460 research outputs found
Transformations Groups of the Andersson-Perlman Cone
No full text. An Andersson-Perlman cone is a certain subcone\Omega\Gamma K) of the symmetric cone\Omega of a Euclidean Jordan algebra. We exhibit a subgroup of the automorphism group of\Omega which operates transitively on \Omega\Gamma K) and show that \Omega\Gamma K) is a simply-connected submanifold of\Omega . 1. Introduction. Andersson-Perlman cones in the setting of Euclidean Jordan algebras (henceforth abbreviated as AP cones) were introduced by H. Massam and the author in [MN] as a generalization of certain cones defined by the statisticians S. A. Andersson and M. D. Perlman for real symmetric matrices [AP]. All mathematical results in [AP] were generalized in [MN] to the setting of Euclidean Jordan algebras, except the existence of transitive transformation groups which play a predominant role in the development in [AP]. In fact, the paper [MN] stresses a different, perhaps more direct approach to the description of Andersson-Perlman cones by employing Peirce decompositions and Frobeniu..
Fig. 3 in Sertum polynesicum VI. Rubiaceae nouvelles des îles Marquises (Polynésie française) 2. Le genre Hedyotis
No full textFig. 3. — Hedyotis tahuatensis Lorence & J. Florence: A, vue générale; B, stipule; C, fleur, coupe longitudinale; D, infrutescence; E, fruit; F, vieux fruit; G, graine, vue dorsale; H, graine, vue latérale. (A, C, Perlman 15954; B, D-H, Perlman 16020).Published as part of Florence, Jacques & Lorence, David H., 2000, Sertum polynesicum VI. Rubiaceae nouvelles des îles Marquises (Polynésie française) 2. Le genre Hedyotis, pp. 223-230 in Adansonia (3) 22 (2) on page 229, DOI: 10.5281/zenodo.460590
Figure 2 from: Lorence D, Oppenheimer H (2012) A new species of Cyanea (Campanulaceae, Lobelioideae) from Maui, Hawaiian Islands. PhytoKeys 13: 15-23. https://doi.org/10.3897/phytokeys.13.3447
No full textFigure 2 - Cyanea kauaulaensis. A habit, with Steve Perlman (Oppenheimer & Perlman H120806) B base of plants showing new stems arising from decumbent branch (Oppenheimer & Perlman H120806) C juvenile plant (Oppenheimer & Wood H20928) D flowering stem (Oppenheimer & Perlman H120806); photos by H. Oppenheimer
Impact of the Adenoviral E4 Orf3 Protein on the Activity and Posttranslational Modification of p53
No full textOur previous studies have established that the p53 populations that accumulate in normal human cells exposed to etoposide or infected by an E1B 55-kDa protein-null mutant of human adenovirus type 5 carry a large number of posttranslational modifica-tions at numerous residues (C. J. DeHart, J. S. Chahal, S. J. Flint, and D. H. Perlman, Mol Cell Proteomics 13:1–17, 2014, http: //dx.doi.org/10.1074/mcp.M113.030254). In the absence of this E1B protein, the p53 transcriptional program is not induced, and it has been reported that the viral E4 Orf3 protein inactivates p53 (C. Soria, F. E. Estermann, K. C. Espantman, and C. C. O’Shea, Nature 466:1076–1081, 2010
20/21 NEW MUSIC GROUP featuring students of The Shepherd School of Music Saturday, November 20, 2004 8:00 p.m. Hirsch Orchestra Rehearsal Hall
No full textProgram: Cheating, Lying, Stealing / David Lang (b. 1957) -- Natural Hazards / Takuma Itoh (b. 1984) -- Frankenstein!! / H.K. Gruber (b. 1943)
Neurology : neonatology questions and controversies /
No full textNeurology, a volume in Dr. Polin's Neonatology: Questions and Controversies Series, offers expert authority on the toughest neurological challenges you face in your practice. This medical reference book will help you provide better evidence-based care and improve patient outcomes with research on the latest advances. Reconsider how you handle difficult practice issues with coverage that addresses these topics head on and offers opinions from the leading experts in the field, supported by evidence whenever possible. Find information quickly and easily with a consistent chapter organization. Get the most authoritative advice available from world-class neonatologists who have the inside track on new trends and developments in neonatal care. Purchase each volume individually, or get the entire 6-volume set, which includes online access that allows you to search across all titles!Includes bibliographical references and index.Cerebral circulation and hypotension in the premature infant : diagnosis and treatment / Claire W. McLean [and others] -- Intraventricular hemorrhage and white matter injury in the preterm infant / Toshiki Takenouchi, Jeffrey M. Perlman -- Posthemorrhagic hydrocephalus management strategies / Andrew Whitelaw -- The use of hypothermia to provide neuroprotection for neonatal hypoxic-Ischemic brain injury / Abbot R. Laptook -- General supportive management of the term infant with neonatal encephalopathy following intrapartum hypoxia-ischemia / Ericalyn Kasdorf, Jeffrey M. Perlman -- Perinatal stroke / Eliza H. Myers, Laura R. Ment -- Diagnosis and treatment of neonatal seizures / Mark S. Scher -- Glucose and perinatal brain injury : questions and controversies / Jerome Y. Yager -- Hyperbilirubinemia and the risk for brain injury / Steven M. Shapiro -- Neonatal meningitis : current treatment options / David Kaufman -- Neonatal herpes simplex virus and congenital cytomegalovirus infections / David W. Kimberlin -- Pain and stress : potential impact on the developing brain / Lisa Eiland -- Neonatal hypotonia and neuromuscular disorders / Jahannaz Dastgir, Keung-kit Chan, Basil T. Darras -- Amplitude-integrated EEG and its potential role in augmenting management within the NICU / M.C. Toet, Linda de Vries -- Magnetic resonance imaging's role in the care of the infant at risk for brain injury / Gregory A. Lodygensky, Caroline Menache, Petra S. Huppi -- Long-term follow-up of very low-birth-weight infants / Betty R. Vohr.Neurology, a volume in Dr. Polin's Neonatology: Questions and Controversies Series, offers expert authority on the toughest neurological challenges you face in your practice. This medical reference book will help you provide better evidence-based care and improve patient outcomes with research on the latest advances. Reconsider how you handle difficult practice issues with coverage that addresses these topics head on and offers opinions from the leading experts in the field, supported by evidence whenever possible. Find information quickly and easily with a consistent chapter organization. Get the most authoritative advice available from world-class neonatologists who have the inside track on new trends and developments in neonatal care. Purchase each volume individually, or get the entire 6-volume set, which includes online access that allows you to search across all titles!Print version record.Elsevie
Citation Counting, Citation Ranking, and h-Index of Human-Computer Interaction Researchers: A Comparison between Scopus and Web of Science
No full textThis study examines the differences between Scopus and Web of Science in the citation counting, citation ranking, and h-index of 22 top human-computer interaction (HCI) researchers from EQUATOR--a large British Interdisciplinary Research Collaboration project. Results show that Scopus provides significantly more coverage of HCI literature than Web of Science, primarily due to coverage of relevant ACM and IEEE peer-reviewed conference proceedings. No significant differences exist between the two databases if citations in journals only are compared. Although broader coverage of the literature does not significantly alter the relative citation ranking of individual researchers, Scopus helps distinguish between the researchers in a more nuanced fashion than Web of Science in both citation counting and h-index. Scopus also generates significantly different maps of citation networks of individual scholars than those generated by Web of Science. The study also presents a comparison of h-index scores based on Google Scholar with those based on the union of Scopus and Web of Science. The study concludes that Scopus can be used as a sole data source for citation-based research and evaluation in HCI, especially if citations in conference proceedings are sought and that h scores should be manually calculated instead of relying on system calculations
Mechanistic insights into nitrite-induced cardioprotection using an integrated metabolomic/proteomic approach
No full textNitrite has recently emerged as an important bioactive molecule, capable of conferring cardioprotection and a variety of other benefits in the cardiovascular system and elsewhere. The mechanisms by which it accomplishes these functions remain largely unclear. To characterize the dose response and corresponding cardiac sequelae of transient systemic elevations of nitrite, we assessed the time course of oxidation/nitros(yl)ation, as well as the metabolomic, proteomic, and associated functional changes in rat hearts following acute exposure to nitrite in vivo. Transient systemic nitrite elevations resulted in: (1) rapid formation of nitroso and nitrosyl species; (2) moderate short-term changes in cardiac redox status; (3) a pronounced increase in selective manifestations of long-term oxidative stress as evidenced by cardiac ascorbate oxidation, persisting long after changes in nitrite-related metabolites had normalized; (4) lasting reductions in glutathione oxidation (GSSG/GSH) and remarkably concordant nitrite-induced cardioprotection, which both followed a complex dose-response profile; and (5) significant nitrite-induced protein modifications (including phosphorylation) revealed by mass spectrometry-based proteomic studies. Altered proteins included those involved in metabolism (eg, aldehyde dehydrogenase 2, ubiquinone biosynthesis protein CoQ9, lactate dehydrogenase B), redox regulation (eg, protein disulfide isomerase A3), contractile function (eg, filamin-C), and serine/threonine kinase signaling (eg, protein kinase A R1 alpha, protein phosphatase 2A A R1-alpha). Thus, brief elevations in plasma nitrite trigger a concerted cardioprotective response characterized by persistent changes in cardiac metabolism, redox stress, and alterations in myocardial signaling. These findings help elucidate possible mechanisms of nitrite-induced cardioprotection and have implications for nitrite dosing in therapeutic regimens. (Circ Res. 2009; 104: 796-804.
Towards a framework of a secure e-qualification certificate system
No full textwe all receive paper based certificates during our study journey, but they are hard to manage to avoid damage or loss. The field of e-Learning provides technological developments, such as e-portfolios, which enable greater power and flexibility in displaying achievements. These may include on-line versions of certificates of the applicant's attainment which overcome the limitations of paper-based versions. However, these “e-certificates” present a number of practical challenges, which so far have not been addressed, such as the validation of claimed e-qualification certificates. This paper addresses the issues, and explores the gap between current e-portfolio tools and the desired e-qualification certificate system. Through analysis of the existing systems and e-certificate use cases, we have identified existing services that can be reused and the services that require further development, thereby presenting an approach which solves the above problems. Preliminary results indicate that the recommendation from this research meets the design requirements, and could form the foundation of future e-certificate implementations
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