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Articles 31 - 60 of 105
Full-Text Articles in Life Sciences
Synthesis, Characterization, Antimicrobial Activity And Applications Of Polyanilineti(Iv)Arsenophosphate Adsorbent For The Analysis Of Organic And Inorganic Pollutants, Mohammad Oves
Mohammad Oves
No abstract provided.
Mitigation Site Soil Characteristics And The Effects Of Inoculation, Nursery Fertilizer Practices And Irrigation On Survival And Growth Of Mesquite (Prosopis Glandulosa) In The Coachella Valley, California, David A. Bainbridge, Marcelle M. Darby
Mitigation Site Soil Characteristics And The Effects Of Inoculation, Nursery Fertilizer Practices And Irrigation On Survival And Growth Of Mesquite (Prosopis Glandulosa) In The Coachella Valley, California, David A. Bainbridge, Marcelle M. Darby
David A Bainbridge
Prosopis glandulosa var. torreyana (mesquite, honey mesquite) is a small to medium sized leguminous tree that was once common in the low desert of California. Widespread destruction of mesquite woodlands in the Coachella Valley of southern California for fuel wood, agricultural and urban development, and urbanization has reduced once vast stands to isolated remnants. The rerouting and widening of Highway 86 in the Coachella Valley was a typical example of ongoing mesquite woodland removal. Despite the recognized need for mitigation, relatively little information on mesquite establishment in California is available. This research explored mesquite establishment by replanting on an abandoned …
Quantifying The Changes In Landscape Configuration Using Open Source Gis. Case Study: Bistrita Subcarpathian Valley, Dan A. Chelaru, Ana M. Oiste, Florin C. Mihai
Quantifying The Changes In Landscape Configuration Using Open Source Gis. Case Study: Bistrita Subcarpathian Valley, Dan A. Chelaru, Ana M. Oiste, Florin C. Mihai
Florin C MIHAI
Gradually, the study of the landscape became a core topic of enviromental studies, due to its interdisciplinary research methods, integrating both natural and socio-economic data. The goal of the study is to quantify the structural evolution of Bistrita subcarpathian valley landscape, by using several GIS applications, having an important role in highlighting its functionality. The applications were realized for the extended area limit of Bistrita subcarpathian valley, which presents a complex landscape morphology, with features ranging from forested mountains to densely populated lowlands. The analysis was based on the two land cover maps resulted from the extraction of the spatial …
Biokimia Dan Teknologi Farmasi: Desain Obat Dan Vaksin Dengan Pendekatan Biomedis Molekular, Usman Sumo Friend Tambunan Usft, Arli A. Parikesit Aap
Biokimia Dan Teknologi Farmasi: Desain Obat Dan Vaksin Dengan Pendekatan Biomedis Molekular, Usman Sumo Friend Tambunan Usft, Arli A. Parikesit Aap
Arli A Parikesit
No abstract provided.
Modeled Impacts Of Cover Crops And Vegetative Barriers On Corn Stover Availability And Soil Quality, Ian J. Bonner, David J. Muth Jr., Joshua B. Koch, Douglas L. Karlen
Modeled Impacts Of Cover Crops And Vegetative Barriers On Corn Stover Availability And Soil Quality, Ian J. Bonner, David J. Muth Jr., Joshua B. Koch, Douglas L. Karlen
David J. Muth
Environmentally benign, economically viable, and socially acceptable agronomic strategies are needed to launch a sustainable lignocellulosic biofuel industry. Our objective was to demonstrate a landscape planning process that can ensure adequate supplies of corn (Zea mays L.) stover feedstock while protecting and improving soil quality. The Landscape Environmental Assessment Framework (LEAF) was used to develop land use strategies that were then scaled up for five U.S. Corn Belt states (Nebraska, Iowa, Illinois, Indiana, and Minnesota) to illustrate the impact that could be achieved. Our results show an annual sustainable stover supply of 194 million Mg without exceeding soil erosion T …
Ligand-Receptor Interactions For Supramolecular Disassembly With Applications In Screening And Drug Delivery, Diego F. Amado Torres
Ligand-Receptor Interactions For Supramolecular Disassembly With Applications In Screening And Drug Delivery, Diego F. Amado Torres
Diego Amado Torres
Proteins have the capacity to bind specific sets of compounds known as ligands, these are small molecules with a recurrent theme in their molecular design that is a characteristic exploited here to (i) identify particular affinities of small molecules for proteins with the aim of using them as ligands, inhibitors, or targeting moieties in more complex systems by means of a methodology that screens small molecules based on protein affinity; (ii) decorate a self-assembling supramolecular system at different positions, making it responsive to a complementary protein with the aim of exploring differences in disassembly and sensitivity of the release of …
Optimal Experimental Design For Parameter Identification And Model Selection, René Schenkendorf
Optimal Experimental Design For Parameter Identification And Model Selection, René Schenkendorf
René Schenkendorf
No abstract provided.
Microbe-Mineral Relationships And Biogenic Mineral Transformations In Actively Venting Deep-Sea Hydrothermal Sulfide Chimneys, Tzihsuan J. Lin
Microbe-Mineral Relationships And Biogenic Mineral Transformations In Actively Venting Deep-Sea Hydrothermal Sulfide Chimneys, Tzihsuan J. Lin
TZIHSUAN J LIN
This dissertation uses a combination of microbiology, mineralogy, and geochemistry to understand dissimilatory iron reduction in hyperthermophilic archaea and the role and potential impact of these and other vent microorganisms within active deep-sea hydrothermal vent chimneys. The central objective of the dissertation is to determine if mineral composition and chimney type are among the primary determinants of microbial community composition and hyperthermophilic, dissimilatory iron reducer growth, in addition to other environmental factors such as nutrient availability, temperature, pH, and chlorinity. This is done using samples and organisms collected from the Endeavour Segment of the Juan de Fuca Ridge in the …
Disaster Management: What India Can Learn From Other Countries, Vivek Kumar Srivastava Dr.
Disaster Management: What India Can Learn From Other Countries, Vivek Kumar Srivastava Dr.
Vivek Kumar Srivastava Dr.
Present paper analyses the Indian response to disasters. It is also a policy paper as it provides the ways which can be useful in mitigating the disaster risks.
Chui Named As Department Chair Of Physical Therapy And Human Movement Science, Kevin Chui Ed
Chui Named As Department Chair Of Physical Therapy And Human Movement Science, Kevin Chui Ed
Kevin Chui
Sacred Heart University recently named Kevin Chui chair of the department of physical therapy and human movement science.
Real-Time Pcr And Real-Time Rt-Pcr Applications In Food Labelling And Gene Expression Studies, Arash Kashani, Tasmanian Institute Of Agriculture
Real-Time Pcr And Real-Time Rt-Pcr Applications In Food Labelling And Gene Expression Studies, Arash Kashani, Tasmanian Institute Of Agriculture
Emily Scott
Polymerase chain reaction (PCR) as a scientific invention, has revolutionized molecular biology and led to real-time PCR and later, real-time reverse transcription PCR (Real-Time RT-PCR). These two techniques enable scientists to conduct PCR detection of amplified gene products and expression analysis of targeted genes. Quantitative polymerase chain reaction (qPCR), also called real-time polymerase chain reaction, is a recent modification to PCR that utilizes fluorescent reporter molecular techniques to monitor the production of amplified products during each cycle of the PCR reaction, and enables both detection and quantification of specific sequences in complex mixtures. Over the past decade, real-time PCR applications …
Short-Term, Mid-Term And Long-Term Effectiveness Of Silicosec® Against Cowpea Weevil, Adel Khashaveh
Short-Term, Mid-Term And Long-Term Effectiveness Of Silicosec® Against Cowpea Weevil, Adel Khashaveh
Adel Khashaveh
The insecticidal efficacy of SilicoSec®; a formulation of diatomaceous earth (DE); was evaluated against cowpea weevil (Callosobruchus maculatus) in cowpea seed at three storage periods: 0, 3 and 6 months. The DE formulation was applied at three dose rates: 0.1, 0.5 and 1 g/kg. The experiments carried out at 25 °C and 55% RH and continuous darkness. The mortality of C. maculatus adults was recorded 72 h after exposure to DE-treated seeds. After mortality count, all insects (dead and alive) were removed from vials and the vials were kept under same condition for a further 35 days to assess progeny …
Mechanisms Of Photoperiod In Regulation Of Rice Flowering, Abdulrahman Mahmoud Dogara, Salisu Muhammad Tahir, Idris Shehu, Mustapha Abbah
Mechanisms Of Photoperiod In Regulation Of Rice Flowering, Abdulrahman Mahmoud Dogara, Salisu Muhammad Tahir, Idris Shehu, Mustapha Abbah
Emily Scott
A study on the photoperiodic control of flower in rice is advancing and rice has become an example of short day plant. Many genes used in flowering time determination in rice have been identified by many methods. The conclusion from these molecular studies is a remarkable conservation of genes which play an important role in the control of flowering time in rice. The rice photoperiod sensitivity gene Hd3a was originally detected as a heading date related quantitative trait locus found on chromosome 6 of rice. High resolution linkage mapping of Hd3a was carried using a huge segregating population derived from …
Effects Of Prey Abundance On Breeding Season Diet Of Northern Goshawks (Accipiter Gentilis) Within An Unusual Prey Landscape, Robert A. Miller, Jay D. Carlisle, Marc J. Bechard
Effects Of Prey Abundance On Breeding Season Diet Of Northern Goshawks (Accipiter Gentilis) Within An Unusual Prey Landscape, Robert A. Miller, Jay D. Carlisle, Marc J. Bechard
Robert Miller
A critical element of diet analysis is species adaptability to alternative prey sources. The breeding season diet of Northern Goshawks (Accipiter gentilis) includes both mammalian and avian species, varies geographically, and is often dependent upon tree squirrels of the genera Sciurus and Tamiasciurus>/i>. We studied alternative prey sources of Northern Goshawks in the South Hills of south-central Idaho, an area where tree squirrels are naturally absent and other prey frequently important in the diet of goshawks, such as smaller corvids, are uncommon. We quantified the diet of goshawks using nest cameras and surveyed abundance of prey using line …
Lichens Of Six Vernal Pools In Acadia National Park, Maine, Usa, Jason Barton, Brett Ciccotelli, Jillian E. Gall, Fred C. Olday, Bruce Connery, Tanner B. Harris, Alan M. Fryday, Nishanta Rajakaruna
Lichens Of Six Vernal Pools In Acadia National Park, Maine, Usa, Jason Barton, Brett Ciccotelli, Jillian E. Gall, Fred C. Olday, Bruce Connery, Tanner B. Harris, Alan M. Fryday, Nishanta Rajakaruna
Nishanta Rajakaruna
Whereas lichen-habitat relations have been well-documented globally, literature on lichens of vernal pools is scant. We surveyed six vernal pools at Acadia National Park on Mount Desert Island, Maine, USA for their lichen diversity. Sixty-seven species were identified, including seven species that are new reports for Acadia National Park: Fuscidea arboricola, Hypogymnia incurvoides, Lepraria finkii, Phaeographis inusta, Ropalospora viridis, Usnea flammea, and Violella fucata. Five species are considered uncommon or only locally common in New England: Everniastrum catawbiense, Hypogymnia krogiae, Pseudevernia cladonia, Usnea flammea, and Usnea merrillii. This …
Effectiveness Of Communication Skills In Decreasing Addiction Tendencies Among Male Students From Cities Within Tehran Province, Seyed Mohammad, Kalantarkousheh, دکتر سید محمد کلانتر کوشه
Effectiveness Of Communication Skills In Decreasing Addiction Tendencies Among Male Students From Cities Within Tehran Province, Seyed Mohammad, Kalantarkousheh, دکتر سید محمد کلانتر کوشه
Seyed Mohammad Kalantarkousheh
This research investigates the effectiveness of teaching communication skills in decreasing the tendency to addiction in guidance school male students. Communication skills are considered to be a component of life skills. This research entails a pre-test /post-test with control group design that includes all guidance school mal e students studying in the cities of Tehran Province. A total of 30 male students were selected according to the random sample cluster method. Half of the population was classified as the test group and the remainder comprised th e control group. This research used the addiction potential s cale (APS) that has …
Synthesis, Physico-Chemical And Antimicrobial Studies Of Ionic Liquid, Mohammad Oves
Synthesis, Physico-Chemical And Antimicrobial Studies Of Ionic Liquid, Mohammad Oves
Mohammad Oves
No abstract provided.
Selection And Phenotypic Characterization Of A Core Collection Of Brachypodium Distachyon Inbred Lines, Ludmilla Tyler, Johnathan U. Fangel, Alexandra D. Fagerström, Michael A. Steinwand, Ted K. Raab, William Gt Willats, John P. Vogel
Selection And Phenotypic Characterization Of A Core Collection Of Brachypodium Distachyon Inbred Lines, Ludmilla Tyler, Johnathan U. Fangel, Alexandra D. Fagerström, Michael A. Steinwand, Ted K. Raab, William Gt Willats, John P. Vogel
Ted K. Raab
The model grass Brachypodium distachyon is increasingly used to study various aspects of grass biology. A large and genotypically diverse collection of B. distachyon germplasm has been assembled by the research community. The natural variation in this collection can serve as a powerful experimental tool for many areas of inquiry, including investigating biomass traits. We surveyed the phenotypic diversity in a large collection of inbred lines and then selected a core collection of lines for more detailed analysis with an emphasis on traits relevant to the use of grasses as biofuel and grain crops. Phenotypic characters examined included plant height, …
Seedling Growth Rates And Light Requirements Of Subtropical Rainforest Trees Associated With Basaltic And Rhyolitic Soils, C H. Lusk, Kerrie M. Sendall, P J. Clarke
Seedling Growth Rates And Light Requirements Of Subtropical Rainforest Trees Associated With Basaltic And Rhyolitic Soils, C H. Lusk, Kerrie M. Sendall, P J. Clarke
Kerrie M Sendall
A trade-off between shade tolerance and growth in open conditions is widely believed to underlie the dynamics of humid forests. Little is known about how the growth versus shade tolerance trade-off interacts with other major trade-offs associated with differential adaptation to major environmental factors besides light. We asked whether the growth versus shade tolerance trade-off differed between subtropical rainforest tree assemblages native to basaltic (fertile) and rhyolitic (infertile) soils in northern New South Wales, because of the allocational costs of adaptation to low nutrient availability. Seedling relative growth rates of six basalt specialists and five rhyolite specialists were measured in …
Epa Targets Nanotechnology: Hi-Ho, Nanosilver, Away?, David L. Wallace, Justin Schenck
Epa Targets Nanotechnology: Hi-Ho, Nanosilver, Away?, David L. Wallace, Justin Schenck
David L Wallace
No abstract provided.
Avian Influenza Virus Prevalence In Migratory Waterfowl In The United States, 2007-2009, Scott R. Groepper Mr., Thomas Deliberto, Mark Vrtiska, Kerri Pedersen, Seth Swafford, Scott Hyngstrom
Avian Influenza Virus Prevalence In Migratory Waterfowl In The United States, 2007-2009, Scott R. Groepper Mr., Thomas Deliberto, Mark Vrtiska, Kerri Pedersen, Seth Swafford, Scott Hyngstrom
Scott R Groepper
SUMMARY. We analyzed 155,535 samples collected for surveillance of avian influenza viruses (AIVs), in the United States from 2007 to 2009, from migratory waterfowl (ducks, geese, and swans). The goal was to elucidate patterns of prevalence by flyway and functional groups to determine targets for future surveillance. Apparent prevalence of AIV was highest in the Pacific Flyway in 2007–2008 (14.2% and 14.1%, respectively), in the Mississippi Flyway in 2009 (16.8%), and lowest each year in the Atlantic Flyway (range, 7.3%–8.9%). Dabbling ducks had higher apparent prevalence of AIV (12.8%–18.8%) than diving ducks (3.9%–6.0%) or geese and swans (3.6%–3.9%). We observed …
Recreating Mesquite Mounds (Nebkas) In The Colorado Desert, David A. Bainbridge
Recreating Mesquite Mounds (Nebkas) In The Colorado Desert, David A. Bainbridge
David A Bainbridge
Accretion dunes or mounds (also known as nebkas or nebkhas) are formed when plants capture and then are partially buried in wind-blown sand. In the San Felipe drainage in the western Colorado Desert, mesquite (Prosopis glandulosa Torrey var. torreyana (L. D. Benson) M. C. Johnston)) forms dunes up to 5 m high. These are ecologically important for both ecosystem structure (primarily habitat) and function (soil accumulation, moisture retention and nutrient cycling). The widening of California state highway 86 damaged and removed several mesquite mounds and the California Department of Transportation asked us to explore techniques for recreating them to reduce …
Soil Penetrometer, David A. Bainbridge
Soil Penetrometer, David A. Bainbridge
David A Bainbridge
A simple easy to build impact soil penetrometer can provide very useful information on soil strength. This can be very important for restoration planning and management of soils in agriculture and forestry.
Soil Solarization, David A. Bainbridge
Soil Solarization, David A. Bainbridge
David A Bainbridge
Soil solarization makes use of the energy of the sun to heat soil and kill weeds and pathogens. Single, double, or bubblepack plastic and be used to increase soil temperature. Multiple growth benefits are often realized.
Bayesian Joint Selection Of Genes And Pathways: Applications In Multiple Myeloma Genomics, Lin Zhang, Jeffrey S. Morris, Jiexin Zhang, Robert Orlowski, Veerabhadran Baladandayuthapani
Bayesian Joint Selection Of Genes And Pathways: Applications In Multiple Myeloma Genomics, Lin Zhang, Jeffrey S. Morris, Jiexin Zhang, Robert Orlowski, Veerabhadran Baladandayuthapani
Jeffrey S. Morris
It is well-established that the development of a disease, especially cancer, is a complex process that results from the joint effects of multiple genes involved in various molecular signaling pathways. In this article, we propose methods to discover genes and molecular pathways significantly associ- ated with clinical outcomes in cancer samples. We exploit the natural hierarchal structure of genes related to a given pathway as a group of interacting genes to conduct selection of both pathways and genes. We posit the problem in a hierarchical structured variable selection (HSVS) framework to analyze the corresponding gene expression data. HSVS methods conduct …
Modelling And Optimal Control Of A Time-Delayed Switched System In Fed-Batch Process, Chongyang Liu, Zhaohua Gong
Modelling And Optimal Control Of A Time-Delayed Switched System In Fed-Batch Process, Chongyang Liu, Zhaohua Gong
Chongyang Liu
The main control goal of the fed-batch process is to maximize the yield of target product as well as to minimize the operation costs simultaneously. Considering the existence of time delay and the switching nature in the fed-batch process, a time-delayed switched system is proposed to formulate the 1,3-propanediol (1,3-PD) production process. Some important properties of the system are also discussed. Taking the switching instants and the terminal time as the control variables, a free terminal time delayed optimal control problem is then presented. Using a time-scaling transformation and parameterizing the switching instants into new parameters, an equivalently optimal control …
Sensitivity Analysis And Parameter Identification For A Nonlinear Time-Delay System In Microbial Fed-Batch Process, Chongyang Liu
Sensitivity Analysis And Parameter Identification For A Nonlinear Time-Delay System In Microbial Fed-Batch Process, Chongyang Liu
Chongyang Liu
Developing suitable dynamic models of bioprocess is a difficult issue in bioscience. In this paper, considering the microbial metabolism mechanism, i.e., the production of new biomass is delayed by the amount of time it takes to metabolize the nutrients, in glycerol bioconversion to 1,3-propanediol, we propose a nonlinear time-delay system to formulate the fed-batch fermentation process. Some important properties are also discussed. Then, in view of the effect of time-delay and the high number of kinetic parameters in the system, the parametric sensitivity analysis is used to determine the key parameters. Finally, a parameter identification model is presented and a …
Pitfalls Of Ascertainment Biases In Genome Annotations—Computing Comparable Protein Domain Distributions In Eukarya, Arli A. Parikesit, Lydia Steiner, Peter F. Stadler, Sonja J. Prohaska
Pitfalls Of Ascertainment Biases In Genome Annotations—Computing Comparable Protein Domain Distributions In Eukarya, Arli A. Parikesit, Lydia Steiner, Peter F. Stadler, Sonja J. Prohaska
Arli A Parikesit
Most investigations into the large-scale patterns of protein evolution are based on gene annotations that have been compiled in reference databases. The use of these resources for quantitative comparisons, however, is complicated by sometimes vast differences in coverage. More importantly, however, we also observe substantial ascertainment biases that cannot be removed by simple normalization procedures. A striking example is provided by the correlations between protein domains. We observe that statistics derived from different computational gene annotation procedure show dramatic discrepancies, and even qualitative changes from negative to positive correlation, when compared to statistics obtained from annotation databases.
Disease Risks Posed By Wild Birds Associated With Agricultural Landscapes, Larry Clark
Disease Risks Posed By Wild Birds Associated With Agricultural Landscapes, Larry Clark
Larry Clark
No abstract provided.
Chapter 7: The Chemical Senses In Birds, Larry Clark
Chapter 7: The Chemical Senses In Birds, Larry Clark
Larry Clark
No abstract provided.