bluuebunny/crossref_metadata_2025_split huggingface dataset:
Contribution of emotion regulation difficulties to disordered eating and body dissatisfaction in college men
Authors: Lavender Jason M. , Anderson Drew A. 
Published: May 2009

AbstractObjective:Affect regulation models of disordered eating propose that disordered eating behaviors function as maladaptive efforts to modulate or escape from aversive emotional states. Prior studies have shown both negative affect and emotion regulation factors to be significantly associated with disordered eating and body dissatisfaction in women. The purpose of the current investigation was to evaluate whether emotion regulation difficulties contribute to disordered eating and body dissatisfaction in men.Method:Two hundred and ninety‐six undergraduate men completed a series of questionnaires assessing negative affect, difficulties in emotion regulation, disordered eating, and body dissatisfaction.Results:A series of hierarchical regression analyses revealed that emotion regulation difficulties accounted for unique variance in both outcome measures after accounting for the variance associated with BMI and negative affect.Discussion:Results are discussed in terms of the role of emotion regulation difficulties in the etiology and maintenance of body dissatisfaction and disordered eating in men. © 2009 by Wiley Periodicals, Inc. Int J Eat Disord 2010
Influence of Urea N–H Acidity on Receptor–Anionic and Neutral Analyte Binding in a Ruthenium(II)–Polypyridyl‐Based Colorimetric Sensor
Authors: Ghosh Amrita , Verma Sandeep , Ganguly Bishwajit , Ghosh Hirendra Nath , Das Amitava 
Published: May 2009

AbstractA new ruthenium(II)–polypyridyl complex {[Ru(bpy)2L]2+; bpy = 2,2′‐bipyridyl, L = 1‐(6‐nitro‐1,10‐phenanthrolin‐5‐yl)‐3‐phenylurea} having a urea functionality as a receptor fragment for anionic analytes was synthesized. Its binding affinity towards various oxy anions and halides was studied. This complex was found to act as a selective colorimetric sensor for F– among halides and CH3COO–/H2PO4– among oxy anions. The relative binding affinity of different anions towards this receptor was examined by using quantum chemical calculations. This complex was also found to act as a colorimetric sensor for neutral molecules like DMSO and DMF, though the binding affinity was weaker than that of the three anions mentioned above. The relative acidity of two HNurea atoms was compared with that of one from the related complex by using pKa calculations, and its influence on binding affinities towards different analytes is discussed. Results of the time‐resolved fluorescence studies reveal that two nonequilibrated excited states exist involving two different 3MLCT transitions, namely Rudπ → bpyπ* and Rudπ → Lπ*.(© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)
Arene Ruthenium Cages: Boxes Full of Surprises
Authors: Therrien Bruno 
Published: May 2009

AbstractSelf‐assembly of polypyridyl ligands with dinuclear arene ruthenium building blocks bridged by chlorido, oxalato or benzoquinonato ligands has allowed the construction of a wide range of cationic metalla complexes possessing different architectures and functionalities: (i) metalla‐rectangles showing host–guest possibilities and allowing intramolecular template‐controlled photochemical [2 + 2] dimerisation reactions; (ii) metalla‐prisms allowing encapsulation of molecules and giving rise to potential drug delivery systems; (iii) metalla‐boxes that can be used to stabilise the formation of G‐quadruplex DNA. This microreview covers the synthetic and structural aspects of these metalla complexes, as well as their most promising applications, with a particular focus on their potential biological applications. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)
Long‐Lived Luminescent Dendrimers with a [Ru(dpp)3]2+‐Type Core: Synthesis and Photophysical Properties
Authors: Hahn Uwe , Vögtle Fritz , De Paoli Gabriele , Staffilani Mara , De Cola Luisa 
Published: May 2009

AbstractMetallodendrimers built around a [Ru(dpp)3]2+‐type core (dpp = 4,7‐diphenyl‐1,10‐phenanthroline) were prepared containing peripheral phenyl moieties. The convergent synthesis of the ligands was accomplished by coupling dendritic branches with a focal amino function to the chelating phenanthroline precursor under the formation of sulfonamide linkages. Complexation of ruthenium ions afforded the corresponding metallodendrimers with up to 24 peripheral phenyl units in the case of the largest dendritic structure. The absorption spectra and luminescence properties of the four new dendrimers are reported. The dendritic effect is clearly visible, going from zero to second generation, as demonstrated by an elongation in the excited‐state lifetime in aerated acetonitrile and improved emission quantum yields relative to the reference complex containing a [Ru(dpp)3]2+ core. Interestingly, the use of rigid and conjugated ruthenium‐based cores results, for all dendritic structures, in luminescence lifetimes that are several microseconds long in deaerated solutions, even at room temperature.(© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)
Analysis of insect triacylglycerols using liquid chromatography‐atmospheric pressure chemical ionization‐mass spectrometry
Authors: Kofroňová Edita , Cvačka Josef , Jiroš Pavel , Sýkora David , Valterová Irena 
Published: May 2009

AbstractAn HPLC non‐aqueous reversed‐phase separation system was adapted for analyzing insect triacylglycerols (TAG). The method uses two conventional Nova‐Pak C18 columns connected in series, for a total length of 45 cm. The mobile phase gradient is mixed from acetonitrile and 2‐propanol, and the flow rate is programmed from 1.0 to 0.7 mL/min. TAG are detected by atmospheric pressure chemical ionization‐mass spectrometry. The method ensures efficient separation of isomers and analysis of high‐molecular‐weight TAG with equivalent chain lengths up to 72. The method performance is demonstrated on analysis of TAG isolated from the fat body of the bumblebee Bombus lucorum.
Isolation and Structural Characterization of the Most Stable, Highly Symmetric Isomer of C60(CF3)18
Authors: Samokhvalova Nadezhda A. , Khavrel Pavel A. , Markov Vitaliy Yu. , Samokhvalov Pavel S. , Goruynkov Alexey A. , Kemnitz Erhard , Sidorov Lev N. , Troyanov Sergey I. 
Published: May 2009

AbstractThe high thermal and chemical stability of C3v‐C60(CF3)18 allowed its isolation from a complex C60(CF3)n isomer mixture followed by characterization with 19F NMR spectroscopy and single‐crystal X‐ray crystallography. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)
Ruthenium‐Catalyzed, One‐Pot Alcohol Oxidation–Wittig Reaction Producing α,β‐Unsaturated Esters
Authors: Lee Eun Young , Kim Youngkwon , Lee Jae Sung , Park Jaiwook 
Published: May 2009

AbstractBy a one‐pot process, α,β‐unsaturated esters were synthesized in high yield through the Ru‐catalyzed oxidation of primary alcohols and the coupling of the resulting aldehydes and stabilized Wittig reagents. The ruthenium catalyst is composed of ruthenium nanoparticles embedded in aluminum oxyhydroxide and can be recovered simply by filtration or decantation.(© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)
Gold 3D Brush Nanoelectrode Ensembles with Enlarged Active Area for the Direct Voltammetry of Daunorubicin
Authors: Cao Lixin , Yan Peisheng , Sun Kening , Kirk Donald W. 
Published: May 2009

Abstract3D gold brush nanoelectrode ensembles (BNEEs) consisted of gold nanowires 100 nm in diameter and 300 nm in length were fabricated by combining the technologies of template synthesis and controlled chemical etching of the membrane. The structure and morphology of the BNEEs was imaged by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The real active areas of BNEEs were found to be different when characterized by different redox species. The direct redox of daunorubicin (DNR) at the gold BNEEs exhibited absorption‐controlled characteristics and high current activity. BNEEs are reliable and effective in DNR detection.
On the Signaling of Electrochemical Aptamer‐Based Sensors: Collision‐ and Folding‐Based Mechanisms
Authors: Xiao Yi , Uzawa Takanori , White Ryan J. , DeMartini Daniel , Plaxco Kevin W. 
Published: May 2009

AbstractRecent years have seen the emergence of a new class of electrochemical sensors predicated on target binding‐induced folding of electrode‐bound redox‐modified aptamers and directed against targets ranging from small molecules to proteins. Previous studies of the relationship between gain and probe‐density for these electrochemical, aptamer‐based (E‐AB) sensors suggest that signal transduction is linked to binding‐induced changes in the efficiency with which the attached redox tag strikes the electrode. This, in turn, suggests that even well folded aptamers may support E‐AB signaling if target binding sufficiently alters their flexibility. Here we investigate this using a thrombin‐binding aptamer that undergoes binding‐induced folding at low ionic strength but can be forced to adopt a folded conformation at higher ionic strength even in the absence of its protein target. We find that, under conditions in which the thrombin aptamer is fully folded prior to target binding, we still obtain a ca. 30% change in E‐AB signal upon saturated target levels. In contrast, however, under conditions in which the aptamer is unfolded in the absence of target and thus undergoes binding‐induced folding the observed signal change is twice as great. The ability of folded aptamers to support E‐AB signaling, however, is not universal: a fully folded anti‐IgE aptamer, for example, produces only an extremely small, ca. 2.5% signal change in the presence of target despite the larger steric bulk of this protein. Thus, while it appears that binding‐induced changes in the dynamics in fully folded aptamers can support E‐AB signaling, this signaling mechanism may not be general, and in order to ensure the design of high‐gain sensors binding must be linked to a large‐scale conformational change.
3DOM Silica Composite Membrane Including Binary PAMPS–SPEES Polymer Electrolyte for DMFC
Authors: Munakata H. , Sasajima K. , Kanamura K. 
Published: May 2009

AbstractThree‐dimensionally ordered macroporous (3DOM) silica composite membrane including a binary polymer [poly(2‐acrylamido‐2‐methyl‐1‐propanesulphonic acid) (PAMPS)–sulphonated poly(1,4‐phenylene ether ether sulphone) (SPEES)] was fabricated by stepwise filling method. In the PAMPS–SPEES composite membrane, SPEES coated 3DOM silica surface and PAMPS occupied the remaining vacancy. Therefore, the structure of PAMPS–SPEES in the 3DOM silica was a core–shell like structure. The methanol permeability of composite membrane was successfully reduced from 1.9 × 10–6 to 3.2 × 10–7 cm2 s–1 at 30 °C by the stepwise filling of SPEES and then PAMPS. The proton conductivity of SPEES‐3DOM composite membrane was also improved by the PAMPS impregnation. However, the increment was not very notable regardless of the high conductivity of PAMPS. This result suggests that the proton transfer in 3DOM composite membrane mainly depends on the SPEES phase coating on 3DOM pore surface. Consequently, PAMPS‐SPEES‐3DOM composite membrane exhibited more than ten times higher performance than Nafion as an electrolyte membrane for direct methanol fuel cells (DMFCs).
Cholangiocarcinoma in cirrhosis: Absence of contrast washout in delayed phases by magnetic resonance imaging avoids misdiagnosis of hepatocellular carcinoma # †
Authors: Rimola Jordi , Forner Alejandro , Reig Maria , Vilana Ramon , de Lope Carlos Rodríguez , Ayuso Carmen , Bruix Jordi 
Published: May 2009

Abstract
This study assesses the magnetic resonance (MR) features of intrahepatic cholangiocarcinoma (ICC) in patients with cirrhosis with specific analysis of the contrast enhancement pattern. Cholangiocarcinoma may show increased contrast uptake in the arterial phase, and, if washout in the delayed venous phase were to be detected, the noninvasive diagnostic criteria proposed in the American Association for the Study of Liver Diseases guidelines would be refuted. We reviewed the MR findings of 25 patients with cirrhosis with 31 histologically confirmed ICC nodules. Signal intensity on basal T1-weighted and T2-weighted images and characteristics of enhancement after contrast administration on arterial, portal, and delayed phase were registered. Enhancement pattern was defined according to the behavior of the lesions in each phase, and dynamic pattern was described according to the progression of enhancement throughout the different phases. The most frequent pattern displayed by ICC was a progressive contrast uptake (80.6%). Stable contrast enhancement was registered in 19.4%. None of the ICCs showed a washout pattern, a profile that is specific for hepatocellular carcinoma (HCC). The ICC dynamic behavior differed significantly according to tumor size: progressive enhancement pattern was the most frequent (20 of 25 cases) in lesions larger than 20 mm, whereas the stable pattern was mainly identified in nodules smaller than 20 mm. The most characteristic MR contrast pattern in ICC in cirrhosis is a progressive contrast uptake throughout the different phases, whereas contrast washout at delayed phases is not observed. Because stable enhancement pattern without washout also can be registered in small HCC nodules, the evaluation of delayed phase is mandatory for a proper nodule characterization. If washout is not registered, a biopsy should be mandatory for diagnosis. (Hepatology 2009.)
A phase III study of the safety and efficacy of viramidine versus ribavirin in treatment-naïve patients with chronic hepatitis C: ViSER1 results #
Authors: Benhamou Yves , Afdhal Nezam H. , Nelson David R. , Shiffman Mitchell L. , Halliman Deanine G. , Heise Jamie , Chun Eric , Pockros Paul J. 
Published: May 2009

Abstract
Pegylated interferon (peg-IFN) and ribavirin (RBV) are effective in eradicating the hepatitis C virus in more than half of patients. However, anemia arising from RBV-induced hemolysis can prompt dose reductions and lower sustained virologic response (SVR) rates. In early clinical trials, Viramidine (VRD, renamed taribavirin), an RBV prodrug, was associated with less anemia and VRD given at 600 mg twice daily (BID) appeared to provide the best safety with comparable efficacy to RBV. The phase III Viramidine's Safety and Efficacy versus Ribavirin 1 (ViSER1) study randomized 972 treatment-naïve patients with chronic hepatitis C to fixed-dose VRD (600 mg BID) or weight-based RBV (1000 or 1200 mg/day), each given with peg-IFN alfa-2b at 1.5 μg/kg/week. The primary efficacy endpoint was SVR rate, and the primary safety endpoint was hemoglobin (Hb) event rate (percent of patients with Hb < 10 g/dL or at least a 2.5-g/dL decrease from baseline). SVR rates were 37.7% with VRD (244/647) and 52.3% with RBV (170/325). Thus, the ViSER1 study failed to demonstrate the primary noninferiority efficacy endpoint. Significantly fewer patients had Hb events with VRD (353/647; 54.6%) compared to those with RBV (272/325; 83.7%) (P < 0.001), and significantly fewer developed anemia (Hb < 10 g/dL) with VRD (34/647; 5.3%) compared to those with RBV (76/325; 23.5%) (P < 0.001). Conclusion: Fixed doses of VRD failed to demonstrate noninferiority to RBV in producing SVR rates. The incidence of anemia was approximately four-fold significantly lower with VRD than with RBV. These results suggest fixed-dose VRD given 600 mg BID is insufficient to treat patients with chronic hepatitis C; a weight-based dosing trial of viramidine is currently under way. (Hepatology 2009.)
Disease classification with hippocampal shape invariants
Authors: Gutman Boris , Wang Yalin , Morra Jonathan , Toga Arthur W. , Thompson Paul M. 
Published: May 2009

AbstractWe present an Alzheimer's detection study based on a global shape description of hippocampal surface models. With global descriptors forming our bag of features, Support Vector Machine classification of 49 Alzheimer(AD) and 63 elderly control subjects yielded 75.5% sensitivity and 87.3% specificity with 82.1% correct overall in a leave‐one‐out test. We show that our description contributes new information to simpler shape measures. Armed with a rigid shape registration tool, we also present a way to visualize variation in global shape description as a local displacement map, thus clarifying the descriptors' anatomical meaning. © 2009 Wiley‐Liss, Inc.
Early emotional development in infants and toddlers: Perspectives of Early Head Start staff and parents
Authors: Brophy‐Herb Holly E. , Horodynski Mildred , Dupuis Sara B. , London Bocknek Erika , Schiffman Rachel , Onaga Esther , Van Egeren Laurie A. , Fitzgerald Hiram E. , Cunningham‐Deluca Mary , Hawver Shelley , Adkins Madonna , Thomas Sarah 
Published: May 2009

AbstractAs part of a curriculum‐development project, focus groups were implemented with Early Head Start staff and with parents of infants and toddlers enrolled in Early Head Start. Focus groups were designed to identify staff and parent beliefs about early emotional development. Three major themes were identified that crossed the staff and parent focus groups: (a) Infants' and toddlers' abilities to have emotions and to be aware of others' emotions; (b) roles of parents as advocates, teachers, and disciplinarians; and (c) parental reflectivity about their own experiences as influences on their parenting. The findings suggest that parents participating in Early Head Start have some knowledge about basic emotions and the developmental nature of emotions, but may easily misinterpret emotional displays only as attempts at manipulation rather than as valid expressions of feelings; expectations for gender‐appropriate emotional expressiveness begin early; more empowered parents may view themselves as role models and teachers for their children; and more reflective parents are better prepared to engage in the sensitive interactions needed to guide young children's growing awareness of their own and others' emotions. Implications for parenting education and program planning utilizing an infant mental health perspective are discussed.
Triadic nonverbal communication in mother–infant consultations: Two contrasted cases
Authors: Hervé M.J. , Grandjean H. , Visier J.P. , Maury M. 
Published: May 2009

AbstractThe aim of the present case study was to present and discuss the analysis of triadic nonverbal communication between mother, infant, and therapist in two early consultations as an indicator of the therapeutic alliance. The analysis explored nonverbal triadic interactions (body positions and facial orientations of the mother, infant, and therapist, and expressive behaviors of the infant) and triadic affective sharing (via a microanalytic interview of the therapist). The quality of the therapeutic alliance and clinical outcome for each case are described. The description of the two cases illustrates the importance of the progressive development of nonverbal “engagement” by the three people (triadic alliance) and of moments with triadic emotional sharing. The contribution of the therapist appears to be crucial, in particular via his or her body and affective engagement with the infant. The triadic alliance appears to be both an indicator of the therapeutic alliance and an element that can foster it.
Satellite babies in transnational families: A study of parents' decision to separate from their infants
Authors: Bohr Yvonne , Tse Connie 
Published: May 2009

AbstractThis study examines a practice which is characteristic of an era of intensifying globalization: As part of a transnational lifestyle, an increasing number of immigrants to North America send infants thousands of miles back to their country of origin to be raised by members of their extended families—a culturally sanctioned tradition. After several years of separation, the children return to the biological parents to attend school in the adopted country, a custom which, according to Western mental health models, could have significant sequelae for attachment relationships and other facets of development. This practice is particularly prevalent among immigrants from the People's Republic of China, but a modified version of it can be found in other groups as well. The work described here is the first phase of a longitudinal project that explores the advantages and potential repercussions, for both infants and parents, of a transnational lifestyle. The current study reviews the decision‐making process of a group of Chinese Canadian immigrant parents who are considering a separation from their infants. Preliminary findings show that the expected concerns about disrupting attachment relationships are embedded in more salient considerations of economic need and cultural perspective. These exploratory data exemplify an emergent field of culture‐focused research and practice in infant mental health, and support the call for innovative models to situate infant developmental pathways in global and transcultural contexts.
Mother–infant psychotherapy: Examining the therapeutic process of change
Authors: Paris Ruth , Spielman Eda , Bolton Rendelle E. 
Published: May 2009

AbstractTreatments that involve the mother–infant dyad have shown great potential for mitigating the deleterious effects of maternal mental health problems for the mother, infant, and the mother–infant relationship. The present study utilizes focus‐group data from clinicians providing mother–infant psychotherapy in the Early Connections program, a home‐based mother–infant psychotherapy for the treatment of postpartum mood disorders. Findings highlight aspects of the process in mother–infant psychotherapy that contribute to change and positive relational development in the mother–infant dyad as well as in the therapeutic alliance. Viewed through the lens of relational theories relevant to mother–infant treatment (J.V. Jordan, A.G. Kaplan, J.B. Miller, I.P. Stiver, & J.L. Surrey, 1991; D.N. Stern et al., 1998), the findings of this study support the importance of the relational connection and the “now moment” (D.N. Stern et al., 1998, p. 304) as catalytic factors in change and growth that occur during psychotherapy. Implications for clinical practice and directions for future research are discussed.
Cartilage engineering using cell‐derived extracellular matrix scaffold in vitro
Authors: Jin Cheng Zhe , Choi Byung Hyune , Park So Ra , Min Byoung‐Hyun 
Published: May 2009

AbstractA cell‐derived extracellular matrix (ECM) scaffold was constructed using cultured porcine chondrocytes via a freeze‐drying method, and its ability to promote cartilage formation was evaluated in vitro. Scanning electron microscope (SEM) revealed that the scaffold had highly uniform porous microstructure. Then, rabbit chondrocytes were seeded dynamically on ECM scaffold and cultured for 2 days, 1, 2, and 4 weeks in vitro for analysis. Polyglycolic acid (PGA) scaffold was used as a control. On gross observation of neocartilage tissue, a silvery white cartilage‐like tissue was observed after 1 week of culture in ECM scaffold, while similar morphology was seen only after 4 weeks in PGA scaffold. The volume of neocartilage‐like tissue was significantly increased in both ECM and PGA groups. The compressive strength was gradually increased with time in ECM group, while gradually decreased in PGA group. DNA, glycosaminoglycan (GAG) and collagen contents also increased gradually with time in both groups, but showed more significant increase in ECM group. Histological staining for GAG (Safranin O staining) and type II collagen (immunohistochemistry) showed sustained accumulation of ECM molecules with time, which gradually and uniformly filled porous space in ECM scaffold. On the contrary, they accumulated only at the peripheral area of PGA scaffold. These results suggest that a novel cell‐derived ECM scaffold can provide a promising environment for generating a high quality cartilage in vitro. © 2009 Wiley Periodicals, Inc. J Biomed Mater Res, 2010