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2007

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Articles 13621 - 13650 of 14126

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Biogeography And The Cambrian Radiation Of Arachnomorph Arthropods, Jonathan R. Hendricks, Bruce S. Lieberman Jan 2007

Biogeography And The Cambrian Radiation Of Arachnomorph Arthropods, Jonathan R. Hendricks, Bruce S. Lieberman

Faculty Publications

Biogeographic patterns in primarily Cambrian arachnomorph taxa are investigated using a recently constructed phylogenetic hypothesis in order to explore the biogeographic context of the Cambrian radiation. A modified version of Brooks Parsimony Analysis is employed to elucidate patterns of vicariance and geodispersal in taxa from six regions (Laurentia, Baltica, Siberia, Australia, Africa and China). Well resolved vicariance and geodispersal trees are very similar and reconstruct Laurentia and China as sister areas. This close area relationship between Laurentia and China provides extensive evidence for congruent vicariance and range expansion in Cambrian arachnomorphs, while data from trilobites do not show this pattern. …

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Learning 2.0 At Sjsu And Sjpl, Susan L. Kendall Jan 2007

Learning 2.0 At Sjsu And Sjpl, Susan L. Kendall

Faculty and Staff Publications

No abstract provided.

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Strategies For Odor Coding In The Piriform Cortex, Jessica H. Brann, Shari R. Saideman, Matthew T. Valley, Denise Wiedl Jan 2007

Strategies For Odor Coding In The Piriform Cortex, Jessica H. Brann, Shari R. Saideman, Matthew T. Valley, Denise Wiedl

Biology: Faculty Publications and Other Works

No abstract provided.

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Interdisciplinary Research At The University Of Illinois At Chicago: A Campus-Wide Survey Of Climate, Obstacles And Opportunities, Dennis Rosenbaum, Amie Schuck, Mark Mattaini, Ericka Adams Jan 2007

Interdisciplinary Research At The University Of Illinois At Chicago: A Campus-Wide Survey Of Climate, Obstacles And Opportunities, Dennis Rosenbaum, Amie Schuck, Mark Mattaini, Ericka Adams

Faculty Publications

In recent years, the administration, faculty and research professionals at the University of Illinois at Chicago have shown considerable interest in facilitating interdisciplinary research on campus. Beginning in 2006, the Office of the Provost and the Office of the Vice Chancellor for Research provided seed funding for the creation of several interdisciplinary research (IDR) centers on campus to encourage interdisciplinary and transdisciplinary scholarship and education. This study is a product of one of those centers – the UIC Interdisciplinary Center for Research on Violence. The study was undertaken with three primary objectives: (1) to assess the IDR climate and level …

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The Quest For Tenure-Track Faculty Positions By Community College Adjunct Faculty, Leandra Powell Martin Jan 2007

The Quest For Tenure-Track Faculty Positions By Community College Adjunct Faculty, Leandra Powell Martin

Doctoral Dissertations

unavailable

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Arginine-To-Lysine Substitutions Influence Recombinant Horseradish Peroxidase Stability And Immobilisation Effectiveness., Barry Ryan, CiaráN Fagan Jan 2007

Arginine-To-Lysine Substitutions Influence Recombinant Horseradish Peroxidase Stability And Immobilisation Effectiveness., Barry Ryan, CiaráN Fagan

Articles

Background: Horseradish Peroxidase (HRP) plays important roles in many biotechnological fields, including diagnostics, biosensors and biocatalysis. Often, it is used in immobilised form. With conventional immobilisation techniques, the enzyme adheres in random orientation: the active site may face the solid phase rather than bulk medium, impeding substrate access and leading to sub-optimal catalytic performance. The ability to immobilise HRP in a directional manner, such that the active site would always face outwards from the insoluble matrix, would maximise the immobilised enzyme’s catalytic potential and could increase HRP’s range of actual and potential applications. Results: We have replaced arginine residues on …

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A Conversation With Michael Joaquin Grey, Thomas Asmuth Jan 2007

A Conversation With Michael Joaquin Grey, Thomas Asmuth

SWITCH

In this interview, Michael Joaquin Grey discusses his work at the intersection of art, science, and pedagogy, including the art/science movement of the 1970’s and its counterpart around the year 2000. With a background in both genetics and sculpture, he’s interested in how complex systems like biology, computers, or culture grow and connect. Grey also talks about inventing ZOOB, a building toy that helps kids understand how living systems work. Throughout the conversation, he reflects on why artists don’t always need big institutions to do meaningful research and how early learning and play can shape how we think about the …

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Efficacy Of Steamer Jet-Injection As Alternative To Chlorine In Fresh-Cut Lettuce, Ana Belen Martin-Diana, Daniel Rico, Catherine Barry-Ryan, Jesus Maria Frias, Gary Henehan, J. Barat Jan 2007

Efficacy Of Steamer Jet-Injection As Alternative To Chlorine In Fresh-Cut Lettuce, Ana Belen Martin-Diana, Daniel Rico, Catherine Barry-Ryan, Jesus Maria Frias, Gary Henehan, J. Barat

Articles

Short-time steam processing was used as an alternative to chlorine (100 mg L−1) in sanitising fresh-cut lettuce. Quality (pH, water content, colour, potential browning, browning-related enzymes and texture), safety (mesophilic counts) and antioxidant markers (ascorbic and carotenoids) were monitored in lettuce stored for 10 days at 4 °C. The steam treatment produced a shocking effect on lettuce metabolism, showing a significant (p < 0.05) reduction in respiration (from day 3 to 7) and a partial inactivation of browning-related enzymes. Both effects were reflected in a significant reduction of browning. From a safety point of view, steam treatment kept the mesophilic load as low as chlorine treatment, and significantly lowers than the water control. However, antioxidant content, especially ascorbic acid but also carotenoids in a lower degree, showed a reduction compared with chlorine-treated samples. Despite the lower visual browning in steam-treated samples, the sensory panel scored similar values of acceptability and fresh appearance for both samples similarity.

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Ef Fi Cacy Of Steamer Jet-Injection As Alternative To Chlorine In Fresh-Cut Lettuce, Daniel Rico, Ana Belen Martin-Diana, Jesus Maria Frias, J. Barat, Gary Henehan, Catherine Barry-Ryan Jan 2007

Ef Fi Cacy Of Steamer Jet-Injection As Alternative To Chlorine In Fresh-Cut Lettuce, Daniel Rico, Ana Belen Martin-Diana, Jesus Maria Frias, J. Barat, Gary Henehan, Catherine Barry-Ryan

Articles

The use of calcium lactate solutions has been shown to be a healthy alternative to chlorine washing in order to maintain the shelf-life of fresh-cut products. The aim of this research was to analyse the effects of calcium lactate (15 g L−1) treatment at 25 °C and 50 °C (heat-shock) on the textural properties of sliced carrots and to compare those with the chlorine treatment (120 mg L−1) widely used in industry. Several direct and indirect markers of textural changes in carrots during storage were used: Instron textural analysis, Cryo-SEM and optical microscopic, sensory analysis, pectin …

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Comparing Citizens' And Managers' Concerns About Sagebrush Management And Restoration In The Great Basin, Mark W. Brunson, Jennifer Peterson Jan 2007

Comparing Citizens' And Managers' Concerns About Sagebrush Management And Restoration In The Great Basin, Mark W. Brunson, Jennifer Peterson

Reports

The Great Basin sagebrush steppe ecosystem is among the most imperiled in the U.S. Cheatgrass invasion, conifer encroachment, and catastrophic wildfires are considered to be primary catalysts of decline. Efforts are underway to restore and increase the resiliency of this damaged ecosystem through broad-scale applications of fuel reduction and restoration treatments involving mechanical removal, prescribed fire, and herbicide application. While research points to the potential benefits of these treatments, controversy and challenge often surface when treatments are proposed on public lands. Therefore it is critical for land managers to understand the views held by key stakeholder groups concerning management and …

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Ballast Water And Invasive Species In The Northeast: The Current Situation And Policy Recommendations, Jennifer Mehaffey J.D. Jan 2007

Ballast Water And Invasive Species In The Northeast: The Current Situation And Policy Recommendations, Jennifer Mehaffey J.D.

Sea Grant Law Fellow Publications

No abstract provided.

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Requirements For Evaluating The Performance Of Individual Fishing Quota (Ifq): A Legal Analysis, Tory Randall Jan 2007

Requirements For Evaluating The Performance Of Individual Fishing Quota (Ifq): A Legal Analysis, Tory Randall

Sea Grant Law Fellow Publications

No abstract provided.

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First Circuit Interprets Rapanos To Determine Which Test To Apply, Jonathan Lew Jan 2007

First Circuit Interprets Rapanos To Determine Which Test To Apply, Jonathan Lew

Sea Grant Law Fellow Publications

No abstract provided.

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The Law Of Liability For Maritime Accidents In India, R. Bhanu Krishna Kiran Jan 2007

The Law Of Liability For Maritime Accidents In India, R. Bhanu Krishna Kiran

Journal of Maritime Law and Commerce

No abstract provided.

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The Common Body Of Knowledge: A Framework To Promote Relevant Information Security Research, Kenneth J. Knapp, F. N. Ford, Thomas E. Marshall, R. K. Rainer Jan 2007

The Common Body Of Knowledge: A Framework To Promote Relevant Information Security Research, Kenneth J. Knapp, F. N. Ford, Thomas E. Marshall, R. K. Rainer

Journal of Digital Forensics, Security and Law

This study proposes using an established common body of knowledge (CBK) as one means of organizing information security literature. Consistent with calls for more relevant information systems (IS) research, this industrydeveloped framework can motivate future research towards topics that are important to the security practitioner. In this review, forty-eight articles from ten IS journals from 1995 to 2004 are selected and cross-referenced to the ten domains of the information security CBK. Further, we distinguish articles as empirical research, frameworks, or tutorials. Generally, this study identified a need for additional empirical research in every CBK domain including topics related to legal …

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The Evolution And Palaeobiogeography Of Mesozoic Planktonic Foraminifera, Wendy Hudson Jan 2007

The Evolution And Palaeobiogeography Of Mesozoic Planktonic Foraminifera, Wendy Hudson

School of Geography, Earth and Environmental Sciences Theses

In the 1960s Oberhauser and Fuchs (palaeontologists working at the Geologische Bundesanstalt in Vienna) described a range of new taxa from the Triassic of Austria that were thought to be the earliest planktonic foraminifera. The first reactions of the palaeontological community were negative but in the subsequent forty years our knowledge of Jurassic planktonic foraminifera has expanded considerably. A thorough re-evaluation of the Oberhauser and Fuchs collections in Vienna has shown that these species are probably not planktonic and that the first planktonic taxa appeared in the Toarcian. This origination in the centre of Western Tethys was followed by a …

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Avoiding Collapse: Resilience And Sustainable Development In Vulnerable Small Islands, Matthew Paul Bunce Jan 2007

Avoiding Collapse: Resilience And Sustainable Development In Vulnerable Small Islands, Matthew Paul Bunce

School of Geography, Earth and Environmental Sciences Theses

Small islands dependent on reef fisheries, farming and tourism are vulnerable to rising human and natural pressures and may target "sustainable" development. Marine Protected Areas (MPA) have a proven ability to meet ecological goals, such as restoring fisheries and preserving ecosystem function across scales. However, there is a comparative lack of scientific baseline data and social research which may help local MPA to overcome failures in achieving mixed conservation and development goals in populated coastal areas facing intense pressure. This fieldwork-based case study researched in French and Creole languages in the sub-tropical, mid-Oceanic island of Rodrigues (Mauritius, Indian Ocean) addresses …

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Productivity Management Of The Cacao Agro-Food System In Tabasco (Mexico): A Fitness Approach, Cesar Jesus Vazquez Navarrete Jan 2007

Productivity Management Of The Cacao Agro-Food System In Tabasco (Mexico): A Fitness Approach, Cesar Jesus Vazquez Navarrete

School of Geography, Earth and Environmental Sciences Theses

The farming industry and the agro-food system as a whole are now required to adapt to a challenging and more competitive environment. How the food industry can fit itself into such environment is the main question that is addressed in this study. The fitness approach, an exploratory framework, is applied in order to study the Cacao Agro-food System (CAPS) in Tabasco. Mexico. The final sample consisted of 356 farmers, 37 curing plants, 6 wholesaling firms, and 7 chocolate firms. An anatomical model using correspondence analysis was adopted to understand the main features of every industry in the CAPS. The Pitness …

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The Photodegradation Of Diazepam And Its Human Metabolites In Water, Charles Edward West Jan 2007

The Photodegradation Of Diazepam And Its Human Metabolites In Water, Charles Edward West

School of Geography, Earth and Environmental Sciences Theses

In recent years, the environmental occurrence, fate and effects of pharmaceuticals or pharmaceutically active compounds (PhACs) and their metabolites have received increased attention. PhACs have been detected in wastewater, river water, marine waters and even sewage sludge and soil. Since PhACs are developed with the intention of stimulating or inhibiting physiological responses, these findings have prompted concern over their environmental fate and potential adverse effects on nontarget ecological species. The major source of discharge of PhACs to the environment is through sewage treatment works (STWs) effluents and sludges. Although used in quantities similar to many agrochemicals and other organic micropollutants, …

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The Impacts Of Atmospherically Derived Metals On Coastal Marine Systems, Mohammed Orif Jan 2007

The Impacts Of Atmospherically Derived Metals On Coastal Marine Systems, Mohammed Orif

School of Geography, Earth and Environmental Sciences Theses

The total concentrations of trace metals (Al, Fe, Mn, Co, Na, Cu, Zn, Mo, Ni, V, Cd, Pb) have been determined in the marine aerosol at two contrasting coastal sites, Plymouth UK, (December 2001 to April 2003) and Jeddah, Saudi Arabia (August 2002-January 2004). Trace metal concentrations in the Plymouth urban aerosol were lower (2-13 times) than those observed at other comparative UK. urban locations and generally comparable with those observed at European coastal non-urban locations. Statistically significant differences were found in aerosol metal concentrations associated with populations of contrasting air mass sources (i.e. Atlantic and UK/European), being greatest in …

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Middle To Late Holocene Sea-Level Change In Western Denmark : A Diatom-Based Study, Katie Szkornik Jan 2007

Middle To Late Holocene Sea-Level Change In Western Denmark : A Diatom-Based Study, Katie Szkornik

School of Geography, Earth and Environmental Sciences Theses

Modem diatom assemblages and associated environmental variables were collected from six transects across the salt-marsh surface in the Ho Bugt embayment in western Denmark. The relationship between diatom assemblages and environmental variables (elevation, pH, salinity, loss on ignition, grain size) was explored using ordination techniques to assess the potential use of diatoms as sea-level indicators. Results for the two data sets analysed in ordinations indicate that elevation exerts a strong, independent and statistically significant influence on modem diatom distributions in the Ho Bugt embayment. Diatom-based transfer functions were subsequently developed to reconstruct changes in palaeomarsh-surface elevation based on the relationship …

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Microbially-Mediated Methyl Iodide Cycling In A Particle-Rich Estuary, Noble Kwame Asare Jan 2007

Microbially-Mediated Methyl Iodide Cycling In A Particle-Rich Estuary, Noble Kwame Asare

School of Geography, Earth and Environmental Sciences Theses

The dynamics of aquatic systems (e.g. estuarine systems) are known to facilitate the formation of particle aggregates. These nutrient-rich particulate matter provide suitable substrate for bacteria colonization. Although bacteria-aggregate association is known to result in the degradation of particulate organic matter (POM) in aquatic systems, it has never been attributed to the production of methyl iodide (CH3I) (an environmentally important biogas that has the potential to impact on atmospheric chemistry). From literature, there are evidences which suggest that, certain bacteria (methylotrophs) are capable of oxidizing methyl halides including CH3I. Therefore this study investigates microbial production and removal of CH3I in …

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Marine Biogeochemistry Studies Of Iron And Hydrogen Peroxide Using Flow Injection-Chemiluminescence, Angela Milne Jan 2007

Marine Biogeochemistry Studies Of Iron And Hydrogen Peroxide Using Flow Injection-Chemiluminescence, Angela Milne

School of Geography, Earth and Environmental Sciences Theses

Iron is an essential micronutrient for the growth of planktonic species. It is an integral element of numerous enzymes and proteins with important functions in photosynthesis and respiratory electron transport. In contrast to iron, hydrogen peroxide (H202 is ubiquitous in seawater. Phytoplankton are known to generate reactive oxygen species (ROS) such as superoxide and H202 . This production, in conjunction with membrane bound reductases, may affect an organism's ability to access nutrients such as iron. The work presented in this thesis describes the development and optimisation of sensitive flow injection-chemiluminescence techniques to assess redox processes at the cellular level and …

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Harmonization Through Condemnation: Is New London The Key To World Patent Harmony?, Max Oppenheimer Jan 2007

Harmonization Through Condemnation: Is New London The Key To World Patent Harmony?, Max Oppenheimer

All Faculty Scholarship

Since 1790, when two U.S. patent applicants have claimed the same invention, the patent has been awarded to the first inventor. Today, the United States stands alone in the industrialized world, and many argue that the United States should, in the interest of world patent harmony, change its system so as to award a contested patent to the first applicant. Of the arguments advanced to justify the change, the only ones that withstand scrutiny are that "all the other countries are doing it" and the hope that some concessions in other aspects of intellectual property or trade might be obtained …

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Reconstruction Of Contaminant Trends In A Salt Wedge Estuary With Sediment Cores Dated Using A Multiple Proxy Approach, Mark G. Cantwell, John W. King, Robert M. Burgess, Peter G. Appleby Jan 2007

Reconstruction Of Contaminant Trends In A Salt Wedge Estuary With Sediment Cores Dated Using A Multiple Proxy Approach, Mark G. Cantwell, John W. King, Robert M. Burgess, Peter G. Appleby

Graduate School of Oceanography Faculty Publications

The Taunton River is a partially mixed tidal estuary in southeastern Massachusetts (USA) which has received significant contaminant inputs, yet little information exists on the history of discharge and the subsequent fate of these contaminants. Three sediment cores taken along a transect were analyzed, reconstructing the spatial and temporal trends of pollution in the estuary. A combination of radiometric dating, contaminant markers, and storm layers from major hurricanes were used to establish age models and sedimentation rates. Age estimates obtained from the different dating methods compared well, establishing an accurate history of contaminant release to the estuary. Polycyclic aromatic hydrocarbons …

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The Experience Of Obesity, Its Treatment And Weight Loss: A Qualitative Study Of Overweight Couples, Brenda Potz Kieffer Jan 2007

The Experience Of Obesity, Its Treatment And Weight Loss: A Qualitative Study Of Overweight Couples, Brenda Potz Kieffer

Other Faculty of Health Theses

This study utilized a qualitative, phenomenological methodology to study obesity. The purpose was to better understand the experiences of obesity, treatment and weight loss from the perspectives of formerly obese individuals, their partners and as couples. The participants consisted of six couples mostly from rural communities. In each couple, at least one the partners had experienced weight fluctuations into the obese range and had achieved at least 50% of his or her weight loss goal. The couples participated in two semi-structured interviews, both individually and as couples. A genogram was constructed with each couple to help identify family of origin …

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The Evolution Of Language Universals: Optimal Design And Adaptation, Huck Turner Jan 2007

The Evolution Of Language Universals: Optimal Design And Adaptation, Huck Turner

Other Faculty of Science and Engineering Theses

Inquiry into the evolution of syntactic universals is hampered by severe limitations on the available evidence. Theories of selective function nevertheless lead to predictions of local optimaliiy that can be tested scientifically. This thesis refines a diagnostic, originally proposed by Parker and Maynard Smith (1990), for identifying selective functions on this basis and applies it to the evolution of two syntactic universals: (I) the distinction between open and closed lexical classes, and (2) nested constituent structure. In the case of the former, it is argued that the selective role of the closed class items is primarily to minimise the amount …

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The Transport And Fate Of Fluoxetine Hydrochloride, Diazepam And Their Human Metabolites In Sewage Sludge-Amended Soil, Clare Helen Redshaw Jan 2007

The Transport And Fate Of Fluoxetine Hydrochloride, Diazepam And Their Human Metabolites In Sewage Sludge-Amended Soil, Clare Helen Redshaw

Other Faculty of Science and Engineering Theses

The European Union (EU) banned disposal of sewage sludge (SS) at sea in 1998. Since that time the application rate of SS to land has risen significantly and is set to rise further. Fifty-two percent of SS was disposed to land in the UK in 2000. Land application is thus possibly an important transport route for SS-associated organic chemicals into the environment. There are now over 3000 different pharmaceutical ingredients in use in the EU and the last decade has also seen an increase in reports of pharmacologically active compounds in the environment (e.g. in watercourses, open ocean, soil). Regardless …

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Shared Habitats: The Moverwitness Paradigm, Eila Goldhahn Jan 2007

Shared Habitats: The Moverwitness Paradigm, Eila Goldhahn

Other Faculty of Arts, Humanities and Business Theses

This practice-led research thesis analyses and visualises central components of Authentic Movement, with particular reference to the work of Dr Janet Adler. By contextualising and comparing this improvisation method with modern, post-modern and contemporary movement practices the author describes the emergence of Authentic Movement and distinguishes it from other practices. A new and original viewpoint is adopted and the practice's aesthetic, visual and empathetic characteristics are explored in relationship to and through visual art. The author, a learned Authentic Movement practitioner, critiques, deconstructs and reframes the practice from a visual arts- and performance-based, phenomenological perspective renaming it 'the MoverWitness exchange'. …

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Gestures Towards Emptiness: An Exploration Of Ritual With Reference To Buddhist Tradition And Innovation, Luise Holtbernd Jan 2007

Gestures Towards Emptiness: An Exploration Of Ritual With Reference To Buddhist Tradition And Innovation, Luise Holtbernd

Other Faculty of Arts, Humanities and Business Theses

This thesis is a cross-relational enquiry into the nature of ritual as the subject of arts-based research. It can be described as ritual-led; or as an artist's manifestation of ritual. The core of the submission consists in an exhibition, comprising 30 pieces of framed, wall-hung artwork; 3 artist's books; some small-scale sculptural work and a documentary film. The research is concerned with parallel, related disciplines and modes of working: visual art, music, general ritual studies, pedagogy and the practice of Buddhist meditation and ritual. The following areas are being addressed: 1. The context of ritual in general, and Buddhist ritual …

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