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Life Sciences

2007

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Articles 31 - 60 of 557

Full-Text Articles in Social and Behavioral Sciences

A Multi-Objective Genetic Algorithm That Employs A Hybrid Approach For Isolating Codon Usage Bias Indicative Of Translational Efficiency, Douglas W. Raiford, Dan E. Krane, Travis E. Doom, Michael L. Raymer Oct 2007

A Multi-Objective Genetic Algorithm That Employs A Hybrid Approach For Isolating Codon Usage Bias Indicative Of Translational Efficiency, Douglas W. Raiford, Dan E. Krane, Travis E. Doom, Michael L. Raymer

Kno.e.sis Publications

Isolation of translational efficiency bias can have important applications in gene expression prediction and heterologous protein production. In some genomes the presence of a high GC(AT)-content bias can confound the isolation of translational efficiency bias. In other organisms translational efficiency bias is weak making it difficult to isolate. Described here is a multi-objective genetic algorithm that improves the isolation of translational efficiency bias in Streptomyces coelicolor A3(2) and Pseudomonas aeruginosa PAO1, two organisms shown to have high GC-content and weak translational efficiency bias.


Swashup: Situational Web Applications Mashups, E. Michael Maximilien, Ajith Harshana Ranabahu, Stefan Tai Oct 2007

Swashup: Situational Web Applications Mashups, E. Michael Maximilien, Ajith Harshana Ranabahu, Stefan Tai

Kno.e.sis Publications

Distributed programming has shifted from private networks to the Internet using heterogeneous Web APIs. This enables the creation of situational applications of composed services exposing user interfaces, i.e., mashups. However, this programmable Web lacks unified models that can facilitate mashup creation, reuse, and deployments. This poster demonstrates a platform to facilitate Web 2.0 mashups.


Community Forestry In Oaxaca: An Assessment Of The Level Of Autonomy In Forest Decision-Making And Its Environmental And Economic Importance, Peter Gill Oct 2007

Community Forestry In Oaxaca: An Assessment Of The Level Of Autonomy In Forest Decision-Making And Its Environmental And Economic Importance, Peter Gill

Independent Study Project (ISP) Collection

No abstract provided.


काटाल मात्स्यिकी की प्रबंधन प्रणाली -एक अध्यन (Management System Of Katal Fisheries: An Study), Ganesh Chandra, K K. Sharma, M. Choudhury Sep 2007

काटाल मात्स्यिकी की प्रबंधन प्रणाली -एक अध्यन (Management System Of Katal Fisheries: An Study), Ganesh Chandra, K K. Sharma, M. Choudhury

Ganesh Chandra

No abstract provided.


Realizing The Relationship Web: Morphing Information Access On The Web From Today's Document- And Entity-Centric Paradigm To A Relationship-Centric Paradigm, Amit P. Sheth Sep 2007

Realizing The Relationship Web: Morphing Information Access On The Web From Today's Document- And Entity-Centric Paradigm To A Relationship-Centric Paradigm, Amit P. Sheth

Kno.e.sis Publications

No abstract provided.


Investigation Of The Gas Phase Reactivity Of The 1-Adamantyl Radical Using A Distonic Radical Anion Approach, D. G. Harman, Stephen J. Blanksby Sep 2007

Investigation Of The Gas Phase Reactivity Of The 1-Adamantyl Radical Using A Distonic Radical Anion Approach, D. G. Harman, Stephen J. Blanksby

Faculty of Science - Papers (Archive)

The gas phase reactions of the bridgehead 3-carboxylato-1-adamantyl radical anion were observed with a series of neutral reagents using a modified electrospray ionisation linear ion trap mass spectrometer. This distonic radical anion was observed to undergo processes suggestive of radical reactivity including radical-radical combination reactions, substitution reactions and addition to carbon-carbon double bonds. The rate constants for reactions of the 3-carboxylato-1-adamantyl radical anion with the following reagents were measured (in units 10 12 cm3 molecule 1 s 1): 18O2 (85±4), NO (38.4±0.4), I2 (50±50), Br2 (8±2), CH3SSCH3 (12±2), styrene (1.20±0.03), CHCl3 (H abstraction 0.41±0.06, Cl abstraction 0.65±0.1), CDCl3 (D abstraction …


Ua12/2/1 College Heights Herald, Vol. 83, No. 5, Wku Student Affairs Sep 2007

Ua12/2/1 College Heights Herald, Vol. 83, No. 5, Wku Student Affairs

WKU Archives Records

WKU campus newspaper reporting campus, athletic and Bowling Green, Kentucky news.


Comparing Disjunctive Well-Founded Semantics, Matthias Knorr, Pascal Hitzler Sep 2007

Comparing Disjunctive Well-Founded Semantics, Matthias Knorr, Pascal Hitzler

Computer Science and Engineering Faculty Publications

While the stable model semantics, in the form of Answer Set Programming, has become a successful semantics for disjunctive logic programs, a corresponding satisfactory extension of the well-founded semantics to disjunctive programs remains to be found. The many current proposals for such an extension are so diverse, that even a systematic comparison between them is a challenging task. In order to aid the quest for suitable disjunctive well-founded semantics, we present a systematic approach to a comparison based on level mappings, a recently introduced framework for characterizing logic programming semantics, which was quite successfully used for comparing the major semantics …


Description Logic Programs: Normal Forms, Pascal Hitzler, Andreas Eberhart Sep 2007

Description Logic Programs: Normal Forms, Pascal Hitzler, Andreas Eberhart

Computer Science and Engineering Faculty Publications

The relationship and possible interplay between different knowledge representation and reasoning paradigms is a fundamental topic in artificial intelligence. For expressive knowledge representation for the Semantic Web, two different paradigms - namely Description Logics (DLs) and Logic Programming - are the two most successful approaches. A study of their exact relationships is thus paramount. An intersection of OWL with (function-free non-disjunctive) Datalog, called DLP (for Description Logic Programs), has been described in [1,2]. We provide normal forms for DLP in Description Logic syntax and in Datalog syntax, thus providing a bridge for the researcher and user who is familiar with …


Nutritional Composition Of Red Meat, P. G. Williams Sep 2007

Nutritional Composition Of Red Meat, P. G. Williams

Faculty of Health and Behavioural Sciences - Papers (Archive)

Lean red meats are: • An excellent source of high biological value protein, vitamin B12, niacin, vitamin B6, iron, zinc and phosphorus • A source of long-chain omega-3 polyunsaturated fats, riboflavin, pantothenic acid, selenium and possibly also vitamin D • Mostly low in fat and sodium • Sources of a range of endogenous antioxidants and other bioactive substances including taurine, carnitine, carnosine, ubiquinone, glutathione and creatine.


Sa-Rest And (S)Mashups: Adding Semantics To Restful Services, Jonathan Lathem, Karthik Gomadam, Amit P. Sheth Sep 2007

Sa-Rest And (S)Mashups: Adding Semantics To Restful Services, Jonathan Lathem, Karthik Gomadam, Amit P. Sheth

Kno.e.sis Publications

The evolution of the Web 2.0 phenomenon has led to the increased adoption of the RESTful services paradigm. RESTful services often take the form of RSS/Atom feeds and AJAX based light weight services. The XML based messaging paradigm of RESTful services has made it possible to compose various services together. Such compositions of RESTful services is widely referred to as Mashups. In this paper, we outline the limitations in current approaches to creating mashups. We address these limitations by proposing a framework called as SA-REST. SA-REST adds semantics to RESTful services. Our proposed framework builds upon the original ideas in …


The Programmable Web: Agile, Social, And Grassroots Computing, E. Michael Maximilien, Ajith Harshana Ranabahu Sep 2007

The Programmable Web: Agile, Social, And Grassroots Computing, E. Michael Maximilien, Ajith Harshana Ranabahu

Kno.e.sis Publications

Web services, the semantic Web, and Web 2.0 are three somewhat separate movements trying to make the Web a programmable substrate. While each has achieved some level of success on their own right, it is becoming apparent that the grassroots approach of the Web 2.0 is gaining greater success than the other two. In this paper we analyze each movement, briefly describing its main traits, and outlining its primary assumptions. We then frame the common problem of achieving a programmable Web within the context of distributed computing and software engineering and then attempt to show why Web 2.0 is closest …


Animal Mind: Science, Philosophy, And Ethics, Bernard E. Rollin Sep 2007

Animal Mind: Science, Philosophy, And Ethics, Bernard E. Rollin

Sentience Collection

Although 20th-century empiricists were agnostic about animal mind and consciousness, this was not the case for their historical ancestors – John Locke, David Hume, Jeremy Bentham, John Stuart Mill, and, of course, Charles Darwin and George John Romanes. Given the dominance of the Darwinian paradigm of evolutionary continuity, one would not expect belief in animal mind to disappear. That it did demonstrates that standard accounts of how scientific hypotheses are overturned – i.e., by empirical disconfirmation or by exposure of logical flaws – is inadequate. In fact, it can be demonstrated that belief in animal mind disappeared as a result …


Animal Minds, Cognitive Ethology, And Ethics, Colin Allen, Marc Bekoff Sep 2007

Animal Minds, Cognitive Ethology, And Ethics, Colin Allen, Marc Bekoff

Sentience Collection

Our goal in this paper is to provide enough of an account of the origins of cognitive ethology and the controversy surrounding it to help ethicists to gauge for themselves how to balance skepticism and credulity about animal minds when communicating with scientists. We believe that ethicists’ arguments would benefit from better understanding of the historical roots of ongoing controversies. It is not appropriate to treat some widely reported results in animal cognition as if their interpretations are a matter of scientific consensus. It is especially important to understand why loose references to ‘‘cognitive ethology’’ by philosophers can signal ignorance …


Lead-Contaminated Candies In Southern Nevada, Shawn Gerstenberger, Glenn Savage, Clayton Sellers, Keith Zupnik, Emmanuel C. Gorospe Sep 2007

Lead-Contaminated Candies In Southern Nevada, Shawn Gerstenberger, Glenn Savage, Clayton Sellers, Keith Zupnik, Emmanuel C. Gorospe

Environmental & Occupational Health Faculty Publications

Lead-contaminated candies from Latin America are beginning to gain attention in the public media1,2 and in the medical literature.3–5 These candies come from a number of sources and are manufactured outside Food and Drug Administration regulatory control. In 2005, we sampled 50 imported Latin American candies sold in Southern Nevada. A total of 20 (40%) tested positive with an average lead content of 1.46  0.27 mg/kg in the candies’ wrappers and straws, based on standard Graphite Furnace Atomic Absorption Spectrophotometry methodology. Given these results, the Southern Nevada Health District issued a cease-and-desist order on February 13, 2006, to local …


Any-World Access To Owl From Prolog, Tobias Matzner, Pascal Hitzler Sep 2007

Any-World Access To Owl From Prolog, Tobias Matzner, Pascal Hitzler

Computer Science and Engineering Faculty Publications

The W3C standard OWL provides a decidable language for representing ontologies. While its use is rapidly spreading, efforts are being made by researchers worldwide to augment OWL with additional expressive features or by interlacing it with other forms of knowledge representation, in order to make it applicable for even further purposes. In this paper, we integrate OWL with one of the most successful and most widely used forms of knowledge representation, namely Prolog, and present a hybrid approach which layers Prolog on top of OWL in such a way that the open-world semantics of OWL becomes directly accessible within the …


Ua12/2/1 College Heights Herald, Vol. 83, No. 2, Wku Student Affairs Aug 2007

Ua12/2/1 College Heights Herald, Vol. 83, No. 2, Wku Student Affairs

WKU Archives Records

WKU campus newspaper reporting campus, athletic and Bowling Green, Kentucky news.


Nociception In Fish: Stimulus–Response Properties Of Receptors On The Head Of Trout Oncorhynchus Mykiss, Paul J. Ashley, Lynne U. Sneddon, Catherine R. Mccrohan Aug 2007

Nociception In Fish: Stimulus–Response Properties Of Receptors On The Head Of Trout Oncorhynchus Mykiss, Paul J. Ashley, Lynne U. Sneddon, Catherine R. Mccrohan

Veterinary Science and Medicine Collection

This study examined stimulus–response properties of somatosensory receptors on the head of rainbow trout, Oncorhynchus mykiss, using extracellular recording from single cells in the trigeminal ganglion. Of 121 receptors recorded from 39 fish, 17 were polymodal nociceptors, 22 were mechanothermal nociceptors, 18 were mechanochemical receptors, 33 were fast adapting mechanical receptors and 31 were slowly adapting mechanical receptors. Mechanical thresholds were higher in polymodal nociceptors than in either slowly adapting or fast adapting mechanical receptors, whereas thermal thresholds of mechanothermal nociceptors were higher than those of polymodal nociceptors. Polymodal nociceptors and mechanochemical receptors gave similar responses to topical applications of …


Sensor Data Management, Cory Andrew Henson Aug 2007

Sensor Data Management, Cory Andrew Henson

Kno.e.sis Publications

No abstract provided.


America Competes Act, United States Aug 2007

America Competes Act, United States

Ethics in Science and Engineering National Clearinghouse

The full text of the America COMPETES Act. See Sec. 7008. Postdoctoral Research Fellows, and Sec. 7009. Responsible Conduct of Research.


Reconnaissance Of Historic (Post-Ad 1000) High-Energy Deposits Along The Atlantic Coasts Of Southwest Britain, Ireland And Brittany, France, S. K. Haslett, Edward A. Bryant Aug 2007

Reconnaissance Of Historic (Post-Ad 1000) High-Energy Deposits Along The Atlantic Coasts Of Southwest Britain, Ireland And Brittany, France, S. K. Haslett, Edward A. Bryant

Faculty of Science - Papers (Archive)

Sand and gravel deposits from the Atlantic coasts of southwest Britain, Brittany and western Ireland are identified as potential indicators of historic (post-AD 1000) ocean-sourced high-energy events, such as storm surges and tsunami. This is an important historic period as it includes the climatic perturbations of the Medieval Warm Period and the Little Ice Age, and also seismogenic events, such as the Lisbon tsunami of 1755. Ten new sites are identified from various coastal settings and dated using eight new radiocarbon dates alongside previously published data. Generally, sites do not appear to record multiple high-energy events, suggesting that either only …


Physiological Constraints On Contest Behaviour, Mark Briffa, Lynne U. Sneddon Aug 2007

Physiological Constraints On Contest Behaviour, Mark Briffa, Lynne U. Sneddon

Sentience Collection

  1. Contests may involve injurious fighting, other types of direct physical aggression and communication. They occur over ownership access to mates and other resources that may increase an individual’s attractiveness and its chance of survival. Traits that enhance resource holding potential may be the result of sexual selection, natural selection or a combination of both.
  2. Agonistic behaviours are expected to be demanding to perform and costly in terms of changes in physiological state. The ability to meet the physiological costs may determine contest outcomes and constrain the intensity of agonistic activities.
  3. The energetic costs have been investigated in a broad range …


The Influence Of Early Experience On, And Inheritance Of, Cerebral Lateralization, Culum Brown, Jac Western, Victoria A. Braithwaite Aug 2007

The Influence Of Early Experience On, And Inheritance Of, Cerebral Lateralization, Culum Brown, Jac Western, Victoria A. Braithwaite

Veterinary Science and Medicine Collection

Cerebral lateralization refers to the lateralized partitioning of cognitive function in either hemisphere of the brain. Using a standard detour test, we investigated lateralized behaviour in wild-caught, female poeciliid fish, Brachyraphis (=Brachyrhaphis) episcopi, from high- and low-predation areas. Wild fish were bred and their offspring reared under controlled laboratory conditions. These laboratory-reared fish were screened in the same laterality assays as their parents. We observed differences between wild-caught females and their laboratory-reared female offspring in the pattern of lateralization (tendency to use one hemisphere over the other to process information). Conversely, the strength of lateralization (consistency of hemispherical bias) was …


Resilience In Ecology And Belief, Ram Ranjan Aug 2007

Resilience In Ecology And Belief, Ram Ranjan

Ram Ranjan

TThis paper explores the crucial linkage between societal risk perception and the survival of threatened ecosystems exhibiting non-linear stock dynamics. Perception of risk over specie’s importance and over its survival chances may be subject to resilience and therefore may differ from actual risks. Whereas, ecosystems stand a better chance of survival if they aren’t stressed beyond their resilience thresholds. When an ecosystem’s sustainability and the subjective perception of risks of their loss are both influenced by the stock of a common natural resource, several resource management outcomes are possible, not all of which may ensure the sustainability of the ecosystem. …


Validation Of A Short Tandem Repeat Multiplex Typing System For Genetic Individualization Of Domestic Cat Samples, Nikia Coomber, Victor A. David, Stephen J. O'Brien, Marilyn Menotti-Raymond Aug 2007

Validation Of A Short Tandem Repeat Multiplex Typing System For Genetic Individualization Of Domestic Cat Samples, Nikia Coomber, Victor A. David, Stephen J. O'Brien, Marilyn Menotti-Raymond

Biology Faculty Articles

Aim To conduct developmental validation studies on a polymerase chain reaction (PCR) based short tandem repeat (STR) multiplex typing system, developed for the purpose of genetic individualization and parentage testing in domestic cat samples.

Methods To evaluate reproducibility of the typing system, the multiplex was amplified using DNA extracted from hair, blood, and buccal samples obtained from the same individual (n = 13). Additional studies were performed to evaluate the system’s species’ specificity, using 26 North American mammalian species and two prokaryotes Sacchromyces and Escherichia coli, sensitivity, and ability to identify DNA mixtures. Patterns of Mendelian inheritance and mutation …


Adaptation To High Temperatures Through Macromolecular Dynamics By Neutron Scattering, M. Tehei, G. Zaccai Aug 2007

Adaptation To High Temperatures Through Macromolecular Dynamics By Neutron Scattering, M. Tehei, G. Zaccai

Faculty of Science - Papers (Archive)

Work on the relationship between hyperthermophile protein dynamics, stability and activity is reviewed. Neutron spectroscopy has been applied to measure and compare the macromolecular dynamics of various hyperthermophilic and mesophilic proteins, under different conditions. First, molecular dynamics have been analyzed for the hyperthermophile malate dehydrogenase from Methanococcus jannaschii and a mesophilic homologue, the lactate dehydrogenase from Oryctolagus cunniculus (rabbit) muscle. The neutron scattering approach has provided independent measurements of the global flexibility and structural resilience of each protein, and it has been demonstrated that macromolecular dynamics represents one of the molecular mechanisms of thermoadaptation. The resilience was found to be …


Csi Revisited: The Science Of Forensic Dna Analysis, Michael L. Raymer Aug 2007

Csi Revisited: The Science Of Forensic Dna Analysis, Michael L. Raymer

Kno.e.sis Publications

No abstract provided.


Relationship Web: Spinning The Semantic Web From Trailblazing To Complex Hypothesis Evaluation, Amit P. Sheth Aug 2007

Relationship Web: Spinning The Semantic Web From Trailblazing To Complex Hypothesis Evaluation, Amit P. Sheth

Kno.e.sis Publications

No abstract provided.


Trailblazing, Complex Hypothesis Evaluation, Abductive Reasoning And Semantic Web - Exploring Possible Synergy, Amit P. Sheth Aug 2007

Trailblazing, Complex Hypothesis Evaluation, Abductive Reasoning And Semantic Web - Exploring Possible Synergy, Amit P. Sheth

Kno.e.sis Publications

No abstract provided.


Space Adaptation: Privacy-Preserving Multiparty Collaborative Mining With Geometric Perturbation, Keke Chen, Ling Liu Aug 2007

Space Adaptation: Privacy-Preserving Multiparty Collaborative Mining With Geometric Perturbation, Keke Chen, Ling Liu

Kno.e.sis Publications

The service-oriented infrastructure has become popular for collaboratively mining data distributed over organizations [3], where the participants are the data providers who submit their perturbed datasets to the designated data mining service provider (the data miner) for mining commonly interested models.