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Now showing items 3996-4015 of 8973
Fuel Cell Cathode Air Filters: Methodologies for Design and Optimization
(2007-05-15)
Platinum catalyst used in PEM fuel cells experience performance degradation such as reduction in efficiency and life as a result of airborne contaminants. Research on these contaminant effects suggests that the best ...
A Full Life-Cycle Methodology for Structured Use-Centered Quantitative Usability Requirements Specification and Usability Evaluation of Websites
(2009-08-14)
World Wide Web has gained its dominant status in the cyber information and services delivery world in recent years. But how to specify website usability requirements and how to evaluate and improve website usability according ...
Full Scale Testing of Two Excavations in an Unsaturated Piedmont Residual Soil
(2016-01-06)
Residual soil behavior can be difficult to predict using current geotechnical formulas, because it exhibits properties that are not common to transported soils. These unique properties are mainly influenced by the fabric ...
Full-Scale Implementation and Testing of Non-Prestressed Full-Depth Precast Bridge Deck Panels with Continuous Shear Pockets
(2012-08-16)
The Alabama Department of Transportation (ALDOT) currently has over three
miles of major interstate bridges near downtown Birmingham involving approximately
600,000 square feet of deck area with significant levels of ...
FULL-SCALE MECHANISTIC AND PERFORMANCE INVESTIGATION OF A FLEXIBLE PAVEMENT WITH A STABILIZED FOUNDATION
(2021-06-21)
The current study aimed to develop a mechanistic understanding of the behavior of flexible pavements with stabilized foundations through full-scale testing, instrumentation, and simulation. In pursuit of this objective, a ...
A Fully Integrated Sensor Fusion Method Combining a Single Antenna GPS Unit with Electronic Stability Control Sensors
(2011-07-05)
This work presents a method for incorporating GPS (Global Positioning System) and standard roll stability control (RSC) sensors into the electronic stability control (ESC) and RSC systems. It is an adaptation of the very ...
Functional Analysis of an Orientia tsutsugamushi Ankyrin Effector Protein in a Model Eukaryote
(2019-04-18)
Orientia tsutsugamushi is an understudied, gram negative, obligate intracellular
bacterium that is transmitted by mites within the genus Leptotrombidium. This bacterium has an
epidemic area called the Tsutsugamushi ...
Functional Analysis of PRAF1 and Its Effect on Corticotrophic ACTH Secretion
(2007-08-15)
Prenylated Rab acceptor domain family member 1 (PRAF1), a transmembrane Golgi apparatus protein, interacts with Dexras1, a corticotrophic protein that may play a role in glucocorticoid-mediated inhibition of ACTH secretion. ...
Functional Analysis of Two NAC Transcription Factors and Transcriptome Analysis under Drought in Citrullus Colocynthis
(2014-04-23)
Citrullus colocynthis (L.) Schrad, closely related to watermelon (Citrullus lanatus L.), belongs to the Cucurbitaceae family. It can survive arid environments by maintaining its water content without wilting of the leaves ...
Functional and Genetic Analysis of Plant Transcription Factors Involved in the Plant Growth Under Various Environmental Conditions
(2008-05-15)
Arabidopsis serves as a model system for the plant molecular biology. Many biotic and abiotic factors affect plant growth from seed germination to mature plant growth. External factors studied in our research include ...
Functional characterization and pharmacological rescue of the human and porcine neural melanocortin receptors
(2008-08-15)
During the past decade, numerous studies showed that both melanocortin-3 and -4 receptors (MC3R and MC4R) are critically involved in regulation of mammalian energy balance. The MC4R plays a vital role in regulation of food ...
Functional characterization of carboxylesterases in pyrethroid resistant house fly, Musca domestica
(2018-07-26)
House fly, Musca domestica, is a major sanitary pest which can carry and transmit more than 100 human and animal intestinal diseases. Currently, the chemical control with insecticides is still the most efficient weapon to ...
Functional characterization of novel naturally occurring mutations in human melanocortin-3 receptor gene
(2012-12-03)
The prevalence of obesity is increasing in both developed and developing countries. Obesity is a disorder of energy homeostasis, associated with increased risk of diabetes mellitus, cardiovascular diseases and certain types ...
Functional Durability Of A Quartz Crystal Microbalance Sensor For The Rapid Detection Of Salmonella In Liquids From Poultry Packaging
(2000-08-15)
Foodborne disease causes an estimated 4 to 76 million cases of food poisoning with 5,000 associated deaths annually in the United States at a cost of $6.5 –34.9 billion. In poultry products, Salmonella is the most common ...
Functional Genomics Investigation of Siroheme and Heme d1 Biosynthesis
(2019-06-12)
Many bacteria and archaea grow under anaerobic or microaerophilic conditions. In order for these organisms to survive under these conditions, many utilize nitrate or nitrite as terminal electron acceptors for anaerobic ...
Functional Genomics of Air Breathing in Catfish
(2020-05-14)
Channel catfish (Ictalurus punctatus), tra catfish (Pangasianodon hypophthalmus) and walking catfish (Clarias macrocephalus) all belong to order Siluriformes, but I. punctatus does not possess an air breathing organ (ABO) ...
Functional Genomics of Gaba Metabolism in Yeast Thermotolerance
(2008-05-15)
?-Aminobutyric acid (GABA) is a ubiquitous non-protein amino acid which accumulates rapidly in response to diverse environmental stresses. The GABA shunt is a pathway involving three enzymes, glutamate decarboxylase (GAD, ...
Functional Genomics of Soil Bacteria using a Metagenomics Approach
(2012-07-31)
Soil microbial communities are an abundant resource for natural product discovery. Traditional methods such as cultivation of soil microorganisms from soil under laboratory conditions have lead to discovery of new compounds ...
Functional Identification and Characterization of an Arabidopsis thaliana Gene Involved in Vitamin B6 Biosynthesis
(2005-12-15)
Vitamin B6 (pyridoxine) is a biological coenzyme
seemingly involved in environmental stress
tolerance and an important vitamin in human
nutrition produced in plants as well as fungi and
bacteria. A series ...
Functional Roles of Conserved Active Site Amino Acids in the Desulfonation Reaction Catalyzed by the Alkanesulfonate Monooxygenase from Escherichia coli
(2008-12-15)
The flavin-dependent alkanesulfonate monooxygenase (SsuD) catalyzes the oxidation of 1-substituted alkanesulfonates producing sulfite and a corresponding aldehyde in the presence of O2 and FMNH2. The reduced flavin is ...