bluuebunny/crossref_metadata_2025_split huggingface dataset:
A robust adaptive dynamic surface control for a class of nonlinear systems with unknown Prandtl–Ishilinskii hysteresis
Authors: Zhang Xiuyu , Lin Yan , Mao Jianqin 
Published: September 2010

AbstractIn this paper, a robust adaptive dynamic surface control for a class of uncertain perturbed strict‐feedback nonlinear systems preceded by unknown Prandtl–Ishlinskii hysteresis is proposed. The main advantages of our scheme are that the explosion of complexity problem can be eliminated when the hysteresis is fused with backstepping design and, by introducing an initialization technique, the ℒ︁∞performance of system tracking error can be achieved. It is proved that the new scheme can guarantee semi‐global uniform ultimate boundedness of all closed‐loop signals and make the convergence of the tracking error to an arbitrarily small residual set. Simulation results are presented to demonstrate the efficiency of the proposed scheme. Copyright © 2010 John Wiley & Sons, Ltd.
Salvaging science literacy
Authors: Feinstein Noah 
Published: September 2010

AbstractThere is little evidence that the prevailing strategies of science education have an impact on the use and interpretation of science in daily life. Most science educators and science education researchers nonetheless believe that science education is intrinsically useful for students who do not go on to scientific or technical careers. This essay focuses on the “usefulness” aspect of science literacy, which I contend has largely been reduced to a rhetorical claim. A truly useful version of science literacy must be connected to the real uses of science in daily life—what is sometimes called public engagement with science. A small number of science education researchers have already begun to connect science education and the broader field of public engagement with science. Their work, as well as the work of researchers who study public engagement, suggests that it is possible to salvage the “usefulness” of science literacy by helping students become competent outsiders with respect to science. © 2010 Wiley Periodicals, Inc. Sci Ed 95: 168–185, 2011
An integration experience of a software architecture and a monitoring infrastructure to deploy applications with non‐functional requirements in computing grids
Authors: Sztajnberg Alexandre , Granja Rodrigo Souza , Cesário Jeane , Monteiro André Felipe Almeida 
Published: September 2010

AbstractResource management is an important aspect to consider regarding applications that might have different non‐functional or operational requirements, when running in distributed and heterogeneous environments. In this context, it is necessary to provide the means to specify the required resource constraints and an infrastructure that can adapt the applications in light of the changes in resource availability. We adopted a contract‐based approach to describe and maintain parallel applications that have non‐functional requirements in a Computing Grid context, called ZeliGrid. To form the supporting infrastructure we have designed a software architecture that integrates some of the Globus services, the LDAP and the NWS monitoring services. Some modules that map the contract approach into software artifacts were also integrated to this architecture. This paper addresses the architecture and integration issues of our approach, as well as how we put the pieces together highlighting deployment and implementation details, which have to consider diverse aspects such as monitoring, security and dynamic reconfiguration. Copyright © 2010 John Wiley & Sons, Ltd.
Serving undocumented students: Current law and policy
Authors: Gildersleeve Ryan Evely , Rumann Corey , Mondragón Rodolfo 
Published: September 2010

AbstractThe legal rights and privileges afforded undocumented students in the United States vary by state. It is important that student affairs professionals understand the laws and policies that shape the personal and academic experiences of undocumented students on their campus to meet their unique needs.
“Cursed and blessed”: Examining the socioemotional and academic experiences of undocumented Latina and Latino college students
Authors: Pérez William , Cortés Richard D. , Ramos Karina , Coronado Heidi 
Published: September 2010

AbstractAlthough many undocumented high school students are demonstrated student leaders with records of outstanding academic achievement, their higher education prospects in the United States are limited due to their legal status. Many of these students enter higher education with academic and emotional challenges that need to be understood and addressed by student affairs professionals.
Transplantation of GABAergic Neurons from ESCs Attenuates Tactile Hypersensitivity Following Spinal Cord Injury
Authors: Kim Dae-Sung , Jung Se Jung , Nam Taick Sang , Jeon Young Hoon , Lee Dongjin R. , Lee Jae Souk , Leem Joong Woo , Kim Dong-Wook 
Published: September 2010

Abstract
We investigated the therapeutic potential of mouse ESC-derived gamma-amino butyric acid (GABA)ergic neurons (∼74% of total neurons in vitro) to reduce neuropathic pain following spinal cord injury (SCI) in rats. Spinal cord hemisection at the T13 segment, which is used as a rat SCI pain model, induced tactile hypersensitivity of the hind paw, as evidenced by decreased paw withdrawal thresholds in response to von Frey filaments, and also induced hyperexcitability of wide dynamic range neurons in the lumbar spinal cord in response to natural cutaneous stimuli. At 2 weeks posthemisection, GABAergic neurons (500,000 cells) were transplanted into the subarachnoid space of the spinal lumbar enlargement via a modified lumbar puncture technique. The transplantation of GABAergic neurons led to long-term attenuation of hemisection-induced tactile hypersensitivity and neuronal hyperexcitability as compared with vehicle-treated controls. These attenuations were reversed by the application of bicuculline and CGP52432, GABA-A and GABA-B receptor antagonists, respectively, but not by application of the serotonergic receptor antagonist methylsergide, indicating a specific restoration of spinal GABAergic inhibition. Histological data from sections of the lumbar cord in grafts demonstrated that 43.5% of surviving engrafted cells were neurons and located densely in the lower-medial portion of the dorsal funiculi in the spinal white matter. Among the observed neurons, 26.2% were GABAergic. The results suggest that subarachnoid transplantation of ESC-derived GABAergic neurons appear to restore spinal GABAergic inhibitory tone and can be a promising strategy to treat SCI-induced pain.
Non‐linear chirp based UWB waveform design for suppression of NBI
Authors: Bai Zhiquan , Li Xiaotong , Yuan Dongfeng , Kwak Kyungsup 
Published: September 2010

AbstractIn order to alleviate the narrowband interference (NBI) to ultra wideband (UWB) systems, we propose two non‐linear UWB chirp waveforms based on the arctrigonometric and archyperbolic function in this paper. The proposed UWB pulses can obtain good performance in NBI suppression. Both of the two chirp pulses require only the time domain processing because of the inherent relationship between the frequency domain and the time domain. Theoretical analysis and simulation results show that the direct sequence pulse binary amplitude modulation (DS‐BPAM) UWB systems with the proposed chirp waveforms can achieve excellent NBI suppression performance and outperform the linear chirp waveform based UWB system significantly. Copyright © 2010 John Wiley & Sons, Ltd.
Predicted stresses in die‐carrier assemblies in “stretchable” electronics: is there an incentive for using a compliant bond?
Authors: Suhir E. 
Published: September 2010

AbstractA die‐carrier assembly subjected to external tensile forces or to bending moments applied to the “stretchable” carrier is considered. The main objective of the analysis is to develop simple, easy‐to‐use and physically meaningful predictive analytical (“mathematical”) models for the evaluation of the interfacial shearing (in the case of tensile forces) and peeling (in the case of bending moments) stresses in the bonding material, as well as of the normal stress acting in the cross‐sections of the die. Another objective of the analysis is to find out if a compliant bond could provide a sufficient buffering effect, so that the stress in the die is reduced to the allowable level. Our calculations based on the developed models indicate that there exists indeed an incentive for using highly compliant bonds for lower stresses in “stretchable” electronics.
A programming model for BSP with partitioned synchronisation
Authors: Stewart Alan 
Published: September 2010

Abstract

A BSP superstep is a
distributed
computation comprising a number of simultaneously executing processes which may generate asynchronous messages. A superstep terminates with a barrier which enforces a global synchronisation and delivers all ongoing communications. Multilevel supersteps can utilise barriers in which subsets of processes, interacting through
shared
memories, are locally synchronised (partitioned synchronisation). In this paper a state-based semantics, closely related to the classical sequential programming model, is derived for distributed BSP with partitioned synchronisation.
Chest Wall Resection for Adult Soft Tissue Sarcomas and Chondrosarcomas: Analysis of Prognostic Factors
Authors: van Geel Albertus N. , Wouters Michel W. J. M. , Lans Titia E. , Schmitz Paul I. M. , Verhoef Cornelis 
Published: September 2010

AbstractBackgroundWide resection with tumor‐free margins is necessary in soft‐tissue sarcomas to minimize local recurrence and to contribute to long‐term survival. Information about treatment outcome and prognostic factors of adult sarcoma requiring chest wall resection (CWR) is limited.MethodsSixty consecutive patients were retrospectively studied for overall survival (OS), local recurrence‐free survival (LRFS), and disease‐free survival (DFS). Twenty‐one prognostic factors regarding survival were analyzed by univariate analysis using the Kaplan‐Meier method and the log‐rank test.ResultsWith a median survival of 2.5 years, the OS was 46% (33%) at 5 (10) years. The LRFS was 64% at 5 and 10 years, and the DFS was 30% and 25% at 5 and 10 years. At the end of the study period, 26 patients (43%) were alive, of which 20 patients (33%) had no evidence of disease and 40 patients (67%) had no chest wall recurrence. In the group of 9 patients with a radiation‐induced soft‐tissue sarcoma, the median survival was 8 months. Favorable outcome in univariate analysis in OS and LRFS applied for the low‐grade sarcoma, bone invasion, and sternal resection. For OS only, age below 60 years and no radiotherapy were significant factors contributing to an improved survival. CWR was considered radical (R0) at the pathological examination in 43 patients. There were 52 patients with an uneventful recovery. There was one postoperative death.ConclusionsCWR for soft‐tissue sarcoma is a safe surgical procedure with low morbidity and a mortality rate of less than 1%. With proper patient selection acceptable survival can be reached in a large group of patients. Care must be given to patients with radiation‐induced soft‐tissue sarcoma who have a significantly worse prognosis.
Self‐Efficacy in Service‐Learning Community Action Research: Theory, Research, and Practice
Authors: Reeb Roger N. , Folger Susan F. , Langsner Stacey , Ryan Courtney , Crouse Jake 
Published: September 2010

AbstractThe purpose of this article is threefold: In the first section, an overview of research and theory on the self‐efficacy construct is provided, and the central role of self‐efficacy in service‐learning community action research is demonstrated. The second section reviews over 10 years of research validating the Community Service Self‐Efficacy Scale (CSSES), which measures the individual's confidence in his or her own ability to make clinically (meaningfully) significant contributions to the community through service. Within the context of this review, recent (previously unpublished) validation research is also reviewed. Alternate versions of the CSSES, each of which was developed for a specific purpose, are presented. The third section provides recommendations for further research focused on (a) validating the CSSES and (b) examining self‐efficacy as an outcome, moderator, and mediating variable in service‐learning community action research.
One-Pot Synthesis of Biocompatible CdSe/CdS Quantum Dots and Their Applications as Fluorescent Biological Labels
Authors: Zhai Chuanxin , Zhang Hui , Du Ning , Chen Bingdi , Huang Hai , Wu Yulian , Yang Deren 
Published: September 2010

AbstractWe developed a novel one-pot polyol approach for the synthesis of biocompatible CdSe quantum dots (QDs) using poly(acrylic acid) (PAA) as a capping ligand at 240°C. The morphological and structural characterization confirmed the formation of biocompatible and monodisperse CdSe QDs with several nanometers in size. The encapsulation of CdS thin layers on the surface of CdSe QDs (CdSe/CdS core–shell QDs) was used for passivating the defect emission (650 nm) and enhancing the fluorescent quantum yields up to 30% of band-to-band emission (530–600 nm). Moreover, the PL emission peak of CdSe/CdS core–shell QDs could be tuned from 530 to 600 nm by the size of CdSe core. The as-prepared CdSe/CdS core–shell QDs with small size, well water solubility, good monodispersity, and bright PL emission showed high performance as fluorescent cell labels in vitro. The viability of QDs-labeled 293T cells was evaluated using a 3-(4,5-dimethylthiazol)-2-diphenyltertrazolium bromide (MTT) assay. The results showed the satisfactory (>80%) biocompatibility of as-synthesized PAA-capped QDs at the Cd concentration of 15 μg/ml.
Influence of age on reactivity to diverse emotional challenges in low‐ and high‐anxiety rats
Authors: de Oliveira Luciana C. , Gomes Margareth Z. , Brandão Marcus L. 
Published: September 2010

AbstractStudies have revealed that the extent of reactivity of high‐anxiety rats to diverse challenges is different than low‐anxiety rats and have provided important insights into the psychopathology of anxiety. Various factors intervene to allow defensive mechanisms to react to diverse threatening challenges, including ontogeny and the nature of the emotional challenge (e.g., conditioned vs. unconditioned). The present study investigated the extent to which a particular type of fear extrapolates to other emotional responses to diverse threatening challenges. Groups of 30‐ and 60‐day‐old rats were assigned to low freezing behavior (LFB) and high freezing behavior (HFB) groups using the contextual fear conditioning paradigm and subjected to either the fear‐potentiated startle (FPS) test, novelty‐induced ultrasound vocalizations (USVs) or elevated plus‐maze (EPM) tests. At 30 days of age, HFB rats exhibited greater FPS than LFB rats. In contrast, prior selection of HFB and LFB did not affect the performance of 30‐day‐old animals in the EPM and novelty‐induced USVs. Sixty‐day‐old animals exhibited a performance deficit in all three tests. These data suggest that the performance of young rats in animal models of anxiety parallels their selection as LFB and HFB in the contextual fear conditioning paradigm. However, the increased fear‐like behavior exhibited by the 60‐day‐old HFB rats may elicit performance deficits in conditioned and unconditioned fear tests. These results suggest that the interaction between hyperanxiety and age may cause a performance deficit despite the animals' increased fear‐like behavior when facing emotional challenges, thus resembling psychiatric patients in many respects.
A spring and wooded habitat at FLK Zinj and their relevance to origins of human behavior
Authors: Ashley Gail M. , Barboni Doris , Dominguez-Rodrigo Manuel , Bunn Henry T. , Mabulla Audax Z.P. , Diez-Martin Fernando , Barba Rebeca , Baquedano Enrique 
Published: September 2010

AbstractThe 1959 discovery of the hominin fossilZinjanthropus boiseibrought the world's attention to the rich records at Olduvai Gorge, Tanzania. Subsequent excavations of archaeological level 22 (FLK Zinj) Bed I uncovered remains ofHomo habilisand a high-density collection of fossils and Oldowan stone tools. The occurrence of this unusual collection of bones and tools at this specific location has been controversial for decades. We present paleoecological data that provide new insights into the origin of FLK Zinj. Our recent excavations 200 m north of the site uncovered a 0.5-m-thick tufa mound draped by Tuff IC, in the same stratigraphic horizon as level 22. Stable isotope analyses indicate that the carbonates were deposited by a freshwater spring. Phytolith analysis of the waxy clay under Tuff IC revealed abundant woody dicotyledon and palm phytoliths, indicating that the site was wooded to densely wooded. The time equivalency and close physical proximity of the two environments indicate the two are related. This study has provided the first documented evidence of springs in Bed I and these data have important implications for the interpretation of hominin behavior in meat acquisition and the ongoing debate on scavenging versus hunting.
Geomorphic and climatic change over the past 12,900 yr at Swiftcurrent Lake, Glacier National Park, Montana, USA
Authors: MacGregor Kelly R. , Riihimaki Catherine A. , Myrbo Amy , Shapley Mark D. , Jankowski Krista 
Published: September 2010

AbstractGlaciated alpine landscapes are sensitive to changes in climate. Shifts in temperature and precipitation can cause significant changes to glacier size and terminus position, the production and delivery of organic mass, and in the hydrologic energy related to the transport of water and sediment through proglacial environments. A sediment core representing a 12,900-yr record collected from Swiftcurrent Lake, located on the eastern side of Glacier National Park, Montana, was analyzed to assess variability in Holocene and latest Pleistocene environment. The spectral signature of total organic carbon content (%TOC) since ~ 7.6 ka matches that of solar forcing over 70–500 yr timescales. Periodic inputs of dolomite to the lake reflect an increased footprint of Grinnell Glacier, and occur during periods when sediment sinks are reduced, glacial erosion is increased, and hydrologic energy is increased. Grain size, carbon/nitrogen (C/N) ratios, and %TOC broadly define the termination of the Younger Dryas chronozone at Swiftcurrent Lake, as well as major Holocene climate transitions. Variability in core parameters is linked to other records of temperature and aridity in the northern Rocky Mountains over the late Pleistocene and Holocene.
Vocal quality of patients treated for laryngeal tuberculosis, before and after speech therapy
Authors: Ruas A C Nunes , Rolla V Cavalcanti , de Araújo-Melo M H , Moreira J Soares , Valete-Rosalino C M 
Published: September 2010

AbstractObjectives:To evaluate dysphonia in patients treated for laryngeal tuberculosis, and to assess the effect of speech therapy on patients' vocal quality.Materials and methods:Seven of 23 patients with a confirmed diagnosis of laryngeal tuberculosis, treated at the Evandro Chagas Institute of Clinical Research, Oswaldo Cruz Foundation, underwent speech therapy for six months. These seven patients were evaluated by videolaryngoscopy and vocal acoustic analysis, before, during and after a course of speech therapy.Results:The 23 patients with laryngeal tuberculosis comprised five women and 18 men, with ages ranging from 25 to 83 years (mean 41.3 years). Dysphonia was present in 91.3 per cent of these laryngeal tuberculosis patients, being present as the first symptom in 82.6 per cent. In laryngeal tuberculosis patients with dysphonia, laryngeal tuberculosis treatment resulted in dysphonia resolution in only 15.8 per cent. After speech therapy, dysphonia patients had better vocal quality, as demonstrated by statistical analysis of jitter, shimmer, fundamental frequency variability, maximum phonation time, and the ratio between maximum phonation time for voiceless and voiced fricative sounds.Conclusions:Following treatment of laryngeal tuberculosis, the incidence of dysphonia was very high. Speech therapy improved patients' vocal quality.
Epistaxis in patients taking oral anticoagulant and antiplatelet medication: prospective cohort study
Authors: Smith J , Siddiq S , Dyer C , Rainsbury J , Kim D 
Published: September 2010

AbstractObjectives:Epistaxis can be caused or exacerbated by anticoagulant and antiplatelet therapy. This prospective study assessed the prevalence of epistaxis in patients taking anticoagulant and antiplatelet medication, and monitored differences in patients’ clinical courses.Method:Prospective data were collected for consecutive patients referred with epistaxis from the emergency department over a seven-month period. Emergency department records were used to investigate prevalence and referral rates.Results:Over the study period, 290 patients presented to the emergency department with epistaxis; this represented 0.9 per cent of all emergency attendances. Of these patients, 119 (39 per cent) were referred on to the ENT department, 62 per cent of whom were currently taking anticoagulant or antiplatelet medication. Patients taking anticoagulant and antiplatelet medication were a significantly older group (relative risk 1.50 (1.08–2.28),p = 0.01) requiring longer in-patient stays (relative risk 2.50 (1.01–4.97),p = 0.01) and more aggressive local haemostasis measures. Most patients taking warfarin had an international normalised ratio outside the appropriate range for their disease. Hypertension was not a factor in these patients’ clinical course.Conclusion:Increasingly, emergency and ENT departments are being presented with epistaxis in patients taking anticoagulant or antiplatelet medication. A better understanding of such medication and its effects may enable more effective management of these patients.
Of biodiversity and boundaries: a case study of community-based natural resource management practice in the Cardamom Mountains, Cambodia
Authors: LO CASCIO AMANDA , BEILIN RUTH 
Published: September 2010

SUMMARYIn the Cardamom Ranges (Cambodia) community-based natural resource management (CBNRM) is proposed by the international non-governmental organizations (NGOs) community as a natural resource management strategy to achieve the targeted outcomes associated with the protected area (PA) management plan. Local people are expected to participate in CBNRM projects such as community forestry (CF) in order that the protected area management plan can be realized. The experiences of the local people are juxtaposed against the aims of these local biodiversity projects. Overall, it is accepted by the NGOs and government agencies that communities need to be involved in the design and management of the PA and that the protection of biodiversity resources can only occur with the provision of alternatives for local livelihood options to decrease land clearing for agriculture and harvesting of wild foods and animals. This case points to a basic misalignment between biodiversity conservation and CBNRM. Participants in this study contested the meaning and usefulness of the PA and the CF projects. Their concerns were cultural, social, economic and political, exposing uneven relations of power and uncertainty associated with the long term outcomes. Participation itself required scrutiny in this situation, as did the promotion of a global biodiversity ‘good’ over local understandings of place and landscape. Lessons from more than 20 years of participatory CBNRM may be used to reconfigure the CBNRM ideal, to assist planners and implementers towards an integrated approach with biodiversity values reflected in both conservation and local production systems, acknowledging that these systems are culturally constituted.