bluuebunny/crossref_metadata_2025_split huggingface dataset:
Exciton relaxation in PbS quantum dots
Authors: Gaponenko Maxim S. , Buganov Oleg V. , Onushchenko Alexei A. , Hickey Stephen G. , Malyarevich Alexander M. , Tikhomirov Sergei A. , Yumashev Konstantin V. 
Published: September 2010

AbstractExciton relaxation in PbS quantum dots (QDs) in glass and tetrachloroethylene have been investigated and the radiative and non‐radiative relaxation rates of the lowest 1S–1S state have been measured. An estimate of the carrier intra‐band transition rates and their transfer efficiency is calculated. The dependence of the exciton dynamics on the QD surface properties is presented and discussed. (© 2010 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Blood pressure lowering, cardiovascular inhibitory and bronchodilatory actions ofAchillea millefolium
Authors: Khan Arif‐ullah , Gilani Anwarul Hasan 
Published: September 2010

AbstractAchillea millefoliumLinn. (Asteraceae) is used in folk medicine for the treatment of overactive cardiovascular and respiratory ailments. This study describes its hypotensive, cardio‐depressant, vasodilatory and bronchodilatory activities. The crude extract ofAchillea millefolium(Am.Cr) caused a dose‐dependent (1–100 mg/kg) fall in arterial blood pressure of rats under anaesthesia. In spontaneously beating guinea‐pig atrial tissues, Am.Cr exhibited negative inotropic and chronotropic effects. In isolated rabbit aortic rings, Am.Cr at 0.3–10 mg/mL relaxed phenylephrine (PE, 1 µm) and high K+(80 mm)‐induced contractions, as well as suppressed the PE (1 µm) control peaks obtained in Ca++‐free medium, like that caused by verapamil. The vasodilator effect of Am.Cr was partially blocked by Nω‐nitro‐l‐arginine methyl ester in endothelium intact preparations. In guinea‐pig tracheal strips, Am.Cr inhibited carbachol (CCh, 1 µm) and K+‐induced contractions. These results indicate thatAchillea millefoliumexhibits hypotensive, cardiovascular inhibitory and bronchodilatory effects, thus explaining its medicinal use in hyperactive cardiovascular and airway disorders, such as hypertension and asthma. Copyright © 2010 John Wiley & Sons, Ltd.
Absolute stability and stabilization for Lurie networked control systems
Authors: Zeng Hong‐Bing , He Yong , Wu Min , Xiao Shen‐Ping 
Published: September 2010

AbstractThis paper investigates the problem of absolute stability and stabilization for networked control systems (NCSs) with the controlled plant being Lurie systems (Lurie NCSs), in which the network‐induced delays are assumed to be time‐varying and bounded. By considering the relationship between the network‐induced delay and its upper bound, an improved stability criterion for networked control system is proposed. Furthermore, the resulting condition is extended to design a state feedback controller by employing an improved cone complementary linearization (ICCL) algorithm. A numerical example is worked out to illustrate the effectiveness and the benefits of the proposed method. Copyright © 2010 John Wiley & Sons, Ltd.
Fullness of life as minimal unit: Science, technology, engineering, and mathematics (STEM) learning across the life span
Authors: Roth Wolff‐Michael , Eijck Michiel Van 
Published: September 2010

AbstractChallenged by a National Science Foundation–funded conference, 2020 Vision: The Next Generation of STEM Learning Research, in which participants were asked to recognize science, technology, engineering, and mathematics (STEM) learning as lifelong, life‐wide, and life‐deep, we draw upon 20 years of research across the lifespan to propose a new way of thinking about and investigating the topic. We proposeFullness of Life(orTotal Life) as the minimal unit of analysis that allows people generally and researchers specifically to make sense of cognition. This move reverses traditional perspectives: Rather than understanding life from the position of STEM activities, we understand STEM learning from the perspective of life taken as a whole. We propose three attendant concepts that do not focus on stable knowledge content but on (a) the ability to mobilize and augment knowledge (knowledgeability), (b) the necessity to develop the disposition of thedébrouillard/eand bricoleur, and (c) the necessity to conceive knowledgeabilityascollectiveproperty, outcome ofcollectivepraxis. We conclude by commenting on five dimensions suggested as need requirements for implementing a 2020 vision for STEM learning research. © 2010 Wiley Periodicals, Inc.Sci Ed94:1027–1048, 2010
Clinical implementation of the hysteroscopic morcellator for removal of intrauterine myomas and polyps. A retrospective descriptive study
Authors: Hamerlynck Tjalina Wibeke Oona , Dietz Viviane , Schoot Benedictus Christiaan 
Published: September 2010

AbstractThe aim of this study is to report our experience with a novel technique, the hysteroscopic morcellator (HM), for removal of intrauterine myomas and polyps. We performed a retrospective study on 315 women undergoing operative hysteroscopy with the HM in our university-affiliated teaching hospital. We collected data on installation and operating times, fluid deficit, peri- and postoperative complications. In 37 patients undergoing myomectomy with the HM, mean installation time was 8.7 min, mean operating time, 18.2 min, and median fluid deficit, 440 mL. Three out of 37 HM procedures were converted to resectoscopy, related to a type 2 myoma. In 278 patients, mean installation and operating times for polypectomy with the HM were 7.3 min and 6.6 min, respectively. All procedures were uneventful. Implementation of the HM for removal of type 0 and 1 myomas ≤3 cm, and removal of polyps appears safe and effective.
Interdisciplinary Knowledge Translation: Lessons Learned from a Mental Health: Fire Service Collaboration
Authors: Henderson Joanna L. , MacKay Sherri , Peterson-Badali Michele 
Published: September 2010

AbstractCollaborative approaches are being increasingly advocated for addressing a variety of health, mental health and social needs for children, youth and families. Factors important for effective knowledge translation of collaborative approaches of service delivery across disciplines, however, have not been rigorously examined. TAPP‐C: The Arson Prevention Program for Children is an intervention program for child and adolescent firesetters provided collaboratively by fire service and mental health professionals. The present study examined the adopter, innovation, and dissemination characteristics associated with TAPP‐C implementation, protocol adherence and extent of collaboration by 241 community‐based fire service professionals from communities across Ontario. Results revealed that dissemination factors are particularly important for understanding program implementation, adherence and cross‐discipline collaboration. Moreover, the findings of this study show significant benefits to both within discipline (intra‐disciplinary) and across discipline (interdisciplinary) knowledge translation strategies.
Progressive ataxia and myoclonic epilepsy in a patient with a homozygous mutation in the FOLR1 gene
Authors: Pérez‐Dueñas Belén , Toma Claudio , Ormazábal Aida , Muchart Jordi , Sanmartí Francesc , Bombau Georgina , Serrano Mercedes , García‐Cazorla Angels , Cormand Bru , Artuch Rafael 
Published: September 2010

AbstractSeveral unrelated disorders can lead to 5‐methyltetrahydrofolate (5MTHF) depletion in the cerobrospinal fluid (CSF), including primary genetic disorders in folate‐related pathways or those causing defective transport across the blood‐CSF barrier. We report a case of cerebral folate transport deficiency due to a novel homozygous mutation in the FOLR1 gene, in an effort to clarify phenotype–genotype correlation in this newly identified neurometabolic disorder. A previously healthy infant developed an ataxic syndrome in the second year of life, followed by choreic movements and progressive myoclonic epilepsy. At the age of 26 months, we analyzed CSF 5MTHF by HPLC with fluorescence detection and conducted magnetic resonance (MR) imaging and spectroscopy studies. Finally, we performed mutational screening in the coding region of the FOLR1 gene. MR showed a diffuse abnormal signal of the cerebral white matter, cerebellar atrophy and a reduced peak of choline in spectroscopy. A profound deficiency of CSF 5MTHF (2 nmol/L; NV 48‐127) with reduced CSF/plasma folate ratio (0.4; NV 1.5‐3.5) was highly suggestive of defective brain folate‐specific transport across the blood‐CSF/brain barrier. Mutation screening of FOLR1 revealed a new homozygous missense mutation (p.Cys105Arg) that is predicted to abolish a disulfide bond, probably necessary for the correct folding of the protein. Both parents were heterozygous carriers of the same variant. Mutation screening in the FOLR1 gene is advisable in children with profound 5MTHF deficiency and decreased CSF/serum folate ratio. Progressive ataxia and myoclonic epilepsy, together with impaired brain myelination, are clinical hallmarks of the disease.
Assessing the role of differential frost heave in the origin of non-sorted circles
Authors: Peterson Rorik A. 
Published: September 2010

AbstractA. L. Washburn famously proposed and reviewed 19 hypotheses for the origin of patterned ground in periglacial environments over 50 years ago (Washburn, 1956). Of these 19 mechanisms, only a few have been analyzed starting from a fundamental description of the physics to assess their potential contribution to the initiation of patterned ground. Here, differential frost heave (DFH) is investigated as the origin of non-sorted circles in periglacial landscapes. Model results indicating that DFH can spontaneously lead to patterned ground are compared to measurements of patterned ground in the Canadian Arctic Archipelago. The characteristic size of the predicted emerging pattern depends strongly on the maximum depth of freezing but is only weakly dependent on the soil composition. The predicted emerging patterns may also be dramatically different in size with a small change in active layer when a relatively thin (~ 10 cm) insulating snow covers the ground during freezing. The model predicted trends agree with field observations of pattern size and active layer depth at two distinct sites. Although two data points cannot conclusively indicate a trend, this correlation gives support for the possibility of determining some subsurface properties using remote sensing images of surface patterned ground.
The capacity of foodstuffs to induce innate immune activation of human monocytesin vitrois dependent on food content of stimulants of Toll-like receptors 2 and 4
Authors: Erridge Clett 
Published: September 2010

The ingestion of fatty meals is associated with a transient, low-grade systemic inflammatory response in human subjects, involving the activation of circulating monocytes and the secretion of pro-inflammatory cytokines. However, it is not yet clear how different foodstuffs may promote inflammatory signalling. In a screen of forty filter-sterilised soluble extracts from common foodstuffs, seven were found to induce the secretion of TNF-α and IL-6 from human monocytesin vitro.To investigate what may differentiate inflammatory from non-inflammatory food extracts, stimulants of Toll-like receptor (TLR) 2 and TLR4 were quantified using human embryonic kidney-293 cells transfected with each TLR, and calibrated with defined bacterial lipopeptide (BLP) and lipopolysaccharide (LPS) standards. These assays revealed that while most foods contained undetectable levels of TLR2 or TLR4 stimulants, all TNF-α-inducing foods contained stimulants of either TLR2 (up to 1100 ng BLP-equivalent/g) or TLR4 (up to 2700 ng LPS-equivalent/g) in both the soluble and insoluble fractions. TLR stimulants were present mainly in meat products and processed foods, but were minimal or undetectable in fresh fruit and vegetables. The capacity of food extracts to induce TNF-α secretion in monocytes correlated with the content of both TLR2 (r0·837) and TLR4 stimulants (r0·748), and was completely abolished by specific inhibition of TLR2 and TLR4. LPS and BLP were found to be highly resistant to typical cooking times and temperatures, low pH and protease treatment. In conclusion, apparently unspoiled foodstuffs can contain large quantities of stimulants of TLR2 and TLR4, both of which may regulate their capacity to stimulate inflammatory signalling.
A Legislative Proposal for Public Participation in Oil and Gas Decision-Making in Nigeria
Authors: Nwapi Chilenye 
Published: September 2010

AbstractNigeria is on the verge of comprehensively reviewing its oil and gas laws. The review is aimed at, among other things, addressing the conflicts associated with the management of the resources and, especially, the affect on the people of the oil producing region of the country who have been vigorously protesting about their alienation from the resources. Drawing on the international law of public participation in natural resource management, this article seeks to develop a viable legislative framework for public participation in oil and gas decision-making that Nigeria can adopt. A viable legislative framework must take into account the various factors that shape the effectiveness of participation and the elements that promote the objectives of participation. It is premised on the ground that looking to international prescriptions might help to elucidate gaps in domestic laws, as well as alternatives to overcome them.
Will EPAs Foster the Integration of Africa Into World Trade?
Authors: Ukpe Aniekan Iboro 
Published: September 2010

AbstractNew Economic Partnership Agreements were intended to replace the non-reciprocal EU-African, Caribbean and Pacific trade relationship by 1 January 2008, in a bid to further the development of African, Caribbean and Pacific countries under a WTO-compatible framework. African countries and regions failed to conclude any EPAs by that date due to scepticism about the deeper trade implications of EPAs. However, in a move that has seen the disintegration of Africa's EPA negotiating groups and compromised regional integration across the continent, many African countries broke ranks to initial bilateral goods-only Interim Agreements with the EU as a first step towards concluding full EPAs. Exploring an alternative approach to concluding EPAs, this article underscores the point that the Interim Agreements, although seemingly preserving market access preferences for some African countries, are already having devastating effects on regional integration, the very basis of Africa's development strategy.
Variability and Relationships Among Mixolab, Mixograph, and Baking Parameters Based on Multienvironment Spring Wheat Trials
Authors: Caffe‐Treml Melanie , Glover Karl D. , Krishnan Padmanaban G. , Hareland Gary A. 
Published: September 2010

ABSTRACTBecause of the large number of cultivars that require examination in the development of spring wheat (Triticum aestivum L.) cultivars, breeding programs use predictive methods to test end use quality. The Mixograph is a widely used predictive test with which end use quality of many genotypes can be assessed in a short time. By comparison, the Mixolab is a relatively new device with additional capability that might be used for the same purpose. Our objective was to document variability of, and relationships among, 20 parameters obtained from Mixolab, Mixograph, and bake tests. Tests were performed on flour from 18 genotypes grown in 20 environments. Both genotype and environment had significant effects on quality parameter values. Several Mixograph and Mixolab parameters were highly significantly correlated, particularly when genotype mean values over environments were considered. Correlations between loaf volume and Mixolab parameters within environments were inconsistent and suggest that average genotype values over environments will be most useful. For example, the correlation between Mixolab stability and loaf volume (r = 0.25, P < 0.001) was much higher when genotype averages (r = 0.70, P < 0.001) were considered. Our results show that selection for Mixolab stability and water absorption should help delineate and improve the selection of genotypes with greater loaf volume.
Sulfur, Protein Size Distribution, and Free Amino Acids in Flour Mill Streams and Their Relationship to Dough Rheology and Breadmaking Traits
Authors: Liu Ya , Ohm Jae‐Bom , Hareland Gary , Wiersma Jochum , Kaiser Daniel 
Published: September 2010

ABSTRACTThe aim of this study was to analyze sulfur content, protein size distribution, and free amino acids in flour mill streams (FMS) and their associations to dough rheology and breadmaking traits. Break FMS had higher nitrogen and sulfur quantities than reduction FMS. The third break FMS had the highest nitrogen and sulfur contents among FMS but low bread loaf volume partly due to high ash content. Sulfur quantity had greater or equivalent correlations with dough rheology and breadmaking properties compared with nitrogen quantity when the effect of percent ash content was removed statistically. FMS also showed significant quantitative variation in HMW polymeric proteins of the SDS‐unextractable fraction that had greater association with sulfur content and dough rheology and breadmaking traits than other protein fractions. Asparagine, which is a major amino acid in flour, was found at higher levels in the third break and third reduction FMS. Ratio of nitrogen to sulfur was significantly correlated with asparagine concentration (r = 0.73, α = 0.01). This study indicates that information on sulfur, protein size distribution, and free amino acid is potentially useful in research for more precise blending of FMS in commercial flour mills to meet customer specifications for high quality flour.
Organizational Transformation in Transition Economies: Resource‐based and Organizational Learning Perspectives
Authors: Uhlenbruck Klaus , Meyer Klaus E. , Hitt Michael A. 
Published: September 2010

ABSTRACTThe capitalist and socialist societies of the twentieth century assigned firms different roles within their economic systems. Enterprises transforming from socialist to market economies thus face fundamental organizational restructuring. Many former state‐owned firms in the transition economies of Central and Eastern Europe have failed at this task. These firms have pursued primarily defensive downsizing, rather than strategic restructuring, as a result of both internal and external constraints on restructuring strategies.Building on the organizational learning and resource‐based theories, we analyse strategies available to management in privatized, former state‐owned enterprises in transition economies to restructure their organization. Both internal forces promoting or inhibiting the restructuring process, and external constraints arising in the transition context are examined. A model and testable propositions are developed that explain post‐privatization performance. Implications of our research point to the ways in which firms should manage and develop their resource base to transform to competitive enterprises.
Post‐Acquisition Restructuring as Evolutionary Process*
Authors: Meyer Klaus E. , Lieb‐Dóczy Enese 
Published: September 2010

ABSTRACTThe transformation and integration of acquired businesses is subject to tensions between implementing radical change to match the strategy and corporate culture of the acquirer, and promoting what is valuable in resources and cultural attributes in the acquired organization. Analysts’ disagreement arises from different conceptualizations of the nature of resources. We present an evolutionary perspective that demonstrates not only the merits of competitive selection, but of local adaptation of transferred resources and of stimulating the development of local ones.Evidence from 18 original case studies in Hungary and East Germany shows that a defensive focus on short‐term efficiency, i.e. downsizing, may fail to realize the long‐term potential of the organization. Acquirers supporting an evolutionary development of their new subsidiary by providing autonomy and complementary resources might well have to tolerate some slack in the short run, but may realize more of the potential contributions of the acquired assets in the long run.
Literacy in the modern world
Authors: Hall Geoff 
Published: September 2010

Books reviewed in this article:Clark, R. and Ivanic, R. The Politics of WritingHasan, Ruqaiya and Williams, Geoff (eds.). Literacy in Society (Applied Linguistics and Language Study)Johns, Ann M. Text, Role, and Context: Developing Academic Literacies (Cambridge Applied Linguistics)Lankshear, Colin with Gee, James Paul; Knobel, Michele and Searle, Chris. Changing LiteraciesAndre´e, Tabouret‐Keller; Le Page, Robert B.; Gardner‐Chloros, Penelope and Varro, Gabrielle (eds.). Vernacular Literacy: A Re‐evaluation (Oxford Studies in Anthropological Linguistics)
‘GOVERNING CONSUMPTION’: BUYER‐SUPPLIER RELATIONSHIPS IN THE INDONESIAN RETAILING BUSINESS
Authors: Hassler Markus 
Published: September 2010

ABSTRACTThe increasing consolidation and concentration of retailing in developed countries has been a major theme within the commodity chain literature. In particular, the emergence of buyer‐driven commodity chains was predominantly linked to the increasing market power of retailers and brand‐name companies in countries such as the United States, the UK, France and Germany. However, the market and retailing structures of developing countries has so far been largely neglected in the commodity chain literature. Therefore, this paper aims to explore the structural components of clothing retailing in Indonesia and to unravel the governance and inter‐firm relationships within the clothing commodity chain of the Indonesian domestic market.
AIRLINE COMPETITION AT EUROPEAN AIRPORTS
Authors: Frenken Koen , Van Terwisga Siebren , Verburg Thijs , Burghouwt Guillaume 
Published: September 2010

ABSTRACTHub‐and‐spoke networks of airlines create entry barriers at large hub airports. As a result, deregulation does not necessary lead to more competition. In this paper, airline competition at European airports in the 1990s is analysed. Results show important differences between airports, which are related to size and geography. At most airports, competition increased with the successful entrance of new competitors. Yet, competition decreased at hub airports and at airports in the northern periphery in Europe.
MUTUAL SPECIALISATION, SEAPORTS AND THE GEOGRAPHY OF AUTOMOBILE IMPORTS
Authors: Hall Peter V. 
Published: September 2010

ABSTRACTThis paper argues for a more actor‐centred approach in freight transportation studies, one that includes freight shippers and public authorities, as well as carriers, and that pays close attention to the relationships between these actors. One advantage of this approach is that it focuses on the conditions under which global logistics flows may become relatively fixed in particular localities. The perspective is illustrated through a discussion of the geography of port usage by importers of automobiles to the US since 1980. The need to secure space at or near marine terminals for vehicle processing activities is a driving factor in port selection. While the overall trade in automobiles has not become concentrated in fewer ports over the last 20 years, individual firms are concentrating the bulk of their import operations in fewer ports. This mutual specialisation involves a process of interpenetration between actors that is only visible in a disaggregated analysis.