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Articles 61 - 90 of 12215
Full-Text Articles in Entire DC Network
The Murray Ledger And Times, December 24, 2007, The Murray Ledger And Times
The Murray Ledger And Times, December 24, 2007, The Murray Ledger And Times
The Murray Ledger & Times
No abstract provided.
An Overview Of Forest Habitat's Situation In Village Barali Kass, Kotli Azad Kashmir Pakistan, Ejaz Ur-Rehman
An Overview Of Forest Habitat's Situation In Village Barali Kass, Kotli Azad Kashmir Pakistan, Ejaz Ur-Rehman
Ethnobotanical Leaflets
An overview of the Forest Habitat's situation in Village Barali Kass Kotli Azad Kashmir Pakistan revealed that the area facing great forest habitat peril. Habitat loss, degradation and fragmentation are an issue of primary concern in the area of Village Barali Kass. The purpose of this study was to look at the causes which exploit these meagre and fragile forest resources in the area and what are the measures to nullify this situation.
December 22, 2007 (Pages 6731-6890), Pennsylvania Legislative Reference Bureau
December 22, 2007 (Pages 6731-6890), Pennsylvania Legislative Reference Bureau
Volume 37 (2007)
No abstract provided.
Reporter - December 22nd 2007, Rit Reporter Staff
Reporter - December 22nd 2007, Rit Reporter Staff
University Publications
No abstract provided.
A Quantitative Description Of The Interaction Of Enhancement And Depression Of Transmitter Release At The Neuromuscular Junction, Alice M. Holohean
A Quantitative Description Of The Interaction Of Enhancement And Depression Of Transmitter Release At The Neuromuscular Junction, Alice M. Holohean
Open Access Dissertations
Synaptic transmission alters the strength of the postsynaptic potential, through a process called short-term synaptic plasticity (STP). In this study, endplate potentials (EPPs) from the frog neuromuscular junction were used to resolve and quantify the presynaptic components involved in enhancement and depression of transmitter release during repetitive stimulation under normal quantal release conditions (2 mM Ca2+, 1mM Mg2+). During trains of stimulation given between 10 - 200 Hz, the amplitude of the EPPs first increased then decreased; a maximum increase of 77% was produced after 2-4 stimuli. EPP amplitudes began to increase at ~ 20 Hz, were maximal at ~ …
Analyses Of Dengue Fever And Aedes Aegypti (Diptera: Culicidae) Larval Habitats In A Tropical Urban Environment Of Costa Rica Using Geospatial And Mosquito Surveillance Technologies, Adriana Troyo
Open Access Dissertations
Dengue is currently the most important arboviral disease globally and is usually associated with built environments in tropical areas. Control measures are currently focused on community participation in control of the vector Aedes aegypti and larval source reduction. In Costa Rica, dengue fever is a relatively recent re-emerging disease and has become a serious public health problem. Remotely sensed information can facilitate the study of urban mosquito-borne diseases like dengue by providing multiple temporal and spatial resolutions appropriate to investigate urban structure and ecological characteristics associated with infectious disease. Initial studies showed that although dengue is a serious public health …
Natal Dispersal And New Group Formation In Capybaras (Hydrochoerus Hydrochaeris) In A Seasonally Flooded Savanna Of Venezuela, Elizabeth Rae Congdon
Natal Dispersal And New Group Formation In Capybaras (Hydrochoerus Hydrochaeris) In A Seasonally Flooded Savanna Of Venezuela, Elizabeth Rae Congdon
Dissertations
This study examines natal dispersal and new group formation in capybaras (Hydrochoerus hydrochaeris) in a seasonally flooded savanna in Venezuela. The first section describes a novel approach to the study of dispersal that could be applied to many taxa. Dispersal is considered in three stages (emigration, transience, and immigration) and its proximate and ultimate mechanisms are clearly differentiated. The second chapter describes dispersal behavior in capybaras, including which individuals disperse, when, and to where. In the third chapter, I evaluate dispersal in capybaras with respect to social subordination and social cohesion hypotheses. In this population, some support was …
The Murray Ledger And Times, December 21, 2007, The Murray Ledger And Times
The Murray Ledger And Times, December 21, 2007, The Murray Ledger And Times
The Murray Ledger & Times
No abstract provided.
Interview No. 1389, Felipe César Chan-Noh
Interview No. 1389, Felipe César Chan-Noh
Combined Interviews
Mr. Chan-noh briefly recalls his childhood and the financial difficulties he and his family endured; he married at the age of seventeen; when he was eighteen years old he enlisted in the Mexican military; he heard about the bracero program while in the military; he went through the hiring process several years later; he recalls the entire process, including that he recruited forty to fifty men from his hometown to join the bracero program; in addition, he mentions going through the processing center in Empalme, Sonora, México; he recalls that one of the requirements for the braceros was to have …
Biogeochemical Evolution Of Cryoconite Holes On Canada Glacier, Taylor Valley, Antarctica, Elizabeth A. Bagshaw, Martyn Tranter, Andrew G. Fountain, Kathleen A. Welch, Hassan J. Basagic, W. Berry Lyons
Biogeochemical Evolution Of Cryoconite Holes On Canada Glacier, Taylor Valley, Antarctica, Elizabeth A. Bagshaw, Martyn Tranter, Andrew G. Fountain, Kathleen A. Welch, Hassan J. Basagic, W. Berry Lyons
Geography Faculty Publications and Presentations
The cryoconite holes of the McMurdo Dry Valleys are simple, closed biogeochemical systems involving water, ice, mineral and organic debris, which serve as ecosystems for consortia of microorganisms. This study is the first to document the seasonal and annual chemical evolution of solutes in cryoconite holes. Samples of glacier ice, frozen cryoconite holes and those containing water were collected during the austral summer of 2005–2006. The isolation age was calculated from the excess Cl‾ in the holes, and varied from 0 to 5 years (a), consistent with the last hot summer when the cryoconite holes were open to the atmosphere. …
Gene Response Profiles For Daphnia Pulex Exposed To The Environmental Stressor Cadmium Reveals Novel Crustacean Metallothioneins, Joseph R. Shaw, John K. Colbourne, Jennifer C. Davey, Stephen P. Glaholt, Thomas H. Hampton, Celia Y. Chen, Carol L. Folt, Joshua W. Hamilton
Gene Response Profiles For Daphnia Pulex Exposed To The Environmental Stressor Cadmium Reveals Novel Crustacean Metallothioneins, Joseph R. Shaw, John K. Colbourne, Jennifer C. Davey, Stephen P. Glaholt, Thomas H. Hampton, Celia Y. Chen, Carol L. Folt, Joshua W. Hamilton
Dartmouth Scholarship
Genomic research tools such as microarrays are proving to be important resources to study the complex regulation of genes that respond to environmental perturbations. A first generation cDNA microarray was developed for the environmental indicator species Daphnia pulex, to identify genes whose regulation is modulated following exposure to the metal stressor cadmium. Our experiments revealed interesting changes in gene transcription that suggest their biological roles and their potentially toxicological features in responding to this important environmental contaminant.
2007-12-20 Unm News Minute, University Of New Mexico Communication And Marketing Department
2007-12-20 Unm News Minute, University Of New Mexico Communication And Marketing Department
UNM News Minute 2007
No abstract provided.
Clemson Commencement Program, December 2007, Clemson University
Clemson Commencement Program, December 2007, Clemson University
Clemson Commencement Programs
No abstract provided.
The Weekly Challenger, December 20, 2007, The Weekly Challenger, Et Al
The Weekly Challenger, December 20, 2007, The Weekly Challenger, Et Al
Weekly Challenger Newspaper Collection
The December 20, 2007, issue of The Weekly Challenger.
Identification Of A Novel Conserved Mixed-Isoform B56 Regulatory Subunit And Spatiotemporal Regulation Of Protein Phosphatase 2a During Xenopus Laevis Development, Sungmin Baek, Joni M. Seeling
Identification Of A Novel Conserved Mixed-Isoform B56 Regulatory Subunit And Spatiotemporal Regulation Of Protein Phosphatase 2a During Xenopus Laevis Development, Sungmin Baek, Joni M. Seeling
Publications and Research
Background Wnt signaling is a key regulator of development and tumorigenesis. Protein phosphatase 2A (PP2A), which consists of a catalytic C, a structural A, and a regulatory B subunit, plays diverse roles in Wnt signaling through its B56 subunits. B56 is a multigene family encoding for proteins with a conserved core domain and divergent amino- and carboxy-termini. Ectopic B56α and B56γ reduce β-catenin abundance and B56α reduces Wnt-dependent transcription, suggesting that B56α and B56γ inhibit Wnt signaling. In contrast, B56ε is required for Wnt signaling. Knowledge of where and when B56 subunits are expressed during Xenopus development will aid in …
Repeated N-Acetylcysteine Administration Alters Plasticity-Dependent Effects Of Cocaine, Aric Madayag, Doug Lobner, Kristen S. Kau, John R. Mantsch, Omer Abdulhameed, Matthew Hearing, Mark D. Grier, David A. Baker
Repeated N-Acetylcysteine Administration Alters Plasticity-Dependent Effects Of Cocaine, Aric Madayag, Doug Lobner, Kristen S. Kau, John R. Mantsch, Omer Abdulhameed, Matthew Hearing, Mark D. Grier, David A. Baker
Biomedical Sciences Faculty Research and Publications
Cocaine produces a persistent reduction in cystine–glutamate exchange via system xc− in the nucleus accumbens that may contribute to pathological glutamate signaling linked to addiction. System xc− influences glutamate neurotransmission by maintaining basal, extracellular glutamate in the nucleus accumbens, which, in turn, shapes synaptic activity by stimulating group II metabotropic glutamate autoreceptors. In the present study, we tested the hypothesis that a long-term reduction in system xc− activity is part of the plasticity produced by repeated cocaine that results in the establishment of compulsive drug seeking. To test this, the cysteine prodrug N-acetylcysteine …
Um Lands Two Prestigious Awards For Early-Career Scientists, University Of Montana--Missoula. Office Of University Relations
Um Lands Two Prestigious Awards For Early-Career Scientists, University Of Montana--Missoula. Office Of University Relations
University of Montana News Releases, 1928, 1956-present
No abstract provided.
Exploration Of Kani Tribal Botanical Knowledge In Agasthiayamalai Biosphere Reserve - South India, John De Britto, R. Mahesh
Exploration Of Kani Tribal Botanical Knowledge In Agasthiayamalai Biosphere Reserve - South India, John De Britto, R. Mahesh
Ethnobotanical Leaflets
Since traditional herbal remedies are based on ancestral knowledge and empiric experiences of tribes, an ethnomedicinal survey was undertaken to collect information appeared to be useful for the research on medicinal plants of the Agasthiayamalai Biosphere Reserve in Tirunelveli district of Tamil Nadu during October 2005- December 2006. The ancestral traditional knowledge of Kani people including reliable hakims, physicians in five settlements (Tirunelveli zones) the native plants used for the preparation of drugs and methods of their administration along with doses were recorded, collected through questionnaire as well as informal personal interviews during field trips. The exploration of ethno medicinal …
The Dose-Response Of Maternal Exercise Volume On Newborn And Placental Outcomes, Melisa A. Mena
The Dose-Response Of Maternal Exercise Volume On Newborn And Placental Outcomes, Melisa A. Mena
Open Access Dissertations
Current ACOG guidelines recommend exercise during a low-risk pregnancy for 30 minutes on most, if not all days of the week. However, little is known about how the volume of exercise performed during pregnancy affects fetoplacental size. In addition, the confounding effects of maternal nutrient intake and weight gain, and how they interact with exercise volume to influence fetoplacental size have not been appropriately addressed. Therefore, the purpose of this study was to examine the effects of varying maternal exercise volumes on neonatal birthweight and placental volume, while addressing the influence of maternal nutrient intake and weight gain. Subjects evaluated …
Worldview Construction: International Relations Concepts Embedded In Elementary Social Studies Textbooks, Louise Massey Strauss
Worldview Construction: International Relations Concepts Embedded In Elementary Social Studies Textbooks, Louise Massey Strauss
Open Access Dissertations
Early civic education is crucial for worldview formation compatible with living in an increasingly interdependent world. In U.S. public schools, social studies is the locus of civic education. Social studies textbooks are the container of civic subject matter and teachers are its transmitters. Traditionally, civic education has been linked with national identity creation. In this study, educators are challenged to stimulate a complementary cosmopolitan identity because of social, political, and economic globalization trends and transition to an Information (and instant communication) Age. Using the social constructivist perspective, a content analysis model was developed for multi-state study of elementary social studies …
2007-12-17 Unm News Minute, University Of New Mexico Communication And Marketing Department
2007-12-17 Unm News Minute, University Of New Mexico Communication And Marketing Department
UNM News Minute 2007
No abstract provided.
Monitor Newsletter December 17, 2007, Bowling Green State University
Monitor Newsletter December 17, 2007, Bowling Green State University
Monitor
Official Publication of Bowling Green State University for Faculty and Staff
Nitrogen Fertilization Of Smooth Bromegrass In Interior And Southcentral Alaska, Natalie D. Howard
Nitrogen Fertilization Of Smooth Bromegrass In Interior And Southcentral Alaska, Natalie D. Howard
Plant, Animal and Soil Sciences
Although forage crops occupy the majority of agricultural land in Alaska, best fertilizer management practices to maximize forage yield and quality in Alaska are not well established. The objective of this study was to determine optimum time and rate of nitrogen (N) fertilizer applications to produce high yields of high quality forage in interior and Southcentral Alaska from smooth bromegrass (Bromus inermus). Nine N fertilization treatments, differing in rate and time of application, were applied at four sites. Forage samples were harvested twice per season in 1999 and 2000 to obtain yield and quality values. Nitrogen applied at 225 kg …
December 17, 2007 Reporter, University Of Alabama At Birmingham
December 17, 2007 Reporter, University Of Alabama At Birmingham
eReporter (campus newsletter)
No abstract provided.
Bacteria Associated With Paralytic Shellfish Toxin-Producing Strains Of Anabaena Circinalis, Renee Alaine Raudonis
Bacteria Associated With Paralytic Shellfish Toxin-Producing Strains Of Anabaena Circinalis, Renee Alaine Raudonis
Marine Biology
Paralytic shellfish toxins (PSTs) are produced by dinoflagellates and cyanobacteria. There is growing evidence that bacteria associated with dinoflagellates play a role in the production of PSTs, however, no studies have examined the type of bacteria associated with toxic cyanobacteria or the role these bacteria could play in PST-production or metabolism. Further, there are no known axenic cultures of PST-producing cyanobacteria, suggesting that cyanobacteria are dependent on one or more bacteria for growth/survival. The research reported here examined the bacterial community associated with six Australian freshwater cyanobacterial strains of Anabaena circinalis obtained from the CSIRO, three toxic and three non-toxic. …
A Multi-Proxy Approach To Determine Paleoecological Change Of Mangroves, During The Holocene, In Belize, Central America, Natalie Marie Monacci
A Multi-Proxy Approach To Determine Paleoecological Change Of Mangroves, During The Holocene, In Belize, Central America, Natalie Marie Monacci
Marine Biology
This thesis presents multiple analyses of mangrove peat cores from Spanish Lookout Cay (BT - 79) and from along the banks of the Sibun River (SR-63), Belize to examine ecosystem responses to environmental change during the Holocene. Radiocarbon measurements showed these sites were colonized by mangroves ~8,000 cal. yrs BP and have decreased sedimentation rates from ~6,000 to ~1,000 cal. yrs BP, which is attributed to a decrease in sea-level inundation. Core SR-63 has a change in lithology from primarily mangrove peat to fluvial material at 2,500 cal. yrs BP, which is attributed to erosion inputs of the drainage basin. …
Habitat Use Of Pacific Herring (Clupea Pallasii) In Prince William Sound, Alaska, Seanbob R. Kelly
Habitat Use Of Pacific Herring (Clupea Pallasii) In Prince William Sound, Alaska, Seanbob R. Kelly
Marine Biology
To determine the spawning area contributions of Pacific herring (Clupea pallashii) larvae to nursery bays, otolith chemical analysis was conducted on juvenile fish collected from 1995 to 1997 in Prince William Sound, Alaska. The otolith edge, representing the chemical signature of the known capture location, and the otolith core, representing the unknown spawning ground chemistry, were compared with discriminant function analysis to infer spawning area origin. Chemical signatures of ⁸⁷Sr/⁸⁶Sr, ⁸⁸Sr/⁴⁸Ca, ²⁴Mg/⁴⁸Ca, and ¹³⁸Ba/⁴⁸Ca were used to identify broad spawning regions from inner and outer PWS that persisted for the three years sampling period despite significant interannual variability in otolith …
Oral Immunization Of Rhesus Macaques With Adenoviral Hiv Vaccines Using Enteric-Coated Capsules, George T. Mercier, Pramod N. Nehete, Marco F. Passeri, Bharti N. Nehete, Eric A. Weaver, Nancy Smyth Templeton, Kimberly Schluns, Stephanie S. Buchl, K. Buchl, Michael A. Barry
Oral Immunization Of Rhesus Macaques With Adenoviral Hiv Vaccines Using Enteric-Coated Capsules, George T. Mercier, Pramod N. Nehete, Marco F. Passeri, Bharti N. Nehete, Eric A. Weaver, Nancy Smyth Templeton, Kimberly Schluns, Stephanie S. Buchl, K. Buchl, Michael A. Barry
Nebraska Center for Virology: Faculty Publications
Targeted delivery of vaccine candidates to the gastrointestinal (GI) tract holds potential for mucosal immunization, particularly against mucosal pathogens like the human immunodeficiency virus (HIV). Among the different strategies for achieving targeted release in the GI tract, namely the small intestine, pH sensitive enteric coating polymers have been shown to protect solid oral dosage forms from the harsh digestive environment of the stomach and dissolve relatively rapidly in the small intestine by taking advantage of the luminal pH gradient. We developed an enteric polymethacrylate formulation for coating hydroxy-propyl-methyl-cellulose (HPMC) capsules containing lyophilized Adenoviral type 5 (Ad5) vectors expressing HIV-1 gag …
Post-Breeding Habitat Use By Adult Boreal Toads (Bufo Boreas) After Wildfire In Glacier National Park, Usa, C. Gregory Guscio, Blake R. Hossack, Lisa A. Eby, Paul Stephen Corn
Post-Breeding Habitat Use By Adult Boreal Toads (Bufo Boreas) After Wildfire In Glacier National Park, Usa, C. Gregory Guscio, Blake R. Hossack, Lisa A. Eby, Paul Stephen Corn
United States Geological Survey: Staff Publications
Effects of wildfire on amphibians are complex, and some species may benefit from the severe disturbance of stand-replacing fire. Boreal Toads (Bufo boreas boreas) in Glacier National Park, Montana, USA increased in occurrence after fires in 2001 and 2003. We used radio telemetry to track adult B. boreas in a mosaic of terrestrial habitats with different burn severities to better understand factors related to the post-fire pulse in breeding activity. Toads used severely burned habitats more than expected and partially burned habitats less than expected. No toads were relocated in unburned habitat, but little of the study area …