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Articles 1 - 30 of 160
Full-Text Articles in Life Sciences
Laser-Induced Photon-Branched Chain Reaction In A Chemically-Active Gas-Dispersed Medium, Thomas F. George, Renat R. Letfullin, Galen C. Duree
Laser-Induced Photon-Branched Chain Reaction In A Chemically-Active Gas-Dispersed Medium, Thomas F. George, Renat R. Letfullin, Galen C. Duree
Thomas George
Insig2 Gene Polymorphism Is Associated With Increased Subcutaneous Fat In Women And Poor Response To Resistance Training In Men, Funda Orkunoglu-Suer, Heather Gordish-Dressman, Priscilla Clarkson, Paul Thompson, Theodore Angelopoulos, Paul Godron, Niall Moyna, Linda Pescatello, Paul Visich, Robert Zoeller, Brennan Harmon, Richard Seip, Eric Hoffman, Joseph Devaney
Insig2 Gene Polymorphism Is Associated With Increased Subcutaneous Fat In Women And Poor Response To Resistance Training In Men, Funda Orkunoglu-Suer, Heather Gordish-Dressman, Priscilla Clarkson, Paul Thompson, Theodore Angelopoulos, Paul Godron, Niall Moyna, Linda Pescatello, Paul Visich, Robert Zoeller, Brennan Harmon, Richard Seip, Eric Hoffman, Joseph Devaney
Priscilla M. Clarkson
Background A common SNP upstream of the INSIG2 gene, rs7566605 (g.-10,1025G>C, Chr2:118,552,255, NT_022135.15), was reported to be associated with obesity (Body Mass Index, [BMI]) in a genome-wide association scan using the Framingham Heart Study but has not been reproduced in other cohorts. As BMI is a relatively insensitive measure of adiposity that is subject to many confounding variables, we sought to determine the relationship between the INSIG2 SNP and subcutaneous fat volumes measured by MRI in a young adult population. Methods We genotyped the INSIG2 SNP rs7566605 in college-aged population enrolled in a controlled resistance-training program, (the Functional Polymorphism …
Gokilaht®-S 5ec Testing On Culex Quinquefasciatus Say Larvae For An Early Detection In Esterase And Monooxygenase Resistance System, Soam Prakash, Gavendra Singh
Gokilaht®-S 5ec Testing On Culex Quinquefasciatus Say Larvae For An Early Detection In Esterase And Monooxygenase Resistance System, Soam Prakash, Gavendra Singh
Soam Prakash
Giant Sequoia Insect, Disease, And Ecosystem Interactions, Douglas D. Piirto
Giant Sequoia Insect, Disease, And Ecosystem Interactions, Douglas D. Piirto
Douglas D. Piirto
Individual trees of giant sequoia (Sequoia gigantea [Lindl.] Decne.) have demonstrated a capacity to attain both a long life and very large size. It is not uncommon to find old-growth giant sequoia trees in their native range that are 1,500 years old and over 15 feet in diameter at breast height. The ability of individual giant sequoia trees to survive over such long periods of time has often been attributed to the species high resistance to disease, insect, and fire damage. Such a statement, however, is a gross oversimplification, given broader ecosystem and temporal interactions. For example, why isn't there …
Efficacy Of Herbicide Application Methods Used To Control Tanoak (Lithocarpus Densiflorus) In An Uneven-Aged Coast Redwood Management Context, Douglas D. Piirto, Brenda Smith, Eric K. Huff, Scott T. Robinson
Efficacy Of Herbicide Application Methods Used To Control Tanoak (Lithocarpus Densiflorus) In An Uneven-Aged Coast Redwood Management Context, Douglas D. Piirto, Brenda Smith, Eric K. Huff, Scott T. Robinson
Douglas D. Piirto
Three methods of tanoak (Lithocarpus densiflorus [Hook. & Arn.] Rehd.) control involving the application of the amine or ester form of triclopyr were evaluated in this coast redwood uneven-aged forest management study of herbicides. A cut-stump application with the amine form of triclopyr (Garlon 3A), frill cut with the amine form of triclopyr, basal-bark (outer surface) with the ester form of triclopyr (Garlon 4), and an untreated control were replicated three times. The tanoak control results in Douglas-fir (Pseudotsuga menziesii [Mirb.] Franco) and/ or coast redwood (Sequoia sempervirens [D. Don] Endl.) predominated stands obtained in earlier studies …
Cost-Effective Fire Management For Southern California's Chaparral Wilderness: An Analytical Procedure, Chris A. Childers, Douglas D. Piirto
Cost-Effective Fire Management For Southern California's Chaparral Wilderness: An Analytical Procedure, Chris A. Childers, Douglas D. Piirto
Douglas D. Piirto
Fire management has always meant fire suppression to the managers of the chaparral covered southern California National Forests. Today, Forest Service fire management programs must be cost effective, while wilderness fire management objectives are aimed at recreating natural fire regimes. A cost-effectiveness analysis has been developed to compare fire management options for meeting these objectives in California's chaparral wilderness. This paper describes the analytical procedure using examples from a study currently being conducted for the Los Padres National Forest, and discusses some preliminary results.
Distribution Patterns Of Sciurus Niger (Eastern Fox Squirrel) Leaf Nests Within Woodlots Across A Suburban/Urban Landscape, Carmen M. Salsbury
Distribution Patterns Of Sciurus Niger (Eastern Fox Squirrel) Leaf Nests Within Woodlots Across A Suburban/Urban Landscape, Carmen M. Salsbury
Carmen M. Salsbury
To determine habitat characteristics that influence Sciurus niger (Eastern Fox Squirrel) abundance and distribution within a suburban/urban landscape in the midwestern United States, I documented the density and placement of fox squirrel leaf nests in 20 woodlots in the Indianapolis metropolitan area. Marion County, IN. The woodlots varied in size (0.94 to 19.5 ha), approximate age, shape, and degree of isolation from other woodlots and suitable squirrel habitat in the surrounding area. Only 8.0% of nests were located in a tree with another nest, and nests were randomly distributed in all but one woodlot, where they were uniformly dispersed. Nest …
Objectively Measured Physical Activity In Urban Alternative High School Students, John R. Sirard, Martha Y. Kubik, Jayne A. Fulkerson, Chrisa Arcan
Objectively Measured Physical Activity In Urban Alternative High School Students, John R. Sirard, Martha Y. Kubik, Jayne A. Fulkerson, Chrisa Arcan
John Sirard
Introduction—Alternative high school students are an underserved population of youth at greater risk for poor health behaviors and outcomes. Little is known about their physical activity patterns. Purpose—The purpose of this study was to describe 1) physical activity levels of students attending alternative high schools (AHS) in St. Paul/Minneapolis, MN and 2) compliance with wearing a physical activity accelerometer. Methods—Sixty-five students (59% male, 65% <18 years>old, 51% African-American, 17% Caucasian, 32% mixed and other) wore an accelerometer during all waking hours for seven days as part of the baseline assessment for a school-based physical activity and dietary behavior intervention. Accelerometer data …18>
In Vivo Lumbo-Sacral Forces And Moments During Constant Speed Running At Different Stride Lengths, Joseph Seay, W. Scott Selbie, Joseph Hamill
In Vivo Lumbo-Sacral Forces And Moments During Constant Speed Running At Different Stride Lengths, Joseph Seay, W. Scott Selbie, Joseph Hamill
Joseph Hamill
The aim of this study was to introduce a Newton–Euler inverse dynamics model that included reaction force and moment estimation at the lumbo-sacral (L5-S1) and thoraco-lumbar (T12-L1) joints. Data were collected while participants ran over ground at 3.8 m s71 at three different stride lengths: preferred stride length, 20% greater than preferred, and 20% less than preferred. Inputs to the model were ground reaction forces, bilateral lower extremity and pelvis kinematics and inertial parameters, kinematics of the lumbar spine and thorax and inertial parameters of the lumbar segment. Repeated measures ANOVA were performed on the lower extremity sagittal kinematics and …
Melamine Contamination Of Infant Formula In China: The Causes, Food Safety Issues And Public Health Implications, Emmanuel Ohene Afoakwa
Melamine Contamination Of Infant Formula In China: The Causes, Food Safety Issues And Public Health Implications, Emmanuel Ohene Afoakwa
Professor Emmanuel Ohene Afoakwa
No abstract provided.
Efficacy Of Bacillus Sphaericus Against Larvae Of Malaria And Filarial Vectors: An Analysis Of Early Resistance Detection, Soam Prakash, Gavendra Singh
Efficacy Of Bacillus Sphaericus Against Larvae Of Malaria And Filarial Vectors: An Analysis Of Early Resistance Detection, Soam Prakash, Gavendra Singh
Soam Prakash
Impact Of An External Energy On Staphylococcus Epidermis [Atcc –13518] In Relation To Antibiotic Susceptibility And Biochemical Reactions – An Experimental Study, Mahendra Kumar Trivedi, Shrikant Patil
Impact Of An External Energy On Staphylococcus Epidermis [Atcc –13518] In Relation To Antibiotic Susceptibility And Biochemical Reactions – An Experimental Study, Mahendra Kumar Trivedi, Shrikant Patil
Mahendra Kumar Trivedi
In Vitro Clonal Propagation Of Bael (Aegle Marmelos Corr.) Cv. Cishb1 Through Enhanced Axillary Branching, Rajesh Pati
In Vitro Clonal Propagation Of Bael (Aegle Marmelos Corr.) Cv. Cishb1 Through Enhanced Axillary Branching, Rajesh Pati
Rajesh Pati
Rapid clonal micropropagation protocol of Aegle marmelos (L.) Corr. cv. CISH-B1 was achieved by nodal stem segment of mature bearing tree. Three centimeter long shoots having one axillary bud excised from 10-15th nodal region of shoots during September gave quick in vitro bud burst (5.33 days) when cultured on MS medium supplemented with BAP, 8.84 μM + IAA 5.7 μM. The maximum number of proliferated shoots (9.0/explant) were obtained on same medium supplemented with BAP 8.84 μM + IAA 5.7 μM. The micro shoots were rooted (100 %) on ½ strength MS medium supplemented with IBA 49.0 + IAA 5.7 …
Quorum-Sensing Signals In The Microbial Community Of The Cabbage White Butterfly Larval Midgut, Bradley R. Borlee, Grant D. Geske, Courtney Jaime Robinson, Helen E. Blackwell, Jo Handelsman
Quorum-Sensing Signals In The Microbial Community Of The Cabbage White Butterfly Larval Midgut, Bradley R. Borlee, Grant D. Geske, Courtney Jaime Robinson, Helen E. Blackwell, Jo Handelsman
Courtney Robinson
Modelling Tempering Behaviour Of Dark Chocolates From Varying Particle Size Distribution And Fat Content Using Response Surface Methodology, Emmanuel Ohene Afoakwa, Alistair Paterson, Mark Fowler, Joselio Vieira
Modelling Tempering Behaviour Of Dark Chocolates From Varying Particle Size Distribution And Fat Content Using Response Surface Methodology, Emmanuel Ohene Afoakwa, Alistair Paterson, Mark Fowler, Joselio Vieira
Professor Emmanuel Ohene Afoakwa
Central Composite Rotatable Design (CCRD) for K=2 was used to study the combined effects of multi-stage heat exchangers for Stages 1 (14–30 °C) and 2 (12–28 °C) coolant temperatures at constant Stage 3 coolant and holding temperatures during tempering of dark chocolates using laboratory-scale mini-temperer. Quantitative data on chocolate temper index (slope) were obtained for products with varying particle size distribution (PSD) (D90 of 18, 25, 35 and 50 μm) and fat (30% and 35%) content. Regression models generated using stepwise regression analyses were used to plot response surface curves, to study the tempering behaviour of products. The results showed …
A Darwinist View Of The Living Constitution, Scott Dodson
A Darwinist View Of The Living Constitution, Scott Dodson
Scott Dodson
The metaphor of a “living" Constitution imports terms from biology into law and, in the process, relies on biology for its meaning. A proper understanding of biology is therefore central to understanding living constitutionalism. Yet despite its rampant use by both opponents and proponents of living constitutionalism, and despite the current fervent debate over whether biology can be useful to the law, no one has evaluated the metaphor from a biological perspective.
This Essay begins that inquiry in an interdisciplinary study of law, science, and philology. The Essay first evaluates the metaphor as it is currently used and concludes that …
Alfred Russel Wallace, Journalist, Charles H. Smith
Alfred Russel Wallace, Journalist, Charles H. Smith
Charles Kay Smith
No abstract provided.
Causes Of Mortality Of Wild Birds Submitted To The Charles Darwin Research Station, Santa Cruz, Galápagos, Ecuador From 2002-2004, Patricia Parker, Nicole L. Gottdenker, Timothy Walsh, Gustavo Jiménez-Uzcátegui, Franklin Betancourt, Marilyn Cruz, Catherine Soos, R. Eric Miller
Causes Of Mortality Of Wild Birds Submitted To The Charles Darwin Research Station, Santa Cruz, Galápagos, Ecuador From 2002-2004, Patricia Parker, Nicole L. Gottdenker, Timothy Walsh, Gustavo Jiménez-Uzcátegui, Franklin Betancourt, Marilyn Cruz, Catherine Soos, R. Eric Miller
Patricia Parker
Word Sense Disambiguation In Biomedical Ontologies With Term Co-Occurrence Analysis And Document Clustering, Bill Andreopoulos, Dimitra Alexopoulou, Michael Schroeder
Word Sense Disambiguation In Biomedical Ontologies With Term Co-Occurrence Analysis And Document Clustering, Bill Andreopoulos, Dimitra Alexopoulou, Michael Schroeder
William B. Andreopoulos
Aging Enhances Indirect Flight Muscle Fiber Performance Yet Decreases Flight Ability In Drosophila, Mark S. Miller, Panagiotis Lekkas, Joan M. Braddock, Gerrie P. Farman, Bryan A. Ballif, Thomas C. Irving, David W. Maughan, Jim O. Vigoreaux
Aging Enhances Indirect Flight Muscle Fiber Performance Yet Decreases Flight Ability In Drosophila, Mark S. Miller, Panagiotis Lekkas, Joan M. Braddock, Gerrie P. Farman, Bryan A. Ballif, Thomas C. Irving, David W. Maughan, Jim O. Vigoreaux
Mark S. Miller
We investigated the effects of aging on Drosophila melanogaster indirect flight muscle from the whole organism to the actomyosin cross-bridge. Median-aged (49-day-old) flies were flight impaired, had normal myofilament number and packing, barely longer sarcomeres, and slight mitochondrial deterioration compared with young (3-day-old) flies. Old (56-dayold) flies were unable to beat their wings, had deteriorated ultrastructure with severe mitochondrial damage, and their skinned fibers failed to activate with calcium. Small-amplitude sinusoidal length perturbation analysis showed median-aged indirect flight muscle fibers developed greater than twice the isometric force and power output of young fibers, yet cross-bridge kinetics were similar. Large increases …
Highly Conserved Genes In Geobacter Species With Expression Patterns Indicative Of Acetate Limitation, Derek Lovley, Carla Risso, Barbara A. Methé, Hila Elifantz, Dawn E. Holmes
Highly Conserved Genes In Geobacter Species With Expression Patterns Indicative Of Acetate Limitation, Derek Lovley, Carla Risso, Barbara A. Methé, Hila Elifantz, Dawn E. Holmes
Carla Risso
Analysis of the genome of Geobacter sulfurreducens revealed four genes encoding putative symporters with homology to ActP, an acetate transporter in Escherichia coli. Three of these genes, aplA, aplB and aplC, are highly similar (over 90 % identical) and fell within a tight phylogenetic cluster (Group I) consisting entirely of Geobacter homologues. Transcript levels for all three genes increased in response to acetate limitation. The fourth gene, aplD, is phylogenetically distinct (Group II) and its expression was not influenced by acetate availability. Deletion of any one of the three genes in Group I did not significantly affect acetate-dependent growth, suggesting …
Soluble Factors From Plasmodium Falciparum-Infected Erythrocytes Induce Apoptosis In Human Brain Vascular Endothelial And Neuroglia Cells, Winston A. Anderson
Soluble Factors From Plasmodium Falciparum-Infected Erythrocytes Induce Apoptosis In Human Brain Vascular Endothelial And Neuroglia Cells, Winston A. Anderson
Winston Anderson
Flavor Formation And Character In Cocoa And Chocolate: A Critical Review, Emmanuel Ohene Afoakwa, Alistaiar Paterson, Mark Fowler, Angela Ryan
Flavor Formation And Character In Cocoa And Chocolate: A Critical Review, Emmanuel Ohene Afoakwa, Alistaiar Paterson, Mark Fowler, Angela Ryan
Professor Emmanuel Ohene Afoakwa
Chocolate characters not only originate in flavor precursors present in cocoa beans, but are generated during post-harvest treatments and transformed into desirable odor notes in the manufacturing processes. Complex biochemical modifications of bean constituents are further altered by thermal reactions in roasting and conching and in alkalization. However the extent to which the inherent bean constituents from the cocoa genotype, environmental factors, post-harvest treatment and processing technologies influence chocolate flavor formation and relationships with final flavor quality, has not been clear. With increasing speciality niche products in chocolate confectionery, greater understanding of factors contributing to variations in flavor character would …
Simultaneous Confidence Bands For The Coefficient Function In Functional Regression, Philip T. Reiss
Simultaneous Confidence Bands For The Coefficient Function In Functional Regression, Philip T. Reiss
Philip T. Reiss
No abstract provided.
Biocidal Performance Of Acrylated Glyphosate In A Model Photopolymerizable Coating Formulation, Victoria Piunova, Daniel Berger, Douglas C. Neckers, George S. Bullerjahn, Robert Michael Mckay, Andrei V. Federov
Biocidal Performance Of Acrylated Glyphosate In A Model Photopolymerizable Coating Formulation, Victoria Piunova, Daniel Berger, Douglas C. Neckers, George S. Bullerjahn, Robert Michael Mckay, Andrei V. Federov
Robert Michael McKay
Acrylated glyphosate was blended into a model polyolacrylate formulation and copolymerized. The resulting copolymer retains herbicidal activity similar to that of the monomer as indicated by the results of biological tests. No release of biocide from the coating was observed. The potential value of these biologically active acrylic formulations as biofouling compositions has been demonstrated by field trials.
Vitamin Content Of Breast Milk From Hiv-1–Infected Mothers Before And After Flash-Heat Treatment, Kiersten Israel-Ballard, Barbara Abrams, Anna Coutsoudis, Lindiwe Sibeko, Lynn Cheryk, Caroline Chantry
Vitamin Content Of Breast Milk From Hiv-1–Infected Mothers Before And After Flash-Heat Treatment, Kiersten Israel-Ballard, Barbara Abrams, Anna Coutsoudis, Lindiwe Sibeko, Lynn Cheryk, Caroline Chantry
Lindiwe Sibeko
(EBM) as one method to reduce postnatal transmission of human immunodeficiency virus (HIV) in developing countries. Flash-heat is a simple heat treatment method shown to inactivate cell-free HIV. Objective—To determine the effect of flash-heat on vitamin content of milk. Methods—Fresh EBM was collected from 50 HIV+ mothers in Durban, South Africa. Mothers washed their hands and then manually expressed 75–150 mL EBM into sterile jars. Milk was aliquoted to unheated controls or flash-heat (50 mL EBM in a glass jar heated in a 450-mL water jacket in an aluminum pan until water boiled, then EBM removed) simulating field conditions with …
Structure Of A Signal Transduction Regulator, Rack1, From Arabidopsis Thaliana, Hemayet Ullah
Structure Of A Signal Transduction Regulator, Rack1, From Arabidopsis Thaliana, Hemayet Ullah
Hemayet Ullah
Characterization Of Melting Properties In Dark Chocolates From Varying Particle Size Distribution And Composition Using Differential Scanning Calorimetry, Emmanuel Ohene Afoakwa, Alistair Paterson, Mark Fowler, Joselio Vieira
Characterization Of Melting Properties In Dark Chocolates From Varying Particle Size Distribution And Composition Using Differential Scanning Calorimetry, Emmanuel Ohene Afoakwa, Alistair Paterson, Mark Fowler, Joselio Vieira
Professor Emmanuel Ohene Afoakwa
Melting properties in dark chocolates processed from varying particle size distribution (PSD), fat and lecithin content were studied using differential scanning calorimetry (DSC). Compositional parameters were PSD (D90 (90% finer than this size) of 18, 25, 35 and 50 lm), fat (25%, 30% and 35%) and lecithin (0.3% and 0.5%) contents. Variations in PSD had no influence on crystallinity of products. Fat and lecithin content influenced the degree of crystallinity and melting properties (Tend, Tindex and DHmelt) of the products. Increasing fat content caused consistent increases in degree of crystallinity and crystal size distribution, thus effecting significant changes in Tend, …
Inferring Group Differences In Brain Connectivity From Functional Magnetic Resonance Images, Philip T. Reiss
Inferring Group Differences In Brain Connectivity From Functional Magnetic Resonance Images, Philip T. Reiss
Philip T. Reiss
No abstract provided.
School Feeding Programmes In Africa - A Case Study, Emmanuel Ohene Afoakwa
School Feeding Programmes In Africa - A Case Study, Emmanuel Ohene Afoakwa
Professor Emmanuel Ohene Afoakwa
No abstract provided.