bluuebunny/crossref_metadata_2025_split huggingface dataset:
Work‐efficient parallel union‐find
Authors: Simsiri Natcha , Tangwongsan Kanat , Tirthapura Srikanta , Wu Kun‐Lung 
Published: October 2017

SummaryThe incremental graph connectivity (IGC) problem is to maintain a data structure that can quickly answer whether two given vertices in a graph are connected, while allowing more edges to be added to the graph. IGC is a fundamental problem and can be solved efficiently in the sequential setting using a solution to the classical union‐find problem. However, sequential solutions are not sufficient to handle modern‐day large, rapidly‐changing graphs where edge updates arrive at a very high rate. We present the first shared‐memory parallel data structure for union‐find (equivalently, IGC) that is both provably work‐efficient (ie, performs no more work than the best sequential counterpart) and has polylogarithmic parallel depth. We also present a simpler algorithm with slightly worse theoretical properties, but which is easier to implement and has good practical performance. Our experiments on large graph streams with various degree distributions show that it has good practical performance, capable of processing hundreds of millions of edges per second using a 20‐core machine.
Nitrogen‐Doped Carbon Nanotubes Derived from Metal–Organic Frameworks for Potassium‐Ion Battery Anodes
Authors: Xiong Peixun , Zhao Xinxin , Xu Yunhua 
Published: October 2017

AbstractTo tackle the issue of the poor rate capability of graphite anodes for potassium‐ion batteries (KIBs), nitrogen‐doped carbon nanotubes (NCNTs) with an edge‐open layer‐alignment structure were synthesized using a simple and scalable approach of pyrolyzing cobalt‐containing metal–organic frameworks. The unique structure enables a facile and fast intercalation of K ions. As anodes of KIBs, the NCNTs demonstrated an improved rate capability by a high capacity retention of 102 mA h g−1 at a high current density of 2000 mA g−1 and a good stability without evident capacity loss over 500 cycles at 2000 mA g−1. Our findings can help to develop highperformance anode materials for potassium‐ion batteries as large‐scale and low‐cost energy‐storage systems.
CD5+ B lymphoproliferative disorder with subsequent development of plasma cell leukaemia: Diagnostic and aetiologic reasoning
Authors: Gounari Evdoxia , Kaiafa Georgia , Koletsa Triantafyllia , Tsavdaridou Vasiliki , Kostopoulos Ioannis , Toptsi Lilian , Skoura Lemonia 
Published: October 2017

BackgroundPlasma cell myeloma (PCM) has been sporadically reported to occur simultaneously or subsequently to mature B lymphoproliferative disorders (LPDs), predominantly chronic lymphocytic leukaemia (CLL).MethodsWe describe the clinical and laboratory findings of a 69‐year‐old male patient who developed plasma cell leukaemia (PCL) 8 years after an initial diagnosis of a low stage CD5+ B LPD and 3 years after treatment for LPD.ResultsThe transition from a clinically indolent B LPD to an aggressive PCM was documented by bone marrow (BM) biopsy, while flow cytometric (FC) immunophenotyping conferred additional information by disclosing the co‐existence of both disorders in BM and the presence of abnormal monotypic PCs in peripheral blood above PCL levels. Phenotypic findings suggested a discrete clonal origin of the two disorders.ConclusionsThis report of PCL development in a patient with residual CD5+ B LPD, emphasizes the need for comprehensive diagnostic evaluation of such cases and scrutiny of their aetiological relationship, including FC immunophenotyping due to its high analytical sensitivity and multiparametric capacity compared to morphology or immunohistochemistry alone. © 2017 International Clinical Cytometry Society
A Study of Pattern Recognition in Children Using Single‐Channel Electroencephalogram for Specialized Electroencephalographic Devices
Authors: KANOGA SUGURU , MITSUKURA YASUE 
Published: October 2017

SUMMARYIn this paper, we aim to classify two classes in children by using single‐channel electroencephalogram (EEG). EEG has been used to define neural patterns and to adjust the wide applicability to a larger population of healthy and diseased users. Specialized EEG devices have recently developed as for compact and portable measurement system using them in the real environment. If there is a multiplex state estimation system with EEG through a specialized EEG device, it would be a powerful tool for neuroscience studies and clinical applications. We first focused on the state of concentration; therefore, two kinds of single‐channel EEG signals (during meditation and concentration) from 10 children were measured. Recordings were processed to remove artifacts, and then extracted their periodic or nonperiodic features by three methods (Fourier transform, wavelet transform, and empirical mode decomposition). Elastic net logistic regression constructed predictive models to classify two classes of the optimized extracted features. A model showed 0.988 area under the receiver‐operating characteristic curve when wavelet transform was selected as feature extraction method. We next construct a multiplex state estimation system. Finally, we will make portable applications using a specialized EEG device that include the multiplex model and encourage children to develop the child's sense.
Electron Hopping between Fe 3 d States in Ethynylferrocene‐doped Poly(Methyl Methacrylate)‐poly(Decyl Methacrylate) Copolymer Membranes
Authors: Cuartero Maria , Acres Robert G. , Jarolímová Zdenka , Bakker Eric , Crespo Gaston A. , De Marco Roland 
Published: October 2017

AbstractSynchrotron radiation‐valence band spectroscopy (SR‐VBS) has been utilized in a study of redox molecule valence states implicated in the electron hopping mechanism of ethynylferrocene in unplasticized poly(methyl methacrylate)‐poly(decyl methacrylate) [PMMA‐PDMA] membranes. In this communication, it is revealed that, at high concentrations of ethynylferrocene, there are observable Fe 3d valence states that are likely linked to electron hopping between ferrocene moieties of neighbouring redox molecules. Furthermore, electrochemically induced stratification of ethynylferrocene in an oxidized PMMA‐PDMA membrane produces a gradient of Fe 3d states toward the buried interface at the glassy carbon/PMMA‐PDMA membrane enabling electron hopping and electrochemical reactivity of dissolved ethynylferrocene across this buried film.
Impact of X‐irradiation on microglia
Authors: Menzel Franziska , Kaiser Nicole , Haehnel Susann , Rapp Felicitas , Patties Ina , Schöneberg Nina , Haimon Zhana , Immig Kerstin , Bechmann Ingo 
Published: October 2017

AbstractIrradiation is widely used to treat brain tumors, and also to create bone marrow (BM) chimeras. BM chimeras are widely used to dissect functions and origin of microglia and blood‐derived mononuclear cells under homeostatic or pathological conditions. This is facilitated by the fact that microglia survive irradiation and are thus regarded radio‐resistant. In this study, we tested whether microglia are indeed radio‐resistant and looked for potential mechanisms that might explain this phenomenon. We analyzed the radio‐resistance of microglia independently of their physiological brain environment compared to other mononuclear cells from spleen and brain after X‐irradiation with 7 Gy or 30 Gy. Furthermore, we investigated long‐term effects of X‐irradiation on microglia using organotypic hippocampal slice cultures (OHSCs). We found a significant higher survival rate of isolated microglia 4 hr after X‐irradiation with 30 Gy accompanied by a decreased proliferation rate. Investigations of apoptosis‐related genes revealed no regulation of a specific antiapoptotic pathway but ataxia telangiectasia mutated (ATM), a DNA‐repair‐related gene, was significantly upregulated in isolated microglia 4 hr after 30 Gy. Irradiation of OHSCs with 7 and 30 Gy revealed a highly and significantly decreased cell number, morphological changes and an increase in migration velocity of microglia. Furthermore, cell loss, increased soma size and process length of microglia was also found in BM chimeras irradiated with 9.5 Gy 5 weeks after irradiation. Here, we present new evidence implying that microglia are not a homogeneous population of radio‐resistant cells and report on long‐term alterations of microglia that survived irradiation.
Validating the formative nature of psychological empowerment construct: Testing cognitive, emotional, behavioral, and relational empowerment components
Authors: Rodrigues Mariana , Menezes Isabel , Ferreira Pedro D. 
Published: October 2017

AbstractThe literature has recently raised the need to clarify the nature of psychological empowerment. There are theoretical and empirical evidences that this conceptualization may not be appropriate, and therefore other alternatives to the reflective measurement model should be considered. Consequently, serious problems may arise from the measurement model misspecification, undoubtedly compromising the development of empowerment theory and measurement. This empirical study constitutes an attempt to contribute to this debate, not only testing both reflective and formative models of psychological empowerment, to find the most appropriate modeling approach as a higher‐order multidimensional construct, but also validating a measure that assesses cognitive, emotional, behavioral, and relational components in a Portuguese youth community‐organizing context (N = 861). Confirmatory tetrad analyses results suggest a formative operationalization of psychological empowerment construct. These findings are supported by additional theoretical and empirical considerations. Additionally, the 46‐item index for measure psychological empowerment reveals satisfactory psychometric properties.
Identification of peptide‐binding sites within BSA using rapid, laser‐induced covalent cross‐linking combined with high‐performance mass spectrometry
Authors: Hauser Melinda , Qian Chen , King Steven T. , Kauffman Sarah , Naider Fred , Hettich Robert L. , Becker Jeffrey M. 
Published: October 2017

AbstractWe are developing a rapid, time‐resolved method using laser‐activated cross‐linking to capture protein‐peptide interactions as a means to interrogate the interaction of serum proteins as delivery systems for peptides and other molecules. A model system was established to investigate the interactions between bovine serum albumin (BSA) and 2 peptides, the tridecapeptide budding‐yeast mating pheromone (α‐factor) and the decapeptide human gonadotropin‐releasing hormone (GnRH). Cross‐linking of α‐factor, using a biotinylated, photoactivatable p‐benzoyl‐L‐phenylalanine (Bpa)–modified analog, was energy‐dependent and achieved within seconds of laser irradiation. Protein blotting with an avidin probe was used to detect biotinylated species in the BSA‐peptide complex. The cross‐linked complex was trypsinized and then interrogated with nano‐LC–MS/MS to identify the peptide cross‐links. Cross‐linking was greatly facilitated by Bpa in the peptide, but some cross‐linking occurred at higher laser powers and high concentrations of a non‐Bpa–modified α‐factor. This was supported by experiments using GnRH, a peptide with sequence homology to α‐factor, which was likewise found to be cross‐linked to BSA by laser irradiation. Analysis of peptides in the mass spectra showed that the binding site for both α‐factor and GnRH was in the BSA pocket defined previously as the site for fatty acid binding. This model system validates the use of laser‐activation to facilitate cross‐linking of Bpa‐containing molecules to proteins. The rapid cross‐linking procedure and high performance of MS/MS to identify cross‐links provides a method to interrogate protein‐peptide interactions in a living cell in a time‐resolved manner.
Feeling interrupted—Being responsive: How online messages relate to affect at work
Authors: Sonnentag Sabine , Reinecke Leonard , Mata Jutta , Vorderer Peter 
Published: October 2017

SummaryBeing constantly connected to others via e‐mail and other online messages is increasingly typical for many employees. In this paper, we develop and test a model that specifies how interruptions by online messages relate to negative and positive affect. We hypothesize that perceived interruptions by online messages predict state negative affect via time pressure and that perceived interruptions predict state positive affect via responsiveness to these online messages and perceived task accomplishment. A daily survey study with 174 employees (a total of 811 day‐level observations) provided support for our hypotheses at the between‐person and within‐person level. In addition, perceived interruptions showed a negative direct association with perceived task accomplishment. Our study highlights the importance of being responsive to online messages and shows that addressing only the negative effects of perceived interruptions does not suffice to understand the full impact of interruptions by online messages in modern jobs.
Effects of two different domestic boiling practices on the allergenicity of cow's milk proteins
Authors: Lamberti Cristina , Baro Cristina , Giribaldi Marzia , Napolitano Lorenzo , Cavallarin Laura , Giuffrida Maria Gabriella 
Published: October 2017

AbstractBACKGROUNDThe sale of raw drinking milk through automatic dispensers is permitted in some EU member states, but consumers are usually advised to boil the milk before consumption. The present study has been conducted to evaluate the effects of two common domestic boiling techniques on the proteins of raw milk and, in particular, on their potential allergenicity.RESULTSNative one‐dimensional electrophoresis, N‐terminal amino acid sequencing and immunoblotting have been used to characterize the protein pattern and to evaluate the possible changes in the allergenic properties of the processed milk. The main result of this investigation is that heating induces the aggregation of β‐lactoglobulin in higher‐molecular‐weight products, while caseins seem to be more resistant to the treatments. β‐Lactoglobulin aggregates have been found to be non‐immunoreactive with the sera of subjects suffering from cow's milk protein allergy.CONCLUSIONDomestic boiling modifies the milk protein profile, causing a minor reduction in milk allergenicity. © 2017 Society of Chemical Industry
Submarine groundwater discharge drives biogeochemistry in two Hawaiian reefs
Authors: Richardson Christina M. , Dulai Henrietta , Popp Brian N. , Ruttenberg Kathleen , Fackrell Joseph K. 
Published: October 2017

AbstractGroundwater inputs are typically overlooked as drivers of environmental change in coastal reef studies. To assess the impact of groundwater discharge on reef biogeochemistry, we examined two fringing reef environments, located in Maunalua Bay on the south shore of O‘ahu, Hawai‘i, that receive large inputs of submarine groundwater discharge. We supplemented 25‐ and 30‐d time series measurements of salinity, water temperature, pH, dissolved oxygen, and 222Rn with high‐resolution 24‐h nutrient, dissolved inorganic carbon (DIC), total alkalinity (TA), and δ13C–DIC measurements to evaluate both groundwater‐induced and biologically‐driven changes in coastal carbonate chemistry across salinity gradients. Submarine groundwater discharge at these two locations was characterized by low pHT (7.36–7.62), and variable DIC (1734–3046 μM) and TA (1716–2958 μM) content relative to ambient seawater. Groundwater‐driven variability in coastal carbonate system parameters was generally on the same order of magnitude as biologically‐driven variability in carbonate system parameters at our study locations. Further, our data revealed a shift in reef metabolism from net dissolution to net calcification across this groundwater‐driven physicochemical gradient. At sites with high levels of groundwater exposure, net community production and calcification rates were reduced. Our findings shed light on the importance of considering groundwater inputs when examining coastal carbonate chemistry.
Novel incubation‐free approaches to determine phytoplankton net primary productivity, growth, and biomass based on flow cytometry and quantification of ATP and NAD(H)
Authors: Jones Bethan M. , Halsey Kimberly H. , Behrenfeld Michael J. 
Published: October 2017

AbstractRecent advances in sorting flow cytometry (SFCM) and sensitive biochemical techniques have opened the door for a variety of new incubation‐free measurements to assess cell physiology. We adapted highly sensitive bioluminescent methodologies to measure cell NAD(H) and adenosine triphosphate (ATP) contents as predictors of phytoplankton primary production and growth rate. We first applied these methods to algae in taxonomically distinct groups: the chlorophyte Dunaliella tertiolecta, the diatom Thalassiosira pseudonana and a model cyanobacterium Synechococcus sp. WH8102. We found that NAD(H) content [NAD(H)phyto] increased significantly with increasing net primary productivity (NPP) and growth rate. In contrast, and in agreement with previous studies, phytoplankton ATP content (ATPphyto) was highly correlated with carbon biomass. Furthermore, ATPphyto was not correlated with NPP or growth rate. As a field test of the method, we then measured NAD(H)phyto in phytoplankton samples collected by SFCM in the North Pacific. These measurements yielded an estimate of NPP closely matching that from the traditional incubation‐dependent 14C uptake technique. The methods described here enable low‐biomass, incubation‐free estimates of phytoplankton NPP, growth rate, and biomass.
Parenting styles and Internet use
Authors: Tur‐Porcar Ana 
Published: October 2017

AbstractThe Internet has become the most popular way for young people to communicate with one another. Recent data indicate that 95% of students have Internet access. This study examined the links between Internet use and the parenting styles that shape parent–child interactions. Empirical analysis showed that Internet use accounts for the majority of adolescents’ leisure time. The neglecting parenting style has the strongest relationship with addictive Internet use by adolescent girls and boys. For boys, addictive Internet use is also related to a combination of different parenting styles resulting from inconsistencies and contradictions between parents.
Gender and age differences in the psychosocial risk factors of workplace bullying
Authors: López‐Cabarcos M. Ángeles , Vázquez‐Rodríguez Paula , Gieure Clara 
Published: October 2017

AbstractBullying at work means harassing, offending, or socially excluding someone or negatively affecting someone's work. Bullying affects all kinds of organizations, although organizations in the public sector are some of the worst affected. To date, no studies have examined how the combination of psychosocial risk factors leads to bullying. Using a sample of Spanish prison employees (n = 488) and fuzzy‐set qualitative comparative analysis (fsQCA), this study analyzed how five combined effects (role conflict, role ambiguity, social support, esteem, and work overload) lead to bullying at work. Two classification variables (gender and age) were also considered. Based on these classification variables, four models were proposed. In the first, third, and fourth models (young man, old man, and old woman, respectively), no conditions were found to be necessary to lead to bullying at work. In the second model (young woman), a lack of esteem was identified as a necessary condition for bullying at work. Seven conditions across the four models were identified as sufficient to lead to bullying among prison employees. Two antecedents (work overload and lack of esteem) were present in all seven configurations. These findings reinforce the need for prison managers to be vigilant to ensure that job descriptions are properly defined and that the work environment is egalitarian and collaborative.
Exploring the customer's intention to switch firms: The role of customer‐related antecedents
Authors: Revilla‐Camacho María‐Ángeles , Vega‐Vázquez Manuela , Cossío‐Silva Francisco‐José 
Published: October 2017

AbstractThis study examined the customer‐related antecedents of the customer's intention to switch firms. Customer citizenship behavior was a key element in this study. Scholars have extensively studied the antecedents of customer citizenship behavior. However, the way that customer citizenship behavior relates to other attitudinal variables and the intention to switch has scarcely been analyzed. The proposed hypotheses were verified using partial least squares variance‐based structural equation modeling applied to 947 users of beauty care service firms in five countries. The results suggest that customer citizenship behavior is an antecedent of satisfaction, trust, and attitudinal loyalty. Two of these variables influence customers’ intentions to abandon relationships with the service provider. The implications of these findings enhance managers’ and scholars’ understanding of the determinants of customers’ intentions to switch firms.
Persistent voting decisions in shareholder meetings
Authors: Piñeiro‐Chousa Juan , Vizcaíno‐González Marcos , Carvalho das Neves João 
Published: October 2017

AbstractThis study examined the determinants of voting decisions in shareholder meetings, with a special focus on voting persistence. The data captured votes on managerial proposals in shareholder meetings held by U.S. banks between 2003 and 2013. The dynamic panel data were analyzed using robust two‐step system generalized method of moments estimation (GMM) with orthogonal deviations. The lagged voting decision was a significant factor in explaining subsequent voting decisions. This finding provides evidence of voting persistence. Although persistence is a prominent topic in behavioral economics, studies have tended to focus on buying, consumption, and investment decisions. Persistence in voting decisions at the corporate level has been underexplored, so this article contributes to the behavioral economics literature.
Regenerable‐Catalyst‐Aided, Opened to Air and Sunlight‐Driven “CuAAC&ATRP” Concurrent Reaction for Sequence‐Controlled Copolymer
Authors: Zhang Weidong , Xue Wentao , Ming Wen , Weng Yuyan , Chen Gaojian , Haddleton David M. 
Published: October 2017

AbstractAn ideal stimuli‐responsive controlled/living radical polymerization should have the ability to manipulate the reaction through spatiotemporal “on/off” controls, achieving the polymerization under fully open conditions and allowing for precise control over macromolecular architecture with defined molecular weights and monomer sequence. In this contribution, the photo (sunlight)‐induced electron transfer atom transfer radical‐polymerization (PET‐ATRP) can be realized to be reversibly activated and deactivated under fully open conditions utilizing one‐component copper(II) thioxanthone carboxylate as multifunctional photocatalyst and oxygen scavenger. The polymerization behaviors are investigated, presenting controlled features with first‐order kinetics and linear relationships between molecular weights and monomer conversions. More importantly, “CuAAC&ATRP” concurrent reaction combining PET‐ATRP, photodriven deoxygenation, and photoactivated CuAAC click reaction is successfully employed to synthesize the sequence‐defined multiblock functional copolymers, in which the iterative monomer additions can be easily manipulated under fully open conditions.