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Search Results: 1 - 10 of 464375 matches for " Armstrong D.S. "
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Recent results from the G0 experiment
Real J.S.,Androi? D.,Armstrong D.S.,Arvieux J.
EPJ Web of Conferences , 2010, DOI: 10.1051/epjconf/20100303004
Abstract: We have measured parity violating asymmetries in elastic electron-proton and quasi-elastic electrondeuteron scattering at backward electron angle. These measurements have been done at two momentum transfers : Q2 = 0.22 and 0.63 (GeV/c)2 . Together with our previous forward angle measurement [1], we can extract strange quark contributions to the electromagnetic form factors of the nucleon, as well as nucleon axial form factor coming from the neutral weak interaction. The results indicate a strange quark magnetic contribution close to zero at these Q2 , and a possible non zero strange quark electric contribution for the high Q2 . The rst Q2 behavior measurement of the nucleon axial form factor in elastic electron scattering shows a good agreement with radiative corrections calculated at Q2 = 0 and with a dipole form using the axial mass determined in neutrino scattering.
Asthma: where is it going?
Faffe, D.S.;
Brazilian Journal of Medical and Biological Research , 2008, DOI: 10.1590/S0100-879X2008005000031
Abstract: asthma is characterized by reversible airway obstruction, airway hyperresponsiveness, and airway inflammation. although our understanding of its pathophysiological mechanisms continues to evolve, the relative contributions of airway hyperresponsiveness and inflammation are still debated. the first mechanism identified as important for asthma was bronchial hyperresponsiveness. in a second step, asthma was recognized also as an inflammatory disease, with chronic inflammation inducing structural changes or remodeling. however, persistence of airway dysfunction despite inflammatory control is observed in chronic severe asthma of both adults and children. more recently, a potential role for epithelial-mesenchymal communication or transition is emerging, with epithelial injury often resulting in a self-sustaining phenotype of wound repair modulation by activation/reactivation of the epithelial-mesenchymal trophic unit, suggesting that chronic asthma can be more than an inflammatory disease. it is noteworthy that the gene-environmental interactions critical for the development of a full asthma phenotype involve processes similar to those occurring in branching morphogenesis. in addition, a central role for airway smooth muscle in the pathogenesis of the disease has been explored, highlighting its secretory function as well as different intrinsic properties compared to normal subjects. these new concepts can potentially shed light on the mechanisms underlying some asthma phenotypes and improve our understanding of the disease in terms of the therapeutic strategies to be applied. how we understand asthma and its mechanisms along time will be the focus of this overview.
Design of Druglike Small Molecules for Possible Inhibition of Antiapoptotic BCL-2, BCL-W, and BFL-1 Proteins
D.S. Dalafave
Biomedical Engineering and Computational Biology , 2012, DOI: 10.4137/BECB.S5575
Abstract: New druglike small molecules with possible anticancer applications were computationally designed. The molecules formed stable complexes with antiapoptotic BCL-2, BCL-W, and BFL-1 proteins. These findings are novel because, to the best of the author’s knowledge, molecules that bind all three of these proteins are not known. A drug based on them should be more economical and better tolerated by patients than a combination of drugs, each targeting a single protein. The calculated drug-related properties of the molecules were similar to those found in most commercial drugs. The molecules were designed and evaluated following a simple, yet effective procedure. The need for substantial computational resources often precludes researchers in many countries and small institutions from participating in the field. The procedure presented here offsets the problem by reducing the cost of involvement. The procedure can be used efficiently in the early phases of drug discovery to evaluate promising lead compounds in time- and cost-effective ways.
A constru o de um espa o dialógico-reflexivo, no contexto interdisciplinar, com vistas à humaniza o do ambiente hospitalar
D.S. Backes
Texto & Contexto - Enfermagem , 2005,
Finite element modelling of open section perforated thin-walled studs made from thin-walled steel profiles
D.S. Shatov
Magazine of Civil Engineering , 2011,
Abstract: The share of constructions made from thin-walled steel profiles grows in Russia every year, however the standard base and quality of calculations remain at low level. However nowadays there is an active scientific work on designing and improving methods of calculations, introduction of new ideas and aspects and their automation. The purpose of the work is the further development of a theoretical and practical component of numerical methods for the solution of problems of linear deformation of thin-walled profiles. Article is devoted to research of work of thin-walled profiles, applying methods of the numerical analysis. In the work deformations and forms of buckling of an open section perforated thin-walled stud, calculated by a method of finite elements are considered. The obtained data is compared with results of tests of the same profiles made in Dortmund technical university in 2009 under the direction of professor Diter Ungerman. The research has shown that finite element method gives us probable results and shows an expected tendency. The difference in results is 10,2 %.
Assessment of branding effectiveness: functional approach
D.S. Fayvishenko
Marketing ì Mened?ment Innovacìj , 2012,
Abstract: The article describes theoretical aspects of branding, feasibility of functional approach as the methodological basis for evaluating the effectiveness of brand is proved.
Chemical management of fruit spot of pomegranate caused by Colletotrichum gloeosporioides Penz. and Sacc.
Indian Phytopathology , 2011,
Herbarium specimens of Toxicodendron P. Mill. section Toxicodendron (Anacardiaceae) as tools for teaching basic concepts in Plant Taxonomy
Senchina, D.S.
Vulpia , 2004,
Abstract: Four undergraduate-level lesson plans are presented utilizing herbarium specimens of Toxicodendron sect. Toxicodendron (the poison ivies, oaks, and sumacs) to teach basic concepts of plant taxonomy. The benefits of using this taxon in the post-secondary classroom are discussed. Tables within the text and sub-sections within the lesson plans are provided to assist instructors with integrating these lesson suggestions into their pre-existing curricula.
Utilizing herbaria in medical botany curricula
Senchina, D.S.
Vulpia , 2006,
Abstract: The importance of plant-based medicines (phytomedicines) is becoming increasingly recognized by scientists, industry, and consumers. Post-secondary institutions, particularly those with strong programs in medicine or pharmacology, are adding or strengthening components of their curricula related to medical botany. Herbaria are uniquely suited to address the instructional needs of medical botany courses (or courses with a medical botany component), but are typically underutilized. Three lesson modules are presented here to demonstrate how herbaria may be used in medical botany curricula, emphasizing the importance of herbarium information in both research and societal contexts. Suggestions are given for how these modules may be incorporated into both botany- and medicine-based courses.
De Surinaamse loonverhoging van 1920
D.S. Huizinga
Nieuwe West-Indische Gids , 1928,
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