bluuebunny/crossref_metadata_2025_split huggingface dataset:
Theorizing, testing, and concluding for mediation in SCM research: Tutorial and procedural recommendations
Authors: Rungtusanatham M. , Miller J.W. , Boyer K.K. 
Published: January 2014

AbstractEmpirical research in Supply Chain Management is increasingly interested in complex models involving mediation effects. We support these endeavors by directing attention to the practices for the theorizing of, the testing for, and the drawing of conclusions about mediation effects. Our paper synthesizes diverse literature in other disciplines to provide an accessible tutorial as to the mathematical foundation of mediation effects and the various methods available to test for these effects. We also provide guidance to SCM scholars in the form of eight recommendations aimed at improving the theorizing of, the testing for, and the drawing of conclusions about mediation effects. Recommendations pertaining to how mediation effects are hypothesized and stated and how to select among methods to test for mediation effects are novel contributions for and beyond the Supply Chain Management discipline.
A continuous multi-millennial record of surficial bivalve mollusk shells from the São Paulo Bight, Brazilian shelf
Authors: Dexter Troy A. , Kaufman Darrell S. , Krause Richard A. , Barbour Wood Susan L. , Simões Marcello G. , Huntley John Warren , Yanes Yurena , Romanek Christopher S. , Kowalewski Michał 
Published: January 2014

AbstractTo evaluate the potential of using surficial shell accumulations for paleoenvironmental studies, an extensive time series of individually dated specimens of the marine infaunal bivalve mollusk Semele casali was assembled using amino acid racemization (AAR) ratios (n = 270) calibrated against radiocarbon ages (n = 32). The shells were collected from surface sediments at multiple sites across a sediment-starved shelf in the shallow sub-tropical São Paulo Bight (São Paulo State, Brazil). The resulting 14C-calibrated AAR time series, one of the largest AAR datasets compiled to date, ranges from modern to 10,307 cal yr BP, is right skewed, and represents a remarkably complete time series: the completeness of the Holocene record is 66% at 250-yr binning resolution and 81% at 500-yr binning resolution. Extensive time-averaging is observed for all sites across the sampled bathymetric range indicating long water depth-invariant survival of carbonate shells at the sediment surface with low net sedimentation rates. Benthic organisms collected from active depositional surfaces can provide multi-millennial time series of biomineral records and serve as a source of geochemical proxy data for reconstructing environmental and climatic trends throughout the Holocene at centennial resolution. Surface sediments can contain time-rich shell accumulations that record the entire Holocene, not just the present.
Estimating SIT-driven population reduction in the Mediterranean fruit fly,Ceratitis capitata, from sterile mating
Authors: Juan-Blasco M. , Sabater-Muñoz B. , Pla I. , Argilés R. , Castañera P. , Jacas J. A. , Ibáñez-Gual M. V. , Urbaneja A. 
Published: January 2014

AbstractArea-wide sterile insect technique (SIT) programs assume that offspring reduction of the target population correlates with the mating success of the sterile males released. However, there is a lack of monitoring tools to prove the success of these programs in real-time. Field-cage tests were conducted under the environmental conditions of the Mediterranean coast of Spain to estimate: (a) the mating success of sterile Vienna-8 (V8)Ceratitis capitatamales using molecular markers and (b) their efficacy to reduceC. capitatapopulations under six release ratios of wild females to wild males to V8 males (1:0:0, 1:1:0, 1:1:1, 1:1:5, 1:1:10, and 1:1:20). Statistical models were developed to predict: (a) the number of females captured in traps, (b) sperm ID (sterile or not) in spermathecae of the trapped females, and (c) the viable offspring produced, using release ratio and temperature as predictors. The number of females captured was affected by relative humidity. However, its influence in the model was low. Female captures were significantly higher in ratios 1:0:0 compared to ratios where V8 males were released. The proportion of V8 sperm in spermathecae increased with temperature and with the number of V8 males released, but leveled off between ratios 1:1:10 and 1:1:20. In all seasons, except winter (no offspring), viable offspring increased with temperature and was lowest for ratio 1:1:20. For the first time, a strong negative relationship between proportion of V8 sperm detected by molecular tools andC. capitataoffspring was established. The models obtained should contribute to enhance the efficacy of SIT programs against this pest.
Korean adoptees in Sweden: Have they lost their first language completely?
Authors: PARK HYEON-SOOK 
Published: January 2014

ABSTRACTTwo current issues in research on first language (L1) attrition among adoptees are explored: whether adoptees have lost their L1 completely and whether relearning can help them recover their L1 if it is not completely lost. These issues are investigated by examining whether Swedish monolingual Korean adoptees’ preexisting knowledge of L1 Korean has an impact on their relearning of Korean as adults. The results suggest that Korean adoptees’ early L1 experience has left traces of the language and that these traces can have an effect on their phonetic perception when relearning the language. The finding that reexposed adoptees performed better than native Swedish learners indicates that the greatest impact on retrieving L1 knowledge comes from relearning. Given the lack of the statistically significant findings, the results demonstrate possibilities but remain open to discussion.
A Validation Study of Memory and Executive Functions Indexes in French-Speaking Healthy Young and Older Adults
Authors: Fortin Alexandra , Caza Nicole 
Published: January 2014

RÉSUMÉDes scores composites mesurant les fonctions temporales médianes (FTM)/la mémoire et les fonctions frontales (FF)/exécutives sont utilisés pour indexer les changements cognitifs reliés au vieillissement. L’utilisation de ces scores en recherche gagne en popularité, mais s’appuie essentiellement sur les résultats de tests neuropsychologiques auprès des populations anglophones. Cette étude visait à valider les scores composites des FTM/la mémoire et FF/exécutives auprès d’adultes francophones. Quatre-vingt-dix-huit participants sains (32 jeunes et 66 âgés) ont été évalués à l’aide de trois tests neuropsychologiques associés aux FTM et cinq tests associés aux FF. Une analyse factorielle effectuée sur les scores résiduels indépendants de l’âge indique que les tests associés aux FTM et ceux associés aux FF se regroupent en deux facteurs distincts. Une analyse de type « bootstrapping » impliquant 1 000 rééchantillons indique que sept tests sont stables. Cette étude valide pour la première fois en français, des scores composites mesurant les FTM et FF.
Développement et validation d’une classification québécoise des résidences privées avec services accueillant des personnes âgées
Authors: Lestage Catherine , Dubuc Nicole , Bravo Gina 
Published: January 2014

ABSTRACTPrivate Residential Care Facilities (RCFs) fill the gap between independent community living and institutional settings for seniors. There are marked differences between RCFs which make them difficult to compare. To address this issue, the objective of this study wasto develop and validate a classification of RCFs based on their physical and organizational environments. RCF owners across Quebec were invited to complete a questionnaire that described the setting’s physical and organizational environment. Different combinations of cluster analysis methods and statistical parameters were used to identify plausible classifications. The final choice was made by an expert committee. Overall, 552 owners returned the questionnaire. Three plausible classifications were submitted to the committee. The selected classification included five clusters that differed with regard to admission criteria, services offered and recreational activities. This classification could help health professionals select the RCF that best responds to older adults’ needs.
Design problem solving with biological analogies: A verbal protocol study
Authors: Cheong Hyunmin , Hallihan Gregory M. , Shu L.H. 
Published: January 2014

AbstractBiomimetic design applies biological analogies to solve design problems and has been known to produce innovative solutions. However, when designers are asked to perform biomimetic design, they often have difficulty recognizing analogies between design problems and biological phenomena. Therefore, this research aims to investigate designer behaviors that either hinder or promote the use of analogies in biomimetic design. A verbal protocol study was conducted on 30 engineering students working in small teams while participating in biomimetic design sessions. A coding scheme was developed to analyze cognitive processes involved in biomimetic design. We observed that teams were less likely to apply overall biological analogies if they tended to recall existing solutions that could be easily associated with specific superficial or functional characteristics of biological phenomena. We also found that the tendency to evaluate ideas, which reflects critical thinking, correlates with the likelihood of identifying overall biological analogies. Insights from this paper may contribute toward developing generalized methods to facilitate biomimetic design.
Machining scheme selection based on a new discrete particle swarm optimization and analytic hierarchy process
Authors: Hu Yan-Juan , Wang Yao , Wang Zhan-Li , Wang Yi-Qiang , Zhang Bang-Cheng 
Published: January 2014

AbstractThe goal of machining scheme selection (MSS) is to select the most appropriate machining scheme for a previously designed part, for which the decision maker must take several aspects into consideration. Because many of these aspects may be conflicting, such as time, cost, quality, profit, resource utilization, and so on, the problem is rendered as a multiobjective one. Consequently, we consider a multiobjective optimization problem of MSS in this study, where production profit and machining quality are to be maximized while production cost and production time must be minimized, simultaneously. This paper presents a new discrete method for particle swarm optimization, which can be widely applied in MSS to find out the set of Pareto-optimal solutions for multiobjective optimization. To deal with multiple objectives and enable the decision maker to make decisions according to different demands on each evaluation index, an analytic hierarchy process is implemented to determine the weight value of evaluation indices. Case study is included to demonstrate the feasibility and robustness of the hybrid algorithm. It is shown from the case study that the multiobjective optimization model can simply, effectively, and objectively select the optimal machining scheme according to the different demands on evaluation indices.
Epidemiological and molecular features of norovirus infections in Italian children affected with acute gastroenteritis
Authors: MEDICI M. C. , TUMMOLO F. , MARTELLA V. , CHEZZI C. , ARCANGELETTI M. C. , DE CONTO F. , CALDERARO A. 
Published: January 2014

SUMMARYDuring a 5-year (2007–2011) surveillance period a total of 435 (15·34%) of 2834 stool specimens from children aged <14 years with acute gastroenteritis tested positive for norovirus and 217 strains were characterized upon partial sequence analysis of the polymerase gene as either genogroup (G)I or GII. Of the noroviruses, 99·2% were GII with the GII.P4 genotype being predominant (80%). GII.P4 variants (Yerseke 2006a, Den Haag 2006b, Apeldoorn 2008, New Orleans 2009) emerged sequentially during the study period. Sequence analysis of the capsid gene of 57 noroviruses revealed that 7·8% were recombinant (ORF1/ORF2) viruses including GII.P7_GII.6, GII.P16_GII.3, GII.P16_GII.13, GII.Pe_GII.2, and GII.Pe_GII.4, never identified before in Italy. GII.P1_GII.1, GII.P2_GII.1, GII.P3_GII.3 and GII.P6_GII.6 strains were also detected. Starting in 2011 a novel GII.4 norovirus with 3–4% nucleotide difference in the polymerase and capsid genes from variant GII.4 New Orleans 2009 was monitored in the local population. Since the epidemiology of norovirus changes rapidly, continuous surveillance is necessary to promptly identify the onset of novel types/variants.
Reciprocal effects of parenting and borderline personality disorder symptoms in adolescent girls
Authors: Stepp Stephanie D. , Whalen Diana J. , Scott Lori N. , Zalewski Maureen , Loeber Rolf , Hipwell Alison E. 
Published: January 2014

AbstractTheories of borderline personality disorder (BPD) postulate that high-risk transactions between caregiver and child are important for the development and maintenance of the disorder. Little empirical evidence exists regarding the reciprocal effects of parenting on the development of BPD symptoms in adolescence. The impact of child and caregiver characteristics on this reciprocal relationship is also unknown. Thus, the current study examines bidirectional effects of parenting, specifically harsh punishment practices and caregiver low warmth, and BPD symptoms in girls aged 14–17 years based on annual, longitudinal data from the Pittsburgh Girls Study (N= 2,451) in the context of child and caregiver characteristics. We examined these associations through the use of autoregressive latent trajectory models to differentiate time-specific variations in BPD symptoms and parenting from the stable processes that steadily influence repeated measures within an individual. The developmental trajectories of BPD symptoms and parenting were moderately associated, suggesting a reciprocal relationship. There was some support for time-specific elevations in BPD symptoms predicting subsequent increases in harsh punishment and caregiver low warmth. There was little support for increases in harsh punishment and caregiver low warmth predicting subsequent elevations in BPD symptoms. Child impulsivity and negative affectivity, and caregiver psychopathology were related to parenting trajectories, while only child characteristics predicted BPD trajectories. The results highlight the stability of the reciprocal associations between parenting and BPD trajectories in adolescent girls and add to our understanding of the longitudinal course of BPD in youth.
On the complexity of stream equality
Authors: ENDRULLIS JÖRG , HENDRIKS DIMITRI , BAKHSHI RENA , ROŞU GRIGORE 
Published: January 2014

AbstractWe study the complexity of deciding the equality of streams specified by systems of equations. There are several notions of stream models in the literature, each generating a different semantics of stream equality. We pinpoint the complexity of each of these notions in the arithmetical or analytical hierarchy. Their complexity ranges from low levels of the arithmetical hierarchy such as Π02for the most relaxed stream models, to levels of the analytical hierarchy such as Π11and up to subsuming the entire analytical hierarchy for more restrictive but natural stream models. Since all these classes properly include both the semi-decidable and co-semi-decidable classes, it follows that regardless of the stream semantics employed, there is no complete proof system or algorithm for determining equality or inequality of streams. We also discuss several related problems, such as the existence and uniqueness of stream solutions for systems of equations, as well as the equality of such solutions.
Multiscale deconstruction of molecular architecture in corn stover
Authors: Inouye Hideyo , Zhang Yan , Yang Lin , Venugopalan Nagarajan , Fischetti Robert F. , Gleber S. Charlotte , Vogt Stefan , Fowle W. , Makowski Bryan , Tucker Melvin , Ciesielski Peter , Donohoe Bryon , Matthews James , Himmel Michael E. , Makowski Lee 
Published: January 2014

AbstractLignocellulosic composite in corn stover is a candidate biofuel feedstock of substantial abundance and sustainability. Its utilization is hampered by resistance of constituent cellulose fibrils to deconstruction. Here we use multi-scale studies of pretreated corn stover to elucidate the molecular mechanism of deconstruction and investigate the basis of recalcitrance. Dilute acid pretreatment has modest impact on fibrillar bundles at 0.1 micron length scales while leading to significant disorientation of individual fibrils. It disintegrates many fibrils into monomeric cellulose chains or small side-by-side aggregates. Residual crystalline fibrils lose amorphous surface material, change twist and where still cross-linked, coil around one another. Yields from enzymatic digestion are largely due to hydrolysis of individual cellulose chains and fragments generated during pretreatments. Fibrils that remain intact after pretreatment display substantial resistance to enzymatic digestion. Optimization of yield will require strategies that maximize generation of fragments and minimize preservation of intact cellulosic fibrils.
Origin of the improved mobility and photo-bias stability in a double-channel metal oxide transistor
Authors: Jung Hong Yoon , Kang Youngho , Hwang Ah Young , Lee Chang Kyu , Han Seungwu , Kim Dae-Hwan , Bae Jong-Uk , Shin Woo-Sup , Jeong Jae Kyeong 
Published: January 2014

AbstractThis study examined the performance and photo-bias stability of double-channel ZnSnO/InZnO (ZTO/IZO) thin-film transistors. The field-effect mobility (μFE) and photo-bias stability of the double-channel device were improved by increasing the thickness of the front IZO film (tint) compared to the single-ZTO-channel device. A high-mobility (approximately 32.3 cm2/Vs) ZTO/IZO transistor with excellent photo-bias stability was obtained from Sn doping of the front IZO layer. First-principles calculations revealed an increase in the formation energy of O vacancy defects in the Sn-doped IZO layer compared to the IZO layer. This observation suggests that the superior photo-bias stability of the double-channel device is due to the effect of Sn doping during thermal annealing. However, these improvements were observed only when tint was less than the critical thickness. The rationale for this observation is also discussed based on the oxygen vacancy defect model.
Reduced erythrocyte deformability associated with hypoargininemia during Plasmodiumfalciparum malaria
Authors: Rey Juliana , Buffet Pierre A. , Ciceron Liliane , Milon Geneviève , Mercereau-Puijalon Odile , Safeukui Innocent 
Published: January 2014

AbstractThe mechanisms underlying reduced red blood cell (RBC) deformability duringPlasmodium falciparum(Pf) malaria remain poorly understood. Here, we explore the possible involvement of the L-arginine and nitric oxide (NO) pathway on RBC deformability inPf-infected patients and parasite cultures. RBC deformability was reduced during the acute attack (day0) and returned to normal values upon convalescence (day28). Day0 values correlated with plasma L-arginine levels (r = 0.69; p = 0.01) and weakly with parasitemia (r = −0.38; p = 0.006).In vitro, day0 patient's plasma incubated with ring-stage cultures at 41°C reduced RBC deformability and this effect correlated strongly with plasma L-arginine levels (r = 0.89; p < 0.0001). Moreover, addition of exogenous L-arginine to the cultures increased deformability of bothPf-free and trophozoite-harboring RBCs. NO synthase activity, evidenced inPf-infected RBCs, induced L-arginine-dependent NO production. These data show that hypoargininemia duringP.falciparummalaria may altogether impair NO production and reduce RBC deformability, particularly at febrile temperature.
Irreversibility of Pressure Induced Boron Speciation Change in Glass
Authors: Smedskjaer Morten M. , Youngman Randall E. , Striepe Simon , Potuzak Marcel , Bauer Ute , Deubener Joachim , Behrens Harald , Mauro John C. , Yue Yuanzheng 
Published: January 2014

AbstractIt is known that the coordination number (CN) of atoms or ions in many materials increases through application of sufficiently high pressure. This also applies to glassy materials. In boron-containing glasses, trigonal BO3 units can be transformed into tetrahedral BO4 under pressure. However, one of the key questions is whether the pressure-quenched CN change in glass is reversible upon annealing below the ambient glass transition temperature (Tg). Here we address this issue by performing 11B NMR measurements on a soda lime borate glass that has been pressure-quenched at ~0.6 GPa near Tg. The results show a remarkable phenomenon, i.e., upon annealing at 0.9Tg the pressure-induced change in CN remains unchanged, while the pressurised values of macroscopic properties such as density, refractive index and hardness are relaxing. This suggests that the pressure-induced changes in macroscopic properties of soda lime borate glasses compressed up to ~0.6 GPa are not attributed to changes in the short-range order in the glass, but rather to changes in overall atomic packing density and medium-range structures.
A new face at Natural Science Foundation of China—An interview with NSFC President Wei Yang
Authors: Poo Mu-ming , Wang Ling 
Published: January 2014

Abstract
Upon assuming his new post as the President of NSFC in late February, Wei Yang defined the mission of NSFC: ‘to expand the territory of exploration, to enrich the source of innovation, to strengthen interdisciplinary interaction, and to nurture young talents’. Known for his innovative approaches in higher education during his previous tenure as the President of Zhejiang University, what new measure is in store in Yang's new presidency has attracted much attention. In the recent interview with NSR, Yang reaffirmed his view that basic research is the core of science and the source of technology, providing the support and guidance to the long-term development of S&T-based society. He promises a continuing effort in perfecting funding mechanisms, including rigorous review of grant proposals, strengthening international collaboration and communication, and becoming a true ‘FRIEND’ of scientists.
Crystallization and preliminary X-ray analysis of a highly stable novel SGNH hydrolase (Est24) from Sinorhizobium meliloti
Authors: Ryu Bum Han , Nguyen Duy Duc , Ngo Tri Duc , Oh Changsuk , Pandian Ramesh , Kim Kyeong Kyu , Kim T. Doohun 
Published: January 2014

The SGNH hydrolase family includes enzymes that catalyze the hydrolysis of a broad range of substrates. Here, the crystallization and preliminary X-ray crystallographic studies of a novel SGNH hydrolase (Est24) from Sinorhizobium meliloti were performed. Recombinant Est24 protein containing an N-terminal His tag was expressed in Escherichia coli and purified to homogeneity. Est24 was then crystallized using a solution consisting of 0.2 M ammonium phosphate pH 4.6, 20% polyethylene glycol 3350. X-ray diffraction data were collected to a resolution of 1.45 Å with an R
merge of 9.4%. The Est24 crystals belonged to space group C2, with unit-cell parameters a = 129.09, b = 88.63, c = 86.15 Å, α = 90.00, β = 114.30, γ = 90.00°. A molecular-replacement solution was obtained using the crystal structure of Mycobacterium smegmatis arylesterase as a template and structure refinement of Est24 is in progress.