature of various molecules and the interaction between molecules using only a computer and their fingertips. This computer technology is an expanding field and has a plethora of applications ranging from teaching to the design of new drugs. Molecular modeling allows studying through calculation and visualization of molecular systems varying in size from minute chemical systems to hefty biological ones. The system analyzed in this study is that of gp120, the envelope glycoprotein on HIV-1 essential for viral entry into cells. HIV-1’s invasive success can be attributed to its ability to conformationally mask itself from the immune system. It achieves this because of the highly glycosylated surface of gp120. Using HyperChem Release 7, Visual Molecular Dynamics (VMD) 1.9.1, and NAMD 2.9, the glycosylated surface of gp120 and its molecular dynamics were examined to confirm its effectiveness.
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Date Issued: 2014
PURL: http://purl.flvc.org/fau/fd/FA0005020
Subject Headings: College students --Research --United States.
Format: Document (PDF)

Title: An Experimental and Theoretical Investigation of the Excited States of Isobutene.
Creator: McLachlan, Jeffrey, Snyder, Patricia Ann, Office of Undergraduate Research and Inquiry
Abstract/Description: Vacuum ultraviolet magnetic circular dichroism (MCD) and absorption spectra of isobutene were obtained experimentally and compared to theoretical data (DFT calculation with Gaussian software) with the goal of better understanding the electronic structure of simple olefins. MCD is the differential absorption of left and right circular polarized light in the presence of an external magnetic field. This means that a MCD spectrum contains both positive and negative peaks while an absorbance...
Show moreVacuum ultraviolet magnetic circular dichroism (MCD) and absorption spectra of isobutene were obtained experimentally and compared to theoretical data (DFT calculation with Gaussian software) with the goal of better understanding the electronic structure of simple olefins. MCD is the differential absorption of left and right circular polarized light in the presence of an external magnetic field. This means that a MCD spectrum contains both positive and negative peaks while an absorbance spectrum contains only positive peaks. MCD is useful when used in conjunction with a corresponding absorbance spectrum to assign spectral bands that may have been hidden by overlap in the absorbance spectrum. The experimental and theoretical results coincide with the two lowest energy transitions of isobutene being assigned as [...]. This is also consistent with what has been observed in ethylene and propylene, π→π^* is not the lowest transition in mono-olefins.
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Date Issued: 2016
PURL: http://purl.flvc.org/fau/fd/FA00005589
Subject Headings: College students --Research --United States.
Format: Document (PDF)

Title: The Determinants of Democratic Consolidation in Eastern Europe and the Former USSR.
Creator: Dolun, Deniz, Shaykhutdinov, Renat, Dorothy F. Schmidt College of Arts and Letters
Abstract/Description: The process of democratization still remains an ongoing process in the majority of the Eastern Bloc nations. A quarter century after the dissolution of the USSR and her satellite states, only eight of twenty-eight transitioning states have been able to fully democratize. Several of these anocratic states are today characterized by routine human rights violations, state repressions of civil society, and incarcerations of political opposition. There is limited cohesive research on how the Post...
Show moreThe process of democratization still remains an ongoing process in the majority of the Eastern Bloc nations. A quarter century after the dissolution of the USSR and her satellite states, only eight of twenty-eight transitioning states have been able to fully democratize. Several of these anocratic states are today characterized by routine human rights violations, state repressions of civil society, and incarcerations of political opposition. There is limited cohesive research on how the Post-Communist formation of oligarchs across Eurasia and increases in democratic transitioning period have influenced democratization. In this study, I research, test, and explain the effects of Post-Communist oligarchies and the periods of democratic transitions on current levels of democratic consolidation in twenty-eight former socialist states through publicly available statistics and primary sources. I find that while oligarchical influence on democratization is limited, shorter democratic transitions produce significantly higher levels of democratic consolidation than their prolonged counterparts.
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Date Issued: 2015
PURL: http://purl.flvc.org/fau/fd/FA00005183
Subject Headings: College students --Research --United States.
Format: Document (PDF)

Title: Effects of Electrolytic Lesions of the Reuniens and Rhomboid Nuclei on cognitive behaviors using the Intradimensional Extradimensional (IED) task in Rats.
Creator: Ellis, Randy, Pinedo, Patricia, Vertes, Robert P.
Abstract/Description: Reuniens and rhomboid nuclei (RE/RH) of the ventral midline thalamus compose a relay between the medial prefrontal cortex (mPFC) and the hippocampus (HPC). Recent behavioral studies have shown that RE/RH is critical in cognitive tasks that involve both the HPC and mPFC. Lesion and inactivation studies of the RE/RH, however, do not affect hippocampal dependent spatial behaviors. Here, we examined the effects of electrolytic lesions of RE/RH on an odor-texture discrimination task sensitive to...
Show moreReuniens and rhomboid nuclei (RE/RH) of the ventral midline thalamus compose a relay between the medial prefrontal cortex (mPFC) and the hippocampus (HPC). Recent behavioral studies have shown that RE/RH is critical in cognitive tasks that involve both the HPC and mPFC. Lesion and inactivation studies of the RE/RH, however, do not affect hippocampal dependent spatial behaviors. Here, we examined the effects of electrolytic lesions of RE/RH on an odor-texture discrimination task sensitive to faculties of orbitomedial prefrontal cortices. Rats with RE/RH lesions exhibited small deficits in reversal stages compared to controls. Reversal learning has been found to be anatomically and chemically dependent on normal functioning of the prefrontal cortex. Excitatory input from reuniens to the prefrontal cortex may be involved in mediating behavioral flexibility, the lack of which is a symptom of behavioral disorders such as Alzheimer’s and Parkinson’s diseases.
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Date Issued: 2014
PURL: http://purl.flvc.org/fau/fd/FA0005013
Subject Headings: College students --Research --United States.
Format: Document (PDF)

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