bluuebunny/crossref_metadata_2025_split huggingface dataset:
Contribution of Criterion A2 to PTSD Screening in the Presence of Traumatic Events
Authors: Pereda Noemí , Forero Carlos G. 
Published: October 2012

Criterion A2 according to the Diagnostic and Statistical Manual of Mental Disorders (4th ed.; DSM‐IV; American Psychiatric Association [APA], 1994) for posttraumatic stress disorder (PTSD) aims to assess the individual's subjective appraisal of an event, but it has been claimed that it might not be sufficiently specific for diagnostic purposes. We analyse the contribution of Criterion A2 and DSM‐IV criteria to detect PTSD for the most distressing life events experienced by our subjects. Young adults (N = 1,033) reported their most distressing life events, together with PTSD criteria (Criteria A2, B, C, D, E, and F). PTSD prevalence and criterion specificity and agreement with probable diagnoses were estimated. Our results indicate 80.30% of the individuals experienced traumatic events and met one or more PTSD criteria; 13.22% cases received a positive diagnosis of PTSD. Criterion A2 showed poor agreement with the final probable PTSD diagnosis (correlation with PTSD .13, specificity = .10); excluding it from PTSD diagnosis did not the change the estimated disorder prevalence significantly. Based on these findings it appears that Criterion A2 is scarcely specific and provides little information to confirm a probable PTSD case.
Combat‐Related PTSD Nightmares and Imagery Rehearsal: Nightmare Characteristics and Relation to Treatment Outcome
Authors: Harb Gerlinde C. , Thompson Richard , Ross Richard J. , Cook Joan M. 
Published: October 2012

The characteristics of nightmares of 48 male U.S. Vietnam war veterans with combat‐related posttraumatic stress disorder (PTSD), as well as revised dream scripts developed in the course of Imagery Rehearsal therapy, were examined in relation to pretreatment symptomatology and treatment outcome. Features, content, and themes of nightmares and rescripted dreams were coded by 2 independent raters. Nightmares were replete with scenes of death and violence and were predominantly replays of actual combat events in which the veteran was under attack and feared for his life. Although addressing or resolving the nightmare theme with rescripting was associated with a reduction in sleep disturbance, references to violence in the rescripted dream were related to poorer treatment outcome in nightmare frequency; B = 5.69 (SE = 1.14). The experience of olfactory sensations in nightmares, a possible index of nightmare intensity, was also related to poorer treatment response; B = 2.95 (SE = 1.06). Imagery rehearsal for individuals with severe, chronic PTSD and fairly replicative nightmares may be most effective when the rescripted dream incorporates a resolution of the nightmare theme and excludes violent details.
Visible 532 nm laser irradiation of human adipose tissue‐derived stem cells: Effect on proliferation rates, mitochondria membrane potential and autofluorescence
Authors: Anwer Ayad G. , Gosnell Martin E. , Perinchery Sandeep M. , Inglis David W. , Goldys Ewa M. 
Published: October 2012

AbstractBackground and ObjectiveThe photobiological effect of laser light on cells and tissues originates from light absorption by endogenous chromophores and hence it depends on the wavelength of light source and cell type. Earlier studies regarding the biostimulation effects of green laser light investigated a wide variety of cells but not adipose tissue‐derived stem cells (ADSCS). In this study we reported thein vitroeffect of 532‐nm Nd:YAG laser on proliferation, mitochondrial activity of these mesenchymal stem cells (MSCs) on the autofluorescence emission at wavelengths associated with nicotinamide adenine dinucleotide (NADH) and flavoproteins.Materials and MethodsADSCS were exposed to 532 nm second harmonic generation laser light at moderate power density (0.153 W/cm2) for periods of 30, 45, 60, 180, and 300 seconds. Mitochondrial membrane potential was measured using JC1 stain and confocal laser scanning microscopy, cell proliferation rates, and cellular autofluorescence emission at 450 and 540 nm wavelengths were measured using micro plate spectrofluorometer 48 hours after irradiation.ResultsShorter (30–60 seconds) exposure times led to significantly increased proliferation, attributed to increased mitochondrial activity (P < 0.05). At longer exposures we observed a significant decrease in proliferation and autofluorescence (P < 0.05). Strong correlation was observed between proliferation rates of cells and autofluorescence intensity.ConclusionOur results show that autofluorescence of the respiratory chain components and key autofluorescent metabolites offers a non‐invasive method to quantify cellular response to laser irradiation. Lasers Surg. Med. 44: 769–778, 2012. © 2012 Wiley Periodicals, Inc.
Controlling the Actuation Rate of Low‐Density Shape‐Memory Polymer Foams in Water
Authors: Singhal Pooja , Boyle Anthony , Brooks Marilyn L. , Infanger Stephen , Letts Steve , Small Ward , Maitland Duncan J. , Wilson Thomas S. 
Published: October 2012

AbstractSMPs have been shown to actuate below their dry glass transition temperatures in the presence of moisture due to plasticization. This behavior has been proposed as a self‐actuating mechanism of SMPs in water/physiological media. However, control over the SMP actuation rate, a critical factor for in vivo transcatheter device delivery applications, has not been previously reported. Here, a series of polyurethane SMPs with systematically varied hydrophobicity is described that permits control of the time for their complete shape recovery in water from under 2 min to more than 24 h. This control over the SMP actuation rate can potentially provide significant improvement in their delivery under conditions, which may expose them to high‐moisture environments prior to actuation.magnified image
Comparison of exponential‐logarithmic and logarithmic‐exponential series
Authors: Kuhlmann Salma , Tressl Marcus 
Published: October 2012

AbstractWe explain how the field of logarithmic‐exponential series constructed in 20 and 21 embeds as an exponential field in any field of exponential‐logarithmic series constructed in 9, 6, and 13. On the other hand, we explain why no field of exponential‐logarithmic series embeds in the field of logarithmic‐exponential series. This clarifies why the two constructions are intrinsically different, in the sense that they produce non‐isomorphic models of Th\documentclass{article}\usepackage{amssymb}\begin{document}\pagestyle{empty}$(\mathbb {R}_{\mbox{an, exp}})$\end{document}; the elementary theory of the ordered field of real numbers, with the exponential function and restricted analytic functions.
The Kripke schema in metric topology
Authors: Lubarsky Robert , Richman Fred , Schuster Peter 
Published: October 2012

AbstractA form of Kripke's schema turns out to be equivalent to each of the following two statements from metric topology: every open subspace of a separable metric space is separable; every open subset of a separable metric space is a countable union of open balls. Thus Kripke's schema serves as a point of reference for classifying theorems of classical mathematics within Bishop‐style constructive reverse mathematics.
Characterization of large molecular weight ester‐functionalized norbornene and hydroxylated norbornane carboxylic acid polymers prepared by ring‐opening metathesis polymerization
Authors: Stidham Sarah E. , Weinberg Benjamin H. , Grinstaff Mark W. 
Published: October 2012

Abstract5‐Norbornene‐2‐ethyl ester (mixture of endo and exo) is polymerized via ring‐opening metathesis polymerization, yielding polymers with molecular weights ranging from 50,000 to 5,000,000 g/mol. The polymers are hydroxylated and saponified without alteration of the molecular weight. The polymers are analyzed by NMR, gel permeation chromatography, differential scanning calorimetry, and thermogravimetric analysis. Films are cast from the polymers at several molecular weights and their rheological properties are investigated. The results showed greater solid‐like character with increasing molecular weight for all polymers analyzed. Cell viability studies showed that the films possessed minimal cytotoxicity. © 2012 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2012
[2.2]paracyclophane‐based through‐space conjugated polymers with fluorescence quenchers
Authors: Morisaki Yasuhiro , Ueno Shizue , Chujo Yoshiki 
Published: October 2012

AbstractNew [2.2]paracyclophane‐based through‐space conjugated polymers containing fluorescence quenchers such as anthraquinone and ferrocene units at the polymer termini were designed and synthesized. Their optical properties were investigated in detail. Fluorescence emission from the stacked π‐electron systems was effectively quenched by the stacked π‐electron systems at the polymer termini due to the energy and electron transfer through a single polymer chain; thus, the polymers acted as the molecular wire. © 2012 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2013
Recent progress on polymer dynamics by neutron scattering: From simple polymers to complex materials
Authors: Colmenero Juan , Arbe Arantxa 
Published: October 2012

AbstractThe recent (from 2010 onward) contributions of quasielastic neutron scattering techniques (time of flight, backscattering, and neutron spin echo) to the characterization and understanding of dynamical processes in soft materials based on polymers are analyzed. The selectivity provided by the combination of neutron scattering and isotopic—in particular, proton/deuterium—labeling allows the isolated study of chosen molecular groups and/or components in a system. This opportunity, together with the capability of neutrons to provide space/time resolution at the relevant length scales in soft matter, allows unraveling the nature of the large variety of molecular motions taking place in materials of increasing complexity. As a result, recent relevant works can be found dealing with dynamical process which associated characteristic lengths and nature are as diverse as, for example, phenyl motions in a glassy linear homopolymer like polystyrene and the chain dynamics of a polymer adsorbed on dispersed clay platelets. © 2012 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys, 2013
Partner relationships after mastectomy in women not offered breast reconstruction
Authors: Andrzejczak Ewa , Markocka‐Mączka Krystyna , Lewandowski Andrzej 
Published: October 2012

AbstractBackgroudThe present study assessed the degree to which undergoing a mastectomy without reconstructive surgery negatively impacts the patient's psychological state. We focus on body image and self‐esteem as well as the influence of mastectomy on patient sex lives and partnership relations.MethodsThe participants were 60 women, either married or in a relationship, who had had a mastectomy because of breast cancer and no subsequent reconstructive surgery. A marital happiness questionnaire was used to evaluate the research problem.ResultsSurgery negatively impacted partnership relations for 33% of participants. In particular, 31% reported deterioration in attractiveness; 31%, a feeling of malaise; and 30%, that their partners perceived them as less attractive. Moreover, 80% in the youngest group reported that they covered their body during intimate contact, whereas 58% in the oldest age group reported the same behaviour. Deterioration in satisfaction with sex life and in the pleasure of sexual intercourse was indicated by 71% and 77%, respectively. Correspondingly, 71% also noticed a decrease in sexual activity, with 76% of participants aged 50–65 years reporting such a decline. The oldest women were also less satisfied with their sexual intercourse.ConclusionsBreast excision due to cancer negatively impacted the quality of sexual life for 71% of participants. Partnership relations after surgery remained unchanged for 67% of them. There was significant impact of surgery on the perception of one's own body. Copyright © 2012 John Wiley & Sons, Ltd.
Detection of disordered regions in globular proteins using 13C‐detected NMR
Authors: Gray Felicia L. V. , Murai Marcelo J. , Grembecka Jolanta , Cierpicki Tomasz 
Published: October 2012

AbstractCharacterization of disordered regions in globular proteins constitutes a significant challenge. Here, we report an approach based on 13C‐detected nuclear magnetic resonance experiments for the identification and assignment of disordered regions in large proteins. Using this method, we demonstrate that disordered fragments can be accurately identified in two homologs of menin, a globular protein with a molecular weight over 50 kDa. Our work provides an efficient way to characterize disordered fragments in globular proteins for structural biology applications.
ALPP: anonymous and location privacy preserving scheme for mobile IPv6 heterogeneous networks
Authors: Taha Sanaa , Shen Xuemin (Sherman) 
Published: October 2012

ABSTRACTThe integration of mobile IPv6 heterogeneous networks enhances networking performance; however, it also breaks mobile node's anonymity and location privacy. In this paper, we propose an anonymous and location privacy preserving (ALPP) scheme that consists of two complementary subschemes: anonymous home binding update and anonymous return routability. In addition, anonymous mutual authentication and key establishment schemes have been proposed to work in conjunction with ALPP to authenticate a mobile node to its foreign gateway and create a shared key between them. ALPP adds anonymity and location privacy services to mobile IPv6 signaling to achieve mobile senders and receivers' privacy. Unlike existing schemes, ALPP alleviates the trade‐off between the networking performance and the achieved privacy level. Combining onion routing and anonymizer in ALPP scheme increases the achieved location privacy level where no entity in the network except the mobile node itself can identify this node's location. Using entropy model, we show that ALPP achieves higher degree of anonymity than the mix‐based scheme. The anonymous home binding update and anonymous return routability subschemes require less computation overheads and thwart both internal and external adversaries. Simulation results demonstrate that our schemes have low control packets routing delays and are suitable for the seamless handover. Copyright © 2012 John Wiley & Sons, Ltd.
A Versatile Multicomponent Assembly via β‐cyclodextrin Host–Guest Chemistry on Graphene for Biomedical Applications
Authors: Dong Haiqing , Li Yongyong , Yu Jinhai , Song Yanyan , Cai Xiaojun , Liu Jiaqiang , Zhang Jiaming , Ewing Rodney C. , Shi Donglu 
Published: October 2012

AbstractA multi‐component nanosystem based on graphene and comprising individual cyclodextrins at its surface is assembled, creating hybrid structures enabling new and important functionalities: optical imaging, drug storage, and cell targeting for medical diagnosis and treatment. These nanohybrids are part of a universal system of interchangeable units, capable of mutilple functionalities. The surface components, made of individual β‐cyclodextrin molecules, are the “hosts” for functional units, which may be used as imaging agents, for anti‐cancer drug delivery, and as tumor‐specific ligands. Specifically, individual β‐cyclodextrin (β‐CD), with a known capability to host various molecules, is considered a module unit that is assembled onto graphene nanosheet (GNS). The cyclodextrin‐functionalized graphene nanosheet (GNS/β‐CD) enables “host–guest” chemistry between the nanohybrid and functional “payloads”. The structure, composition, and morphology of the graphene nanosheet hybrid have been investigated. The nanohybrid, GNS/β‐CD, is highly dispersive in various physiological solutions, reflecting the high biostability of cyclodextrin. Regarding the host capability, the nanohybrid is fully capable of selectively accommodating various biological and functional agents in a controlled fashion, including the antivirus drug amantadine, fluorescent dye [5(6)‐carboxyfluorescein], and Arg‐Gly‐Asp (RGD) peptide‐targeting ligands assisted by an adamantine linker. The loading ratio of 5(6)‐carboxyfluorescein is as high as 110% with a drug concentration of 0.45 mg mL−1. The cyclic RGD‐functionalized nanohybrid exhibits remarkable targeting for HeLa cells.
Hierarchical Rutile TiO2 Flower Cluster‐Based High Efficiency Dye‐Sensitized Solar Cells via Direct Hydrothermal Growth on Conducting Substrates
Authors: Ye Meidan , Liu Hsiang‐Yu , Lin Changjian , Lin Zhiqun 
Published: October 2012

AbstractDye‐sensitized solar cells (DSSCs) based on hierarchical rutile TiO2 flower clusters prepared by a facile, one‐pot hydrothermal process exhibit a high efficiency. Complex yet appealing rutile TiO2 flower films are, for the first time, directly hydrothermally grown on a transparent conducting fluorine‐doped tin oxide (FTO) substrate. The thickness and density of as‐grown flower clusters can be readily tuned by tailoring growth parameters, such as growth time, the addition of cations of different valence and size, initial concentrations of precursor and cation, growth temperature, and acidity. Notably, the small lattice mismatch between the FTO substrate and rutile TiO2 renders the epitaxial growth of a compact rutile TiO2 layer on the FTO glass. Intriguingly, these TiO2 flower clusters can then be exploited as photoanodes to produce DSSCs, yielding a power conversion efficiency of 2.94% despite their rutile nature, which is further increased to 4.07% upon the TiCl4 treatment.
A Transdisciplinary World Model
Authors: Hodgson Anthony 
Published: October 2012

The complexities and non‐linearities of the world system are increasing the mismatch between the way we think about the world and the actual behaviour of the world. In systems science, this is summarized by expressions like unintended consequences, counter‐intuitive outcomes, emergent properties, synchronous failures and unpredictable knock‐on effects. This whole field has been summed up as the global problematique. Increasing the match between our espoused world models and the behaviour of the real world in policies, strategies and decisions requires a major shift to holistic transdisciplinary approaches.This paper will describe the innovation and pilot testing of a transdisciplinary approach to stimulating systemic interconnected thinking about complex issues from the global level (for example climate change) to the local level (for example increasing resilience in a village community). The approach is based on a world system model that is designed to promote holistic and transdisciplinary conversations across 12 key dimensions of sustainable communities. The model serves several purposes ranging from a ‘World Game’ that groups of people can play to strategic workshops that challenge decision making beyond conventional scenario planning methods, to ways of mapping global impacts of climate change.The paper will describe some of the main foundations from systems thinking that underpin the model. These include multi‐factor modelling, variety engineering, feedback coupling and non‐linear behaviour. Some indications of application are also given. Copyright © 2012 John Wiley & Sons, Ltd.
Pulvermetallurgisch hergestellte Sputtertargets
Authors: Adelhelm Christoph , Winkler Jörg , Linke Christian , Franzke Enrico , Köstenbauer Harald 
Published: October 2012

AbstractDie Schichtabscheidung über Magnetronsputtern ist Bestandteil wichtiger Prozessschritte bei der Herstellung von CIGS‐Dünnschicht Photovoltaikmodulen. Diese basieren auf dem Halbleiter Cu(In, Ga)Se2 und erfordern einen Rückkontakt aus Molybdän. Herstellung und Anwendung von Sputtertargets aus Molybdän, MoNa und CuGa werden diskutiert. Die Targetherstellung über pulvermetallurgische Fertigungsverfahren wird am Beispiel von Molybdän eingeführt. Der Herstellungsweg über Pressen‐Sintern‐Umformen resultiert in hochreinem Material mit voller Dichte. Durch Zugabe einer Natriumverbindung wurden MoNa Targets entwickelt, wodurch die Dotierung des CIGS‐Absorbers mit geringen Mengen Natrium erreicht werden kann. Bei CuGa‐Targets bietet die pulvermetallurgische Fertigung gegenüber der Schmelzmetallurgie Vorteile: Eine feinere und gleichmäßigere Mikrostruktur des Targets resultiert in einer homogenen lateralen Zusammensetzung der CuGa‐Schichten.
CXS chemical dry vacuum pump brings smart vacuum to the process industry
Authors: Collins Don 
Published: October 2012

AbstractThe chemical sector as a whole has been quick to recognise the clear advantages of dry vacuum pumps over traditional wet technologies, and dry vacuum pumps are now well established around the world as an efficient, reliable option.A new trend is now emerging: for vacuum to be seen as a ‘utility’. In response, dry vacuum technology is being developed by manufacturers to be available on demand in a ‘plug and pump’ system that requires minimum set‐up and maintenance.The most advanced chemical dry vacuum pumps, such as the new CXS pump from Edwards, deliver exceptional energy efficiency and performance, are cost‐effective to run, and are environmentally sound.
Sind Trockenläufer wirklich die Lösung aller Probleme?
Authors: Barfuss Heinz 
Published: October 2012

AbstractMit diesem Artikel versucht der Autor aufzuzeigen, daß Trockenläufer nicht in allen Anwendungen aufgrund des Pumpprinzips, der Saugvermögenscharakteristik und auch physikalischen Grenzen die Lösung aller vakuumtechnischen Herausforderungen sind. Aufwendige Überwachungs‐ und Schutzmaßnahmen machen den Betrieb anfälliger, erhöhen die Betriebs‐ und Wartungskosten und stellen gegenüber den klassischen Drehschieberpumpen deutlich höhere Anforderungen an die Systemhersteller und Betreiber. Die Notwendigkeit der Ölfreiheit im Schöpfraum und der Prozesskammer oder Apparatur hat die Entwicklung der Trockenläufer entscheidend vorangetrieben, jedoch ist die Drehschieberpumpe auch weiterhin in bestimmten Anwendungen die Pumpe der Wahl.
An improved short‐lived fluorescent protein transcriptional reporter for Saccharomyces cerevisiae
Authors: Houser John R. , Ford Eintou , Chatterjea Sudeshna M. , Maleri Seth , Elston Timothy C. , Errede Beverly 
Published: October 2012

AbstractIdeal reporter genes for temporal transcription programmes have short half‐lives that restrict their detection to the window in which their transcripts are present and translated. In an effort to meet this criterion for reporters of transcription in individual living cells, we adapted the ubiquitin fusion strategy for programmable N‐end rule degradation to generate an N‐degron version of green fluorescent protein (GFP) with a half‐life of ~7 min. The GFP variant we used here (designated GFP*) has excellent fluorescence brightness and maturation properties, which make the destabilized reporter well suited for tracking the induction and attenuation kinetics of gene expression in living cells. These attributes are illustrated by its ability to track galactose‐ and pheromone‐induced transcription in S. cerevisiae. We further show that the fluorescence measurements using the short‐lived N‐degron GFP* reporter gene accurately predict the transient mRNA profile of the prototypical pheromone‐induced FUS1 gene. Copyright © 2012 John Wiley & Sons, Ltd.
Impact of Reaction Conditions on the Structures of Nickel(II) Complexes Based on 3‐(4‐Carboxyphenyl)propionic Acid
Authors: Sun Chang‐Yan , Li Wen‐Jun , Che Ping 
Published: October 2012

AbstractTwo new nickel(II) complexes, [Ni(4, 4′‐bpy)(H2O)4]n·n(cpp)·0.5nH2O (1) and [Ni(cpp)(4, 4′‐bpy)(H2O)2]n (2) [4, 4′‐bpy = 4, 4′‐bipyridine, H2cpp = 3‐(4‐carboxyphenyl)propionic acid] were synthesized and characterized by single‐crystal X‐ray diffraction, elemental analysis, IR spectroscopy, and thermal analysis. In complex 1, NiII ions are bridged by 4, 4′‐bpy into 1D chains, and cpp ligands are not involved in the coordination, whereas in complex 2, cpp ligands adopt a bis(monodentate) mode and link NiII ions into 2D (4, 4) grids with the help of 4, 4′‐bpy ligands. Triple interpenetration occurs, which results in the formation of a complicated 3D network. The difference in the structures of the two complexes can be attributed to the different reaction temperatures and bases.