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190,146 full-text articles. Page 4340 of 4720.

Tolerance Of Two Invasive Thistles To Repeated Disturbance, Rui Zhang, Mason Heberling, Emily Haner, Katriona Shea 2010 Pennsylvania State University

Tolerance Of Two Invasive Thistles To Repeated Disturbance, Rui Zhang, Mason Heberling, Emily Haner, Katriona Shea

Mason Heberling

No abstract provided.


Mammalian-Based Bioreporter Targets: Protein Expression For Bioluminescent And Fluorescent Detection In The Mammalian Cellular Background, D. Close, S. Ripp, Gary Sayler 2010 University of Tennessee, Knoxville

Mammalian-Based Bioreporter Targets: Protein Expression For Bioluminescent And Fluorescent Detection In The Mammalian Cellular Background, D. Close, S. Ripp, Gary Sayler

Gary S. Sayler

A biosensor is a detecting device that combines a transducer with a biologically sensitive and selective component. Biosensors can measure compounds present in the environment, chemical processes, food and human body at low cost if compared with traditional analytical techniques. This book covers a wide range of aspects and issues related to biosensor technology, bringing together researchers from 16 different countries. The book consists of 24 chapters written by 76 authors and divided in three sections: Biosensors Technology and Materials, Biosensors for Health and Biosensors for Environment and Biosecurity.


Population Growth Of Mexican Free-Tailed Bats (Tadarida Braziliensis Mexicana) Predates Human Agricultural Activity, A. Russell, M. Cox, V. Brown, Gary McCracken 2010 University of Tennessee, Knoxville

Population Growth Of Mexican Free-Tailed Bats (Tadarida Braziliensis Mexicana) Predates Human Agricultural Activity, A. Russell, M. Cox, V. Brown, Gary Mccracken

Gary F. McCracken

Background

Human activities, such as agriculture, hunting, and habitat modification, exert a significant effect on native species. Although many species have suffered population declines, increased population fragmentation, or even extinction in connection with these human impacts, others seem to have benefitted from human modification of their habitat. Here we examine whether population growth in an insectivorous bat (Tadarida brasiliensis mexicana) can be attributed to the widespread expansion of agriculture in North America following European settlement. Colonies of T. b. mexicana are extremely large (~106 individuals) and, in the modern era, major agricultural insect pests form an important component of their ...


The Microbe As A Reporter: Microbial Bioreporter Sensing Technologies For Chemical And Biological Detection, S. Ripp, A. Layton, Gary Sayler 2010 University of Tennessee, Knoxville

The Microbe As A Reporter: Microbial Bioreporter Sensing Technologies For Chemical And Biological Detection, S. Ripp, A. Layton, Gary Sayler

Gary S. Sayler

With contributions from a broad range of leading researchers this book focuses on current technology and its applications. Although aimed primarily at research scientists and graduate students in water microbiology, the topics and techniques are equally applicable to all branches of environmental microbiology. The initial chapters cover the concentration, detection and characterization of microbes in drinking water, other chapters are technology focused and cover topics such as geochips and microarrays and their applications, Raman microspectroscopy and related single cell techniques, the use of amoebae hosts, bacteria and bacteriophage as bioreporters, viability of detected microbes and fecal source tracking. Authors have ...


Impact Of Population And Latrines On Fecal Contamination Of Ponds In Rural Bangladesh, Peter Knappett, Veronica Escamilla, Alice Layton, Larry McKay, Michael Emch, Daniel Williams, R. Huq, J. Alam, Labony Farhana, Brian Mailloux, Andy Ferguson, Gary Sayler, Kazi Ahmed, Alexander Geen 2010 University of Tennessee, Knoxville

Impact Of Population And Latrines On Fecal Contamination Of Ponds In Rural Bangladesh, Peter Knappett, Veronica Escamilla, Alice Layton, Larry Mckay, Michael Emch, Daniel Williams, R. Huq, J. Alam, Labony Farhana, Brian Mailloux, Andy Ferguson, Gary Sayler, Kazi Ahmed, Alexander Geen

Gary S. Sayler

A majority of households in Bangladesh rely on pond water for hygiene. Exposure to pond water fecal contamination could therefore still contribute to diarrheal disease despite the installation of numerous tubewells for drinking. The objectives of this study are to determine the predominant sources (human or livestock) of fecal pollution in ponds and examine the association between local population, latrine density, latrine quality and concentrations of fecal bacteria and pathogens in pond water. Forty-three ponds were analyzed for E. coli using culture-based methods and E. coli, Bacteroidales and adenovirus using quantitative PCR. Population and sanitation spatial data were collected and ...


Phage-Mediated Detection Of Biological Threats,, Steven Ripp 2010 University of Tennessee - Knoxville

Phage-Mediated Detection Of Biological Threats,, Steven Ripp

Steven Ripp

Several books and many papers have been published during the last decade on the design and the use of new nanomaterials in medicine and technology, which describe major concepts of nanotechnology. Meanwhile, a new promising type of nanomaterials-bacteriophages-emerged recently as a result of the evolution of phage display technique. Bacteriophages have a unique feature - completely the opposite of other nanomaterials -their structure and function are encrypted in their genomic DNA, which can be intentionally modified or even rewritten using routine genetic engineering techniques. In particular, a paradigm of landscape phage with multivalently displayed foreign peptides evolved, which allows constructing phage ...


Invasion Biology, Mark Davis 2010 Macalester College

Invasion Biology, Mark Davis

Mark Davis

No abstract provided.


Application Timing Affects Bermudagrass Suppression With Mixtures Of Fluazifop And Triclopyr, Jim Brosnan, G Breeden, M Elmore, J Zidek 2010 University of Tennessee, Knoxville

Application Timing Affects Bermudagrass Suppression With Mixtures Of Fluazifop And Triclopyr, Jim Brosnan, G Breeden, M Elmore, J Zidek

Jim Brosnan

Bermudagrass is a troublesome weed of zoysiagrass golf-course fairways. Field research was conducted in 2009 and 2010 evaluating bermudagrass suppression with applications of fluazifop plus triclopyr at various timings. Three rates of fluazifop (0.10, 0.21, and 0.32 kg ai ha−1) were applied with triclopyr (1.12 kg ae ha−1) once six thresholds of growing-degree-day accumulation (GDD10C) had been reached: 200, 450, 825, 1,275, 1,775, and 2,250 GDD10C. Yearly accumulated GDD10C values were calculated with a base temperature of 10 C beginning on 1 January. Applications at 200 and 2,250 GDD10C suppressed ...


Proteomic Responses In Arabidopsis Thaliana Seedlings Treated With Ethylene, Ruiqiang Chen, Brad Binder, Wesley Garrett, Mark Tucker, Caren Chang, Bret Cooper 2010 University of Maryland - College Park

Proteomic Responses In Arabidopsis Thaliana Seedlings Treated With Ethylene, Ruiqiang Chen, Brad Binder, Wesley Garrett, Mark Tucker, Caren Chang, Bret Cooper

Brad M. Binder

Ethylene (ET) is a volatile hormone that modulates fruit ripening, plant growth, development and stress responses. Key components of the ET-signaling pathway identified by genetic dissection in Arabidopsis thaliana include five ET receptors, the negative regulator CTR1 and the positive regulator EIN2, all of which localize to the endoplasmic reticulum. Mechanisms of signaling among these proteins are still unresolved and targets of ET responses are not fully known. So, we used mass spectrometry to identify proteins in microsomal membrane preparations from etiolated A. thaliana seedlings maintained in ambient air or treated with ET for 3 h. We compared 3814 proteins ...


Effects Of Indian Herbs On The Modulation Of Stress And Immune Response In Tilapia, Ahmed Mustafa, Brittany Byerley, Paul McCain 2010 Indiana University Purdue University Fort Wayne

Effects Of Indian Herbs On The Modulation Of Stress And Immune Response In Tilapia, Ahmed Mustafa, Brittany Byerley, Paul Mccain

Ahmed Mustafa Dr.

No abstract provided.


Analysis Of Environmental Samples With Yeast-Based Bioluminescent Bioreporters, M. Eldridge, J. Sanseverino, G. Umbuzeiro, Gary Sayler 2010 University of Tennessee, Knoxville

Analysis Of Environmental Samples With Yeast-Based Bioluminescent Bioreporters, M. Eldridge, J. Sanseverino, G. Umbuzeiro, Gary Sayler

Gary S. Sayler

"Environmental Monitoring" is a book designed by InTech - Open Access Publisher in collaboration with scientists and researchers from all over the world. The book is designed to present recent research advances and developments in the field of environmental monitoring to a global audience of scientists, researchers, environmental educators, administrators, managers, technicians, students, environmental enthusiasts and the general public. The book consists of a series of sections and chapters addressing topics like the monitoring of heavy metal contaminants in varied environments, biolgical monitoring/ecotoxicological studies; and the use of wireless sensor networks/Geosensor webs in environmental monitoring.


Let The Right One In: A Microeconomic Approach To Partner Choice In Mutualisms, Marco Archetti, Fransisco Úbeda de Torres, Drew Fudenberg, Jerry Green, Naomi Pierce, Douglas Yu 2010 University of Tennessee, Knoxville

Let The Right One In: A Microeconomic Approach To Partner Choice In Mutualisms, Marco Archetti, Fransisco Úbeda De Torres, Drew Fudenberg, Jerry Green, Naomi Pierce, Douglas Yu

Francisco Úbeda de Torres

One of the main problems impeding the evolution of cooperation is partner choice. When information is asymmetric (the quality of a potential partner is known only to himself), it may seem that partner choice is not possible without signaling. Many mutualisms, however, exist without signaling, and the mechanisms by which hosts might select the right partners are unclear. Here we propose a general mechanism of partner choice, “screening,” that is similar to the economic theory of mechanism design. Imposing the appropriate costs and rewards may induce the informed individuals to screen themselves according to their types and therefore allow a ...


Ecopathology Of Ranaviruses Infecting Amphibians., Debra Miller, Matthew Gray, A. Storfer 2010 University of Tennessee, Knoxville

Ecopathology Of Ranaviruses Infecting Amphibians., Debra Miller, Matthew Gray, A. Storfer

Debra L Miller

Ranaviruses are capable of infecting amphibians from at least 14 families and over 70 individual species. Ranaviruses infect multiple cell types, often culminating in organ necrosis and massive hemorrhaging. Subclinical infections have been documented, although their role in ranavirus persistence and emergence remains unclear. Water is an effective transmission medium for ranaviruses, and survival outside the host may be for significant duration. In aquatic communities, amphibians, reptiles and fish may serve as reservoirs. Controlled studies have shown that susceptibility to ranavirus infection and disease varies among amphibian species and developmental stages, and likely is impacted by host-pathogen coevolution, as well ...


Calibrating Divergence Times On Species Tree Versus Gene Trees: Implications For Speciation History Of Aphelocoma Jays, John McCormack, Joseph Heled, Kathleen Delaney, A. Peterson, L. Knowles 2010 Occidental College

Calibrating Divergence Times On Species Tree Versus Gene Trees: Implications For Speciation History Of Aphelocoma Jays, John Mccormack, Joseph Heled, Kathleen Delaney, A. Peterson, L. Knowles

John E. McCormack

Estimates of the timing of divergence are central to testing the underlying causes of speciation. Relaxed molecular clocks and fossil calibration have improved these estimates; however, these advances are implemented in the context of gene trees, which can overestimate divergence times. Here we couple recent innovations for dating speciation events with the analytical power of species trees, where multilocus data are considered in a coalescent context. Divergence times are estimated in the bird genus Aphelocoma to test whether speciation in these jays coincided with mountain uplift or glacial cycles. Gene trees and species trees show general agreement that diversification began ...


Detection Of Human Papillomavirus Dna In Feline Premalignant And Invasive Squamous Cell Carcinoma, SH O'Neill, Kim Newkirk, EA Anis, R Brahmbhatt, LA Frank, Stephen Kania 2010 University of Tennessee - Knoxville

Detection Of Human Papillomavirus Dna In Feline Premalignant And Invasive Squamous Cell Carcinoma, Sh O'Neill, Kim Newkirk, Ea Anis, R Brahmbhatt, La Frank, Stephen Kania

Stephen A Kania

No abstract provided.


Streptococcus Phocae Isolated From A Spotted Seal ( Phoca Largha) With Pyometra In Alaska., K. Hueffer, C. Lieske, L. McGilvary, R. Hare, Debra Miller, T. O'Hara 2010 University of Tennessee, Knoxville

Streptococcus Phocae Isolated From A Spotted Seal ( Phoca Largha) With Pyometra In Alaska., K. Hueffer, C. Lieske, L. Mcgilvary, R. Hare, Debra Miller, T. O'Hara

Debra L Miller

A spotted seal harvested by subsistence hunters in Kotzebue Sound, Alaska (USA), showed a grossly enlarged uterus and associated lymph nodes. Streptococcus phocae was isolated from the purulent uterine discharge. Histopathologic examination revealed inflammation that was limited to the uterine mucosa. Lymph nodes draining the affected organ were reactive but no evidence of active infection was found in the lymph nodes. This report is the first Streptococcus phocae isolated from spotted seals as well as the first report of pyometra as the main pathologic finding associated with this pathogen. Isolation of this pathogen from Alaska expands the reported range to ...


‘Properly, With Love, From Scratch’: Jamie Oliver’S Food Revolution, K. Valentine Cadieux 2010 Hamline University

‘Properly, With Love, From Scratch’: Jamie Oliver’S Food Revolution, K. Valentine Cadieux

K. Valentine Cadieux

What to eat is of great concern to the U.S. public; it is the subject of social organizing at many scales and the focus of significant academic discussion. This article analyzesJamie Oliver's Food Revolution (JOFR), a much-discussed reality show that aired in 2010 in the United States, in which English celebrity chef Jamie Oliver, well known in the United Kingdom for directing government and public attention to school lunch, brought his campaign to promote fresh-cooked food to Huntington, West Virginia. We recognize the capacity of JOFR to encourage people to act on behalf of their and their ...


Tmdl Implementation In Agricultural Landscapes: A Systemic And Communicative Approach, K. Valentine Cadieux 2010 Hamline University

Tmdl Implementation In Agricultural Landscapes: A Systemic And Communicative Approach, K. Valentine Cadieux

K. Valentine Cadieux

Increasingly, total maximum daily load (TMDL) limits are being defined for agricultural watersheds. Reductions in non-point source pollution are often needed to meet TMDL limits, and improvements in management of annual crops appear insufficient to achieve the necessary reductions. Increased adoption of perennial crops and other changes in agricultural land use also appear necessary, but face major barriers. We outline a novel strategy that aims to create new economic opportunities for land-owners and other stakeholders and thereby to attract their voluntary participation in land-use change needed to meet TMDLs. Our strategy has two key elements. First, focused efforts are needed ...


Embryonic Staging Table For A Direct- Developing Salamander, Plethodon Cinereus (Plethodontidae), Ryan Kerney 2010 Dalhousie University

Embryonic Staging Table For A Direct- Developing Salamander, Plethodon Cinereus (Plethodontidae), Ryan Kerney

Ryan Kerney

This work presents a refined staging table for the direct-developing red-backed salamander Plethodon cinereus, which is based on the incom- plete staging system of James Norman Dent (J Morphol 1942; 71:577– 601). This common species from eastern North America is a member of the species-rich lungless salamander family Plethodontidae. The stag- ing table presented here covers several stages omitted by Dent and reveals novel developmental features of P. cinereus embryos. These include putative Leydig cells and open gill clefts, which are found in lar- vae of metamorphosing species but were previously reported as absent in direct-developing Plethodon. Other features ...


Smooth Crabgrass Control With Indaziflam At Various Spring Timings, Jim Brosnan, P McCullough, G Breeden 2010 University of Tennessee, Knoxville

Smooth Crabgrass Control With Indaziflam At Various Spring Timings, Jim Brosnan, P Mccullough, G Breeden

Jim Brosnan

Indaziflam is an alkylazine herbicide that controls annual grasses by inhibiting cellulose biosynthesis. Compared with other PRE herbicides like prodiamine, indaziflam has a longer half-life in soil (> 150 d), which may allow for greater flexibility with application timing. Research was conducted in 2010 in Tennessee and Georgia evaluating smooth crabgrass control efficacy with indaziflam applied at early PRE, PRE, and early POST timings on the basis of soil temperature. Regardless of application timing, all rates of indaziflam (35, 52.5, and 70 g ai ha−1) controlled smooth crabgrass 89 to 100%. Prodiamine at 840 g ai ha−1 applied ...


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