bluuebunny/crossref_metadata_2025_split huggingface dataset:
Automated 4D analysis of dendritic spine morphology: applications to stimulus-induced spine remodeling and pharmacological rescue in a disease model
Authors: Swanger Sharon A , Yao Xiaodi , Gross Christina , Bassell Gary J 
Published: October 2011

Abstract
Uncovering the mechanisms that regulate dendritic spine morphology has been limited, in part, by the lack of efficient and unbiased methods for analyzing spines. Here, we describe an automated 3D spine morphometry method and its application to spine remodeling in live neurons and spine abnormalities in a disease model. We anticipate that this approach will advance studies of synapse structure and function in brain development, plasticity, and disease.
C-Reactive Protein Induces Release of Both Endothelial Microparticles and Circulating Endothelial Cells In Vitro and In Vivo: Further Evidence of Endothelial Dysfunction
Authors: Devaraj Sridevi , Kumaresan Pappanaicken R , Jialal Ishwarlal 
Published: October 2011

BACKGROUND
Inflammation is pivotal in atherosclerosis. A key early event in atherosclerosis is endothelial dysfunction. C-reactive protein (CRP), the prototypic marker of inflammation in humans, is a risk marker for cardiovascular disease, and there is mounting evidence to support its role in atherothrombosis. CRP has been shown to promote endothelial dysfunction both in vitro and in vivo. Emerging biomarkers of endothelial dysfunction include circulating endothelial cells (CECs) and endothelial microparticles (EMPs). However, there is a paucity of data examining the effect of CRP on CEC and EMP production in vitro and in vivo.

METHODS
In this report, we treated human aortic endothelial cells (HAECs) with increasing concentrations of CRP (0–50 μg/mL) or boiled CRP. We counted CECs and EMPs by flow cytometry.

RESULTS
Although CRP treatment resulted in a significant increase in release of both CECs and EMPs, boiled CRP failed to have an effect. Pretreatment of HAECs with sepiapterin or diethylenetriamine NONOate, both of which preserve nitric oxide (NO), resulted in attenuation of CRP's effects on CECs and EMPs. CD32 and CD64 blocking antibodies but not CD16 antibody or lectin-like oxidized LDL receptor 1 small interfering RNA (LOX-1 siRNA) prevented CRP-induced production of CECs and EMPs. Furthermore, delivery of human CRP to Wistar rats compared with human serum albumin resulted in significantly increased CECs and EMPs, corroborating the in vitro findings.

CONCLUSIONS
We provide novel data that CRP, via NO deficiency, promotes endothelial dysfunction by inducing release of CECs and EMPs, which are biomarkers of endothelial dysfunction.
Beobachtungen zum Taktikon Escorialense
Authors: Krsmanović Bojana 
Published: October 2011

Abstract
The Taktikon Escorialense, a list of functions compiled in the time of John I Tzimiskes, is an important source for studying the reform of the military organisation and state apparatus of Byzantium during the 10th century. Records of this reform, however, can also be found in other, literary and sigillographic sources, so its beginnings, principal stages and characteristics, and how the organisation of the provinces evolved in the 11th century, were reconstructed independently from the TE by Ahrweiler.
Like many other sources of this kind, the TE has particular characteristics that lead one to ask in what measure this list of functions really reflected the transformation of the state apparatus in the 10th century. The conclusion may be drawn that this taktikon was an unfinished list of Byzantine functions and honorary titles, and, as indicated by data from other sources (first of all, sigillographic ones), it testifies only to a temporary phase in the reform carried out in Byzantium in the course of the 10th century. There are certain illogical elements in the TE, in the sequence of mentioning the functionaries; some data about the creation of new appointments mentioned in other sources, were omitted from this list of functions, etc. Despite the said shortcomings, though, the TE makes it possible to pose fresh questions, and reactivates some earlier ones connected with the problem of the transformation of the Byzantine central and provincial system, especially in the domain of the Empire's military organisation.
Vita Sancti Marciani Oeconomi
Authors: Wortley John 
Published: October 2011

Abstract
Marcian (? – ca 474) was appointed oeconomos of the properties of the Great Church by the Patriarch Gennadius (458–471) possibly after serving as the last Novatian bishop of Constantinople. He employed his considerable personal wealth in founding and restoring churches in the capital, most significantly one named Anastasia, incorporating the “small oratory” in which Gregory of Nazianzen had ministered to the faithful remnant of Nicenes during the winter of 379–380: a church with significant Gothic connections. A critical edition of the complete text of the vita (previously only available in the Metaphrastic version, PG 114, 429–456) is here presented and translated. The vita was composed by one Sergius almost certainly some considerable time after the death of Marcian for, although it provides some useful information on the nature of the surviving buildings attributed to him, the little it has to say about the man himself largely consists of conventional miracula rather than of biographical detail – of which there is surprisingly little. Even certain data known from other sources are passed over in silence. On the other hand, the healing properties of the Anastasia church are affirmed with a passage taken almost verbatim from Sozomen. While the vita is in no sense a biography of the saint, it does contain a wealth of information on a fifth-century Constantinople.
A Reappraisal of the Chronicle of Theodore of Kyzikos
Authors: Zafeiris Konstantinos 
Published: October 2011

Abstract
Although the Chronicle of Theodore of Kyzikos has been known to scholarship and was included in Kurmbacher's Geschichte Der Byzantinischen Litteratur, it was later identified with the Synopsis Chronike, and hence excluded from any further research. The article reconsiders the text and its place in Byzantine historiography, focusing on its relationship to the Synopsis Chronike. It analyses their similarities and differences, particularly in terms of textual criticism, and examines possible connections between them. Finally, it concludes that the accepted hypothesis that the two texts are one and the same (or mere variations of the same text) is not valid. Instead, it proposes that the Chronicle of Theodore of Kyzikos and the Synopsis Chronike are two distinct chronicles that derive from an earlier common archetype, which is now lost.
“Du lernst, dass du das nicht brauchst” — Ein transformationales Produkt zur Steigerung der Selbstkontrolle
Authors: Kehr Flavius , Laschke Matthias , Hassenzahl Marc 
Published: October 2011

Zusammenfassung
Wir stellen ein transformationales Produkt vor, das verführerische Situationen schafft, zu deren Bewältigung Selbstkontrolle erforderlich ist. Im Rahmen einer Pilotstudie wird untersucht, welche Erfahrungen Personen bei der 14-tägigen Nutzung des Produkts machen. Es zeigt sich, dass die Nutzung des Produkts auf eine freudvolle Weise zu einer stärkeren Selbstreflexion, zur Entwicklung spezifischer Bewältigungsstrategien und zur Verminderung der benötigten Selbstkontrollstärke führt.
Zeiterfassung — Mobile Games — Lerntheorie
Authors: Bublitz Arno 
Published: October 2011

Zusammenfassung
Zeiterfassung. Nichts ist schlimmer als Zeiterfassung. Sie hält von der Arbeit ab. Sie ist mühsam. Sie wird gerne vergessen. Es soll schon mal einen Menschen gegeben haben, der gerne Zeiterfassung gemacht hat. Getroffen hat ihn noch niemand. Und doch: Ohne Zeiterfassung keine Abrechnung. Und kein Geld vom Kunden. Was liegt näher als das Problem der Zeiterfassung, wenn wir über persuasives Design nachdenken wollen? Wenn wir nachdenken wollen über Anwendungen, die unser Verhalten ändern? Ein System zur Zeiterfassung sollte so gestaltet werden, dass der Nutzer gern und oft seine Zeiten eingibt. Der Anbieter der Software möchte dieses aus Verhalten herbeiführen. Der Nutzer hat selbst ebenfalls ein Interesse an dieser Verhaltensänderung: Sie erleichtert erheblich das Leben. Ich möchte in diesem Artikel einen Dreisprung wagen: Von Lerntheorie über einen Vergleich von Zeiterfassung und Mobile Games hin zu den Erfordernissen an die Konzeption und Dokumentation von persuasivem Design.
Berechnung von Erfolgskennzahlen für Facebook Fan-Pages
Authors: Brocke Anna , Faust Alexander 
Published: October 2011

Zusammenfassung
Dieser Beitrag definiert für Facebook Fan-Pages den Begriff “Erfolg” genauer und beschäftigt sich anschließend mit der Herleitung und Berechnung von Erfolgskennzahlen. Wir stellen Möglichkeiten manueller und automatisierter Auswertung vor. Beispiele für Berechnungen werden aufgezeigt und erste Ergebnisse diskutiert.
No Evidence of Elevated Germline Mutation Accumulation Under Oxidative Stress in Caenorhabditis elegans
Authors: Joyner-Matos Joanna , Bean Laura C , Richardson Heidi L , Sammeli Tammy , Baer Charles F 
Published: October 2011

Abstract
Variation in rates of molecular evolution has been attributed to numerous, interrelated causes, including metabolic rate, body size, and generation time. Speculation concerning the influence of metabolic rate on rates of evolution often invokes the putative mutagenic effects of oxidative stress. To isolate the effects of oxidative stress on the germline from the effects of metabolic rate, generation time, and other factors, we allowed mutations to accumulate under relaxed selection for 125 generations in two strains of the nematode Caenorhabditis elegans, the canonical wild-type strain (N2) and a mutant strain with elevated steady-state oxidative stress (mev-1). Contrary to our expectation, the mutational decline in fitness did not differ between N2 and mev-1. This result suggests that the mutagenic effects of oxidative stress in C. elegans are minor relative to the effects of other types of mutations, such as errors during DNA replication. However, mev-1 MA lines did go extinct more frequently than wild-type lines; some possible explanations for the difference in extinction rate are discussed.
Size and shape-controlled synthesis of silver nanoparticles for high-thermal conductivity nanofluids
Authors: Garcia Glorimar , Osorio-Cantillo Celia , Perales-Pérez Oscar 
Published: October 2011

ABSTRACTNanofluids, consisting of nanometric particles suspended in a base fluid, have become a new alternative for improving heat management technology. Silver, which is known to exhibit pretty high electrical and thermal conductivity among metals, has been selected for this research. At present, we are focused on the study of the size- and shape-controlled synthesis conditions of silver nanocrystals in polyol media. Control of crystal size and shape at the nanoscale were achieved by suitable selection of the synthesis conditions and the presence of habit-controlling agents like chloride ions. Silver nanostructures (faceted crystals, wires, rods) were remarkable monodisperse in size and their dimension could be controlled in the 30-50nm range (particles) and 24-127nm in thickness for rods or wires.
Presurgical Presentation of Columellar Features, Nostril Anatomy, and Alveolar Alignment in Bilateral Cleft Lip and Palate after Infant Orthopedics with and without Nasoalveolar Molding
Authors: Suri Sunjay , Disthaporn Suteeta , Atenafu Eshetu G. , Fisher David M. 
Published: October 2011

Objectives (1) To evaluate quantitative differences in presurgical presentations of alveolar alignment and nostril anatomy of infants with BCLP treated with nasoalveolar molding (NAM) from those treated with maxillary infant orthopedics only (I0) and (2) to detect interrelationships between presurgical nasoalveolar anatomy, age at lip surgery, age of commencing, and durations of alveolar and nasal molding. Methods A retrospective analysis was conducted on nasal-alveolar measurements and presurgical treatment records of infants with BCLP who received lip repair by a single surgeon in a tertiary-care, referral teaching hospital consecutively from 2000 to 2009 after undergoing NAM (n = 29; 51 nostrils) or IO (n = 17; 32 nostrils). Paired t tests analyzed nostril and alveolar symmetry in each group. Intergroup comparisons were made by linear mixed-model regression analyses. Pearson's correlation tests were conducted to detect significant interrelationships within groups. Results Significant between-group differences were noted in alveolar irregularity (NAM: 3.58 ± 1.02 mm; I0: 7.31 ± 1.28 mm; p < .01), columellar length (NAM: 2.88 ± 0.27 mm; I0: 1.48 ± 0.34 mm; p < .001), columellar width (NAM: 6.10 ± 0.21 mm; I0: 6.88 ± 0.26 mm; p < .01), columellar length/width ratio (NAM: 0.48 ± 0.05; I0: 0.20 ± 0.07; p < .05), and columellar angle (NAM: 0.98 ± 1.1°; IO: 3.69 ± 1.37°; p < .05). Differences in age of commencing presurgical orthopedics, lip surgery, and treatment durations were not significant. Better-aligned alveolar segments in the NAM group did not statistically correlate with nostril dimensions. Alveolar irregularity and nostril height in the IO group strongly correlated. Conclusions Infants who received NAM had longer columellae and better-aligned alveolar segments than those who received only IO. Other nostril dimensions were not significantly different.
Forcings constructed along morasses
Authors: Irrgang Bernhard 
Published: October 2011

AbstractWe further develop a previously introduced method of constructing forcing notions with the help of morasses. There are two new results: (1) If there is a simplified (ω1, 1)-morass, then there exists a ccc forcing of sizeω1that adds an ω2-Suslin tree. (2) If there is a simplified (ω1, 2)-morass, then there exists a ccc forcing of sizeω1that adds a 0-dimensional Hausdorff topologyτonω3which has spreads(τ) =ω1. While (2) is the main result of the paper, (1) is only an improvement of a previous result, which is based on a simple observation. Both forcings preserveGCH. To show that the method can be changed to produce models where CH fails, we give an alternative construction of Koszmider's model in which there is a chain 〈Xα∣α<ω2〉 such thatXα⊆ω1.Xβ–Xαis finite andXα–Xβhas sizeω1for allβ<α<ω2.
On the decidability of the real field with a generic power function
Authors: Jones Gareth , Servi Tamara 
Published: October 2011

AbstractWe show that the theory of the real field with a generic real power function is decidable, relative to an oracle for the rational cut of the exponent of the power function. We also show the existence of generic computable real numbers, hence providing an example of a decidable o-minimal proper expansion of the real field by an analytic function.
How Do Editors Select Papers, and How Good are They at Doing It?
Authors: Hofmeister Robert , Krapf Matthias 
Published: October 2011

Abstract
Using data on the B.E. Journals that rank articles into four quality tiers, this paper examines the accuracy of the research evaluation process in economics. We find that submissions by authors with strong publication records and authors affiliated with highly-ranked institutions are significantly more likely to be published in higher tiers. Citation success as measured by RePEc statistics also depends heavily on the overall research records of the authors. Finally and most importantly, we measure how successful the B.E. Journals’ editors and their reviewers have been at assigning articles to quality tiers. While, on average, they are able to distinguish more influential from less influential manuscripts, we also observe many assignments that are not compatible with the belief that research quality is reflected by the number of citations.
Outcome Differences across Transplant Centers
Authors: Zenios Stefanos , Atias Glenn , McCulloch Charles , Petrou Constantia 
Published: October 2011

Summary

Background and objectives
Reporting of standardized patient and graft survival rates by the Scientific Registry of Transplant Recipients (SRTR) aims to influence transplant centers to improve their performance. The methodology currently used is based on calculating observed-to-expected (OE) ratios for every center. Its accuracy has not been evaluated. Here, we compare the accuracy of standardized rates across centers with the OE method to an alternative generalized mixed-effect (ME) method. We also examine the association between public reporting and center outcome improvement.

Design, setting, participants, & measurements
Accuracy was measured as the root mean square error (RMSE) of the difference between standardized rates from one time period to standardized rates from a future time period. Data from the United States Renal Data System on all kidney transplants between January 1, 1996, and September 30, 2009 were analyzed.

Results
The ME method had a 0.5 to 4.5% smaller RMSE than the OE method. It also had a smaller range between the 5th and 95th percentile centers' standardized rates: 7.5% versus 10.5% for 3-year graft survival and 4.7% versus 7.9% for 3-year patient survival. The range did not change after the introduction of public reporting in 2001. In addition, 33% of all deaths and 29% of all graft failures in the 3 years after transplant could be attributed to differences across centers.

Conclusions
The ME method can improve the accuracy of public reports on center outcomes. An examination of the reasons why public reports have not reduced differences across centers is necessary.
Echocardiographic Parameters are Independently Associated with Rate of Renal Function Decline and Progression to Dialysis in Patients with Chronic Kidney Disease
Authors: Chen Szu-Chia , Su Ho-Ming , Hung Chi-Chih , Chang Jer-Ming , Liu Wan-Chun , Tsai Jer-Chia , Lin Ming-Yen , Hwang Shang-Jyh , Chen Hung-Chun 
Published: October 2011

Summary

Background and objectives
Cardiac abnormalities were frequently noted in patients with chronic kidney disease (CKD). This study is designed to assess whether echocardiographic parameters are associated with rate of renal function decline and progression to dialysis in CKD stage 3 to 5 patients.

Design, setting, participants, & measurements
This longitudinal study enrolled 415 patients. The renal end point was defined as commencement of dialysis. The change in renal function was measured by estimated GFR (eGFR) slope.

Results
Progression to dialysis was predicted by wide pulse pressure, low albumin, low hemoglobin, high calcium-phosphorous product, proteinuria, diuretics use, and concentric left ventricular hypertrophy (LVH) (hazard ratio, 2.03; 95% confidence interval [CI], 1.00 to 4.10; P = 0.05). The eGFR slope was negatively associated with total cholesterol, uric acid, proteinuria, diuretics use, and left atrial (LA) diameter (change in slope, −0.50; 95% CI, −0.89 to −0.11; P = 0.01) and positively associated with albumin and left ventricular ejection fraction (LVEF) (change in slope, 0.06; 95% CI, 0.03 to 0.08; P < 0.001).

Conclusions
Our study in patients of CKD stage 3 to 5 demonstrated that concentric LVH was associated with progression to dialysis, and that increased LA diameter and decreased LVEF were associated with faster renal function decline. Echocardiography may help identify high-risk groups with progressive decline in renal function to dialysis and rapid progression of renal dysfunction in CKD stage 3 to 5 patients.
Low temperature synthesis of cubic phase zinc sulfide quantum dots
Authors: Shahid Robina , Toprak Muhammet , Soliman Hesham , Muhammed Mamoun 
Published: October 2011

Abstract
In this study, we report on a new method for the synthesis of ZnS quantum dots (QDs). The synthesis was carried out at low temperature by a chemical reaction between zinc ions and freshly reduced sulfide ions in ethanol as reaction medium. Zinc chloride and elemental sulfur were used as zinc and sulfur sources, respectively and hydrazine hydrate was used as a strong reducing agent to convert elemental sulfur (S8) into highly reactive sulfide ions (S2−) which react spontaneously with zinc ions. This facile, less toxic, inexpensive route has a high yield for the synthesis of high quality metal sulfide QDs. Transmission electron microscopy (TEM) image analysis and selected area electron diffraction (SAED) reveal that ZnS QDs are less than 3 nm in diameter and are of cubic crystalline phase. The UV-Vis absorption spectrum shows an absorption peak at 253 nm corresponding to a band gap of 4.9 eV, which is high when compared to the bulk value of 3.68 eV revealing strong quantum confinement. PL emission transitions are observed at 314 nm and 439 nm and related to point defects in ZnS QDs.
The structural, elastic and thermodynamic properties of intermetallic compound CeGa2
Authors: Çiftci Yasemin , Çolakoǧlu Kemal , Çoban Cansu , Deligöz Engin 
Published: October 2011

Abstract
The structural, elastic and thermodynamic characteristics of CeGa2 compound in the AlB2 (space group: P6/mmm) and the omega trigonal (space group: P-3m1) type structures are investigated using the methods of density functional theory within the generalized gradient approximation (GGA). The thermodynamic properties of the considered structures are obtained through the quasi-harmonic Debye model. The results on the basic physical parameters, such as the lattice constant, the bulk modulus, the pressure derivative of bulk modulus, the phase-transition pressure (P
t) from P6/mmm to P-3m1 structure, the second-order elastic constants, Zener anisotropy factor, Poisson’s ratio, Young’s modulus, and the isotropic shear modulus are presented. In order to gain further information, the pressure and temperature-dependent behavior of the volume, the bulk modulus, the thermal expansion coefficient, the heat capacity, the entropy, Debye temperature and Grüneisen parameter are also evaluated over a pressure range of 0–6 GPa and a wide temperature range of 0–1800 K. The obtained results are in agreement with the available experimental and the other theoretical values.
Giant common bile duct stone
Authors: Han Hyung , Lee Jin , Song Tae 
Published: October 2011

Abstract
Bile duct stones, which obstruct the common bile duct, potentially result in complications, such as acute cholangitis and pancreatitis. We present a case involving a patient with normal liver function tests from whom we removed a giant common bile duct stone measuring 7.5 centimeters × 4.0 centimeters × 4.0 centimeters. Postoperatively recurrent common bile duct stones were observed and removed with an endoscopic maneuver in the three-year follow-up period. Recurrent bile duct stones are frequently reported in the case of large size of stones or multiple stones. Surgical treatment may then be considered as a first-line treatment in cases of recurrent common bile duct stones. When an endoscopic or surgical approach is used for the treatment of giant common bile duct stones, careful observation is of the utmost importance and treatment innovations may be necessary.
Scarab beetles (Coleoptera: Scarabaeidae) collected in Iranian rice fields and surrounding grasslands
Authors: Ghahari Hassan , Bunalski Marek , Tabari Mehrdad , Ostovan Hadi 
Published: October 2011

Scarab beetles (Coleoptera: Scarabaeidae) collected in Iranian rice fields and surrounding grasslands
Scarab beetles (Coleoptera: Scarabaeidae) comprise a group of species that are present in almost all agro-ecosystems. The fauna of these insects was studied in Iranian rice fields and surrounding grasslands from 2000 to 2005. A total of 18 species from 14 genera (Aphodius, Pleurophorus, Tropinota, Protaetia, Valgus, Amphimallon, Aplidia, Holochelus, Polyphylla, Chaetopteroplia, Asiopertha, Onthophagus, Scarabaeus, Paroniticellus) and 6 subfamilies (Aphodiinae, Cetoniinae, Melolonthinae, Rutelinae, Scarabaeinae, Coprinae) were collected. Of these, 9 species are new records for Iran.