bluuebunny/crossref_metadata_2025_split huggingface dataset:
Hepatocellular nodules resulting from congenital extrahepatic portosystemic shunts can differentiate into potentially malignant hepatocellular adenomas
Authors: Sanada Yukihiro , Mizuta Koichi , Niki Toshiro , Tashiro Masahisa , Hirata Yuta , Okada Noriki , Yamada Naoya , Ihara Yoshiyuki , Urahashi Taizen , Soejima Yurie , Fukusato Toshio , Kondo Fukuo 
Published: July 2015

AbstractBackgroundHepatocellular nodules caused by congenital extrahepatic portosystemic shunts (CEPS) occur as a result of abnormal portal blood flow, and are mostly cases of benign focal nodular hyperplasia (FNH). However, hepatocellular adenomas (HCA) and hepatocellular carcinomas have been documented in the CEPS patients. HCA can now be immunohistochemically diagnosed; therefore, the concept of hepatocellular nodules resulting from CEPS should be revisited. In this study, we performed a retrospective immunohistochemical investigation of hepatocellular nodules from livers isolated from the CEPS patients undergoing living donor liver transplantation (LDLT).MethodsHepatocellular nodules from livers of five patients with CEPS who underwent LDLT between June 2004 and October 2012 at our institution were immunohistochemically investigated. HCA were classified into four subtypes (HNF1α‐inactivated HCA (H‐HCA); inflammatory HCA; β‐catenin‐activated HCA (b‐HCA); unclassified HCA).ResultsSixteen hepatocellular nodules were collected from livers of five patients with CEPS who underwent LDLT. Ten hepatocellular nodules were categorized as FNH (62.5%), five were categorized as b‐HCA (31.3%), and one was categorized as H‐HCA (6.2%).ConclusionsSome of the hepatocellular nodules resulting from CEPS were indicative of HCAs, especially the b‐HCA subtype which has the potential for malignant transformation. Surgical or interventional treatments might have to be performed when hepatocellular nodules appear in the CEPS patients.
Language Anxiety and Counseling Self‐Efficacy
Authors: Haley Melinda , Romero Marin Merranda , Gelgand Jessica C. 
Published: July 2015

A total of 120 master's‐level counseling students were given the Foreign Language Classroom Anxiety Scale and the Counselor Self‐Estimate Inventory. Significance was found for all 3 hypotheses: (a) nonnative English‐speaking students have significantly more language anxiety than native English‐speaking students, (b) nonnative English‐speaking students’ language anxiety was negatively correlated with counseling self‐efficacy, and (c) native English‐ and nonnative English‐speaking students significantly differed in their perceptions of counseling self‐efficacy.Se administraron la Escala de Ansiedad en Clase de Lengua Extranjera y el Inventario de Autoestimación de Consejeros a un total de 120 estudiantes de máster en consejería. Se encontró significación para las 3 hipótesis siguientes: (a) los estudiantes cuya lengua nativa no es el inglés sufren un nivel considerablemente más alto de ansiedad a causa del idioma que los hablantes nativos de inglés, (b) la ansiedad a causa del idioma de los estudiantes cuya lengua nativa no es el inglés mostró una correlación negativa con la autoeficacia en consejería y (c) los grupos de estudiantes nativos y no nativos en inglés mostraron diferencias significativas en sus percepciones de autoeficacia en consejería.
Positive Masculinity Among Latino Men and the Direct and Indirect Effects on Well‐Being
Authors: Estrada Fernando , Arciniega G. Miguel 
Published: July 2015

Counselors are learning ways to promote well‐being among Latinas/os. This study tested the hypothesis that caballerismo, a prosocial form of masculinity, would predict subjective well‐being among a sample of predominantly Mexican/Mexican American men. The moderating role of religious involvement was also tested and hypothesized as having a bolstering effect. Results supported the main hypotheses. Implications are discussed as they concern counseling, training, and future research.Los consejeros están aprendiendo formas de promover el bienestar entre la comunidad latina. Este estudio examinó la hipótesis de que el caballerismo, una forma de masculinidad de orientación social, podría predecir el bienestar subjetivo en una muestra de hombres predominantemente mexicanos o méxico‐americanos. También se examinó el efecto moderador de la participación religiosa y se formuló la hipótesis de que tendría un efecto de impulso. Los resultados apoyaron las hipótesis principales. Se discuten implicaciones en cuanto a la consejería, capacitación e investigaciones futuras.
Cultural Competence and School Counselor Training: A Collective Case Study
Authors: Nelson Judith A. , Bustamante Rebecca , Sawyer Cheryl , Sloan Eva D. 
Published: July 2015

This collective case study investigated the experiences of bilingual counselors‐in‐training who assessed school‐wide cultural competence in public schools. Analysis and interpretation of data resulted in the identification of 5 themes: eye‐opening experiences, recognition of strengths, the role of school leaders, road maps for change, and empowering marginalized groups. Implications and recommendations are discussed.Este estudio de caso colectivo investigó las experiencias de consejeros bilingües en formación que evaluaron la competencia cultural institucional en escuelas públicas. El análisis e interpretación de los datos dieron como resultado la identificación de 5 temas: experiencias reveladoras, reconocimiento de puntos fuertes, el papel de los líderes académicos, hojas de ruta para el cambio y empoderamiento de grupos marginalizados. Se discuten las implicaciones y recomendaciones.
Use of multi‐velocity encoding 4D flow MRI to improve quantification of flow patterns in the aorta
Authors: Callaghan Fraser M. , Kozor Rebecca , Sherrah Andrew G. , Vallely Michael , Celermajer David , Figtree Gemma A. , Grieve Stuart M. 
Published: July 2015

PurposeTo show that the use of a multi‐velocity encoding (VENC) 4D‐flow approach offers significant improvements in the characterization of complex flow in the aorta. Four‐dimensional flow magnetic resonance imaging (MRI) (4D‐flow) can be used to measure complex flow patterns and dynamics in the heart and major vessels. The quality of the information derived from these measures is dependent on the accuracy of the vector field, which is limited by the vector‐to‐noise ratio.Materials and MethodsA 4D‐flow protocol involving three different VENC values of 150, 60, and 20 cm/s was performed on six control subjects and nine patients with type‐B chronic aortic dissection at 3T MRI. Data were processed using a single VENC value (150 cm/s) or using a fused dataset that selected the lowest appropriate VENC for each voxel. Performance was analyzed by measuring spatial vector angular correlation, magnitude correlation, temporal vector conservation, and “real‐world” streamline tracing performance.ResultsThe multi‐VENC approach provided a 31% improvement in spatial and 53% improvement in temporal precision of velocity vector measurements during the mid‐late diastolic period, where 99% of the flow vectors in the normal aorta are below 20 cm/s. In low‐flow conditions this resulted in practical improvements of greater than 50% in pathline tracking and streamline tracing quantified by streamline curvature measurements.ConclusionA multi‐VENC 4D‐flow approach provides accurate vector data across normal physiological velocities observed in the aorta, dramatically improving outputs such as pathline tracking, streamline estimation, and further advanced analyses.J. Magn. Reson. Imaging 2016;43:352–363.
Extreme temperature and precipitation events over Italy: assessment of high‐resolution simulations with COSMO‐CLM and future scenarios
Authors: Zollo Alessandra Lucia , Rillo Valeria , Bucchignani Edoardo , Montesarchio Myriam , Mercogliano Paola 
Published: July 2015

ABSTRACTThis study presents a detailed analysis of the present and expected future extreme climate conditions over Italy through the use of some extreme indicators. Climate data for this analysis were provided by the regional climate model COSMO‐CLM, using different grid spacing to ascertain the real importance of using higher resolution climate data, especially over such a complex topography as Italy. Four simulations were carried out at spatial resolutions of 0.125° and 0.0715°, driven by ERA‐Interim Reanalysis and the CMCC‐CM global model. We investigated the ability of the model to represent realistically the climatology of a subset of climate indicators defined by the Expert Team on Climate Change Detection and Indices (ETCCDI) for precipitation and temperature. Several high‐resolution observational data sets available over some Italian regions were therefore used in order to offset the limited number of observations available over Italy in the E‐OBS data set and its coarse grid. We found that the increase in resolution could have interesting benefits in representing such extreme indices, especially in the more orographically complex areas. Finally, we investigated future climate changes regarding extreme weather events expected under anthropogenic climate change scenarios, employing the IPCC RCP4.5 and RCP8.5 greenhouse gas concentrations, showing that such events are expected to increase over Italy.
An evaluation of high‐resolution gridded precipitation products over Bhutan (1998–2012)
Authors: Khandu  , Awange J. L. , Forootan E. 
Published: July 2015

ABSTRACTSeveral global and regional high‐resolution precipitation products have been released over the past decade by combining precipitation estimates from various sources including satellite‐based measurements and gauge‐based observations. With relatively few validation studies over the Eastern Himalayan region, this study examined seasonal and interannual skills of four gridded precipitation products including the regional gauge‐based APHRODITE (Asian Precipitation‐Highly Resolved Observational Data Integration Towards Evaluation of Water Resources) and three near‐global satellite‐based products: Tropical Rainfall Measuring Mission (TRMM), Climate Prediction Centre (CPC) MORPHing (CMORPH), and Climate Hazards Group InfraRed Precipitation (CHIRP) using in‐situ rain gauge data from Bhutan for the period 1998–2012. Principal component analysis (PCA) was used to assess the dominant rainfall patterns over Bhutan. An attempt has also been made to correct precipitation biases in the satellite‐only products using a gamma (γ)‐based distribution approach. Results indicated that APHRODITE and satellite‐based precipitation products were able to adequately capture the spatio‐temporal patterns of rainfall variability over Bhutan. Extreme precipitation events and extreme drought periods were well captured with very good correlations (>0.5). APHRODITE and TRMM 3B43v7 were remarkably similar, whereas satellite‐only products (CMORPH and CHIRP) highly underestimated (20–60% or 200–450 mm month−1) monsoon rainfall over Bhutan. While TRMM 3B43v7 still underestimated monsoon rainfall (by ∼25%), it has significantly improved the seasonal bias (by 20–40%) from its previous version (TRMM 3B43v6). CHIRP performed relatively better in the high rainfall regions but indicated very low correlations over mountainous regions and during the pre‐ and post‐monsoon season. The bias correction approach indicated best results for TRMM 3B43v6 (up to 33%) in the Southern Foothills, whereas satellite‐only products improved only moderately (5–20%).
Pine stumps in Irish peats: is their occurrence a valid proxy climate indicator?
Authors: MCGEEVER ALWYNNE H. , MITCHELL FRASER J.G. 
Published: July 2015

ABSTRACTWe investigate the temporal and spatial distribution of pine (Pinus sylvestris) stumps preserved in peat deposits to test whether their occurrence can be used as an indicator of climatic shifts to drier conditions. Radiocarbon dates of sub‐fossil stumps were collected from the literature, along with environmental data throughout the island of Ireland. Data were analysed using non‐parametric statistical techniques. There was no distinct geographical pattern observed in the distribution of pine stumps on bog surfaces. Tree ages ranged from 66 to 500 years with 85.7 % of these <300 years. Pines occurred on bogs from ca. 8500 to 500 cal a BP. The temporal distribution during the Holocene was characterized as a mid‐Holocene peak in sites supporting pine, with two gaps either side of this peak. Our current understanding of past climate dynamics failed to explain this temporal distribution. The onset, mid‐Holocene peak and cessation of bog sites supporting the presence of bog pines appears to be driven by changes in pine seed and bog surface area availability during the Holocene rather than changes in climate. We conclude that variability in the occurrence of Irish bog pines is not a valid climate proxy as factors other than climate influence their presence and thereby disrupt the climate signals.
Prediction of the long‐term corrosion rate of copper alloy objects
Authors: Kreislova K. , Geiplova H. 
Published: July 2015

Comparative atmospheric corrosion data for different metal alloys can be used to predict the service life of a component, maintenance requirements, and metal loss to the environment. In some international projects some prediction models have been derived for the atmospheric corrosion rate of metals – dose/response functions (EN ISO 9224, ECE UN ICP program, Multi‐Assess project) – including copper alloys.In this paper, actual corrosion studies of two long‐term exposed objects – a bronze statue of John of Nepomuk from Charles Bridge and the copper roof of Queen Ann's Summer Palace, are presented. Both these objects are exposed to Prague's urban atmosphere for more than 300 years. The predicted and measured corrosion rates are compared for these cultural objects. During their exposure the corrosion rates changed as the result of changing corrosivity of atmosphere in the Prague centre.
Identification of Lead Compounds as Inhibitors of STAT3: Design, Synthesis and Bioactivity
Authors: Botta Antonio , Sirignano Esther , Popolo Ada , Saturnino Carmela , Terracciano Stefania , Foglia Antonio , Sinicropi Maria Stefania , Longo Pasquale , Di Micco Simone 
Published: July 2015

AbstractSTAT3 belongs to the signal transducers and activators of transcription (STAT) family. It has been demonstrated that STAT3 is constitutively activated in many tumors, playing a role in carcinogenesis and tumor progression. For this reason, it has being considered a potential target for cancer therapy. In this context, we have designed, synthesized and evaluated 1,4‐dimethyl‐carbazole derivatives, targeting the STAT3 protein. Moreover, MTT assay performed on A375 and HeLa, showed significant antiproliferative activity of some of synthesized compounds (3–5). The same compounds (3–5) considerably reduced STAT3 expression, as demonstrated by Western blot analysis. Our multidisciplinary approach shows that 1,4‐dimethyl‐carbazoles are potential building blocks to develop more affinity ligands of STAT3.
Standardless multicomponent qNMR analysis of compounds with overlapped resonances based on the combination of ICA and PULCON
Authors: Monakhova Yulia B. , Lachenmeier Dirk W. , Kuballa Thomas , Mushtakova Svetlana P. 
Published: July 2015

AbstractA fast and reliable nuclear magnetic resonance (NMR) method for quantitative analysis of targeted compounds with overlapped signals in complex mixtures has been established. The method is based on the combination of chemometric treatment for spectra deconvolution and the PULCON principle (pulse length based concentration determination) for quantification.Independent component analysis (ICA) (mutual information least dependent component analysis (MILCA) algorithm) was applied for spectra deconvolution in up to six component mixtures with known composition. The resolved matrices (independent components, ICs and ICA scores) were used for identification of analytes, calculating their relative concentrations and absolute integral intensity of selected resonances. The absolute analyte concentrations in multicomponent mixtures and authentic samples were then calculated using the PULCON principle. Instead of conventional application of absolute integral intensity in case of undisturbed signals, the multiplication of resolved IC absolute integral and its relative concentration in the mixture for each component was used. Correction factors that are required for quantification and are unique for each analyte were also estimated.The proposed method was applied for analysis of up to five components in lemon and orange juice samples with recoveries between 90% and 111%. The total duration of analysis is approximately 45 min including measurements, spectra decomposition and quantification. The results demonstrated that the proposed method is a promising tool for rapid simultaneous quantification of up to six components in case of spectral overlap and the absence of reference materials. Copyright © 2015 John Wiley & Sons, Ltd.
Low‐Temperature Oxidation of Catocene and Its Influence on the Mechanical Sensitivities of a Fine‐AP/Catocene Mixture
Authors: Jiang Benzheng , Zhang Wei , Yang Jun , Yu Yan , Bao Tong , Zhou Xing 
Published: July 2015

AbstractHigh burning‐rate composite solid propellants with fine ammonium perchlorate (fine‐AP) and catocene have high mechanical sensitivities. The products of fine‐AP and catocene mixtures after low‐temperature exothermic reactions at about 173 °C were analyzed by X‐ray photoelectron spectroscopy (XPS). The result showed that FeO, Fe2O3, or FeClx were generated during the oxidation of catocene in the fine‐AP/catocene mixture. The mixture of fine‐AP and catocene has high impact and friction sensitivities, whereas the impact sensitivity of the after‐heated fine‐AP/catocene mixture reduced from 88 to 18 % and the friction sensitivity also decreased from 80 to 66 %. The low‐temperature oxidation of catocene is one important incentive for the high mechanical sensitivity of fine‐AP/catocene mixtures.
Intraguild interactions among specialised pollen feeders and generalist phytoseiids and their effect on citrus rust mite suppression
Authors: Maoz Yonatan , Gal Shira , Argov Yael , Domeratzky Sylvie , Coll Moshe , Palevsky Eric 
Published: July 2015

AbstractBACKGROUNDAntagonistic interactions among predators with shared prey are thought to hamper their ability to suppress herbivores. Our aim was to quantify intraguild interactions in omnivorous predatory mite assemblages in the presence of pollen, and assess their effect on pest populations. We focused on the following naturally occurring phytoseiid species in Israeli citrus orchards and their ability to suppress a key pest, the citrus rust mite (CRM) Phyllocoptruta oleivora (Eriophyidae): the generalists Amblyseius swirskii and Typhlodromus athiasae and the specialised pollen feeders Iphiseius degenerans, Euseius scutalis, E. stipulatus and E. victoriensis. Evaluations were performed on two spatial scales, tree seedlings and leaf discs.RESULTSOn seedlings, experiments were conducted to quantify the interactions between predators in the presence of pollen and its effects on CRM suppression. On leaf discs, intraguild interactions were studied between pairs of phytoseiid species in the presence of pollen without CRM. On seedlings, the specialised pollen predators were more effective at suppressing CRM populations than the generalist predators.CONCLUSIONIn most cases, the more aggressive intraguild predator was the specialised pollen feeder. Similarly, leaf‐disc experiments suggest that in these interactions the specialised pollen feeders tend to be the intraguild predators more often than the intraguild prey. © 2015 Society of Chemical Industry
A key management technique based on elliptic curves for static wireless sensor networks
Authors: Jilna Payingat , Pattathil Deepthi P. 
Published: July 2015

AbstractThis paper presents a key distribution scheme based on elliptic curve Diffie–Hellman (ECDH) key exchange for static wireless sensor networks with node addition. The proposed scheme relies on the transitory master key approach for secret key establishment and addresses the man‐in‐the‐middle attack in ECDH key exchange. The major advantage of the proposed method compared with the state‐of‐the‐art schemes is the high resilience offered by this scheme even if nodes are compromised in the initialisation phase. The communication overhead, computational cost and storage requirement of the proposed method is very less compared with the elliptic curve‐based approaches available in the literature. The proposed scheme can also support large networks without affecting the security and efficiency. Copyright © 2015 John Wiley & Sons, Ltd.
A New Method for Predicting Heats of Decomposition of Nitroaromatics
Authors: Keshavarz Mohammad Hossein , Ghani Kamal , Asgari Abdoalreza 
Published: July 2015

AbstractA reliable simple approach is introduced to predict the heats of decomposition of nitroaromatics through their molecular structures. It is based on the number on nitro groups attached to aromatic ring and some structural moieties that depend on intra‐ and intermolecular interactions. In contrast to other available predictive methods, the present method can be easily applied for nitroaromatics containing different substituents attached to aromatic ring without using special computer codes, which need expert users. For 77 nitroaromatics, the new simple method gives good predictions as compared to the best available general method, which requires the set of descriptors including time expensive quantum chemical calculations. The new approach can help the chemist to design desired nitroaromatic energetic compounds with good safety.
Growing beyond growth: Why multiple mindsets matter for consumer behavior
Authors: Rucker Derek D. , Galinsky Adam D. 
Published: July 2015

AbstractIn this commentary, we reflect on several important issues and questions provoked by Murphy and Dweck's target article. First, we define a mindset as a frame of mind that affects the selection, encoding, and retrieval of information as well as the types of evaluations and responses an individual gives. As such, we suggest that while studying fixed versus growth mindsets is important, it is critical to explore and understand how a variety of mindsets affect consumer behavior, including regulatory focus, construal level, implementation versus deliberation, and power. Second, we argue that it is necessary to understand if a hierarchy exists among this variety of mindsets, with some mindsets being more foundational and more important than others. Finally, we raise questions about whether matching effects, where information matches a mindset, always produce more persuasion, or whether cases might exist where mismatches, or complementarity, are better.